./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_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/config/AutomizerMemDerefMemtrack.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_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8 --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 Automizer --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 [2022-12-13 18:10:00,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:10:00,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:10:00,778 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:10:00,779 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:10:00,780 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:10:00,781 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:10:00,782 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:10:00,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:10:00,785 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:10:00,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:10:00,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:10:00,787 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:10:00,788 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:10:00,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:10:00,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:10:00,792 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:10:00,793 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:10:00,794 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:10:00,796 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:10:00,797 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:10:00,798 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:10:00,799 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:10:00,800 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:10:00,804 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:10:00,804 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:10:00,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:10:00,805 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:10:00,806 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:10:00,807 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:10:00,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:10:00,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:10:00,808 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:10:00,809 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:10:00,810 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:10:00,810 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:10:00,811 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:10:00,811 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:10:00,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:10:00,812 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:10:00,813 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:10:00,814 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2022-12-13 18:10:00,834 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:10:00,834 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:10:00,834 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:10:00,835 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:10:00,835 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:10:00,836 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:10:00,836 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:10:00,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:10:00,837 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:10:00,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:10:00,837 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:10:00,837 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:10:00,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:10:00,838 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-13 18:10:00,838 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-13 18:10:00,838 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-13 18:10:00,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:10:00,838 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 18:10:00,839 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:10:00,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:10:00,839 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:10:00,839 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:10:00,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:10:00,840 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:10:00,840 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:10:00,840 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:10:00,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 18:10:00,840 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:10:00,841 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:10:00,841 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:10:00,841 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:10:00,841 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc21d3f2365aa3e9759266a2897b17abd63f704e2f2c46d2220f73d4b814d4db [2022-12-13 18:10:01,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:10:01,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:10:01,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:10:01,059 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:10:01,059 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:10:01,060 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i [2022-12-13 18:10:03,677 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:10:04,070 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:10:04,070 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i [2022-12-13 18:10:04,099 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/data/5b0deeba4/d74d54adc89c4558bf8cae2b5e770196/FLAG12c0a6fa2 [2022-12-13 18:10:04,111 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/data/5b0deeba4/d74d54adc89c4558bf8cae2b5e770196 [2022-12-13 18:10:04,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:10:04,114 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:10:04,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:10:04,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:10:04,118 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:10:04,118 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:10:04" (1/1) ... [2022-12-13 18:10:04,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fea9ad2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:10:04, skipping insertion in model