./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cc21d3f2365aa3e9759266a2897b17abd63f704e2f2c46d2220f73d4b814d4db --- 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-2329fc7 [2022-12-14 04:57:24,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 04:57:24,491 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 04:57:24,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 04:57:24,510 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 04:57:24,511 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 04:57:24,512 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 04:57:24,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 04:57:24,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 04:57:24,516 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 04:57:24,517 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 04:57:24,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 04:57:24,518 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 04:57:24,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 04:57:24,520 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 04:57:24,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 04:57:24,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 04:57:24,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 04:57:24,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 04:57:24,526 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 04:57:24,527 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 04:57:24,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 04:57:24,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 04:57:24,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 04:57:24,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 04:57:24,533 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 04:57:24,533 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 04:57:24,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 04:57:24,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 04:57:24,534 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 04:57:24,534 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 04:57:24,535 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 04:57:24,535 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 04:57:24,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 04:57:24,536 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 04:57:24,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 04:57:24,537 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 04:57:24,537 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 04:57:24,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 04:57:24,538 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 04:57:24,538 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 04:57:24,539 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-12-14 04:57:24,553 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 04:57:24,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 04:57:24,553 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 04:57:24,553 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 04:57:24,554 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 04:57:24,554 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 04:57:24,554 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 04:57:24,554 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 04:57:24,554 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 04:57:24,554 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 04:57:24,554 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 04:57:24,555 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 04:57:24,555 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 04:57:24,555 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 04:57:24,555 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 04:57:24,555 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 04:57:24,555 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 04:57:24,555 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 04:57:24,556 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 04:57:24,556 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 04:57:24,556 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 04:57:24,556 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 04:57:24,556 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 04:57:24,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 04:57:24,557 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 04:57:24,557 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 04:57:24,557 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 04:57:24,557 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 04:57:24,557 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 04:57:24,557 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 04:57:24,557 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 04:57:24,557 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 04:57:24,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:57:24,558 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 04:57:24,558 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 04:57:24,558 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 04:57:24,558 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 04:57:24,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 04:57:24,558 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 04:57:24,558 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc21d3f2365aa3e9759266a2897b17abd63f704e2f2c46d2220f73d4b814d4db [2022-12-14 04:57:24,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 04:57:24,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 04:57:24,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 04:57:24,747 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 04:57:24,747 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 04:57:24,748 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i [2022-12-14 04:57:27,359 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 04:57:27,698 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 04:57:27,698 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i [2022-12-14 04:57:27,720 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/data/5073fd723/92ef5f002ebb4457a866d84bfa776744/FLAG9b0312e32 [2022-12-14 04:57:27,731 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/data/5073fd723/92ef5f002ebb4457a866d84bfa776744 [2022-12-14 04:57:27,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 04:57:27,734 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 04:57:27,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 04:57:27,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 04:57:27,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 04:57:27,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:57:27" (1/1) ... [2022-12-14 04:57:27,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ece143e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:27, skipping insertion in model container [2022-12-14 04:57:27,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:57:27" (1/1) ... [2022-12-14 04:57:27,749 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 04:57:27,876 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 04:57:28,558 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 04:57:28,584 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 04:57:28,822 WARN L623 FunctionHandler]: Unknown extern function virtio_check_driver_offered_feature [2022-12-14 04:57:28,930 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 04:57:28,933 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 04:57:28,936 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 04:57:28,937 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 04:57:28,938 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 04:57:28,939 WARN L623 FunctionHandler]: Unknown extern function virtqueue_add_sgs [2022-12-14 04:57:28,947 WARN L623 FunctionHandler]: Unknown extern function blk_mq_end_request [2022-12-14 04:57:28,953 WARN L623 FunctionHandler]: Unknown extern function virtqueue_disable_cb [2022-12-14 04:57:28,953 WARN L623 FunctionHandler]: Unknown extern function blk_mq_complete_request [2022-12-14 04:57:28,953 WARN L623 FunctionHandler]: Unknown extern function virtqueue_get_buf [2022-12-14 04:57:28,954 WARN L623 FunctionHandler]: Unknown extern function virtqueue_is_broken [2022-12-14 04:57:28,955 WARN L623 FunctionHandler]: Unknown extern function virtqueue_enable_cb [2022-12-14 04:57:28,956 WARN L623 FunctionHandler]: Unknown extern function blk_mq_start_stopped_hw_queues [2022-12-14 04:57:28,967 WARN L623 FunctionHandler]: Unknown extern function blk_mq_start_request [2022-12-14 04:57:28,968 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_sg [2022-12-14 04:57:28,971 WARN L623 FunctionHandler]: Unknown extern function virtqueue_kick [2022-12-14 04:57:28,971 WARN L623 FunctionHandler]: Unknown extern function blk_mq_stop_hw_queue [2022-12-14 04:57:28,972 WARN L623 FunctionHandler]: Unknown extern function virtqueue_kick_prepare [2022-12-14 04:57:28,974 WARN L623 FunctionHandler]: Unknown extern function virtqueue_notify [2022-12-14 04:57:28,979 WARN L623 FunctionHandler]: Unknown extern function bio_map_kern [2022-12-14 04:57:28,981 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-12-14 04:57:28,982 WARN L623 FunctionHandler]: Unknown extern function blk_execute_rq [2022-12-14 04:57:28,987 WARN L623 FunctionHandler]: Unknown extern function scsi_cmd_blk_ioctl [2022-12-14 04:57:29,012 WARN L569 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-12-14 04:57:29,012 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_322 [2022-12-14 04:57:29,021 WARN L569 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-12-14 04:57:29,023 WARN L623 FunctionHandler]: Unknown extern function string_get_size [2022-12-14 04:57:29,024 WARN L623 FunctionHandler]: Unknown extern function string_get_size [2022-12-14 04:57:29,024 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-12-14 04:57:29,025 WARN L623 FunctionHandler]: Unknown extern function revalidate_disk [2022-12-14 04:57:29,026 WARN L623 FunctionHandler]: Unknown extern function kobject_uevent_env [2022-12-14 04:57:29,041 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 04:57:29,043 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:57:29,043 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:57:29,043 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:57:29,044 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:57:29,063 WARN L623 FunctionHandler]: Unknown extern function blk_queue_flush [2022-12-14 04:57:29,063 WARN L623 FunctionHandler]: Unknown extern function blk_queue_flush [2022-12-14 04:57:29,064 WARN L623 FunctionHandler]: Unknown extern function revalidate_disk [2022-12-14 04:57:29,069 WARN L569 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-12-14 04:57:29,071 WARN L623 FunctionHandler]: Unknown extern function sysfs_streq [2022-12-14 04:57:29,076 WARN L569 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-12-14 04:57:29,084 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-12-14 04:57:29,089 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 04:57:29,090 WARN L623 FunctionHandler]: Unknown extern function ida_simple_get [2022-12-14 04:57:29,093 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 04:57:29,093 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 04:57:29,096 WARN L623 FunctionHandler]: Unknown extern function blk_mq_alloc_tag_set [2022-12-14 04:57:29,097 WARN L623 FunctionHandler]: Unknown extern function blk_mq_init_queue [2022-12-14 04:57:29,100 WARN L623 FunctionHandler]: Unknown extern function set_disk_ro [2022-12-14 04:57:29,101 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segments [2022-12-14 04:57:29,102 WARN L623 FunctionHandler]: Unknown extern function blk_queue_bounce_limit [2022-12-14 04:57:29,102 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_hw_sectors [2022-12-14 04:57:29,104 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-12-14 04:57:29,104 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-12-14 04:57:29,106 WARN L623 FunctionHandler]: Unknown extern function blk_queue_logical_block_size [2022-12-14 04:57:29,108 WARN L623 FunctionHandler]: Unknown extern function blk_queue_physical_block_size [2022-12-14 04:57:29,110 WARN L623 FunctionHandler]: Unknown extern function blk_queue_alignment_offset [2022-12-14 04:57:29,112 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_min [2022-12-14 04:57:29,115 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_opt [2022-12-14 04:57:29,115 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-14 04:57:29,116 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-14 04:57:29,117 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-14 04:57:29,117 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_tag_set [2022-12-14 04:57:29,118 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:57:29,119 WARN L623 FunctionHandler]: Unknown extern function ida_simple_remove [2022-12-14 04:57:29,124 WARN L623 FunctionHandler]: Unknown extern function flush_work [2022-12-14 04:57:29,125 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_tag_set [2022-12-14 04:57:29,126 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:57:29,127 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:57:29,127 WARN L623 FunctionHandler]: Unknown extern function ida_simple_remove [2022-12-14 04:57:29,132 WARN L623 FunctionHandler]: Unknown extern function flush_work [2022-12-14 04:57:29,132 WARN L623 FunctionHandler]: Unknown extern function blk_mq_stop_hw_queues [2022-12-14 04:57:29,138 WARN L623 FunctionHandler]: Unknown extern function blk_mq_start_stopped_hw_queues [2022-12-14 04:57:29,143 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-14 04:57:29,144 WARN L623 FunctionHandler]: Unknown extern function register_blkdev [2022-12-14 04:57:29,145 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-12-14 04:57:29,146 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 04:57:29,149 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-12-14 04:57:29,150 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 04:57:29,220 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 04:57:29,220 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 04:57:29,221 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 04:57:29,222 WARN L623 FunctionHandler]: Unknown extern function alloc_disk [2022-12-14 04:57:29,222 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-12-14 04:57:29,223 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-12-14 04:57:29,223 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-12-14 04:57:29,223 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-14 04:57:29,224 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-12-14 04:57:29,224 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-12-14 04:57:29,224 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-14 04:57:29,225 WARN L623 FunctionHandler]: Unknown extern function register_virtio_driver [2022-12-14 04:57:29,225 WARN L623 FunctionHandler]: Unknown extern function unregister_virtio_driver [2022-12-14 04:57:29,573 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 04:57:29,732 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:57:30,038 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[300556,300569] [2022-12-14 04:57:30,040 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[300701,300714] [2022-12-14 04:57:30,041 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[300847,300860] [2022-12-14 04:57:30,041 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301012,301025] [2022-12-14 04:57:30,041 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301170,301183] [2022-12-14 04:57:30,042 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301328,301341] [2022-12-14 04:57:30,042 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301486,301499] [2022-12-14 04:57:30,043 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301646,301659] [2022-12-14 04:57:30,043 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301805,301818] [2022-12-14 04:57:30,043 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301944,301957] [2022-12-14 04:57:30,044 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302086,302099] [2022-12-14 04:57:30,044 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302235,302248] [2022-12-14 04:57:30,044 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302374,302387] [2022-12-14 04:57:30,045 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302529,302542] [2022-12-14 04:57:30,045 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302689,302702] [2022-12-14 04:57:30,045 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302840,302853] [2022-12-14 04:57:30,046 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302991,303004] [2022-12-14 04:57:30,046 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303143,303156] [2022-12-14 04:57:30,047 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303292,303305] [2022-12-14 04:57:30,047 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303440,303453] [2022-12-14 04:57:30,048 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303597,303610] [2022-12-14 04:57:30,048 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303746,303759] [2022-12-14 04:57:30,048 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303902,303915] [2022-12-14 04:57:30,049 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304055,304068] [2022-12-14 04:57:30,049 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304201,304214] [2022-12-14 04:57:30,049 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304344,304357] [2022-12-14 04:57:30,050 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304496,304509] [2022-12-14 04:57:30,050 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304642,304655] [2022-12-14 04:57:30,051 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304787,304800] [2022-12-14 04:57:30,051 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304941,304954] [2022-12-14 04:57:30,051 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305092,305105] [2022-12-14 04:57:30,052 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305247,305260] [2022-12-14 04:57:30,052 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305399,305412] [2022-12-14 04:57:30,052 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305554,305567] [2022-12-14 04:57:30,053 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305718,305731] [2022-12-14 04:57:30,053 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305874,305887] [2022-12-14 04:57:30,053 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306038,306051] [2022-12-14 04:57:30,054 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306180,306193] [2022-12-14 04:57:30,054 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306338,306351] [2022-12-14 04:57:30,055 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306505,306518] [2022-12-14 04:57:30,055 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306664,306677] [2022-12-14 04:57:30,055 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306823,306836] [2022-12-14 04:57:30,056 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306972,306985] [2022-12-14 04:57:30,056 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307119,307132] [2022-12-14 04:57:30,056 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307258,307271] [2022-12-14 04:57:30,057 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307421,307434] [2022-12-14 04:57:30,057 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307587,307600] [2022-12-14 04:57:30,058 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307751,307764] [2022-12-14 04:57:30,058 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307916,307929] [2022-12-14 04:57:30,058 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308081,308094] [2022-12-14 04:57:30,059 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308247,308260] [2022-12-14 04:57:30,059 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308412,308425] [2022-12-14 04:57:30,059 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308579,308592] [2022-12-14 04:57:30,060 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308739,308752] [2022-12-14 04:57:30,060 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308901,308914] [2022-12-14 04:57:30,060 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309060,309073] [2022-12-14 04:57:30,061 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309206,309219] [2022-12-14 04:57:30,061 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309349,309362] [2022-12-14 04:57:30,062 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309493,309506] [2022-12-14 04:57:30,062 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309636,309649] [2022-12-14 04:57:30,062 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309780,309793] [2022-12-14 04:57:30,063 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309921,309934] [2022-12-14 04:57:30,063 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310059,310072] [2022-12-14 04:57:30,063 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310217,310230] [2022-12-14 04:57:30,064 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310376,310389] [2022-12-14 04:57:30,064 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310532,310545] [2022-12-14 04:57:30,064 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310681,310694] [2022-12-14 04:57:30,064 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310833,310846] [2022-12-14 04:57:30,065 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310984,310997] [2022-12-14 04:57:30,065 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311133,311146] [2022-12-14 04:57:30,065 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311285,311298] [2022-12-14 04:57:30,065 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311433,311446] [2022-12-14 04:57:30,066 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311586,311599] [2022-12-14 04:57:30,066 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311737,311750] [2022-12-14 04:57:30,066 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311887,311900] [2022-12-14 04:57:30,067 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312034,312047] [2022-12-14 04:57:30,067 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312185,312198] [2022-12-14 04:57:30,067 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312336,312349] [2022-12-14 04:57:30,067 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312484,312497] [2022-12-14 04:57:30,068 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312650,312663] [2022-12-14 04:57:30,068 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312819,312832] [2022-12-14 04:57:30,068 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312986,312999] [2022-12-14 04:57:30,068 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313154,313167] [2022-12-14 04:57:30,069 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313304,313317] [2022-12-14 04:57:30,069 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313451,313464] [2022-12-14 04:57:30,069 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313612,313625] [2022-12-14 04:57:30,070 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313782,313795] [2022-12-14 04:57:30,070 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313944,313957] [2022-12-14 04:57:30,078 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:57:30,100 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2022-12-14 04:57:30,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@74c5feb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:30, skipping insertion in model container [2022-12-14 04:57:30,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 04:57:30,101 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 04:57:30,102 INFO L158 Benchmark]: Toolchain (without parser) took 2367.56ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 83.6MB in the beginning and 90.1MB in the end (delta: -6.5MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2022-12-14 04:57:30,102 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 132.1MB. Free memory is still 101.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 04:57:30,103 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2365.85ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 83.2MB in the beginning and 90.1MB in the end (delta: -6.9MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2022-12-14 04:57:30,104 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 132.1MB. Free memory is still 101.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2365.85ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 83.2MB in the beginning and 90.1MB in the end (delta: -6.9MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 5175]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cc21d3f2365aa3e9759266a2897b17abd63f704e2f2c46d2220f73d4b814d4db --- 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-2329fc7 [2022-12-14 04:57:31,441 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 04:57:31,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 04:57:31,463 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 04:57:31,463 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 04:57:31,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 04:57:31,466 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 04:57:31,467 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 04:57:31,469 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 04:57:31,470 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 04:57:31,471 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 04:57:31,472 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 04:57:31,473 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 04:57:31,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 04:57:31,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 04:57:31,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 04:57:31,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 04:57:31,478 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 04:57:31,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 04:57:31,482 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 04:57:31,483 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 04:57:31,485 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 04:57:31,486 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 04:57:31,487 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 04:57:31,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 04:57:31,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 04:57:31,491 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 04:57:31,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 04:57:31,493 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 04:57:31,494 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 04:57:31,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 04:57:31,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 04:57:31,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 04:57:31,496 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 04:57:31,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 04:57:31,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 04:57:31,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 04:57:31,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 04:57:31,498 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 04:57:31,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 04:57:31,499 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 04:57:31,500 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-12-14 04:57:31,522 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 04:57:31,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 04:57:31,522 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 04:57:31,522 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 04:57:31,523 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 04:57:31,523 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 04:57:31,523 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 04:57:31,524 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 04:57:31,524 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 04:57:31,524 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 04:57:31,524 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 04:57:31,524 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 04:57:31,525 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 04:57:31,525 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 04:57:31,526 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 04:57:31,526 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 04:57:31,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 04:57:31,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 04:57:31,526 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 04:57:31,527 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 04:57:31,527 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 04:57:31,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 04:57:31,527 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 04:57:31,527 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 04:57:31,528 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 04:57:31,528 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 04:57:31,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 04:57:31,528 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 04:57:31,528 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 04:57:31,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:57:31,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 04:57:31,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 04:57:31,535 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 04:57:31,535 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 04:57:31,536 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 04:57:31,536 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 04:57:31,536 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc21d3f2365aa3e9759266a2897b17abd63f704e2f2c46d2220f73d4b814d4db [2022-12-14 04:57:31,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 04:57:31,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 04:57:31,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 04:57:31,750 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 04:57:31,751 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 04:57:31,752 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i [2022-12-14 04:57:34,301 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 04:57:34,711 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 04:57:34,711 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i [2022-12-14 04:57:34,741 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/data/646ade211/a070205d27294cf08d15a624d3478771/FLAGe86c118c7 [2022-12-14 04:57:34,753 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/data/646ade211/a070205d27294cf08d15a624d3478771 [2022-12-14 04:57:34,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 04:57:34,757 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 04:57:34,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 04:57:34,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 04:57:34,760 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 04:57:34,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:57:34" (1/1) ... [2022-12-14 04:57:34,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39cfbed0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:34, skipping insertion in model container [2022-12-14 04:57:34,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:57:34" (1/1) ... [2022-12-14 04:57:34,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 04:57:34,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 04:57:35,554 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 04:57:35,579 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 04:57:35,803 WARN L623 FunctionHandler]: Unknown extern function virtio_check_driver_offered_feature [2022-12-14 04:57:35,897 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 04:57:35,900 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 04:57:35,903 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 04:57:35,903 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 04:57:35,904 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 04:57:35,905 WARN L623 FunctionHandler]: Unknown extern function virtqueue_add_sgs [2022-12-14 04:57:35,911 WARN L623 FunctionHandler]: Unknown extern function blk_mq_end_request [2022-12-14 04:57:35,915 WARN L623 FunctionHandler]: Unknown extern function virtqueue_disable_cb [2022-12-14 04:57:35,916 WARN L623 FunctionHandler]: Unknown extern function blk_mq_complete_request [2022-12-14 04:57:35,916 WARN L623 FunctionHandler]: Unknown extern function virtqueue_get_buf [2022-12-14 04:57:35,917 WARN L623 FunctionHandler]: Unknown extern function virtqueue_is_broken [2022-12-14 04:57:35,917 WARN L623 FunctionHandler]: Unknown extern function virtqueue_enable_cb [2022-12-14 04:57:35,917 WARN L623 FunctionHandler]: Unknown extern function blk_mq_start_stopped_hw_queues [2022-12-14 04:57:35,926 WARN L623 FunctionHandler]: Unknown extern function blk_mq_start_request [2022-12-14 04:57:35,927 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_sg [2022-12-14 04:57:35,929 WARN L623 FunctionHandler]: Unknown extern function virtqueue_kick [2022-12-14 04:57:35,930 WARN L623 FunctionHandler]: Unknown extern function blk_mq_stop_hw_queue [2022-12-14 04:57:35,930 WARN L623 FunctionHandler]: Unknown extern function virtqueue_kick_prepare [2022-12-14 04:57:35,931 WARN L623 FunctionHandler]: Unknown extern function virtqueue_notify [2022-12-14 04:57:35,936 WARN L623 FunctionHandler]: Unknown extern function bio_map_kern [2022-12-14 04:57:35,937 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-12-14 04:57:35,938 WARN L623 FunctionHandler]: Unknown extern function blk_execute_rq [2022-12-14 04:57:35,942 WARN L623 FunctionHandler]: Unknown extern function scsi_cmd_blk_ioctl [2022-12-14 04:57:35,971 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_322 [2022-12-14 04:57:35,981 WARN L623 FunctionHandler]: Unknown extern function string_get_size [2022-12-14 04:57:35,982 WARN L623 FunctionHandler]: Unknown extern function string_get_size [2022-12-14 04:57:35,982 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-12-14 04:57:35,983 WARN L623 FunctionHandler]: Unknown extern function revalidate_disk [2022-12-14 04:57:35,983 WARN L623 FunctionHandler]: Unknown extern function kobject_uevent_env [2022-12-14 04:57:35,996 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 04:57:35,997 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:57:35,997 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:57:35,997 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:57:35,998 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:57:36,011 WARN L623 FunctionHandler]: Unknown extern function blk_queue_flush [2022-12-14 04:57:36,012 WARN L623 FunctionHandler]: Unknown extern function blk_queue_flush [2022-12-14 04:57:36,012 WARN L623 FunctionHandler]: Unknown extern function revalidate_disk [2022-12-14 04:57:36,017 WARN L623 FunctionHandler]: Unknown extern function sysfs_streq [2022-12-14 04:57:36,026 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-12-14 04:57:36,031 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 04:57:36,032 WARN L623 FunctionHandler]: Unknown extern function ida_simple_get [2022-12-14 04:57:36,034 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 04:57:36,034 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 04:57:36,037 WARN L623 FunctionHandler]: Unknown extern function blk_mq_alloc_tag_set [2022-12-14 04:57:36,037 WARN L623 FunctionHandler]: Unknown extern function blk_mq_init_queue [2022-12-14 04:57:36,039 WARN L623 FunctionHandler]: Unknown extern function set_disk_ro [2022-12-14 04:57:36,040 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segments [2022-12-14 04:57:36,040 WARN L623 FunctionHandler]: Unknown extern function blk_queue_bounce_limit [2022-12-14 04:57:36,040 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_hw_sectors [2022-12-14 04:57:36,042 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-12-14 04:57:36,042 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-12-14 04:57:36,043 WARN L623 FunctionHandler]: Unknown extern function blk_queue_logical_block_size [2022-12-14 04:57:36,045 WARN L623 FunctionHandler]: Unknown extern function blk_queue_physical_block_size [2022-12-14 04:57:36,046 WARN L623 FunctionHandler]: Unknown extern function blk_queue_alignment_offset [2022-12-14 04:57:36,047 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_min [2022-12-14 04:57:36,048 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_opt [2022-12-14 04:57:36,049 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-14 04:57:36,049 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-14 04:57:36,050 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-14 04:57:36,050 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_tag_set [2022-12-14 04:57:36,051 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:57:36,051 WARN L623 FunctionHandler]: Unknown extern function ida_simple_remove [2022-12-14 04:57:36,056 WARN L623 FunctionHandler]: Unknown extern function flush_work [2022-12-14 04:57:36,056 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_tag_set [2022-12-14 04:57:36,057 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:57:36,057 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:57:36,058 WARN L623 FunctionHandler]: Unknown extern function ida_simple_remove [2022-12-14 04:57:36,061 WARN L623 FunctionHandler]: Unknown extern function flush_work [2022-12-14 04:57:36,062 WARN L623 FunctionHandler]: Unknown extern function blk_mq_stop_hw_queues [2022-12-14 04:57:36,066 WARN L623 FunctionHandler]: Unknown extern function blk_mq_start_stopped_hw_queues [2022-12-14 04:57:36,070 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-14 04:57:36,071 WARN L623 FunctionHandler]: Unknown extern function register_blkdev [2022-12-14 04:57:36,072 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-12-14 04:57:36,072 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 04:57:36,076 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-12-14 04:57:36,076 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 04:57:36,153 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 04:57:36,154 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 04:57:36,154 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 04:57:36,155 WARN L623 FunctionHandler]: Unknown extern function alloc_disk [2022-12-14 04:57:36,155 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-12-14 04:57:36,156 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-12-14 04:57:36,156 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-12-14 04:57:36,156 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-14 04:57:36,156 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-12-14 04:57:36,157 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-12-14 04:57:36,157 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-14 04:57:36,157 WARN L623 FunctionHandler]: Unknown extern function register_virtio_driver [2022-12-14 04:57:36,158 WARN L623 FunctionHandler]: Unknown extern function unregister_virtio_driver [2022-12-14 04:57:36,494 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 04:57:36,642 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:57:36,982 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[300556,300569] [2022-12-14 04:57:36,984 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[300701,300714] [2022-12-14 04:57:36,984 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[300847,300860] [2022-12-14 04:57:36,985 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301012,301025] [2022-12-14 04:57:36,985 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301170,301183] [2022-12-14 04:57:36,985 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301328,301341] [2022-12-14 04:57:36,986 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301486,301499] [2022-12-14 04:57:36,986 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301646,301659] [2022-12-14 04:57:36,986 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301805,301818] [2022-12-14 04:57:36,987 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301944,301957] [2022-12-14 04:57:36,987 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302086,302099] [2022-12-14 04:57:36,987 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302235,302248] [2022-12-14 04:57:36,988 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302374,302387] [2022-12-14 04:57:36,988 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302529,302542] [2022-12-14 04:57:36,988 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302689,302702] [2022-12-14 04:57:36,989 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302840,302853] [2022-12-14 04:57:36,989 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302991,303004] [2022-12-14 04:57:36,989 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303143,303156] [2022-12-14 04:57:36,990 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303292,303305] [2022-12-14 04:57:36,990 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303440,303453] [2022-12-14 04:57:36,990 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303597,303610] [2022-12-14 04:57:36,991 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303746,303759] [2022-12-14 04:57:36,991 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303902,303915] [2022-12-14 04:57:36,991 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304055,304068] [2022-12-14 04:57:36,991 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304201,304214] [2022-12-14 04:57:36,992 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304344,304357] [2022-12-14 04:57:36,992 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304496,304509] [2022-12-14 04:57:36,992 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304642,304655] [2022-12-14 04:57:36,993 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304787,304800] [2022-12-14 04:57:36,993 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304941,304954] [2022-12-14 04:57:36,993 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305092,305105] [2022-12-14 04:57:36,994 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305247,305260] [2022-12-14 04:57:36,994 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305399,305412] [2022-12-14 04:57:36,994 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305554,305567] [2022-12-14 04:57:36,995 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305718,305731] [2022-12-14 04:57:36,995 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305874,305887] [2022-12-14 04:57:36,995 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306038,306051] [2022-12-14 04:57:36,996 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306180,306193] [2022-12-14 04:57:36,996 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306338,306351] [2022-12-14 04:57:36,996 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306505,306518] [2022-12-14 04:57:36,997 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306664,306677] [2022-12-14 04:57:36,997 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306823,306836] [2022-12-14 04:57:36,997 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306972,306985] [2022-12-14 04:57:36,998 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307119,307132] [2022-12-14 04:57:36,998 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307258,307271] [2022-12-14 04:57:36,999 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307421,307434] [2022-12-14 04:57:36,999 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307587,307600] [2022-12-14 04:57:36,999 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307751,307764] [2022-12-14 04:57:36,999 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307916,307929] [2022-12-14 04:57:37,000 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308081,308094] [2022-12-14 04:57:37,000 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308247,308260] [2022-12-14 04:57:37,000 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308412,308425] [2022-12-14 04:57:37,001 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308579,308592] [2022-12-14 04:57:37,001 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308739,308752] [2022-12-14 04:57:37,001 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308901,308914] [2022-12-14 04:57:37,001 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309060,309073] [2022-12-14 04:57:37,002 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309206,309219] [2022-12-14 04:57:37,002 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309349,309362] [2022-12-14 04:57:37,002 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309493,309506] [2022-12-14 04:57:37,003 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309636,309649] [2022-12-14 04:57:37,003 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309780,309793] [2022-12-14 04:57:37,003 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309921,309934] [2022-12-14 04:57:37,004 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310059,310072] [2022-12-14 04:57:37,004 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310217,310230] [2022-12-14 04:57:37,005 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310376,310389] [2022-12-14 04:57:37,005 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310532,310545] [2022-12-14 04:57:37,005 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310681,310694] [2022-12-14 04:57:37,005 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310833,310846] [2022-12-14 04:57:37,006 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310984,310997] [2022-12-14 04:57:37,006 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311133,311146] [2022-12-14 04:57:37,006 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311285,311298] [2022-12-14 04:57:37,007 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311433,311446] [2022-12-14 04:57:37,007 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311586,311599] [2022-12-14 04:57:37,007 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311737,311750] [2022-12-14 04:57:37,008 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311887,311900] [2022-12-14 04:57:37,008 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312034,312047] [2022-12-14 04:57:37,008 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312185,312198] [2022-12-14 04:57:37,008 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312336,312349] [2022-12-14 04:57:37,009 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312484,312497] [2022-12-14 04:57:37,009 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312650,312663] [2022-12-14 04:57:37,009 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312819,312832] [2022-12-14 04:57:37,009 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312986,312999] [2022-12-14 04:57:37,010 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313154,313167] [2022-12-14 04:57:37,010 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313304,313317] [2022-12-14 04:57:37,010 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313451,313464] [2022-12-14 04:57:37,011 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313612,313625] [2022-12-14 04:57:37,011 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313782,313795] [2022-12-14 04:57:37,011 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313944,313957] [2022-12-14 04:57:37,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:57:37,051 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-14 04:57:37,093 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 04:57:37,187 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 04:57:37,187 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 04:57:37,192 WARN L623 FunctionHandler]: Unknown extern function virtio_check_driver_offered_feature [2022-12-14 04:57:37,202 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 04:57:37,202 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 04:57:37,204 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 04:57:37,204 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 04:57:37,205 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 04:57:37,205 WARN L623 FunctionHandler]: Unknown extern function virtqueue_add_sgs [2022-12-14 04:57:37,207 WARN L623 FunctionHandler]: Unknown extern function blk_mq_end_request [2022-12-14 04:57:37,208 WARN L623 FunctionHandler]: Unknown extern function virtqueue_disable_cb [2022-12-14 04:57:37,209 WARN L623 FunctionHandler]: Unknown extern function blk_mq_complete_request [2022-12-14 04:57:37,209 WARN L623 FunctionHandler]: Unknown extern function virtqueue_get_buf [2022-12-14 04:57:37,210 WARN L623 FunctionHandler]: Unknown extern function virtqueue_is_broken [2022-12-14 04:57:37,210 WARN L623 FunctionHandler]: Unknown extern function virtqueue_enable_cb [2022-12-14 04:57:37,210 WARN L623 FunctionHandler]: Unknown extern function blk_mq_start_stopped_hw_queues [2022-12-14 04:57:37,214 WARN L623 FunctionHandler]: Unknown extern function blk_mq_start_request [2022-12-14 04:57:37,214 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_sg [2022-12-14 04:57:37,216 WARN L623 FunctionHandler]: Unknown extern function virtqueue_kick [2022-12-14 04:57:37,216 WARN L623 FunctionHandler]: Unknown extern function blk_mq_stop_hw_queue [2022-12-14 04:57:37,217 WARN L623 FunctionHandler]: Unknown extern function virtqueue_kick_prepare [2022-12-14 04:57:37,218 WARN L623 FunctionHandler]: Unknown extern function virtqueue_notify [2022-12-14 04:57:37,219 WARN L623 FunctionHandler]: Unknown extern function bio_map_kern [2022-12-14 04:57:37,220 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-12-14 04:57:37,220 WARN L623 FunctionHandler]: Unknown extern function blk_execute_rq [2022-12-14 04:57:37,221 WARN L623 FunctionHandler]: Unknown extern function scsi_cmd_blk_ioctl [2022-12-14 04:57:37,226 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_322 [2022-12-14 04:57:37,229 WARN L623 FunctionHandler]: Unknown extern function string_get_size [2022-12-14 04:57:37,229 WARN L623 FunctionHandler]: Unknown extern function string_get_size [2022-12-14 04:57:37,230 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-12-14 04:57:37,230 WARN L623 FunctionHandler]: Unknown extern function revalidate_disk [2022-12-14 04:57:37,230 WARN L623 FunctionHandler]: Unknown extern function kobject_uevent_env [2022-12-14 04:57:37,234 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 04:57:37,235 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:57:37,235 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:57:37,235 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:57:37,235 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:57:37,238 WARN L623 FunctionHandler]: Unknown extern function blk_queue_flush [2022-12-14 04:57:37,238 WARN L623 FunctionHandler]: Unknown extern function blk_queue_flush [2022-12-14 04:57:37,239 WARN L623 FunctionHandler]: Unknown extern function revalidate_disk [2022-12-14 04:57:37,240 WARN L623 FunctionHandler]: Unknown extern function sysfs_streq [2022-12-14 04:57:37,242 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-12-14 04:57:37,243 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 04:57:37,243 WARN L623 FunctionHandler]: Unknown extern function ida_simple_get [2022-12-14 04:57:37,245 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 04:57:37,245 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 04:57:37,246 WARN L623 FunctionHandler]: Unknown extern function blk_mq_alloc_tag_set [2022-12-14 04:57:37,246 WARN L623 FunctionHandler]: Unknown extern function blk_mq_init_queue [2022-12-14 04:57:37,247 WARN L623 FunctionHandler]: Unknown extern function set_disk_ro [2022-12-14 04:57:37,248 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segments [2022-12-14 04:57:37,248 WARN L623 FunctionHandler]: Unknown extern function blk_queue_bounce_limit [2022-12-14 04:57:37,248 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_hw_sectors [2022-12-14 04:57:37,249 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-12-14 04:57:37,249 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-12-14 04:57:37,259 WARN L623 FunctionHandler]: Unknown extern function blk_queue_logical_block_size [2022-12-14 04:57:37,260 WARN L623 FunctionHandler]: Unknown extern function blk_queue_physical_block_size [2022-12-14 04:57:37,261 WARN L623 FunctionHandler]: Unknown extern function blk_queue_alignment_offset [2022-12-14 04:57:37,263 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_min [2022-12-14 04:57:37,264 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_opt [2022-12-14 04:57:37,264 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-14 04:57:37,265 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-14 04:57:37,265 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-14 04:57:37,266 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_tag_set [2022-12-14 04:57:37,266 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:57:37,267 WARN L623 FunctionHandler]: Unknown extern function ida_simple_remove [2022-12-14 04:57:37,268 WARN L623 FunctionHandler]: Unknown extern function flush_work [2022-12-14 04:57:37,268 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_tag_set [2022-12-14 04:57:37,269 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:57:37,269 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:57:37,270 WARN L623 FunctionHandler]: Unknown extern function ida_simple_remove [2022-12-14 04:57:37,271 WARN L623 FunctionHandler]: Unknown extern function flush_work [2022-12-14 04:57:37,271 WARN L623 FunctionHandler]: Unknown extern function blk_mq_stop_hw_queues [2022-12-14 04:57:37,272 WARN L623 FunctionHandler]: Unknown extern function blk_mq_start_stopped_hw_queues [2022-12-14 04:57:37,273 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-14 04:57:37,274 WARN L623 FunctionHandler]: Unknown extern function register_blkdev [2022-12-14 04:57:37,275 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-12-14 04:57:37,275 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 04:57:37,276 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-12-14 04:57:37,276 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 04:57:37,285 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 04:57:37,285 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 04:57:37,285 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 04:57:37,286 WARN L623 FunctionHandler]: Unknown extern function alloc_disk [2022-12-14 04:57:37,286 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-12-14 04:57:37,287 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-12-14 04:57:37,287 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-12-14 04:57:37,287 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-14 04:57:37,287 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-12-14 04:57:37,288 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-12-14 04:57:37,288 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-14 04:57:37,288 WARN L623 FunctionHandler]: Unknown extern function register_virtio_driver [2022-12-14 04:57:37,289 WARN L623 FunctionHandler]: Unknown extern function unregister_virtio_driver [2022-12-14 04:57:37,311 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 04:57:37,319 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:57:37,338 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[300556,300569] [2022-12-14 04:57:37,339 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[300701,300714] [2022-12-14 04:57:37,339 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[300847,300860] [2022-12-14 04:57:37,339 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301012,301025] [2022-12-14 04:57:37,340 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301170,301183] [2022-12-14 04:57:37,340 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301328,301341] [2022-12-14 04:57:37,340 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301486,301499] [2022-12-14 04:57:37,341 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301646,301659] [2022-12-14 04:57:37,341 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301805,301818] [2022-12-14 04:57:37,341 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301944,301957] [2022-12-14 04:57:37,342 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302086,302099] [2022-12-14 04:57:37,342 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302235,302248] [2022-12-14 04:57:37,342 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302374,302387] [2022-12-14 04:57:37,343 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302529,302542] [2022-12-14 04:57:37,343 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302689,302702] [2022-12-14 04:57:37,343 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302840,302853] [2022-12-14 04:57:37,344 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302991,303004] [2022-12-14 04:57:37,344 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303143,303156] [2022-12-14 04:57:37,344 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303292,303305] [2022-12-14 04:57:37,345 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303440,303453] [2022-12-14 04:57:37,345 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303597,303610] [2022-12-14 04:57:37,351 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303746,303759] [2022-12-14 04:57:37,352 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303902,303915] [2022-12-14 04:57:37,352 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304055,304068] [2022-12-14 04:57:37,352 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304201,304214] [2022-12-14 04:57:37,352 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304344,304357] [2022-12-14 04:57:37,353 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304496,304509] [2022-12-14 04:57:37,353 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304642,304655] [2022-12-14 04:57:37,354 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304787,304800] [2022-12-14 04:57:37,354 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304941,304954] [2022-12-14 04:57:37,354 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305092,305105] [2022-12-14 04:57:37,354 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305247,305260] [2022-12-14 04:57:37,355 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305399,305412] [2022-12-14 04:57:37,355 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305554,305567] [2022-12-14 04:57:37,355 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305718,305731] [2022-12-14 04:57:37,355 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305874,305887] [2022-12-14 04:57:37,356 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306038,306051] [2022-12-14 04:57:37,356 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306180,306193] [2022-12-14 04:57:37,356 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306338,306351] [2022-12-14 04:57:37,357 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306505,306518] [2022-12-14 04:57:37,357 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306664,306677] [2022-12-14 04:57:37,357 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306823,306836] [2022-12-14 04:57:37,358 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306972,306985] [2022-12-14 04:57:37,358 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307119,307132] [2022-12-14 04:57:37,358 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307258,307271] [2022-12-14 04:57:37,359 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307421,307434] [2022-12-14 04:57:37,359 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307587,307600] [2022-12-14 04:57:37,364 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307751,307764] [2022-12-14 04:57:37,365 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307916,307929] [2022-12-14 04:57:37,365 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308081,308094] [2022-12-14 04:57:37,365 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308247,308260] [2022-12-14 04:57:37,365 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308412,308425] [2022-12-14 04:57:37,365 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308579,308592] [2022-12-14 04:57:37,366 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308739,308752] [2022-12-14 04:57:37,366 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308901,308914] [2022-12-14 04:57:37,366 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309060,309073] [2022-12-14 04:57:37,366 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309206,309219] [2022-12-14 04:57:37,367 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309349,309362] [2022-12-14 04:57:37,367 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309493,309506] [2022-12-14 04:57:37,367 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309636,309649] [2022-12-14 04:57:37,368 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309780,309793] [2022-12-14 04:57:37,368 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309921,309934] [2022-12-14 04:57:37,368 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310059,310072] [2022-12-14 04:57:37,368 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310217,310230] [2022-12-14 04:57:37,368 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310376,310389] [2022-12-14 04:57:37,369 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310532,310545] [2022-12-14 04:57:37,369 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310681,310694] [2022-12-14 04:57:37,369 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310833,310846] [2022-12-14 04:57:37,369 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310984,310997] [2022-12-14 04:57:37,369 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311133,311146] [2022-12-14 04:57:37,370 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311285,311298] [2022-12-14 04:57:37,370 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311433,311446] [2022-12-14 04:57:37,370 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311586,311599] [2022-12-14 04:57:37,370 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311737,311750] [2022-12-14 04:57:37,371 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311887,311900] [2022-12-14 04:57:37,371 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312034,312047] [2022-12-14 04:57:37,371 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312185,312198] [2022-12-14 04:57:37,371 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312336,312349] [2022-12-14 04:57:37,372 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312484,312497] [2022-12-14 04:57:37,372 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312650,312663] [2022-12-14 04:57:37,373 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312819,312832] [2022-12-14 04:57:37,373 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312986,312999] [2022-12-14 04:57:37,373 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313154,313167] [2022-12-14 04:57:37,373 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313304,313317] [2022-12-14 04:57:37,374 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313451,313464] [2022-12-14 04:57:37,374 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313612,313625] [2022-12-14 04:57:37,374 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313782,313795] [2022-12-14 04:57:37,374 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313944,313957] [2022-12-14 04:57:37,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:57:37,394 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 04:57:37,468 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 04:57:37,468 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 04:57:37,472 WARN L623 FunctionHandler]: Unknown extern function virtio_check_driver_offered_feature [2022-12-14 04:57:37,486 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 04:57:37,488 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 04:57:37,490 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 04:57:37,490 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 04:57:37,490 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 04:57:37,491 WARN L623 FunctionHandler]: Unknown extern function virtqueue_add_sgs [2022-12-14 04:57:37,493 WARN L623 FunctionHandler]: Unknown extern function blk_mq_end_request [2022-12-14 04:57:37,494 WARN L623 FunctionHandler]: Unknown extern function virtqueue_disable_cb [2022-12-14 04:57:37,494 WARN L623 FunctionHandler]: Unknown extern function blk_mq_complete_request [2022-12-14 04:57:37,494 WARN L623 FunctionHandler]: Unknown extern function virtqueue_get_buf [2022-12-14 04:57:37,495 WARN L623 FunctionHandler]: Unknown extern function virtqueue_is_broken [2022-12-14 04:57:37,495 WARN L623 FunctionHandler]: Unknown extern function virtqueue_enable_cb [2022-12-14 04:57:37,495 WARN L623 FunctionHandler]: Unknown extern function blk_mq_start_stopped_hw_queues [2022-12-14 04:57:37,499 WARN L623 FunctionHandler]: Unknown extern function blk_mq_start_request [2022-12-14 04:57:37,499 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_sg [2022-12-14 04:57:37,500 WARN L623 FunctionHandler]: Unknown extern function virtqueue_kick [2022-12-14 04:57:37,501 WARN L623 FunctionHandler]: Unknown extern function blk_mq_stop_hw_queue [2022-12-14 04:57:37,501 WARN L623 FunctionHandler]: Unknown extern function virtqueue_kick_prepare [2022-12-14 04:57:37,508 WARN L623 FunctionHandler]: Unknown extern function virtqueue_notify [2022-12-14 04:57:37,509 WARN L623 FunctionHandler]: Unknown extern function bio_map_kern [2022-12-14 04:57:37,512 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-12-14 04:57:37,512 WARN L623 FunctionHandler]: Unknown extern function blk_execute_rq [2022-12-14 04:57:37,515 WARN L623 FunctionHandler]: Unknown extern function scsi_cmd_blk_ioctl [2022-12-14 04:57:37,519 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_322 [2022-12-14 04:57:37,522 WARN L623 FunctionHandler]: Unknown extern function string_get_size [2022-12-14 04:57:37,522 WARN L623 FunctionHandler]: Unknown extern function string_get_size [2022-12-14 04:57:37,523 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-12-14 04:57:37,523 WARN L623 FunctionHandler]: Unknown extern function revalidate_disk [2022-12-14 04:57:37,523 WARN L623 FunctionHandler]: Unknown extern function kobject_uevent_env [2022-12-14 04:57:37,526 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 04:57:37,527 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:57:37,527 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:57:37,527 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:57:37,528 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:57:37,532 WARN L623 FunctionHandler]: Unknown extern function blk_queue_flush [2022-12-14 04:57:37,533 WARN L623 FunctionHandler]: Unknown extern function blk_queue_flush [2022-12-14 04:57:37,534 WARN L623 FunctionHandler]: Unknown extern function revalidate_disk [2022-12-14 04:57:37,535 WARN L623 FunctionHandler]: Unknown extern function sysfs_streq [2022-12-14 04:57:37,537 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-12-14 04:57:37,539 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 04:57:37,539 WARN L623 FunctionHandler]: Unknown extern function ida_simple_get [2022-12-14 04:57:37,540 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 04:57:37,541 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 04:57:37,543 WARN L623 FunctionHandler]: Unknown extern function blk_mq_alloc_tag_set [2022-12-14 04:57:37,544 WARN L623 FunctionHandler]: Unknown extern function blk_mq_init_queue [2022-12-14 04:57:37,547 WARN L623 FunctionHandler]: Unknown extern function set_disk_ro [2022-12-14 04:57:37,548 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segments [2022-12-14 04:57:37,548 WARN L623 FunctionHandler]: Unknown extern function blk_queue_bounce_limit [2022-12-14 04:57:37,548 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_hw_sectors [2022-12-14 04:57:37,549 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-12-14 04:57:37,549 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-12-14 04:57:37,550 WARN L623 FunctionHandler]: Unknown extern function blk_queue_logical_block_size [2022-12-14 04:57:37,551 WARN L623 FunctionHandler]: Unknown extern function blk_queue_physical_block_size [2022-12-14 04:57:37,551 WARN L623 FunctionHandler]: Unknown extern function blk_queue_alignment_offset [2022-12-14 04:57:37,552 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_min [2022-12-14 04:57:37,553 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_opt [2022-12-14 04:57:37,553 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-14 04:57:37,569 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-14 04:57:37,570 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-14 04:57:37,573 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_tag_set [2022-12-14 04:57:37,575 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:57:37,575 WARN L623 FunctionHandler]: Unknown extern function ida_simple_remove [2022-12-14 04:57:37,577 WARN L623 FunctionHandler]: Unknown extern function flush_work [2022-12-14 04:57:37,580 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_tag_set [2022-12-14 04:57:37,584 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:57:37,584 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:57:37,584 WARN L623 FunctionHandler]: Unknown extern function ida_simple_remove [2022-12-14 04:57:37,587 WARN L623 FunctionHandler]: Unknown extern function flush_work [2022-12-14 04:57:37,587 WARN L623 FunctionHandler]: Unknown extern function blk_mq_stop_hw_queues [2022-12-14 04:57:37,592 WARN L623 FunctionHandler]: Unknown extern function blk_mq_start_stopped_hw_queues [2022-12-14 04:57:37,596 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-14 04:57:37,597 WARN L623 FunctionHandler]: Unknown extern function register_blkdev [2022-12-14 04:57:37,598 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-12-14 04:57:37,598 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 04:57:37,599 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-12-14 04:57:37,599 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 04:57:37,609 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 04:57:37,609 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 04:57:37,610 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 04:57:37,610 WARN L623 FunctionHandler]: Unknown extern function alloc_disk [2022-12-14 04:57:37,610 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-12-14 04:57:37,611 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-12-14 04:57:37,611 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-12-14 04:57:37,611 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-14 04:57:37,611 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-12-14 04:57:37,612 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-12-14 04:57:37,612 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-14 04:57:37,612 WARN L623 FunctionHandler]: Unknown extern function register_virtio_driver [2022-12-14 04:57:37,613 WARN L623 FunctionHandler]: Unknown extern function unregister_virtio_driver [2022-12-14 04:57:37,638 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 04:57:37,646 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:57:37,668 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[300556,300569] [2022-12-14 04:57:37,669 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[300701,300714] [2022-12-14 04:57:37,669 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[300847,300860] [2022-12-14 04:57:37,669 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301012,301025] [2022-12-14 04:57:37,670 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301170,301183] [2022-12-14 04:57:37,670 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301328,301341] [2022-12-14 04:57:37,670 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301486,301499] [2022-12-14 04:57:37,671 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301646,301659] [2022-12-14 04:57:37,671 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301805,301818] [2022-12-14 04:57:37,671 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301944,301957] [2022-12-14 04:57:37,671 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302086,302099] [2022-12-14 04:57:37,672 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302235,302248] [2022-12-14 04:57:37,672 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302374,302387] [2022-12-14 04:57:37,672 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302529,302542] [2022-12-14 04:57:37,672 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302689,302702] [2022-12-14 04:57:37,673 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302840,302853] [2022-12-14 04:57:37,673 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302991,303004] [2022-12-14 04:57:37,673 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303143,303156] [2022-12-14 04:57:37,673 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303292,303305] [2022-12-14 04:57:37,674 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303440,303453] [2022-12-14 04:57:37,674 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303597,303610] [2022-12-14 04:57:37,674 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303746,303759] [2022-12-14 04:57:37,675 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303902,303915] [2022-12-14 04:57:37,675 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304055,304068] [2022-12-14 04:57:37,675 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304201,304214] [2022-12-14 04:57:37,675 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304344,304357] [2022-12-14 04:57:37,676 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304496,304509] [2022-12-14 04:57:37,676 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304642,304655] [2022-12-14 04:57:37,676 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304787,304800] [2022-12-14 04:57:37,676 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304941,304954] [2022-12-14 04:57:37,677 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305092,305105] [2022-12-14 04:57:37,677 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305247,305260] [2022-12-14 04:57:37,677 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305399,305412] [2022-12-14 04:57:37,678 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305554,305567] [2022-12-14 04:57:37,678 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305718,305731] [2022-12-14 04:57:37,678 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305874,305887] [2022-12-14 04:57:37,678 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306038,306051] [2022-12-14 04:57:37,679 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306180,306193] [2022-12-14 04:57:37,679 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306338,306351] [2022-12-14 04:57:37,679 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306505,306518] [2022-12-14 04:57:37,680 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306664,306677] [2022-12-14 04:57:37,680 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306823,306836] [2022-12-14 04:57:37,680 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306972,306985] [2022-12-14 04:57:37,680 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307119,307132] [2022-12-14 04:57:37,681 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307258,307271] [2022-12-14 04:57:37,681 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307421,307434] [2022-12-14 04:57:37,681 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307587,307600] [2022-12-14 04:57:37,681 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307751,307764] [2022-12-14 04:57:37,682 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307916,307929] [2022-12-14 04:57:37,682 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308081,308094] [2022-12-14 04:57:37,682 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308247,308260] [2022-12-14 04:57:37,682 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308412,308425] [2022-12-14 04:57:37,683 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308579,308592] [2022-12-14 04:57:37,683 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308739,308752] [2022-12-14 04:57:37,683 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308901,308914] [2022-12-14 04:57:37,683 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309060,309073] [2022-12-14 04:57:37,684 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309206,309219] [2022-12-14 04:57:37,684 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309349,309362] [2022-12-14 04:57:37,684 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309493,309506] [2022-12-14 04:57:37,685 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309636,309649] [2022-12-14 04:57:37,685 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309780,309793] [2022-12-14 04:57:37,685 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309921,309934] [2022-12-14 04:57:37,685 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310059,310072] [2022-12-14 04:57:37,686 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310217,310230] [2022-12-14 04:57:37,686 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310376,310389] [2022-12-14 04:57:37,686 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310532,310545] [2022-12-14 04:57:37,686 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310681,310694] [2022-12-14 04:57:37,687 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310833,310846] [2022-12-14 04:57:37,687 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310984,310997] [2022-12-14 04:57:37,687 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311133,311146] [2022-12-14 04:57:37,687 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311285,311298] [2022-12-14 04:57:37,688 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311433,311446] [2022-12-14 04:57:37,688 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311586,311599] [2022-12-14 04:57:37,688 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311737,311750] [2022-12-14 04:57:37,688 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311887,311900] [2022-12-14 04:57:37,689 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312034,312047] [2022-12-14 04:57:37,689 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312185,312198] [2022-12-14 04:57:37,689 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312336,312349] [2022-12-14 04:57:37,690 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312484,312497] [2022-12-14 04:57:37,690 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312650,312663] [2022-12-14 04:57:37,690 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312819,312832] [2022-12-14 04:57:37,690 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312986,312999] [2022-12-14 04:57:37,691 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313154,313167] [2022-12-14 04:57:37,691 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313304,313317] [2022-12-14 04:57:37,691 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313451,313464] [2022-12-14 04:57:37,691 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313612,313625] [2022-12-14 04:57:37,692 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313782,313795] [2022-12-14 04:57:37,692 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_881c513e-d6b5-472b-8872-7c3cb79f06e3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313944,313957] [2022-12-14 04:57:37,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:57:37,822 INFO L208 MainTranslator]: Completed translation [2022-12-14 04:57:37,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:37 WrapperNode [2022-12-14 04:57:37,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 04:57:37,824 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 04:57:37,824 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 04:57:37,824 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 04:57:37,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:37" (1/1) ... [2022-12-14 04:57:37,868 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:37" (1/1) ... [2022-12-14 04:57:37,956 INFO L138 Inliner]: procedures = 569, calls = 1454, calls flagged for inlining = 247, calls inlined = 157, statements flattened = 3140 [2022-12-14 04:57:37,956 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 04:57:37,957 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 04:57:37,957 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 04:57:37,957 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 04:57:37,969 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:37" (1/1) ... [2022-12-14 04:57:37,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:37" (1/1) ... [2022-12-14 04:57:37,981 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:37" (1/1) ... [2022-12-14 04:57:37,981 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:37" (1/1) ... [2022-12-14 04:57:38,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:37" (1/1) ... [2022-12-14 04:57:38,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:37" (1/1) ... [2022-12-14 04:57:38,042 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:37" (1/1) ... [2022-12-14 04:57:38,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:37" (1/1) ... [2022-12-14 04:57:38,064 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 04:57:38,065 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 04:57:38,065 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 04:57:38,065 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 04:57:38,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:37" (1/1) ... [2022-12-14 04:57:38,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:57:38,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:57:38,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 04:57:38,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 04:57:38,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2022-12-14 04:57:38,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2022-12-14 04:57:38,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-12-14 04:57:38,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-12-14 04:57:38,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 04:57:38,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 04:57:38,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-12-14 04:57:38,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-12-14 04:57:38,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_del_gendisk [2022-12-14 04:57:38,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_del_gendisk [2022-12-14 04:57:38,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 04:57:38,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 04:57:38,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-12-14 04:57:38,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-12-14 04:57:38,127 INFO L130 BoogieDeclarations]: Found specification of procedure init_vq [2022-12-14 04:57:38,127 INFO L138 BoogieDeclarations]: Found implementation of procedure init_vq [2022-12-14 04:57:38,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-12-14 04:57:38,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-12-14 04:57:38,127 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_config_changed [2022-12-14 04:57:38,127 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_config_changed [2022-12-14 04:57:38,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 04:57:38,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 04:57:38,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 04:57:38,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 04:57:38,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-12-14 04:57:38,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-12-14 04:57:38,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 04:57:38,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-12-14 04:57:38,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 04:57:38,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-14 04:57:38,128 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_get_cache_mode [2022-12-14 04:57:38,128 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_get_cache_mode [2022-12-14 04:57:38,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-12-14 04:57:38,129 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-14 04:57:38,129 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-14 04:57:38,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-12-14 04:57:38,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-12-14 04:57:38,129 INFO L130 BoogieDeclarations]: Found specification of procedure string_get_size [2022-12-14 04:57:38,129 INFO L138 BoogieDeclarations]: Found implementation of procedure string_get_size [2022-12-14 04:57:38,129 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_tag_set [2022-12-14 04:57:38,129 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_tag_set [2022-12-14 04:57:38,129 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_update_cache_mode [2022-12-14 04:57:38,129 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_update_cache_mode [2022-12-14 04:57:38,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_blk_cleanup_queue [2022-12-14 04:57:38,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_blk_cleanup_queue [2022-12-14 04:57:38,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-12-14 04:57:38,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-12-14 04:57:38,130 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2022-12-14 04:57:38,130 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2022-12-14 04:57:38,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 04:57:38,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 04:57:38,130 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_flush [2022-12-14 04:57:38,130 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_flush [2022-12-14 04:57:38,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-12-14 04:57:38,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-12-14 04:57:38,131 INFO L130 BoogieDeclarations]: Found specification of procedure ida_simple_remove [2022-12-14 04:57:38,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ida_simple_remove [2022-12-14 04:57:38,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-12-14 04:57:38,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-12-14 04:57:38,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-12-14 04:57:38,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-12-14 04:57:38,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-12-14 04:57:38,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-12-14 04:57:38,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-14 04:57:38,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-14 04:57:38,132 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2022-12-14 04:57:38,132 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2022-12-14 04:57:38,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-12-14 04:57:38,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-12-14 04:57:38,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-12-14 04:57:38,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-12-14 04:57:38,132 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_cread8 [2022-12-14 04:57:38,132 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_cread8 [2022-12-14 04:57:38,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 04:57:38,132 INFO L130 BoogieDeclarations]: Found specification of procedure revalidate_disk [2022-12-14 04:57:38,132 INFO L138 BoogieDeclarations]: Found implementation of procedure revalidate_disk [2022-12-14 04:57:38,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 04:57:38,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 04:57:38,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 04:57:38,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 04:57:38,133 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2022-12-14 04:57:38,133 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2022-12-14 04:57:38,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-12-14 04:57:38,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-12-14 04:57:38,133 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 04:57:38,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 04:57:38,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-12-14 04:57:38,134 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_remove [2022-12-14 04:57:38,134 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_remove [2022-12-14 04:57:38,134 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_cache_type_store [2022-12-14 04:57:38,134 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_cache_type_store [2022-12-14 04:57:38,134 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2022-12-14 04:57:38,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2022-12-14 04:57:38,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-12-14 04:57:38,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-12-14 04:57:38,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-12-14 04:57:38,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 04:57:38,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 04:57:38,135 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-14 04:57:38,135 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-14 04:57:38,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-12-14 04:57:38,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-12-14 04:57:38,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 04:57:38,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 04:57:38,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-12-14 04:57:38,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 04:57:38,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 04:57:38,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 04:57:38,136 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~C_UINT~TO~VOID [2022-12-14 04:57:38,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~C_UINT~TO~VOID [2022-12-14 04:57:38,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 04:57:38,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 04:57:38,136 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_cread32 [2022-12-14 04:57:38,136 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_cread32 [2022-12-14 04:57:38,136 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-12-14 04:57:38,136 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-12-14 04:57:38,136 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2022-12-14 04:57:38,136 INFO L138 BoogieDeclarations]: Found implementation of procedure del_gendisk [2022-12-14 04:57:38,136 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2022-12-14 04:57:38,137 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2022-12-14 04:57:38,137 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2022-12-14 04:57:38,137 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2022-12-14 04:57:38,137 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_cread16 [2022-12-14 04:57:38,137 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_cread16 [2022-12-14 04:57:38,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-12-14 04:57:38,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-12-14 04:57:38,137 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2022-12-14 04:57:38,137 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2022-12-14 04:57:38,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-12-14 04:57:38,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-12-14 04:57:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_cread64 [2022-12-14 04:57:38,138 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_cread64 [2022-12-14 04:57:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 04:57:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-12-14 04:57:38,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-12-14 04:57:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_block_request__double_get [2022-12-14 04:57:38,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_block_request__double_get [2022-12-14 04:57:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_rq_to_pdu [2022-12-14 04:57:38,138 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_rq_to_pdu [2022-12-14 04:57:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 04:57:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-12-14 04:57:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-12-14 04:57:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-12-14 04:57:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 04:57:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 04:57:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure virtio32_to_cpu [2022-12-14 04:57:38,139 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio32_to_cpu [2022-12-14 04:57:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-12-14 04:57:38,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-12-14 04:57:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 04:57:38,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 04:57:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_start_stopped_hw_queues [2022-12-14 04:57:38,140 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_start_stopped_hw_queues [2022-12-14 04:57:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segment_size [2022-12-14 04:57:38,147 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segment_size [2022-12-14 04:57:38,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-12-14 04:57:38,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-12-14 04:57:38,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-12-14 04:57:38,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-12-14 04:57:38,148 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 04:57:38,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 04:57:38,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-12-14 04:57:38,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-12-14 04:57:38,148 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 04:57:38,148 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 04:57:38,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-12-14 04:57:38,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-12-14 04:57:38,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-12-14 04:57:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-12-14 04:57:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-12-14 04:57:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-12-14 04:57:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 04:57:38,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 04:57:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_virtio_blk_vq [2022-12-14 04:57:38,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_virtio_blk_vq [2022-12-14 04:57:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-12-14 04:57:38,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-12-14 04:57:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-12-14 04:57:38,149 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-12-14 04:57:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure queue_logical_block_size [2022-12-14 04:57:38,149 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_logical_block_size [2022-12-14 04:57:38,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 04:57:38,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 04:57:38,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-12-14 04:57:38,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-12-14 04:57:38,150 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2022-12-14 04:57:38,150 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2022-12-14 04:57:38,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_put_disk [2022-12-14 04:57:38,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_put_disk [2022-12-14 04:57:38,150 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_device_ready [2022-12-14 04:57:38,150 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_device_ready [2022-12-14 04:57:38,579 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 04:57:38,581 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 04:57:38,767 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 04:57:48,433 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 04:57:48,450 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 04:57:48,450 INFO L300 CfgBuilder]: Removed 15 assume(true) statements. [2022-12-14 04:57:48,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:57:48 BoogieIcfgContainer [2022-12-14 04:57:48,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 04:57:48,455 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 04:57:48,455 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 04:57:48,458 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 04:57:48,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:57:34" (1/3) ... [2022-12-14 04:57:48,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d5044d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:57:48, skipping insertion in model container [2022-12-14 04:57:48,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:37" (2/3) ... [2022-12-14 04:57:48,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d5044d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:57:48, skipping insertion in model container [2022-12-14 04:57:48,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:57:48" (3/3) ... [2022-12-14 04:57:48,460 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i [2022-12-14 04:57:48,474 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 04:57:48,475 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 507 error locations. [2022-12-14 04:57:48,538 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 04:57:48,543 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=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@5c58a9ea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 04:57:48,544 INFO L358 AbstractCegarLoop]: Starting to check reachability of 507 error locations. [2022-12-14 04:57:48,553 INFO L276 IsEmpty]: Start isEmpty. Operand has 1982 states, 1125 states have (on average 1.6337777777777778) internal successors, (1838), 1641 states have internal predecessors, (1838), 281 states have call successors, (281), 80 states have call predecessors, (281), 79 states have return successors, (278), 276 states have call predecessors, (278), 278 states have call successors, (278) [2022-12-14 04:57:48,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 04:57:48,563 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:57:48,564 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 04:57:48,564 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [virtblk_update_cache_modeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, virtblk_update_cache_modeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 505 more)] === [2022-12-14 04:57:48,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:57:48,569 INFO L85 PathProgramCache]: Analyzing trace with hash -1193355392, now seen corresponding path program 1 times [2022-12-14 04:57:48,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:57:48,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [427840121] [2022-12-14 04:57:48,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:57:48,580 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:57:48,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:57:48,581 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 04:57:48,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-14 04:57:49,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:57:49,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 04:57:49,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:57:49,265 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-12-14 04:57:49,586 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 04:57:49,586 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:57:49,587 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:57:49,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [427840121] [2022-12-14 04:57:49,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [427840121] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:57:49,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:57:49,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 04:57:49,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129993049] [2022-12-14 04:57:49,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:57:49,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 04:57:49,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:57:49,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 04:57:49,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-14 04:57:49,620 INFO L87 Difference]: Start difference. First operand has 1982 states, 1125 states have (on average 1.6337777777777778) internal successors, (1838), 1641 states have internal predecessors, (1838), 281 states have call successors, (281), 80 states have call predecessors, (281), 79 states have return successors, (278), 276 states have call predecessors, (278), 278 states have call successors, (278) Second operand has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 04:58:05,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:58:05,460 INFO L93 Difference]: Finished difference Result 2268 states and 2623 transitions. [2022-12-14 04:58:05,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 04:58:05,463 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 47 [2022-12-14 04:58:05,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:58:05,480 INFO L225 Difference]: With dead ends: 2268 [2022-12-14 04:58:05,481 INFO L226 Difference]: Without dead ends: 2250 [2022-12-14 04:58:05,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 5 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-12-14 04:58:05,484 INFO L413 NwaCegarLoop]: 1917 mSDtfsCounter, 1858 mSDsluCounter, 5778 mSDsCounter, 0 mSdLazyCounter, 3950 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1858 SdHoareTripleChecker+Valid, 7695 SdHoareTripleChecker+Invalid, 4004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 3950 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2022-12-14 04:58:05,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1858 Valid, 7695 Invalid, 4004 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [54 Valid, 3950 Invalid, 0 Unknown, 0 Unchecked, 15.5s Time] [2022-12-14 04:58:05,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2250 states. [2022-12-14 04:58:05,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2250 to 2065. [2022-12-14 04:58:05,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2065 states, 1193 states have (on average 1.5272422464375524) internal successors, (1822), 1693 states have internal predecessors, (1822), 289 states have call successors, (289), 116 states have call predecessors, (289), 114 states have return successors, (303), 269 states have call predecessors, (303), 287 states have call successors, (303) [2022-12-14 04:58:05,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2065 states to 2065 states and 2414 transitions. [2022-12-14 04:58:05,573 INFO L78 Accepts]: Start accepts. Automaton has 2065 states and 2414 transitions. Word has length 47 [2022-12-14 04:58:05,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:58:05,574 INFO L495 AbstractCegarLoop]: Abstraction has 2065 states and 2414 transitions. [2022-12-14 04:58:05,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 04:58:05,574 INFO L276 IsEmpty]: Start isEmpty. Operand 2065 states and 2414 transitions. [2022-12-14 04:58:05,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 04:58:05,576 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:58:05,576 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 04:58:05,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-14 04:58:05,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:58:05,778 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [virtblk_update_cache_modeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, virtblk_update_cache_modeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 505 more)] === [2022-12-14 04:58:05,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:58:05,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1193355391, now seen corresponding path program 1 times [2022-12-14 04:58:05,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:58:05,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1886963453] [2022-12-14 04:58:05,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:58:05,785 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:58:05,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:58:05,789 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 04:58:05,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-14 04:58:06,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:58:06,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-14 04:58:06,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:58:06,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 04:58:06,695 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 04:58:06,696 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:58:06,696 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:58:06,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1886963453] [2022-12-14 04:58:06,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1886963453] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:58:06,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:58:06,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 04:58:06,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993761424] [2022-12-14 04:58:06,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:58:06,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 04:58:06,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:58:06,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 04:58:06,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 04:58:06,699 INFO L87 Difference]: Start difference. First operand 2065 states and 2414 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 04:58:17,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:58:17,132 INFO L93 Difference]: Finished difference Result 2064 states and 2413 transitions. [2022-12-14 04:58:17,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 04:58:17,134 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 47 [2022-12-14 04:58:17,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:58:17,140 INFO L225 Difference]: With dead ends: 2064 [2022-12-14 04:58:17,140 INFO L226 Difference]: Without dead ends: 2064 [2022-12-14 04:58:17,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-14 04:58:17,141 INFO L413 NwaCegarLoop]: 2050 mSDtfsCounter, 10 mSDsluCounter, 6373 mSDsCounter, 0 mSdLazyCounter, 1887 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 8423 SdHoareTripleChecker+Invalid, 1887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1887 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2022-12-14 04:58:17,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 8423 Invalid, 1887 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1887 Invalid, 0 Unknown, 0 Unchecked, 10.3s Time] [2022-12-14 04:58:17,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2064 states. [2022-12-14 04:58:17,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2064 to 2064. [2022-12-14 04:58:17,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2064 states, 1193 states have (on average 1.5264040234702432) internal successors, (1821), 1692 states have internal predecessors, (1821), 289 states have call successors, (289), 116 states have call predecessors, (289), 114 states have return successors, (303), 269 states have call predecessors, (303), 287 states have call successors, (303) [2022-12-14 04:58:17,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2064 states to 2064 states and 2413 transitions. [2022-12-14 04:58:17,178 INFO L78 Accepts]: Start accepts. Automaton has 2064 states and 2413 transitions. Word has length 47 [2022-12-14 04:58:17,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:58:17,178 INFO L495 AbstractCegarLoop]: Abstraction has 2064 states and 2413 transitions. [2022-12-14 04:58:17,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 04:58:17,178 INFO L276 IsEmpty]: Start isEmpty. Operand 2064 states and 2413 transitions. [2022-12-14 04:58:17,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-14 04:58:17,179 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:58:17,179 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-12-14 04:58:17,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-14 04:58:17,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:58:17,380 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONMEMORY_LEAK === [virtblk_update_cache_modeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, virtblk_update_cache_modeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 505 more)] === [2022-12-14 04:58:17,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:58:17,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1106642624, now seen corresponding path program 1 times [2022-12-14 04:58:17,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:58:17,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1409567935] [2022-12-14 04:58:17,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:58:17,381 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:58:17,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:58:17,382 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 04:58:17,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-12-14 04:58:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:58:17,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 04:58:17,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:58:18,100 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 04:58:18,100 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:58:18,100 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:58:18,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1409567935] [2022-12-14 04:58:18,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1409567935] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:58:18,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:58:18,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:58:18,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793682003] [2022-12-14 04:58:18,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:58:18,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:58:18,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:58:18,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:58:18,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:58:18,102 INFO L87 Difference]: Start difference. First operand 2064 states and 2413 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-14 04:58:18,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:58:18,157 INFO L93 Difference]: Finished difference Result 2062 states and 2410 transitions. [2022-12-14 04:58:18,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 04:58:18,158 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 50 [2022-12-14 04:58:18,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:58:18,164 INFO L225 Difference]: With dead ends: 2062 [2022-12-14 04:58:18,164 INFO L226 Difference]: Without dead ends: 2062 [2022-12-14 04:58:18,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 04:58:18,165 INFO L413 NwaCegarLoop]: 2062 mSDtfsCounter, 2024 mSDsluCounter, 2060 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2026 SdHoareTripleChecker+Valid, 4122 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:58:18,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2026 Valid, 4122 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:58:18,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2062 states. [2022-12-14 04:58:18,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2062 to 2062. [2022-12-14 04:58:18,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2062 states, 1192 states have (on average 1.5251677852348993) internal successors, (1818), 1690 states have internal predecessors, (1818), 289 states have call successors, (289), 116 states have call predecessors, (289), 114 states have return successors, (303), 269 states have call predecessors, (303), 287 states have call successors, (303) [2022-12-14 04:58:18,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2062 states to 2062 states and 2410 transitions. [2022-12-14 04:58:18,199 INFO L78 Accepts]: Start accepts. Automaton has 2062 states and 2410 transitions. Word has length 50 [2022-12-14 04:58:18,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:58:18,199 INFO L495 AbstractCegarLoop]: Abstraction has 2062 states and 2410 transitions. [2022-12-14 04:58:18,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-14 04:58:18,199 INFO L276 IsEmpty]: Start isEmpty. Operand 2062 states and 2410 transitions. [2022-12-14 04:58:18,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-14 04:58:18,201 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:58:18,201 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 04:58:18,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-12-14 04:58:18,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:58:18,402 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [virtblk_update_cache_modeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, virtblk_update_cache_modeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 505 more)] === [2022-12-14 04:58:18,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:58:18,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1804717252, now seen corresponding path program 1 times [2022-12-14 04:58:18,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:58:18,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1006723346] [2022-12-14 04:58:18,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:58:18,403 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:58:18,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:58:18,404 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 04:58:18,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-12-14 04:58:18,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:58:18,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 04:58:18,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:58:18,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-12-14 04:58:19,287 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 04:58:19,287 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:58:19,287 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:58:19,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1006723346] [2022-12-14 04:58:19,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1006723346] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:58:19,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:58:19,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 04:58:19,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494436684] [2022-12-14 04:58:19,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:58:19,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 04:58:19,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:58:19,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 04:58:19,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-14 04:58:19,289 INFO L87 Difference]: Start difference. First operand 2062 states and 2410 transitions. Second operand has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 04:58:36,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:58:36,482 INFO L93 Difference]: Finished difference Result 2244 states and 2592 transitions. [2022-12-14 04:58:36,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 04:58:36,483 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 50 [2022-12-14 04:58:36,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:58:36,489 INFO L225 Difference]: With dead ends: 2244 [2022-12-14 04:58:36,490 INFO L226 Difference]: Without dead ends: 2244 [2022-12-14 04:58:36,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 38 SyntacticMatches, 5 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-12-14 04:58:36,490 INFO L413 NwaCegarLoop]: 1889 mSDtfsCounter, 1841 mSDsluCounter, 5902 mSDsCounter, 0 mSdLazyCounter, 4721 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1841 SdHoareTripleChecker+Valid, 7791 SdHoareTripleChecker+Invalid, 4775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 4721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2022-12-14 04:58:36,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1841 Valid, 7791 Invalid, 4775 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [54 Valid, 4721 Invalid, 0 Unknown, 0 Unchecked, 16.9s Time] [2022-12-14 04:58:36,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2244 states. [2022-12-14 04:58:36,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2244 to 2061. [2022-12-14 04:58:36,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2061 states, 1192 states have (on average 1.5243288590604027) internal successors, (1817), 1689 states have internal predecessors, (1817), 289 states have call successors, (289), 116 states have call predecessors, (289), 114 states have return successors, (303), 269 states have call predecessors, (303), 287 states have call successors, (303) [2022-12-14 04:58:36,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2061 states to 2061 states and 2409 transitions. [2022-12-14 04:58:36,523 INFO L78 Accepts]: Start accepts. Automaton has 2061 states and 2409 transitions. Word has length 50 [2022-12-14 04:58:36,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:58:36,524 INFO L495 AbstractCegarLoop]: Abstraction has 2061 states and 2409 transitions. [2022-12-14 04:58:36,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 04:58:36,524 INFO L276 IsEmpty]: Start isEmpty. Operand 2061 states and 2409 transitions. [2022-12-14 04:58:36,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-14 04:58:36,525 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:58:36,525 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 04:58:36,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-12-14 04:58:36,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:58:36,726 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [virtblk_update_cache_modeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, virtblk_update_cache_modeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 505 more)] === [2022-12-14 04:58:36,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:58:36,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1804717251, now seen corresponding path program 1 times [2022-12-14 04:58:36,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:58:36,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [549206136] [2022-12-14 04:58:36,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:58:36,727 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:58:36,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:58:36,728 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 04:58:36,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-12-14 04:58:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:58:37,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-14 04:58:37,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:58:37,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 04:58:37,714 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 04:58:37,714 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:58:37,715 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:58:37,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [549206136] [2022-12-14 04:58:37,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [549206136] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:58:37,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:58:37,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 04:58:37,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350113635] [2022-12-14 04:58:37,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:58:37,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 04:58:37,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:58:37,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 04:58:37,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-14 04:58:37,716 INFO L87 Difference]: Start difference. First operand 2061 states and 2409 transitions. Second operand has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 04:58:49,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:58:49,545 INFO L93 Difference]: Finished difference Result 2060 states and 2408 transitions. [2022-12-14 04:58:49,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 04:58:49,547 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 50 [2022-12-14 04:58:49,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:58:49,553 INFO L225 Difference]: With dead ends: 2060 [2022-12-14 04:58:49,553 INFO L226 Difference]: Without dead ends: 2060 [2022-12-14 04:58:49,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-14 04:58:49,554 INFO L413 NwaCegarLoop]: 2045 mSDtfsCounter, 10 mSDsluCounter, 7950 mSDsCounter, 0 mSdLazyCounter, 2353 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 9995 SdHoareTripleChecker+Invalid, 2355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2022-12-14 04:58:49,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 9995 Invalid, 2355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2353 Invalid, 0 Unknown, 0 Unchecked, 11.6s Time] [2022-12-14 04:58:49,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2060 states. [2022-12-14 04:58:49,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2060 to 2060. [2022-12-14 04:58:49,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2060 states, 1192 states have (on average 1.523489932885906) internal successors, (1816), 1688 states have internal predecessors, (1816), 289 states have call successors, (289), 116 states have call predecessors, (289), 114 states have return successors, (303), 269 states have call predecessors, (303), 287 states have call successors, (303) [2022-12-14 04:58:49,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2060 states to 2060 states and 2408 transitions. [2022-12-14 04:58:49,584 INFO L78 Accepts]: Start accepts. Automaton has 2060 states and 2408 transitions. Word has length 50 [2022-12-14 04:58:49,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:58:49,584 INFO L495 AbstractCegarLoop]: Abstraction has 2060 states and 2408 transitions. [2022-12-14 04:58:49,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 04:58:49,584 INFO L276 IsEmpty]: Start isEmpty. Operand 2060 states and 2408 transitions. [2022-12-14 04:58:49,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-14 04:58:49,585 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:58:49,585 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 04:58:49,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-12-14 04:58:49,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:58:49,786 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_freeErr0ASSERT_VIOLATIONMEMORY_FREE === [virtblk_update_cache_modeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, virtblk_update_cache_modeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 505 more)] === [2022-12-14 04:58:49,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:58:49,786 INFO L85 PathProgramCache]: Analyzing trace with hash -2110168921, now seen corresponding path program 1 times [2022-12-14 04:58:49,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:58:49,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2102105102] [2022-12-14 04:58:49,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:58:49,787 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:58:49,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:58:49,788 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 04:58:49,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-12-14 04:58:50,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:58:50,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 04:58:50,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:58:50,607 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 04:58:50,607 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:58:50,607 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:58:50,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2102105102] [2022-12-14 04:58:50,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2102105102] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:58:50,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:58:50,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 04:58:50,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066704372] [2022-12-14 04:58:50,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:58:50,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 04:58:50,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:58:50,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 04:58:50,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-14 04:58:50,609 INFO L87 Difference]: Start difference. First operand 2060 states and 2408 transitions. Second operand has 9 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 04:58:51,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:58:51,289 INFO L93 Difference]: Finished difference Result 2313 states and 2774 transitions. [2022-12-14 04:58:51,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 04:58:51,290 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 54 [2022-12-14 04:58:51,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:58:51,295 INFO L225 Difference]: With dead ends: 2313 [2022-12-14 04:58:51,295 INFO L226 Difference]: Without dead ends: 2313 [2022-12-14 04:58:51,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-12-14 04:58:51,295 INFO L413 NwaCegarLoop]: 2356 mSDtfsCounter, 1440 mSDsluCounter, 14725 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 291 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1440 SdHoareTripleChecker+Valid, 17081 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 291 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 04:58:51,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1440 Valid, 17081 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [291 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 04:58:51,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2313 states. [2022-12-14 04:58:51,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2313 to 2066. [2022-12-14 04:58:51,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2066 states, 1197 states have (on average 1.5229741019214704) internal successors, (1823), 1693 states have internal predecessors, (1823), 289 states have call successors, (289), 117 states have call predecessors, (289), 115 states have return successors, (303), 269 states have call predecessors, (303), 287 states have call successors, (303) [2022-12-14 04:58:51,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2066 states to 2066 states and 2415 transitions. [2022-12-14 04:58:51,326 INFO L78 Accepts]: Start accepts. Automaton has 2066 states and 2415 transitions. Word has length 54 [2022-12-14 04:58:51,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:58:51,326 INFO L495 AbstractCegarLoop]: Abstraction has 2066 states and 2415 transitions. [2022-12-14 04:58:51,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 04:58:51,326 INFO L276 IsEmpty]: Start isEmpty. Operand 2066 states and 2415 transitions. [2022-12-14 04:58:51,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-14 04:58:51,327 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:58:51,327 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:58:51,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-12-14 04:58:51,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:58:51,528 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONMEMORY_LEAK === [virtblk_update_cache_modeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, virtblk_update_cache_modeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 505 more)] === [2022-12-14 04:58:51,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:58:51,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1229734792, now seen corresponding path program 1 times [2022-12-14 04:58:51,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:58:51,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1097349903] [2022-12-14 04:58:51,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:58:51,529 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:58:51,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:58:51,530 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 04:58:51,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-12-14 04:58:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:58:52,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 04:58:52,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:58:52,279 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 04:58:52,279 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:58:52,279 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:58:52,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1097349903] [2022-12-14 04:58:52,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1097349903] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:58:52,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:58:52,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:58:52,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086832600] [2022-12-14 04:58:52,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:58:52,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:58:52,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:58:52,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:58:52,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:58:52,281 INFO L87 Difference]: Start difference. First operand 2066 states and 2415 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-12-14 04:58:52,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:58:52,413 INFO L93 Difference]: Finished difference Result 4010 states and 4692 transitions. [2022-12-14 04:58:52,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 04:58:52,413 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 56 [2022-12-14 04:58:52,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:58:52,423 INFO L225 Difference]: With dead ends: 4010 [2022-12-14 04:58:52,423 INFO L226 Difference]: Without dead ends: 4010 [2022-12-14 04:58:52,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 04:58:52,424 INFO L413 NwaCegarLoop]: 2847 mSDtfsCounter, 1929 mSDsluCounter, 4863 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1931 SdHoareTripleChecker+Valid, 7710 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 04:58:52,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1931 Valid, 7710 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 04:58:52,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4010 states. [2022-12-14 04:58:52,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4010 to 3296. [2022-12-14 04:58:52,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3296 states, 2142 states have (on average 1.5490196078431373) internal successors, (3318), 2668 states have internal predecessors, (3318), 499 states have call successors, (499), 193 states have call predecessors, (499), 190 states have return successors, (543), 460 states have call predecessors, (543), 497 states have call successors, (543) [2022-12-14 04:58:52,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3296 states to 3296 states and 4360 transitions. [2022-12-14 04:58:52,474 INFO L78 Accepts]: Start accepts. Automaton has 3296 states and 4360 transitions. Word has length 56 [2022-12-14 04:58:52,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:58:52,474 INFO L495 AbstractCegarLoop]: Abstraction has 3296 states and 4360 transitions. [2022-12-14 04:58:52,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-12-14 04:58:52,474 INFO L276 IsEmpty]: Start isEmpty. Operand 3296 states and 4360 transitions. [2022-12-14 04:58:52,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-14 04:58:52,475 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:58:52,475 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 04:58:52,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-12-14 04:58:52,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:58:52,677 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_freeErr1ASSERT_VIOLATIONMEMORY_FREE === [virtblk_update_cache_modeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, virtblk_update_cache_modeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 505 more)] === [2022-12-14 04:58:52,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:58:52,678 INFO L85 PathProgramCache]: Analyzing trace with hash -990725809, now seen corresponding path program 1 times [2022-12-14 04:58:52,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:58:52,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [743967079] [2022-12-14 04:58:52,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:58:52,681 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:58:52,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:58:52,684 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 04:58:52,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-12-14 04:58:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:58:53,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 26 conjunts are in the unsatisfiable core [2022-12-14 04:58:53,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:58:56,040 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 04:58:56,041 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:58:56,041 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:58:56,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [743967079] [2022-12-14 04:58:56,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [743967079] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:58:56,041 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:58:56,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-12-14 04:58:56,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844543299] [2022-12-14 04:58:56,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:58:56,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-14 04:58:56,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:58:56,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-14 04:58:56,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2022-12-14 04:58:56,043 INFO L87 Difference]: Start difference. First operand 3296 states and 4360 transitions. Second operand has 17 states, 14 states have (on average 2.642857142857143) internal successors, (37), 12 states have internal predecessors, (37), 4 states have call successors, (8), 3 states have call predecessors, (8), 5 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2022-12-14 04:59:45,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:59:45,518 INFO L93 Difference]: Finished difference Result 3750 states and 4917 transitions. [2022-12-14 04:59:45,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-14 04:59:45,520 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 2.642857142857143) internal successors, (37), 12 states have internal predecessors, (37), 4 states have call successors, (8), 3 states have call predecessors, (8), 5 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) Word has length 55 [2022-12-14 04:59:45,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:59:45,528 INFO L225 Difference]: With dead ends: 3750 [2022-12-14 04:59:45,528 INFO L226 Difference]: Without dead ends: 3750 [2022-12-14 04:59:45,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 36 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=106, Invalid=446, Unknown=0, NotChecked=0, Total=552 [2022-12-14 04:59:45,529 INFO L413 NwaCegarLoop]: 2350 mSDtfsCounter, 2933 mSDsluCounter, 21626 mSDsCounter, 0 mSdLazyCounter, 8186 mSolverCounterSat, 393 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2947 SdHoareTripleChecker+Valid, 23976 SdHoareTripleChecker+Invalid, 8579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 393 IncrementalHoareTripleChecker+Valid, 8186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.1s IncrementalHoareTripleChecker+Time [2022-12-14 04:59:45,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2947 Valid, 23976 Invalid, 8579 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [393 Valid, 8186 Invalid, 0 Unknown, 0 Unchecked, 48.1s Time] [2022-12-14 04:59:45,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3750 states. [2022-12-14 04:59:45,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3750 to 3358. [2022-12-14 04:59:45,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3358 states, 2183 states have (on average 1.5391662849289969) internal successors, (3360), 2710 states have internal predecessors, (3360), 509 states have call successors, (509), 204 states have call predecessors, (509), 201 states have return successors, (553), 469 states have call predecessors, (553), 507 states have call successors, (553) [2022-12-14 04:59:45,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3358 states to 3358 states and 4422 transitions. [2022-12-14 04:59:45,577 INFO L78 Accepts]: Start accepts. Automaton has 3358 states and 4422 transitions. Word has length 55 [2022-12-14 04:59:45,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:59:45,577 INFO L495 AbstractCegarLoop]: Abstraction has 3358 states and 4422 transitions. [2022-12-14 04:59:45,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 2.642857142857143) internal successors, (37), 12 states have internal predecessors, (37), 4 states have call successors, (8), 3 states have call predecessors, (8), 5 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2022-12-14 04:59:45,577 INFO L276 IsEmpty]: Start isEmpty. Operand 3358 states and 4422 transitions. [2022-12-14 04:59:45,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-14 04:59:45,578 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:59:45,578 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 04:59:45,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-12-14 04:59:45,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:59:45,779 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_freeErr2ASSERT_VIOLATIONMEMORY_FREE === [virtblk_update_cache_modeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, virtblk_update_cache_modeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 505 more)] === [2022-12-14 04:59:45,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:59:45,779 INFO L85 PathProgramCache]: Analyzing trace with hash -647727703, now seen corresponding path program 1 times [2022-12-14 04:59:45,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:59:45,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [643891169] [2022-12-14 04:59:45,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:59:45,780 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:59:45,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:59:45,781 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 04:59:45,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-12-14 04:59:46,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:59:46,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 04:59:46,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:59:46,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-12-14 04:59:46,814 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 04:59:46,814 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:59:46,814 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:59:46,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [643891169] [2022-12-14 04:59:46,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [643891169] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:59:46,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:59:46,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 04:59:46,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759271080] [2022-12-14 04:59:46,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:59:46,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 04:59:46,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:59:46,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 04:59:46,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-12-14 04:59:46,816 INFO L87 Difference]: Start difference. First operand 3358 states and 4422 transitions. Second operand has 10 states, 9 states have (on average 3.888888888888889) internal successors, (35), 8 states have internal predecessors, (35), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 05:00:11,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:00:11,022 INFO L93 Difference]: Finished difference Result 3618 states and 4745 transitions. [2022-12-14 05:00:11,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 05:00:11,023 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.888888888888889) internal successors, (35), 8 states have internal predecessors, (35), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 56 [2022-12-14 05:00:11,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:00:11,032 INFO L225 Difference]: With dead ends: 3618 [2022-12-14 05:00:11,032 INFO L226 Difference]: Without dead ends: 3618 [2022-12-14 05:00:11,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 42 SyntacticMatches, 5 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2022-12-14 05:00:11,033 INFO L413 NwaCegarLoop]: 1887 mSDtfsCounter, 1836 mSDsluCounter, 9683 mSDsCounter, 0 mSdLazyCounter, 6547 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1836 SdHoareTripleChecker+Valid, 11570 SdHoareTripleChecker+Invalid, 6600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 6547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2022-12-14 05:00:11,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1836 Valid, 11570 Invalid, 6600 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [53 Valid, 6547 Invalid, 0 Unknown, 0 Unchecked, 23.9s Time] [2022-12-14 05:00:11,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3618 states. [2022-12-14 05:00:11,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3618 to 3358. [2022-12-14 05:00:11,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3358 states, 2183 states have (on average 1.5387081997251488) internal successors, (3359), 2710 states have internal predecessors, (3359), 509 states have call successors, (509), 204 states have call predecessors, (509), 201 states have return successors, (553), 469 states have call predecessors, (553), 507 states have call successors, (553) [2022-12-14 05:00:11,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3358 states to 3358 states and 4421 transitions. [2022-12-14 05:00:11,079 INFO L78 Accepts]: Start accepts. Automaton has 3358 states and 4421 transitions. Word has length 56 [2022-12-14 05:00:11,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:00:11,080 INFO L495 AbstractCegarLoop]: Abstraction has 3358 states and 4421 transitions. [2022-12-14 05:00:11,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.888888888888889) internal successors, (35), 8 states have internal predecessors, (35), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 05:00:11,080 INFO L276 IsEmpty]: Start isEmpty. Operand 3358 states and 4421 transitions. [2022-12-14 05:00:11,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-12-14 05:00:11,080 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:00:11,080 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:00:11,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2022-12-14 05:00:11,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 05:00:11,282 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONMEMORY_LEAK === [virtblk_update_cache_modeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, virtblk_update_cache_modeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 505 more)] === [2022-12-14 05:00:11,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:00:11,282 INFO L85 PathProgramCache]: Analyzing trace with hash 68847180, now seen corresponding path program 1 times [2022-12-14 05:00:11,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:00:11,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [425635488] [2022-12-14 05:00:11,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:00:11,285 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 05:00:11,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:00:11,287 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 05:00:11,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-12-14 05:00:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:00:12,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 05:00:12,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:00:12,454 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 05:00:12,454 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:00:12,454 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:00:12,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [425635488] [2022-12-14 05:00:12,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [425635488] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:00:12,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:00:12,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:00:12,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283805956] [2022-12-14 05:00:12,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:00:12,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:00:12,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:00:12,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:00:12,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:00:12,457 INFO L87 Difference]: Start difference. First operand 3358 states and 4421 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-12-14 05:00:12,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:00:12,517 INFO L93 Difference]: Finished difference Result 3356 states and 4418 transitions. [2022-12-14 05:00:12,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:00:12,518 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 62 [2022-12-14 05:00:12,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:00:12,525 INFO L225 Difference]: With dead ends: 3356 [2022-12-14 05:00:12,525 INFO L226 Difference]: Without dead ends: 3356 [2022-12-14 05:00:12,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:00:12,526 INFO L413 NwaCegarLoop]: 2057 mSDtfsCounter, 2007 mSDsluCounter, 2055 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2009 SdHoareTripleChecker+Valid, 4112 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:00:12,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2009 Valid, 4112 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 05:00:12,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3356 states. [2022-12-14 05:00:12,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3356 to 3356. [2022-12-14 05:00:12,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3356 states, 2182 states have (on average 1.538038496791934) internal successors, (3356), 2708 states have internal predecessors, (3356), 509 states have call successors, (509), 204 states have call predecessors, (509), 201 states have return successors, (553), 469 states have call predecessors, (553), 507 states have call successors, (553) [2022-12-14 05:00:12,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3356 states to 3356 states and 4418 transitions. [2022-12-14 05:00:12,581 INFO L78 Accepts]: Start accepts. Automaton has 3356 states and 4418 transitions. Word has length 62 [2022-12-14 05:00:12,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:00:12,581 INFO L495 AbstractCegarLoop]: Abstraction has 3356 states and 4418 transitions. [2022-12-14 05:00:12,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-12-14 05:00:12,582 INFO L276 IsEmpty]: Start isEmpty. Operand 3356 states and 4418 transitions. [2022-12-14 05:00:12,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-14 05:00:12,582 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:00:12,582 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:00:12,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2022-12-14 05:00:12,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 05:00:12,784 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONMEMORY_LEAK === [virtblk_update_cache_modeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, virtblk_update_cache_modeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 505 more)] === [2022-12-14 05:00:12,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:00:12,785 INFO L85 PathProgramCache]: Analyzing trace with hash 845457561, now seen corresponding path program 1 times [2022-12-14 05:00:12,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:00:12,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [751483785] [2022-12-14 05:00:12,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:00:12,786 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 05:00:12,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:00:12,787 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 05:00:12,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-12-14 05:00:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:00:13,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 05:00:13,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:00:13,680 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 05:00:13,680 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:00:13,680 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:00:13,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [751483785] [2022-12-14 05:00:13,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [751483785] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:00:13,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:00:13,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:00:13,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178242269] [2022-12-14 05:00:13,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:00:13,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:00:13,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:00:13,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:00:13,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:00:13,682 INFO L87 Difference]: Start difference. First operand 3356 states and 4418 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-12-14 05:00:13,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:00:13,770 INFO L93 Difference]: Finished difference Result 4090 states and 5297 transitions. [2022-12-14 05:00:13,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:00:13,771 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 68 [2022-12-14 05:00:13,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:00:13,779 INFO L225 Difference]: With dead ends: 4090 [2022-12-14 05:00:13,779 INFO L226 Difference]: Without dead ends: 4090 [2022-12-14 05:00:13,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:00:13,780 INFO L413 NwaCegarLoop]: 2144 mSDtfsCounter, 1998 mSDsluCounter, 2634 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2000 SdHoareTripleChecker+Valid, 4778 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:00:13,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2000 Valid, 4778 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 05:00:13,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4090 states. [2022-12-14 05:00:13,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4090 to 3874. [2022-12-14 05:00:13,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3874 states, 2560 states have (on average 1.5171875) internal successors, (3884), 3092 states have internal predecessors, (3884), 599 states have call successors, (599), 256 states have call predecessors, (599), 251 states have return successors, (643), 553 states have call predecessors, (643), 597 states have call successors, (643) [2022-12-14 05:00:13,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3874 states to 3874 states and 5126 transitions. [2022-12-14 05:00:13,831 INFO L78 Accepts]: Start accepts. Automaton has 3874 states and 5126 transitions. Word has length 68 [2022-12-14 05:00:13,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:00:13,832 INFO L495 AbstractCegarLoop]: Abstraction has 3874 states and 5126 transitions. [2022-12-14 05:00:13,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-12-14 05:00:13,832 INFO L276 IsEmpty]: Start isEmpty. Operand 3874 states and 5126 transitions. [2022-12-14 05:00:13,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-12-14 05:00:13,832 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:00:13,833 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:00:13,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-12-14 05:00:14,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 05:00:14,033 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONMEMORY_LEAK === [virtblk_update_cache_modeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, virtblk_update_cache_modeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 505 more)] === [2022-12-14 05:00:14,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:00:14,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1259349824, now seen corresponding path program 1 times [2022-12-14 05:00:14,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:00:14,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1079316648] [2022-12-14 05:00:14,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:00:14,035 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 05:00:14,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:00:14,036 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 05:00:14,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-12-14 05:00:14,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:00:14,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 05:00:14,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:00:14,862 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 05:00:14,862 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:00:14,862 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:00:14,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1079316648] [2022-12-14 05:00:14,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1079316648] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:00:14,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:00:14,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:00:14,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192127839] [2022-12-14 05:00:14,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:00:14,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:00:14,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:00:14,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:00:14,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:00:14,864 INFO L87 Difference]: Start difference. First operand 3874 states and 5126 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-12-14 05:00:14,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:00:14,915 INFO L93 Difference]: Finished difference Result 3872 states and 5123 transitions. [2022-12-14 05:00:14,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:00:14,916 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (12), 1 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 74 [2022-12-14 05:00:14,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:00:14,923 INFO L225 Difference]: With dead ends: 3872 [2022-12-14 05:00:14,923 INFO L226 Difference]: Without dead ends: 3872 [2022-12-14 05:00:14,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:00:14,924 INFO L413 NwaCegarLoop]: 2056 mSDtfsCounter, 1994 mSDsluCounter, 2054 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1996 SdHoareTripleChecker+Valid, 4110 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:00:14,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1996 Valid, 4110 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 05:00:14,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3872 states. [2022-12-14 05:00:14,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3872 to 3872. [2022-12-14 05:00:14,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3872 states, 2559 states have (on average 1.516608050019539) internal successors, (3881), 3090 states have internal predecessors, (3881), 599 states have call successors, (599), 256 states have call predecessors, (599), 251 states have return successors, (643), 553 states have call predecessors, (643), 597 states have call successors, (643) [2022-12-14 05:00:14,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3872 states to 3872 states and 5123 transitions. [2022-12-14 05:00:14,971 INFO L78 Accepts]: Start accepts. Automaton has 3872 states and 5123 transitions. Word has length 74 [2022-12-14 05:00:14,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:00:14,971 INFO L495 AbstractCegarLoop]: Abstraction has 3872 states and 5123 transitions. [2022-12-14 05:00:14,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-12-14 05:00:14,971 INFO L276 IsEmpty]: Start isEmpty. Operand 3872 states and 5123 transitions. [2022-12-14 05:00:14,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-12-14 05:00:14,972 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:00:14,972 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:00:14,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2022-12-14 05:00:15,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 05:00:15,173 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONMEMORY_LEAK === [virtblk_update_cache_modeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, virtblk_update_cache_modeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 505 more)] === [2022-12-14 05:00:15,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:00:15,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1391441995, now seen corresponding path program 1 times [2022-12-14 05:00:15,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:00:15,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [551229372] [2022-12-14 05:00:15,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:00:15,174 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 05:00:15,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:00:15,175 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 05:00:15,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-12-14 05:00:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:00:15,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 05:00:15,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:00:16,000 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 05:00:16,000 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:00:16,001 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:00:16,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [551229372] [2022-12-14 05:00:16,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [551229372] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:00:16,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:00:16,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:00:16,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705864063] [2022-12-14 05:00:16,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:00:16,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:00:16,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:00:16,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:00:16,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:00:16,003 INFO L87 Difference]: Start difference. First operand 3872 states and 5123 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-12-14 05:00:16,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:00:16,061 INFO L93 Difference]: Finished difference Result 3870 states and 5120 transitions. [2022-12-14 05:00:16,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:00:16,062 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 80 [2022-12-14 05:00:16,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:00:16,068 INFO L225 Difference]: With dead ends: 3870 [2022-12-14 05:00:16,068 INFO L226 Difference]: Without dead ends: 3870 [2022-12-14 05:00:16,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:00:16,069 INFO L413 NwaCegarLoop]: 2054 mSDtfsCounter, 1986 mSDsluCounter, 2052 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1988 SdHoareTripleChecker+Valid, 4106 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:00:16,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1988 Valid, 4106 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 05:00:16,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3870 states. [2022-12-14 05:00:16,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3870 to 3870. [2022-12-14 05:00:16,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3870 states, 2558 states have (on average 1.5160281469898358) internal successors, (3878), 3088 states have internal predecessors, (3878), 599 states have call successors, (599), 256 states have call predecessors, (599), 251 states have return successors, (643), 553 states have call predecessors, (643), 597 states have call successors, (643) [2022-12-14 05:00:16,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3870 states to 3870 states and 5120 transitions. [2022-12-14 05:00:16,117 INFO L78 Accepts]: Start accepts. Automaton has 3870 states and 5120 transitions. Word has length 80 [2022-12-14 05:00:16,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:00:16,117 INFO L495 AbstractCegarLoop]: Abstraction has 3870 states and 5120 transitions. [2022-12-14 05:00:16,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-12-14 05:00:16,117 INFO L276 IsEmpty]: Start isEmpty. Operand 3870 states and 5120 transitions. [2022-12-14 05:00:16,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-14 05:00:16,118 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:00:16,118 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:00:16,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2022-12-14 05:00:16,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 05:00:16,319 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONMEMORY_LEAK === [virtblk_update_cache_modeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, virtblk_update_cache_modeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 505 more)] === [2022-12-14 05:00:16,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:00:16,319 INFO L85 PathProgramCache]: Analyzing trace with hash -1404869525, now seen corresponding path program 1 times [2022-12-14 05:00:16,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:00:16,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1319203741] [2022-12-14 05:00:16,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:00:16,320 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 05:00:16,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:00:16,321 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 05:00:16,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-12-14 05:00:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:00:16,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 638 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 05:00:16,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:00:17,149 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 05:00:17,149 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:00:17,149 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:00:17,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1319203741] [2022-12-14 05:00:17,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1319203741] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:00:17,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:00:17,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:00:17,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804608118] [2022-12-14 05:00:17,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:00:17,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:00:17,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:00:17,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:00:17,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:00:17,151 INFO L87 Difference]: Start difference. First operand 3870 states and 5120 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-12-14 05:00:17,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:00:17,198 INFO L93 Difference]: Finished difference Result 3868 states and 5117 transitions. [2022-12-14 05:00:17,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:00:17,199 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 86 [2022-12-14 05:00:17,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:00:17,205 INFO L225 Difference]: With dead ends: 3868 [2022-12-14 05:00:17,205 INFO L226 Difference]: Without dead ends: 3868 [2022-12-14 05:00:17,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:00:17,206 INFO L413 NwaCegarLoop]: 2052 mSDtfsCounter, 1978 mSDsluCounter, 2050 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1980 SdHoareTripleChecker+Valid, 4102 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:00:17,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1980 Valid, 4102 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 05:00:17,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3868 states. [2022-12-14 05:00:17,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3868 to 3868. [2022-12-14 05:00:17,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3868 states, 2557 states have (on average 1.5154477903793508) internal successors, (3875), 3086 states have internal predecessors, (3875), 599 states have call successors, (599), 256 states have call predecessors, (599), 251 states have return successors, (643), 553 states have call predecessors, (643), 597 states have call successors, (643) [2022-12-14 05:00:17,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3868 states to 3868 states and 5117 transitions. [2022-12-14 05:00:17,251 INFO L78 Accepts]: Start accepts. Automaton has 3868 states and 5117 transitions. Word has length 86 [2022-12-14 05:00:17,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:00:17,251 INFO L495 AbstractCegarLoop]: Abstraction has 3868 states and 5117 transitions. [2022-12-14 05:00:17,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-12-14 05:00:17,252 INFO L276 IsEmpty]: Start isEmpty. Operand 3868 states and 5117 transitions. [2022-12-14 05:00:17,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-12-14 05:00:17,253 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:00:17,253 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:00:17,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2022-12-14 05:00:17,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 05:00:17,454 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr224REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [virtblk_update_cache_modeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, virtblk_update_cache_modeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 505 more)] === [2022-12-14 05:00:17,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:00:17,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1318438525, now seen corresponding path program 1 times [2022-12-14 05:00:17,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:00:17,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [87862835] [2022-12-14 05:00:17,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:00:17,456 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 05:00:17,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:00:17,458 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 05:00:17,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-12-14 05:00:18,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:00:18,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 738 conjuncts, 20 conjunts are in the unsatisfiable core [2022-12-14 05:00:18,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:00:18,782 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-12-14 05:00:18,782 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:00:18,783 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:00:18,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [87862835] [2022-12-14 05:00:18,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [87862835] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:00:18,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:00:18,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-14 05:00:18,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365607793] [2022-12-14 05:00:18,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:00:18,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-14 05:00:18,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:00:18,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-14 05:00:18,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2022-12-14 05:00:18,784 INFO L87 Difference]: Start difference. First operand 3868 states and 5117 transitions. Second operand has 14 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 6 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2022-12-14 05:00:20,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:00:20,473 INFO L93 Difference]: Finished difference Result 3905 states and 5179 transitions. [2022-12-14 05:00:20,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 05:00:20,474 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 6 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 106 [2022-12-14 05:00:20,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:00:20,481 INFO L225 Difference]: With dead ends: 3905 [2022-12-14 05:00:20,481 INFO L226 Difference]: Without dead ends: 3904 [2022-12-14 05:00:20,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2022-12-14 05:00:20,481 INFO L413 NwaCegarLoop]: 2051 mSDtfsCounter, 55 mSDsluCounter, 24395 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 26446 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:00:20,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 26446 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-14 05:00:20,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3904 states. [2022-12-14 05:00:20,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3904 to 3880. [2022-12-14 05:00:20,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3880 states, 2565 states have (on average 1.513840155945419) internal successors, (3883), 3094 states have internal predecessors, (3883), 603 states have call successors, (603), 256 states have call predecessors, (603), 251 states have return successors, (647), 557 states have call predecessors, (647), 601 states have call successors, (647) [2022-12-14 05:00:20,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3880 states to 3880 states and 5133 transitions. [2022-12-14 05:00:20,530 INFO L78 Accepts]: Start accepts. Automaton has 3880 states and 5133 transitions. Word has length 106 [2022-12-14 05:00:20,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:00:20,530 INFO L495 AbstractCegarLoop]: Abstraction has 3880 states and 5133 transitions. [2022-12-14 05:00:20,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 6 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2022-12-14 05:00:20,530 INFO L276 IsEmpty]: Start isEmpty. Operand 3880 states and 5133 transitions. [2022-12-14 05:00:20,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-12-14 05:00:20,531 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:00:20,531 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:00:20,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2022-12-14 05:00:20,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 05:00:20,731 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr224REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [virtblk_update_cache_modeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, virtblk_update_cache_modeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 505 more)] === [2022-12-14 05:00:20,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:00:20,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1110465601, now seen corresponding path program 1 times [2022-12-14 05:00:20,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:00:20,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1225202848] [2022-12-14 05:00:20,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:00:20,733 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 05:00:20,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:00:20,734 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 05:00:20,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-12-14 05:00:21,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:00:21,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-14 05:00:21,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:00:21,907 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-12-14 05:00:21,907 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:00:21,907 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:00:21,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1225202848] [2022-12-14 05:00:21,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1225202848] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:00:21,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:00:21,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-12-14 05:00:21,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952848840] [2022-12-14 05:00:21,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:00:21,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 05:00:21,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:00:21,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 05:00:21,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2022-12-14 05:00:21,909 INFO L87 Difference]: Start difference. First operand 3880 states and 5133 transitions. Second operand has 15 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 7 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2022-12-14 05:00:24,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:00:24,525 INFO L93 Difference]: Finished difference Result 3941 states and 5240 transitions. [2022-12-14 05:00:24,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-12-14 05:00:24,526 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 7 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) Word has length 113 [2022-12-14 05:00:24,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:00:24,531 INFO L225 Difference]: With dead ends: 3941 [2022-12-14 05:00:24,531 INFO L226 Difference]: Without dead ends: 3940 [2022-12-14 05:00:24,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=180, Invalid=690, Unknown=0, NotChecked=0, Total=870 [2022-12-14 05:00:24,532 INFO L413 NwaCegarLoop]: 2101 mSDtfsCounter, 66 mSDsluCounter, 26867 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 341 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 28968 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 341 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-12-14 05:00:24,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 28968 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [341 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-12-14 05:00:24,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3940 states. [2022-12-14 05:00:24,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3940 to 3882. [2022-12-14 05:00:24,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3882 states, 2566 states have (on average 1.5136399064692128) internal successors, (3884), 3094 states have internal predecessors, (3884), 604 states have call successors, (604), 256 states have call predecessors, (604), 251 states have return successors, (648), 558 states have call predecessors, (648), 602 states have call successors, (648) [2022-12-14 05:00:24,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3882 states to 3882 states and 5136 transitions. [2022-12-14 05:00:24,577 INFO L78 Accepts]: Start accepts. Automaton has 3882 states and 5136 transitions. Word has length 113 [2022-12-14 05:00:24,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:00:24,577 INFO L495 AbstractCegarLoop]: Abstraction has 3882 states and 5136 transitions. [2022-12-14 05:00:24,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 7 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2022-12-14 05:00:24,577 INFO L276 IsEmpty]: Start isEmpty. Operand 3882 states and 5136 transitions. [2022-12-14 05:00:24,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-12-14 05:00:24,578 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:00:24,578 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-12-14 05:00:24,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2022-12-14 05:00:24,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 05:00:24,778 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [virtblk_update_cache_modeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, virtblk_update_cache_modeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 505 more)] === [2022-12-14 05:00:24,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:00:24,779 INFO L85 PathProgramCache]: Analyzing trace with hash -457812355, now seen corresponding path program 1 times [2022-12-14 05:00:24,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:00:24,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1065903561] [2022-12-14 05:00:24,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:00:24,780 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 05:00:24,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:00:24,781 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 05:00:24,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-12-14 05:00:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:00:25,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 29 conjunts are in the unsatisfiable core [2022-12-14 05:00:25,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:00:26,346 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-12-14 05:00:26,347 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:00:26,347 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:00:26,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1065903561] [2022-12-14 05:00:26,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1065903561] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:00:26,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:00:26,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 05:00:26,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059911251] [2022-12-14 05:00:26,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:00:26,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 05:00:26,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:00:26,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 05:00:26,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2022-12-14 05:00:26,349 INFO L87 Difference]: Start difference. First operand 3882 states and 5136 transitions. Second operand has 13 states, 11 states have (on average 4.181818181818182) internal successors, (46), 10 states have internal predecessors, (46), 4 states have call successors, (14), 2 states have call predecessors, (14), 5 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) [2022-12-14 05:00:28,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:00:28,512 INFO L93 Difference]: Finished difference Result 4193 states and 5596 transitions. [2022-12-14 05:00:28,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 05:00:28,513 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 4.181818181818182) internal successors, (46), 10 states have internal predecessors, (46), 4 states have call successors, (14), 2 states have call predecessors, (14), 5 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) Word has length 119 [2022-12-14 05:00:28,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:00:28,521 INFO L225 Difference]: With dead ends: 4193 [2022-12-14 05:00:28,522 INFO L226 Difference]: Without dead ends: 4193 [2022-12-14 05:00:28,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2022-12-14 05:00:28,522 INFO L413 NwaCegarLoop]: 2327 mSDtfsCounter, 1430 mSDsluCounter, 16828 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 291 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1431 SdHoareTripleChecker+Valid, 19155 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 291 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-12-14 05:00:28,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1431 Valid, 19155 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [291 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-12-14 05:00:28,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4193 states. [2022-12-14 05:00:28,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4193 to 3882. [2022-12-14 05:00:28,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3882 states, 2566 states have (on average 1.5132501948558068) internal successors, (3883), 3093 states have internal predecessors, (3883), 604 states have call successors, (604), 256 states have call predecessors, (604), 251 states have return successors, (648), 558 states have call predecessors, (648), 602 states have call successors, (648) [2022-12-14 05:00:28,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3882 states to 3882 states and 5135 transitions. [2022-12-14 05:00:28,575 INFO L78 Accepts]: Start accepts. Automaton has 3882 states and 5135 transitions. Word has length 119 [2022-12-14 05:00:28,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:00:28,575 INFO L495 AbstractCegarLoop]: Abstraction has 3882 states and 5135 transitions. [2022-12-14 05:00:28,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 4.181818181818182) internal successors, (46), 10 states have internal predecessors, (46), 4 states have call successors, (14), 2 states have call predecessors, (14), 5 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) [2022-12-14 05:00:28,575 INFO L276 IsEmpty]: Start isEmpty. Operand 3882 states and 5135 transitions. [2022-12-14 05:00:28,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-12-14 05:00:28,576 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:00:28,576 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:00:28,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2022-12-14 05:00:28,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 05:00:28,777 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONMEMORY_LEAK === [virtblk_update_cache_modeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, virtblk_update_cache_modeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 505 more)] === [2022-12-14 05:00:28,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:00:28,778 INFO L85 PathProgramCache]: Analyzing trace with hash -29689389, now seen corresponding path program 1 times [2022-12-14 05:00:28,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:00:28,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2068419562] [2022-12-14 05:00:28,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:00:28,779 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 05:00:28,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:00:28,780 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 05:00:28,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-12-14 05:00:29,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:00:29,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 05:00:29,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:00:29,734 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 05:00:29,734 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:00:29,734 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:00:29,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2068419562] [2022-12-14 05:00:29,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2068419562] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:00:29,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:00:29,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:00:29,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646462774] [2022-12-14 05:00:29,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:00:29,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:00:29,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:00:29,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:00:29,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:00:29,736 INFO L87 Difference]: Start difference. First operand 3882 states and 5135 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-12-14 05:00:29,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:00:29,793 INFO L93 Difference]: Finished difference Result 3880 states and 5132 transitions. [2022-12-14 05:00:29,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:00:29,794 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 92 [2022-12-14 05:00:29,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:00:29,799 INFO L225 Difference]: With dead ends: 3880 [2022-12-14 05:00:29,799 INFO L226 Difference]: Without dead ends: 3880 [2022-12-14 05:00:29,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:00:29,800 INFO L413 NwaCegarLoop]: 2049 mSDtfsCounter, 1973 mSDsluCounter, 2043 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1975 SdHoareTripleChecker+Valid, 4092 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:00:29,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1975 Valid, 4092 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 05:00:29,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3880 states. [2022-12-14 05:00:29,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3880 to 3880. [2022-12-14 05:00:29,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3880 states, 2565 states have (on average 1.5126705653021442) internal successors, (3880), 3091 states have internal predecessors, (3880), 604 states have call successors, (604), 256 states have call predecessors, (604), 251 states have return successors, (648), 558 states have call predecessors, (648), 602 states have call successors, (648) [2022-12-14 05:00:29,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3880 states to 3880 states and 5132 transitions. [2022-12-14 05:00:29,843 INFO L78 Accepts]: Start accepts. Automaton has 3880 states and 5132 transitions. Word has length 92 [2022-12-14 05:00:29,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:00:29,844 INFO L495 AbstractCegarLoop]: Abstraction has 3880 states and 5132 transitions. [2022-12-14 05:00:29,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-12-14 05:00:29,844 INFO L276 IsEmpty]: Start isEmpty. Operand 3880 states and 5132 transitions. [2022-12-14 05:00:29,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-12-14 05:00:29,845 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:00:29,845 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:00:29,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0 [2022-12-14 05:00:30,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 05:00:30,045 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONMEMORY_LEAK === [virtblk_update_cache_modeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, virtblk_update_cache_modeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 505 more)] === [2022-12-14 05:00:30,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:00:30,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1533400918, now seen corresponding path program 1 times [2022-12-14 05:00:30,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:00:30,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1787638938] [2022-12-14 05:00:30,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:00:30,047 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 05:00:30,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:00:30,048 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 05:00:30,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2022-12-14 05:00:30,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:00:30,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 05:00:30,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:00:31,019 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 05:00:31,019 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:00:31,019 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:00:31,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1787638938] [2022-12-14 05:00:31,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1787638938] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:00:31,019 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:00:31,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:00:31,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138173859] [2022-12-14 05:00:31,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:00:31,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:00:31,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:00:31,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:00:31,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:00:31,021 INFO L87 Difference]: Start difference. First operand 3880 states and 5132 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-12-14 05:00:31,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:00:31,073 INFO L93 Difference]: Finished difference Result 3878 states and 5129 transitions. [2022-12-14 05:00:31,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:00:31,074 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 94 [2022-12-14 05:00:31,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:00:31,079 INFO L225 Difference]: With dead ends: 3878 [2022-12-14 05:00:31,079 INFO L226 Difference]: Without dead ends: 3878 [2022-12-14 05:00:31,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:00:31,080 INFO L413 NwaCegarLoop]: 2047 mSDtfsCounter, 1965 mSDsluCounter, 2045 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1967 SdHoareTripleChecker+Valid, 4092 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:00:31,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1967 Valid, 4092 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 05:00:31,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3878 states. [2022-12-14 05:00:31,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3878 to 3878. [2022-12-14 05:00:31,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3878 states, 2564 states have (on average 1.5120904836193447) internal successors, (3877), 3089 states have internal predecessors, (3877), 604 states have call successors, (604), 256 states have call predecessors, (604), 251 states have return successors, (648), 558 states have call predecessors, (648), 602 states have call successors, (648) [2022-12-14 05:00:31,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3878 states to 3878 states and 5129 transitions. [2022-12-14 05:00:31,126 INFO L78 Accepts]: Start accepts. Automaton has 3878 states and 5129 transitions. Word has length 94 [2022-12-14 05:00:31,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:00:31,126 INFO L495 AbstractCegarLoop]: Abstraction has 3878 states and 5129 transitions. [2022-12-14 05:00:31,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-12-14 05:00:31,126 INFO L276 IsEmpty]: Start isEmpty. Operand 3878 states and 5129 transitions. [2022-12-14 05:00:31,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-12-14 05:00:31,127 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:00:31,127 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-12-14 05:00:31,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Ended with exit code 0 [2022-12-14 05:00:31,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 05:00:31,328 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [virtblk_update_cache_modeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, virtblk_update_cache_modeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 505 more)] === [2022-12-14 05:00:31,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:00:31,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1726702767, now seen corresponding path program 1 times [2022-12-14 05:00:31,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:00:31,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1590895456] [2022-12-14 05:00:31,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:00:31,329 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 05:00:31,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:00:31,330 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 05:00:31,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2022-12-14 05:00:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:00:34,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 813 conjuncts, 49 conjunts are in the unsatisfiable core [2022-12-14 05:00:34,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:00:34,255 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 05:00:34,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2022-12-14 05:00:34,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 05:00:34,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 05:00:34,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 05:00:34,861 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 05:00:34,861 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2022-12-14 05:00:35,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 05:00:35,277 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 05:00:35,644 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_222 (_ BitVec 1))) (= |c_#valid| (store |c_old(#valid)| |c_ldv_free_#in~s.base| v_ArrVal_222))) is different from true [2022-12-14 05:00:35,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 20 [2022-12-14 05:00:35,794 WARN L859 $PredicateComparison]: unable to prove that (exists ((ldv_xmalloc_~tmp~84.base (_ BitVec 64))) (and (= (_ bv0 1) (select |c_old(#valid)| ldv_xmalloc_~tmp~84.base)) (exists ((v_ArrVal_223 (_ BitVec 1))) (= |c_#valid| (store |c_old(#valid)| ldv_xmalloc_~tmp~84.base v_ArrVal_223))))) is different from true [2022-12-14 05:00:35,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 05:00:35,822 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 05:00:35,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 05:00:35,957 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 05:00:35,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2022-12-14 05:00:36,011 WARN L859 $PredicateComparison]: unable to prove that (exists ((ldv_xmalloc_~tmp~84.base (_ BitVec 64))) (and (exists ((v_ArrVal_224 (_ BitVec 1))) (= |c_#valid| (store |c_old(#valid)| ldv_xmalloc_~tmp~84.base v_ArrVal_224))) (= (_ bv0 1) (select |c_old(#valid)| ldv_xmalloc_~tmp~84.base)))) is different from true [2022-12-14 05:00:36,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 05:00:36,039 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 05:00:36,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 05:00:36,168 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 05:00:36,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2022-12-14 05:00:36,213 WARN L859 $PredicateComparison]: unable to prove that (exists ((ldv_xmalloc_~tmp~84.base (_ BitVec 64))) (= |c_#valid| (store |c_old(#valid)| ldv_xmalloc_~tmp~84.base (_ bv1 1)))) is different from true [2022-12-14 05:00:36,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-12-14 05:00:36,327 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((ldv_xmalloc_~tmp~84.base (_ BitVec 64))) (= (_ bv0 1) (bvadd (select |c_#valid| ldv_xmalloc_~tmp~84.base) (_ bv1 1)))) (exists ((ldv_xmalloc_~tmp~84.base (_ BitVec 64))) (= |c_#valid| (store |c_old(#valid)| ldv_xmalloc_~tmp~84.base (_ bv1 1))))) is different from true [2022-12-14 05:00:36,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-12-14 05:00:36,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-12-14 05:00:36,605 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 05:00:36,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-12-14 05:00:36,795 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 57 proven. 68 refuted. 0 times theorem prover too weak. 82 trivial. 42 not checked. [2022-12-14 05:00:36,796 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:00:37,285 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:00:37,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1590895456] [2022-12-14 05:00:37,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1590895456] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:00:37,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1388814204] [2022-12-14 05:00:37,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:00:37,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 05:00:37,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 05:00:37,286 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 05:00:37,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2022-12-14 05:00:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:00:51,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 813 conjuncts, 57 conjunts are in the unsatisfiable core [2022-12-14 05:00:51,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:00:52,316 INFO L321 Elim1Store]: treesize reduction 44, result has 34.3 percent of original size [2022-12-14 05:00:52,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 43 [2022-12-14 05:00:53,210 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 05:00:53,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 05:00:53,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 05:00:53,568 INFO L321 Elim1Store]: treesize reduction 44, result has 34.3 percent of original size [2022-12-14 05:00:53,568 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 43 [2022-12-14 05:00:53,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 05:00:54,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 05:00:54,733 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_252 (_ BitVec 1))) (= (store |c_old(#valid)| |c_ldv_free_#in~s.base| v_ArrVal_252) |c_#valid|)) is different from true [2022-12-14 05:00:54,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 32 [2022-12-14 05:00:54,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-12-14 05:00:54,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-12-14 05:00:55,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-12-14 05:00:55,221 INFO L321 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2022-12-14 05:00:55,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 32 [2022-12-14 05:00:55,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 05:00:55,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 05:00:56,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 05:00:56,455 INFO L321 Elim1Store]: treesize reduction 44, result has 34.3 percent of original size [2022-12-14 05:00:56,456 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 43 [2022-12-14 05:00:56,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-12-14 05:00:56,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-12-14 05:00:56,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-12-14 05:00:57,177 INFO L321 Elim1Store]: treesize reduction 48, result has 31.4 percent of original size [2022-12-14 05:00:57,177 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 44 [2022-12-14 05:00:57,984 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 60 proven. 75 refuted. 0 times theorem prover too weak. 86 trivial. 28 not checked. [2022-12-14 05:00:57,984 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:00:58,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1388814204] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:00:58,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737188476] [2022-12-14 05:00:58,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:00:58,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:00:58,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:00:58,399 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:00:58,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-12-14 05:00:58,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:00:59,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 813 conjuncts, 49 conjunts are in the unsatisfiable core [2022-12-14 05:00:59,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:00:59,185 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 05:00:59,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2022-12-14 05:00:59,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 05:00:59,430 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 05:00:59,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 05:00:59,556 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 05:00:59,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2022-12-14 05:00:59,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 05:00:59,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 05:00:59,759 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_282 (_ BitVec 1))) (= |c_#valid| (store |c_old(#valid)| |c_ldv_free_#in~s.base| v_ArrVal_282))) is different from true [2022-12-14 05:00:59,779 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 20 [2022-12-14 05:00:59,812 WARN L859 $PredicateComparison]: unable to prove that (exists ((ldv_xmalloc_~tmp~84.base (_ BitVec 64))) (and (exists ((v_ArrVal_283 (_ BitVec 1))) (= (store |c_old(#valid)| ldv_xmalloc_~tmp~84.base v_ArrVal_283) |c_#valid|)) (= (_ bv0 1) (select |c_old(#valid)| ldv_xmalloc_~tmp~84.base)))) is different from true [2022-12-14 05:00:59,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 05:00:59,840 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 05:00:59,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 05:00:59,971 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 05:00:59,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2022-12-14 05:01:00,023 WARN L859 $PredicateComparison]: unable to prove that (exists ((ldv_xmalloc_~tmp~84.base (_ BitVec 64))) (and (exists ((v_ArrVal_284 (_ BitVec 1))) (= |c_#valid| (store |c_old(#valid)| ldv_xmalloc_~tmp~84.base v_ArrVal_284))) (= (_ bv0 1) (select |c_old(#valid)| ldv_xmalloc_~tmp~84.base)))) is different from true [2022-12-14 05:01:00,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 05:01:00,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 05:01:00,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 05:01:00,187 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 05:01:00,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2022-12-14 05:01:00,233 WARN L859 $PredicateComparison]: unable to prove that (exists ((ldv_xmalloc_~tmp~84.base (_ BitVec 64))) (and (exists ((v_ArrVal_285 (_ BitVec 1))) (= (store |c_old(#valid)| ldv_xmalloc_~tmp~84.base v_ArrVal_285) |c_#valid|)) (= (_ bv0 1) (select |c_old(#valid)| ldv_xmalloc_~tmp~84.base)))) is different from true [2022-12-14 05:01:00,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 05:01:00,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 05:01:00,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 05:01:00,385 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 05:01:00,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2022-12-14 05:01:00,456 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 139 trivial. 42 not checked. [2022-12-14 05:01:00,456 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:01:00,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1737188476] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:01:00,839 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 05:01:00,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 24, 21] total 45 [2022-12-14 05:01:00,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192210663] [2022-12-14 05:01:00,840 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 05:01:00,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2022-12-14 05:01:00,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:01:00,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-12-14 05:01:00,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=1239, Unknown=10, NotChecked=810, Total=2256 [2022-12-14 05:01:00,841 INFO L87 Difference]: Start difference. First operand 3878 states and 5129 transitions. Second operand has 46 states, 40 states have (on average 2.975) internal successors, (119), 43 states have internal predecessors, (119), 21 states have call successors, (45), 8 states have call predecessors, (45), 19 states have return successors, (49), 18 states have call predecessors, (49), 21 states have call successors, (49) [2022-12-14 05:01:18,115 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_282 (_ BitVec 1))) (= |c_#valid| (store |c_old(#valid)| |c_ldv_free_#in~s.base| v_ArrVal_282))) (exists ((v_ArrVal_222 (_ BitVec 1))) (= |c_#valid| (store |c_old(#valid)| |c_ldv_free_#in~s.base| v_ArrVal_222))) (exists ((v_ArrVal_252 (_ BitVec 1))) (= (store |c_old(#valid)| |c_ldv_free_#in~s.base| v_ArrVal_252) |c_#valid|)) (exists ((ldv_xmalloc_~tmp~84.base (_ BitVec 64))) (= (_ bv0 1) (bvadd (select |c_#valid| ldv_xmalloc_~tmp~84.base) (_ bv1 1))))) is different from true [2022-12-14 05:01:18,122 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_282 (_ BitVec 1))) (= |c_#valid| (store |c_old(#valid)| |c_ldv_free_#in~s.base| v_ArrVal_282))) (exists ((v_ArrVal_222 (_ BitVec 1))) (= |c_#valid| (store |c_old(#valid)| |c_ldv_free_#in~s.base| v_ArrVal_222))) (exists ((v_ArrVal_252 (_ BitVec 1))) (= (store |c_old(#valid)| |c_ldv_free_#in~s.base| v_ArrVal_252) |c_#valid|))) is different from true [2022-12-14 05:02:56,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 05:02:58,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 05:03:00,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 05:03:02,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 05:03:05,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 05:03:07,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 05:03:09,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 05:03:11,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 05:03:22,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 05:03:33,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:03:33,072 INFO L93 Difference]: Finished difference Result 5229 states and 6909 transitions. [2022-12-14 05:03:33,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-12-14 05:03:33,073 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 40 states have (on average 2.975) internal successors, (119), 43 states have internal predecessors, (119), 21 states have call successors, (45), 8 states have call predecessors, (45), 19 states have return successors, (49), 18 states have call predecessors, (49), 21 states have call successors, (49) Word has length 128 [2022-12-14 05:03:33,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:03:33,081 INFO L225 Difference]: With dead ends: 5229 [2022-12-14 05:03:33,081 INFO L226 Difference]: Without dead ends: 5229 [2022-12-14 05:03:33,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 452 GetRequests, 359 SyntacticMatches, 21 SemanticMatches, 72 ConstructedPredicates, 12 IntricatePredicates, 0 DeprecatedPredicates, 1626 ImplicationChecksByTransitivity, 13.8s TimeCoverageRelationStatistics Valid=567, Invalid=3249, Unknown=14, NotChecked=1572, Total=5402 [2022-12-14 05:03:33,082 INFO L413 NwaCegarLoop]: 1385 mSDtfsCounter, 3241 mSDsluCounter, 18832 mSDsCounter, 0 mSdLazyCounter, 28876 mSolverCounterSat, 842 mSolverCounterUnsat, 43 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 134.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3382 SdHoareTripleChecker+Valid, 20217 SdHoareTripleChecker+Invalid, 57136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 842 IncrementalHoareTripleChecker+Valid, 28876 IncrementalHoareTripleChecker+Invalid, 43 IncrementalHoareTripleChecker+Unknown, 27375 IncrementalHoareTripleChecker+Unchecked, 143.4s IncrementalHoareTripleChecker+Time [2022-12-14 05:03:33,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3382 Valid, 20217 Invalid, 57136 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [842 Valid, 28876 Invalid, 43 Unknown, 27375 Unchecked, 143.4s Time] [2022-12-14 05:03:33,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5229 states. [2022-12-14 05:03:33,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5229 to 4196. [2022-12-14 05:03:33,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4196 states, 2796 states have (on average 1.5089413447782547) internal successors, (4219), 3332 states have internal predecessors, (4219), 657 states have call successors, (657), 285 states have call predecessors, (657), 284 states have return successors, (729), 605 states have call predecessors, (729), 655 states have call successors, (729) [2022-12-14 05:03:33,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4196 states to 4196 states and 5605 transitions. [2022-12-14 05:03:33,138 INFO L78 Accepts]: Start accepts. Automaton has 4196 states and 5605 transitions. Word has length 128 [2022-12-14 05:03:33,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:03:33,138 INFO L495 AbstractCegarLoop]: Abstraction has 4196 states and 5605 transitions. [2022-12-14 05:03:33,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 40 states have (on average 2.975) internal successors, (119), 43 states have internal predecessors, (119), 21 states have call successors, (45), 8 states have call predecessors, (45), 19 states have return successors, (49), 18 states have call predecessors, (49), 21 states have call successors, (49) [2022-12-14 05:03:33,139 INFO L276 IsEmpty]: Start isEmpty. Operand 4196 states and 5605 transitions. [2022-12-14 05:03:33,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-12-14 05:03:33,139 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:03:33,139 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:03:33,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2022-12-14 05:03:33,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2022-12-14 05:03:33,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Ended with exit code 0 [2022-12-14 05:03:33,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 05:03:33,741 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONMEMORY_LEAK === [virtblk_update_cache_modeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, virtblk_update_cache_modeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 505 more)] === [2022-12-14 05:03:33,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:03:33,742 INFO L85 PathProgramCache]: Analyzing trace with hash -276735031, now seen corresponding path program 1 times [2022-12-14 05:03:33,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:03:33,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1532384550] [2022-12-14 05:03:33,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:03:33,746 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 05:03:33,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:03:33,746 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 05:03:33,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2022-12-14 05:03:34,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:03:34,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 05:03:34,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:03:34,806 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 05:03:34,806 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:03:34,806 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:03:34,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1532384550] [2022-12-14 05:03:34,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1532384550] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:03:34,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:03:34,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:03:34,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821226396] [2022-12-14 05:03:34,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:03:34,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:03:34,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:03:34,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:03:34,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:03:34,808 INFO L87 Difference]: Start difference. First operand 4196 states and 5605 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-12-14 05:03:34,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:03:34,862 INFO L93 Difference]: Finished difference Result 4194 states and 5602 transitions. [2022-12-14 05:03:34,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:03:34,863 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 100 [2022-12-14 05:03:34,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:03:34,868 INFO L225 Difference]: With dead ends: 4194 [2022-12-14 05:03:34,868 INFO L226 Difference]: Without dead ends: 4194 [2022-12-14 05:03:34,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:03:34,868 INFO L413 NwaCegarLoop]: 2045 mSDtfsCounter, 1957 mSDsluCounter, 2043 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1959 SdHoareTripleChecker+Valid, 4088 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:03:34,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1959 Valid, 4088 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 05:03:34,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4194 states. [2022-12-14 05:03:34,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4194 to 4194. [2022-12-14 05:03:34,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4194 states, 2795 states have (on average 1.508407871198569) internal successors, (4216), 3330 states have internal predecessors, (4216), 657 states have call successors, (657), 285 states have call predecessors, (657), 284 states have return successors, (729), 605 states have call predecessors, (729), 655 states have call successors, (729) [2022-12-14 05:03:34,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4194 states to 4194 states and 5602 transitions. [2022-12-14 05:03:34,920 INFO L78 Accepts]: Start accepts. Automaton has 4194 states and 5602 transitions. Word has length 100 [2022-12-14 05:03:34,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:03:34,920 INFO L495 AbstractCegarLoop]: Abstraction has 4194 states and 5602 transitions. [2022-12-14 05:03:34,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-12-14 05:03:34,921 INFO L276 IsEmpty]: Start isEmpty. Operand 4194 states and 5602 transitions. [2022-12-14 05:03:34,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-12-14 05:03:34,922 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:03:34,922 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:03:34,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Ended with exit code 0 [2022-12-14 05:03:35,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 05:03:35,123 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONMEMORY_LEAK === [virtblk_update_cache_modeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, virtblk_update_cache_modeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 505 more)] === [2022-12-14 05:03:35,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:03:35,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1891453797, now seen corresponding path program 1 times [2022-12-14 05:03:35,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:03:35,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1688823196] [2022-12-14 05:03:35,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:03:35,127 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 05:03:35,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:03:35,130 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 05:03:35,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2022-12-14 05:03:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:03:35,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 05:03:35,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:03:36,245 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 05:03:36,245 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:03:36,245 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:03:36,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1688823196] [2022-12-14 05:03:36,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1688823196] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:03:36,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:03:36,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:03:36,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572063490] [2022-12-14 05:03:36,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:03:36,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:03:36,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:03:36,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:03:36,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:03:36,248 INFO L87 Difference]: Start difference. First operand 4194 states and 5602 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-12-14 05:03:36,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:03:36,315 INFO L93 Difference]: Finished difference Result 4192 states and 5599 transitions. [2022-12-14 05:03:36,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:03:36,316 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 106 [2022-12-14 05:03:36,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:03:36,321 INFO L225 Difference]: With dead ends: 4192 [2022-12-14 05:03:36,322 INFO L226 Difference]: Without dead ends: 4192 [2022-12-14 05:03:36,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:03:36,322 INFO L413 NwaCegarLoop]: 2043 mSDtfsCounter, 1949 mSDsluCounter, 2041 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1951 SdHoareTripleChecker+Valid, 4084 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:03:36,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1951 Valid, 4084 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 05:03:36,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4192 states. [2022-12-14 05:03:36,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4192 to 4192. [2022-12-14 05:03:36,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4192 states, 2794 states have (on average 1.5078740157480315) internal successors, (4213), 3328 states have internal predecessors, (4213), 657 states have call successors, (657), 285 states have call predecessors, (657), 284 states have return successors, (729), 605 states have call predecessors, (729), 655 states have call successors, (729) [2022-12-14 05:03:36,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4192 states to 4192 states and 5599 transitions. [2022-12-14 05:03:36,364 INFO L78 Accepts]: Start accepts. Automaton has 4192 states and 5599 transitions. Word has length 106 [2022-12-14 05:03:36,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:03:36,365 INFO L495 AbstractCegarLoop]: Abstraction has 4192 states and 5599 transitions. [2022-12-14 05:03:36,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-12-14 05:03:36,365 INFO L276 IsEmpty]: Start isEmpty. Operand 4192 states and 5599 transitions. [2022-12-14 05:03:36,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-12-14 05:03:36,366 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:03:36,366 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-12-14 05:03:36,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Ended with exit code 0 [2022-12-14 05:03:36,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 05:03:36,567 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [virtblk_update_cache_modeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, virtblk_update_cache_modeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 505 more)] === [2022-12-14 05:03:36,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:03:36,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1726702768, now seen corresponding path program 1 times [2022-12-14 05:03:36,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:03:36,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [607480381] [2022-12-14 05:03:36,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:03:36,571 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 05:03:36,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:03:36,575 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 05:03:36,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2022-12-14 05:03:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:03:39,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 813 conjuncts, 74 conjunts are in the unsatisfiable core [2022-12-14 05:03:39,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:03:39,712 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 05:03:39,712 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2022-12-14 05:03:39,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-12-14 05:03:40,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:03:40,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 05:03:40,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:03:40,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 05:03:40,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:03:40,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 05:03:40,693 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 05:03:40,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-12-14 05:03:40,772 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 05:03:40,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2022-12-14 05:03:41,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 05:03:41,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 05:03:41,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 05:03:41,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 05:03:42,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 20 [2022-12-14 05:03:42,339 WARN L859 $PredicateComparison]: unable to prove that (exists ((ldv_xmalloc_~tmp~84.base (_ BitVec 64))) (and (exists ((v_ArrVal_333 (_ BitVec 1))) (= |c_#valid| (store |c_old(#valid)| ldv_xmalloc_~tmp~84.base v_ArrVal_333))) (= (_ bv0 1) (select |c_old(#valid)| ldv_xmalloc_~tmp~84.base)) (exists ((v_ArrVal_334 (_ BitVec 64))) (= (store |c_old(#length)| ldv_xmalloc_~tmp~84.base v_ArrVal_334) |c_#length|)))) is different from true [2022-12-14 05:03:42,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 05:03:42,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:03:42,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:03:42,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 05:03:42,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:03:42,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 05:03:42,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:42,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-12-14 05:03:42,610 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 05:03:42,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2022-12-14 05:03:42,686 WARN L859 $PredicateComparison]: unable to prove that (exists ((ldv_xmalloc_~tmp~84.base (_ BitVec 64))) (and (exists ((v_ArrVal_335 (_ BitVec 64))) (= (store |c_old(#length)| ldv_xmalloc_~tmp~84.base v_ArrVal_335) |c_#length|)) (= (_ bv0 1) (select |c_old(#valid)| ldv_xmalloc_~tmp~84.base)))) is different from true [2022-12-14 05:03:42,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:03:42,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:03:42,755 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:03:42,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:03:42,823 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-12-14 05:03:43,071 WARN L859 $PredicateComparison]: unable to prove that (exists ((ldv_xmalloc_~tmp~84.base (_ BitVec 64))) (= |c_#length| (store |c_old(#length)| ldv_xmalloc_~tmp~84.base |c_ldv_xmalloc_#in~size|))) is different from true [2022-12-14 05:03:43,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:03:43,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:03:43,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:03:43,207 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 05:03:43,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-12-14 05:03:43,923 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 133 trivial. 42 not checked. [2022-12-14 05:03:43,923 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:03:45,355 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:03:45,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [607480381] [2022-12-14 05:03:45,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [607480381] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:03:45,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [331557764] [2022-12-14 05:03:45,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:03:45,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 05:03:45,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 05:03:45,357 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 05:03:45,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2022-12-14 05:04:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:04:01,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 813 conjuncts, 81 conjunts are in the unsatisfiable core [2022-12-14 05:04:01,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:04:01,752 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 05:04:01,752 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2022-12-14 05:04:01,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-12-14 05:04:02,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 05:04:02,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:04:02,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 05:04:02,397 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:04:02,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 05:04:02,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:04:02,842 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 05:04:02,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2022-12-14 05:04:02,867 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-12-14 05:04:03,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 05:04:03,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 05:04:03,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 05:04:03,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 05:04:04,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 20 [2022-12-14 05:04:04,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:04:04,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 05:04:04,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:04:04,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 05:04:05,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:04:05,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 05:04:05,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:05,686 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-12-14 05:04:05,763 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 05:04:05,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2022-12-14 05:04:06,176 WARN L859 $PredicateComparison]: unable to prove that (exists ((ldv_xmalloc_~tmp~84.base (_ BitVec 64))) (and (= (_ bv0 1) (select |c_old(#valid)| ldv_xmalloc_~tmp~84.base)) (exists ((v_ArrVal_370 (_ BitVec 64))) (= (store |c_old(#length)| ldv_xmalloc_~tmp~84.base v_ArrVal_370) |c_#length|)))) is different from true [2022-12-14 05:04:06,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:04:06,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:04:06,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:04:06,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:06,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-12-14 05:04:06,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:04:06,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:04:06,422 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:04:06,497 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 05:04:06,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-12-14 05:04:06,727 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 19 proven. 119 refuted. 0 times theorem prover too weak. 76 trivial. 35 not checked. [2022-12-14 05:04:06,727 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:04:07,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [331557764] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:04:07,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1457456027] [2022-12-14 05:04:07,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:04:07,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:04:07,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:04:07,775 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:04:07,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2022-12-14 05:04:08,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:04:08,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 813 conjuncts, 80 conjunts are in the unsatisfiable core [2022-12-14 05:04:08,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:04:08,644 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 05:04:08,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2022-12-14 05:04:08,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-12-14 05:04:09,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 05:04:09,102 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:04:09,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 05:04:09,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:04:09,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:04:09,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-12-14 05:04:09,320 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 05:04:09,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2022-12-14 05:04:09,355 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-12-14 05:04:09,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 05:04:09,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 05:04:09,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 05:04:09,558 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 05:04:09,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 20 [2022-12-14 05:04:09,875 WARN L859 $PredicateComparison]: unable to prove that (exists ((ldv_xmalloc_~tmp~84.base (_ BitVec 64))) (and (= |c_#valid| (store |c_old(#valid)| ldv_xmalloc_~tmp~84.base (_ bv1 1))) (= |c_#length| (store |c_old(#length)| ldv_xmalloc_~tmp~84.base |c_ldv_xmalloc_#in~size|)))) is different from true [2022-12-14 05:04:09,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:04:09,889 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-12-14 05:04:09,943 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((ldv_xmalloc_~tmp~84.base (_ BitVec 64))) (and (= |c_#valid| (store |c_old(#valid)| ldv_xmalloc_~tmp~84.base (_ bv1 1))) (= |c_#length| (store |c_old(#length)| ldv_xmalloc_~tmp~84.base |c_ldv_xmalloc_#in~size|)))) (exists ((ldv_xmalloc_~tmp~84.base (_ BitVec 64))) (= (_ bv0 1) (bvadd (select |c_#valid| ldv_xmalloc_~tmp~84.base) (_ bv1 1))))) is different from true [2022-12-14 05:04:09,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:04:09,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-12-14 05:04:10,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:04:10,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-12-14 05:04:10,490 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 05:04:10,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-12-14 05:04:10,556 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 05:04:10,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-12-14 05:04:11,057 WARN L859 $PredicateComparison]: unable to prove that (exists ((ldv_xmalloc_~tmp~84.base (_ BitVec 64))) (and (= (_ bv0 1) (select |c_old(#valid)| ldv_xmalloc_~tmp~84.base)) (= |c_#length| (store |c_old(#length)| ldv_xmalloc_~tmp~84.base |c_ldv_xmalloc_#in~size|)))) is different from true [2022-12-14 05:04:11,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:04:11,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:04:11,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:04:11,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:04:11,264 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 05:04:11,265 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 38 [2022-12-14 05:04:11,382 INFO L321 Elim1Store]: treesize reduction 10, result has 67.7 percent of original size [2022-12-14 05:04:11,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 49 [2022-12-14 05:04:11,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:04:11,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:04:11,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:04:12,285 INFO L321 Elim1Store]: treesize reduction 34, result has 58.5 percent of original size [2022-12-14 05:04:12,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 67 [2022-12-14 05:04:14,404 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 19 proven. 112 refuted. 0 times theorem prover too weak. 76 trivial. 42 not checked. [2022-12-14 05:04:14,404 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:04:15,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1457456027] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:04:15,283 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 05:04:15,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 28, 29] total 43 [2022-12-14 05:04:15,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360596789] [2022-12-14 05:04:15,283 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 05:04:15,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-12-14 05:04:15,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:04:15,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-12-14 05:04:15,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=1323, Unknown=25, NotChecked=560, Total=2070 [2022-12-14 05:04:15,285 INFO L87 Difference]: Start difference. First operand 4192 states and 5599 transitions. Second operand has 44 states, 40 states have (on average 2.45) internal successors, (98), 39 states have internal predecessors, (98), 21 states have call successors, (40), 9 states have call predecessors, (40), 16 states have return successors, (43), 20 states have call predecessors, (43), 21 states have call successors, (43) [2022-12-14 05:08:42,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 05:08:48,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 05:09:31,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:09:31,207 INFO L93 Difference]: Finished difference Result 7565 states and 10037 transitions. [2022-12-14 05:09:31,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-12-14 05:09:31,208 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 40 states have (on average 2.45) internal successors, (98), 39 states have internal predecessors, (98), 21 states have call successors, (40), 9 states have call predecessors, (40), 16 states have return successors, (43), 20 states have call predecessors, (43), 21 states have call successors, (43) Word has length 128 [2022-12-14 05:09:31,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:09:31,217 INFO L225 Difference]: With dead ends: 7565 [2022-12-14 05:09:31,217 INFO L226 Difference]: Without dead ends: 7565 [2022-12-14 05:09:31,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 359 SyntacticMatches, 12 SemanticMatches, 82 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 1882 ImplicationChecksByTransitivity, 23.0s TimeCoverageRelationStatistics Valid=701, Invalid=5138, Unknown=41, NotChecked=1092, Total=6972 [2022-12-14 05:09:31,219 INFO L413 NwaCegarLoop]: 1423 mSDtfsCounter, 7556 mSDsluCounter, 19153 mSDsCounter, 0 mSdLazyCounter, 49431 mSolverCounterSat, 2535 mSolverCounterUnsat, 1017 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 282.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7732 SdHoareTripleChecker+Valid, 20576 SdHoareTripleChecker+Invalid, 79369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.6s SdHoareTripleChecker+Time, 2535 IncrementalHoareTripleChecker+Valid, 49431 IncrementalHoareTripleChecker+Invalid, 1017 IncrementalHoareTripleChecker+Unknown, 26386 IncrementalHoareTripleChecker+Unchecked, 301.2s IncrementalHoareTripleChecker+Time [2022-12-14 05:09:31,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7732 Valid, 20576 Invalid, 79369 Unknown, 0 Unchecked, 0.6s Time], IncrementalHoareTripleChecker [2535 Valid, 49431 Invalid, 1017 Unknown, 26386 Unchecked, 301.2s Time] [2022-12-14 05:09:31,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7565 states. [2022-12-14 05:09:31,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7565 to 5571. [2022-12-14 05:09:31,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5571 states, 3840 states have (on average 1.5356770833333333) internal successors, (5897), 4406 states have internal predecessors, (5897), 877 states have call successors, (877), 403 states have call predecessors, (877), 397 states have return successors, (1038), 800 states have call predecessors, (1038), 875 states have call successors, (1038) [2022-12-14 05:09:31,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5571 states to 5571 states and 7812 transitions. [2022-12-14 05:09:31,288 INFO L78 Accepts]: Start accepts. Automaton has 5571 states and 7812 transitions. Word has length 128 [2022-12-14 05:09:31,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:09:31,288 INFO L495 AbstractCegarLoop]: Abstraction has 5571 states and 7812 transitions. [2022-12-14 05:09:31,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 40 states have (on average 2.45) internal successors, (98), 39 states have internal predecessors, (98), 21 states have call successors, (40), 9 states have call predecessors, (40), 16 states have return successors, (43), 20 states have call predecessors, (43), 21 states have call successors, (43) [2022-12-14 05:09:31,288 INFO L276 IsEmpty]: Start isEmpty. Operand 5571 states and 7812 transitions. [2022-12-14 05:09:31,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-14 05:09:31,289 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:09:31,289 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-12-14 05:09:31,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Ended with exit code 0 [2022-12-14 05:09:31,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2022-12-14 05:09:31,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2022-12-14 05:09:31,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:09:31,892 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_freeErr0ASSERT_VIOLATIONMEMORY_FREE === [virtblk_update_cache_modeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, virtblk_update_cache_modeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 505 more)] === [2022-12-14 05:09:31,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:09:31,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1532876472, now seen corresponding path program 1 times [2022-12-14 05:09:31,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:09:31,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [29311507] [2022-12-14 05:09:31,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:09:31,896 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 05:09:31,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:09:31,897 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 05:09:31,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2022-12-14 05:09:32,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:09:32,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 819 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 05:09:32,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:09:32,805 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 9 proven. 14 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2022-12-14 05:09:32,805 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:09:33,048 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 9 proven. 14 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2022-12-14 05:09:33,049 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:09:33,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [29311507] [2022-12-14 05:09:33,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [29311507] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:09:33,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [368223017] [2022-12-14 05:09:33,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:09:33,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 05:09:33,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 05:09:33,050 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 05:09:33,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2022-12-14 05:09:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:09:33,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 819 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 05:09:33,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:09:33,711 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 9 proven. 14 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2022-12-14 05:09:33,711 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:09:33,958 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 9 proven. 14 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2022-12-14 05:09:33,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [368223017] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:09:33,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [405525341] [2022-12-14 05:09:33,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:09:33,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:09:33,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:09:33,961 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:09:33,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2022-12-14 05:09:34,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:09:34,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 819 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 05:09:34,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:09:34,548 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 9 proven. 14 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2022-12-14 05:09:34,548 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:09:34,781 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 9 proven. 14 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2022-12-14 05:09:34,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [405525341] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:09:34,781 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-12-14 05:09:34,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7, 7, 7, 7] total 7 [2022-12-14 05:09:34,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144861141] [2022-12-14 05:09:34,782 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-12-14 05:09:34,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 05:09:34,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:09:34,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 05:09:34,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-14 05:09:34,784 INFO L87 Difference]: Start difference. First operand 5571 states and 7812 transitions. Second operand has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) [2022-12-14 05:09:35,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:09:35,184 INFO L93 Difference]: Finished difference Result 5906 states and 8302 transitions. [2022-12-14 05:09:35,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 05:09:35,185 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) Word has length 130 [2022-12-14 05:09:35,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:09:35,193 INFO L225 Difference]: With dead ends: 5906 [2022-12-14 05:09:35,193 INFO L226 Difference]: Without dead ends: 5906 [2022-12-14 05:09:35,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 777 GetRequests, 769 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-12-14 05:09:35,194 INFO L413 NwaCegarLoop]: 2347 mSDtfsCounter, 718 mSDsluCounter, 13166 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 858 SdHoareTripleChecker+Valid, 15513 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 05:09:35,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [858 Valid, 15513 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 05:09:35,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5906 states. [2022-12-14 05:09:35,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5906 to 5601. [2022-12-14 05:09:35,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5601 states, 3865 states have (on average 1.5347994825355757) internal successors, (5932), 4431 states have internal predecessors, (5932), 877 states have call successors, (877), 408 states have call predecessors, (877), 402 states have return successors, (1038), 800 states have call predecessors, (1038), 875 states have call successors, (1038) [2022-12-14 05:09:35,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5601 states to 5601 states and 7847 transitions. [2022-12-14 05:09:35,257 INFO L78 Accepts]: Start accepts. Automaton has 5601 states and 7847 transitions. Word has length 130 [2022-12-14 05:09:35,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:09:35,257 INFO L495 AbstractCegarLoop]: Abstraction has 5601 states and 7847 transitions. [2022-12-14 05:09:35,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) [2022-12-14 05:09:35,258 INFO L276 IsEmpty]: Start isEmpty. Operand 5601 states and 7847 transitions. [2022-12-14 05:09:35,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-14 05:09:35,258 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:09:35,258 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-12-14 05:09:35,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Ended with exit code 0 [2022-12-14 05:09:35,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2022-12-14 05:09:35,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2022-12-14 05:09:35,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt [2022-12-14 05:09:35,861 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [virtblk_update_cache_modeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, virtblk_update_cache_modeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 505 more)] === [2022-12-14 05:09:35,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:09:35,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1504030640, now seen corresponding path program 1 times [2022-12-14 05:09:35,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:09:35,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [714020136] [2022-12-14 05:09:35,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:09:35,865 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 05:09:35,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:09:35,866 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 05:09:35,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2022-12-14 05:09:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:09:37,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 846 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 05:09:37,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:09:37,302 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-12-14 05:09:37,797 INFO L321 Elim1Store]: treesize reduction 52, result has 30.7 percent of original size [2022-12-14 05:09:37,797 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 38 [2022-12-14 05:09:37,887 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2022-12-14 05:09:37,887 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:09:37,887 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:09:37,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [714020136] [2022-12-14 05:09:37,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [714020136] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:09:37,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:09:37,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 05:09:37,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762728290] [2022-12-14 05:09:37,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:09:37,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 05:09:37,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:09:37,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 05:09:37,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-14 05:09:37,889 INFO L87 Difference]: Start difference. First operand 5601 states and 7847 transitions. Second operand has 8 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) [2022-12-14 05:09:57,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:09:57,789 INFO L93 Difference]: Finished difference Result 6003 states and 8377 transitions. [2022-12-14 05:09:57,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 05:09:57,790 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) Word has length 130 [2022-12-14 05:09:57,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:09:57,797 INFO L225 Difference]: With dead ends: 6003 [2022-12-14 05:09:57,798 INFO L226 Difference]: Without dead ends: 6003 [2022-12-14 05:09:57,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 116 SyntacticMatches, 7 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-12-14 05:09:57,798 INFO L413 NwaCegarLoop]: 1850 mSDtfsCounter, 1896 mSDsluCounter, 6565 mSDsCounter, 0 mSdLazyCounter, 4752 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1898 SdHoareTripleChecker+Valid, 8415 SdHoareTripleChecker+Invalid, 4820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 4752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2022-12-14 05:09:57,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1898 Valid, 8415 Invalid, 4820 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [68 Valid, 4752 Invalid, 0 Unknown, 0 Unchecked, 19.6s Time] [2022-12-14 05:09:57,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6003 states. [2022-12-14 05:09:57,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6003 to 5601. [2022-12-14 05:09:57,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5601 states, 3865 states have (on average 1.5345407503234152) internal successors, (5931), 4431 states have internal predecessors, (5931), 877 states have call successors, (877), 408 states have call predecessors, (877), 402 states have return successors, (1038), 800 states have call predecessors, (1038), 875 states have call successors, (1038) [2022-12-14 05:09:57,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5601 states to 5601 states and 7846 transitions. [2022-12-14 05:09:57,860 INFO L78 Accepts]: Start accepts. Automaton has 5601 states and 7846 transitions. Word has length 130 [2022-12-14 05:09:57,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:09:57,860 INFO L495 AbstractCegarLoop]: Abstraction has 5601 states and 7846 transitions. [2022-12-14 05:09:57,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) [2022-12-14 05:09:57,861 INFO L276 IsEmpty]: Start isEmpty. Operand 5601 states and 7846 transitions. [2022-12-14 05:09:57,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-14 05:09:57,861 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:09:57,861 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-12-14 05:09:57,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Ended with exit code 0 [2022-12-14 05:09:58,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 05:09:58,063 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [virtblk_update_cache_modeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, virtblk_update_cache_modeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 505 more)] === [2022-12-14 05:09:58,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:09:58,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1504030641, now seen corresponding path program 1 times [2022-12-14 05:09:58,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:09:58,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [522055391] [2022-12-14 05:09:58,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:09:58,067 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 05:09:58,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:09:58,070 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 05:09:58,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2022-12-14 05:09:59,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:09:59,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 846 conjuncts, 40 conjunts are in the unsatisfiable core [2022-12-14 05:09:59,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:09:59,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-12-14 05:09:59,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:10:02,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:10:02,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:10:02,222 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 05:10:02,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 23 [2022-12-14 05:10:02,272 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-12-14 05:10:02,272 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2022-12-14 05:10:02,474 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2022-12-14 05:10:02,474 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:10:02,474 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:10:02,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [522055391] [2022-12-14 05:10:02,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [522055391] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:10:02,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:10:02,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-14 05:10:02,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262142845] [2022-12-14 05:10:02,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:10:02,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 05:10:02,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:10:02,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 05:10:02,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2022-12-14 05:10:02,477 INFO L87 Difference]: Start difference. First operand 5601 states and 7846 transitions. Second operand has 15 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 4 states have call successors, (15), 3 states have call predecessors, (15), 6 states have return successors, (15), 6 states have call predecessors, (15), 4 states have call successors, (15) [2022-12-14 05:11:53,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:11:53,419 INFO L93 Difference]: Finished difference Result 7826 states and 10788 transitions. [2022-12-14 05:11:53,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-14 05:11:53,420 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 4 states have call successors, (15), 3 states have call predecessors, (15), 6 states have return successors, (15), 6 states have call predecessors, (15), 4 states have call successors, (15) Word has length 130 [2022-12-14 05:11:53,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:11:53,429 INFO L225 Difference]: With dead ends: 7826 [2022-12-14 05:11:53,429 INFO L226 Difference]: Without dead ends: 7826 [2022-12-14 05:11:53,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 112 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=86, Invalid=376, Unknown=0, NotChecked=0, Total=462 [2022-12-14 05:11:53,429 INFO L413 NwaCegarLoop]: 2781 mSDtfsCounter, 1817 mSDsluCounter, 20510 mSDsCounter, 0 mSdLazyCounter, 15399 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 99.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1889 SdHoareTripleChecker+Valid, 23291 SdHoareTripleChecker+Invalid, 15433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 15399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 109.2s IncrementalHoareTripleChecker+Time [2022-12-14 05:11:53,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1889 Valid, 23291 Invalid, 15433 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [34 Valid, 15399 Invalid, 0 Unknown, 0 Unchecked, 109.2s Time] [2022-12-14 05:11:53,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7826 states. [2022-12-14 05:11:53,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7826 to 6885. [2022-12-14 05:11:53,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6885 states, 4885 states have (on average 1.568270214943705) internal successors, (7661), 5468 states have internal predecessors, (7661), 1046 states have call successors, (1046), 514 states have call predecessors, (1046), 497 states have return successors, (1268), 945 states have call predecessors, (1268), 1044 states have call successors, (1268) [2022-12-14 05:11:53,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6885 states to 6885 states and 9975 transitions. [2022-12-14 05:11:53,506 INFO L78 Accepts]: Start accepts. Automaton has 6885 states and 9975 transitions. Word has length 130 [2022-12-14 05:11:53,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:11:53,507 INFO L495 AbstractCegarLoop]: Abstraction has 6885 states and 9975 transitions. [2022-12-14 05:11:53,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 4 states have call successors, (15), 3 states have call predecessors, (15), 6 states have return successors, (15), 6 states have call predecessors, (15), 4 states have call successors, (15) [2022-12-14 05:11:53,507 INFO L276 IsEmpty]: Start isEmpty. Operand 6885 states and 9975 transitions. [2022-12-14 05:11:53,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-12-14 05:11:53,508 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:11:53,508 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-12-14 05:11:53,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Ended with exit code 0 [2022-12-14 05:11:53,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 05:11:53,708 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_freeErr1ASSERT_VIOLATIONMEMORY_FREE === [virtblk_update_cache_modeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, virtblk_update_cache_modeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 505 more)] === [2022-12-14 05:11:53,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:11:53,708 INFO L85 PathProgramCache]: Analyzing trace with hash 274531678, now seen corresponding path program 1 times [2022-12-14 05:11:53,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:11:53,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1128329130] [2022-12-14 05:11:53,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:11:53,709 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 05:11:53,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:11:53,710 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 05:11:53,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2022-12-14 05:11:54,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:11:54,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-14 05:11:54,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:11:59,523 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 87 proven. 59 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-12-14 05:11:59,523 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:12:02,795 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 27 proven. 30 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-12-14 05:12:02,795 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:12:02,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1128329130] [2022-12-14 05:12:02,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1128329130] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:12:02,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [926297241] [2022-12-14 05:12:02,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:12:02,796 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 05:12:02,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 05:12:02,797 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 05:12:02,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2022-12-14 05:12:03,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:12:03,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 05:12:03,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:12:03,823 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 136 proven. 14 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-12-14 05:12:03,823 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:12:04,148 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2022-12-14 05:12:04,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [926297241] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:12:04,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833065542] [2022-12-14 05:12:04,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:12:04,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:12:04,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:12:04,149 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:12:04,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881c513e-d6b5-472b-8872-7c3cb79f06e3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2022-12-14 05:12:04,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:12:04,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-14 05:12:04,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:12:07,460 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 124 proven. 54 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-12-14 05:12:07,460 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:12:08,618 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 27 proven. 30 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-12-14 05:12:08,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [833065542] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:12:08,619 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-12-14 05:12:08,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 13, 8, 7, 16, 13] total 43 [2022-12-14 05:12:08,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166323218] [2022-12-14 05:12:08,619 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-12-14 05:12:08,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-12-14 05:12:08,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:12:08,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-12-14 05:12:08,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=1681, Unknown=0, NotChecked=0, Total=1892 [2022-12-14 05:12:08,622 INFO L87 Difference]: Start difference. First operand 6885 states and 9975 transitions. Second operand has 44 states, 35 states have (on average 3.8285714285714287) internal successors, (134), 32 states have internal predecessors, (134), 15 states have call successors, (54), 6 states have call predecessors, (54), 12 states have return successors, (53), 20 states have call predecessors, (53), 15 states have call successors, (53)