container [2022-12-13 18:10:04,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:10:04" (1/1) ... [2022-12-13 18:10:04,126 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:10:04,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:10:05,045 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 18:10:05,068 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 18:10:05,287 WARN L623 FunctionHandler]: Unknown extern function virtio_check_driver_offered_feature [2022-12-13 18:10:05,384 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-13 18:10:05,387 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-13 18:10:05,389 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-13 18:10:05,390 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-13 18:10:05,391 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-13 18:10:05,391 WARN L623 FunctionHandler]: Unknown extern function virtqueue_add_sgs [2022-12-13 18:10:05,397 WARN L623 FunctionHandler]: Unknown extern function blk_mq_end_request [2022-12-13 18:10:05,402 WARN L623 FunctionHandler]: Unknown extern function virtqueue_disable_cb [2022-12-13 18:10:05,402 WARN L623 FunctionHandler]: Unknown extern function blk_mq_complete_request [2022-12-13 18:10:05,402 WARN L623 FunctionHandler]: Unknown extern function virtqueue_get_buf [2022-12-13 18:10:05,403 WARN L623 FunctionHandler]: Unknown extern function virtqueue_is_broken [2022-12-13 18:10:05,404 WARN L623 FunctionHandler]: Unknown extern function virtqueue_enable_cb [2022-12-13 18:10:05,404 WARN L623 FunctionHandler]: Unknown extern function blk_mq_start_stopped_hw_queues [2022-12-13 18:10:05,413 WARN L623 FunctionHandler]: Unknown extern function blk_mq_start_request [2022-12-13 18:10:05,413 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_sg [2022-12-13 18:10:05,416 WARN L623 FunctionHandler]: Unknown extern function virtqueue_kick [2022-12-13 18:10:05,416 WARN L623 FunctionHandler]: Unknown extern function blk_mq_stop_hw_queue [2022-12-13 18:10:05,417 WARN L623 FunctionHandler]: Unknown extern function virtqueue_kick_prepare [2022-12-13 18:10:05,418 WARN L623 FunctionHandler]: Unknown extern function virtqueue_notify [2022-12-13 18:10:05,422 WARN L623 FunctionHandler]: Unknown extern function bio_map_kern [2022-12-13 18:10:05,424 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-12-13 18:10:05,424 WARN L623 FunctionHandler]: Unknown extern function blk_execute_rq [2022-12-13 18:10:05,428 WARN L623 FunctionHandler]: Unknown extern function scsi_cmd_blk_ioctl [2022-12-13 18:10:05,449 WARN L569 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-12-13 18:10:05,449 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_322 [2022-12-13 18:10:05,456 WARN L569 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-12-13 18:10:05,458 WARN L623 FunctionHandler]: Unknown extern function string_get_size [2022-12-13 18:10:05,459 WARN L623 FunctionHandler]: Unknown extern function string_get_size [2022-12-13 18:10:05,459 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-12-13 18:10:05,460 WARN L623 FunctionHandler]: Unknown extern function revalidate_disk [2022-12-13 18:10:05,460 WARN L623 FunctionHandler]: Unknown extern function kobject_uevent_env [2022-12-13 18:10:05,472 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 18:10:05,473 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:10:05,473 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:10:05,473 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:10:05,473 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:10:05,487 WARN L623 FunctionHandler]: Unknown extern function blk_queue_flush [2022-12-13 18:10:05,487 WARN L623 FunctionHandler]: Unknown extern function blk_queue_flush [2022-12-13 18:10:05,487 WARN L623 FunctionHandler]: Unknown extern function revalidate_disk [2022-12-13 18:10:05,491 WARN L569 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-12-13 18:10:05,492 WARN L623 FunctionHandler]: Unknown extern function sysfs_streq [2022-12-13 18:10:05,496 WARN L569 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-12-13 18:10:05,501 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-12-13 18:10:05,506 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:10:05,506 WARN L623 FunctionHandler]: Unknown extern function ida_simple_get [2022-12-13 18:10:05,508 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 18:10:05,509 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 18:10:05,510 WARN L623 FunctionHandler]: Unknown extern function blk_mq_alloc_tag_set [2022-12-13 18:10:05,511 WARN L623 FunctionHandler]: Unknown extern function blk_mq_init_queue [2022-12-13 18:10:05,513 WARN L623 FunctionHandler]: Unknown extern function set_disk_ro [2022-12-13 18:10:05,514 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segments [2022-12-13 18:10:05,514 WARN L623 FunctionHandler]: Unknown extern function blk_queue_bounce_limit [2022-12-13 18:10:05,514 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_hw_sectors [2022-12-13 18:10:05,515 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-12-13 18:10:05,516 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-12-13 18:10:05,517 WARN L623 FunctionHandler]: Unknown extern function blk_queue_logical_block_size [2022-12-13 18:10:05,518 WARN L623 FunctionHandler]: Unknown extern function blk_queue_physical_block_size [2022-12-13 18:10:05,519 WARN L623 FunctionHandler]: Unknown extern function blk_queue_alignment_offset [2022-12-13 18:10:05,520 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_min [2022-12-13 18:10:05,521 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_opt [2022-12-13 18:10:05,522 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-13 18:10:05,522 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-13 18:10:05,523 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-13 18:10:05,523 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_tag_set [2022-12-13 18:10:05,524 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:10:05,524 WARN L623 FunctionHandler]: Unknown extern function ida_simple_remove [2022-12-13 18:10:05,528 WARN L623 FunctionHandler]: Unknown extern function flush_work [2022-12-13 18:10:05,529 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_tag_set [2022-12-13 18:10:05,529 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:10:05,530 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:10:05,530 WARN L623 FunctionHandler]: Unknown extern function ida_simple_remove [2022-12-13 18:10:05,533 WARN L623 FunctionHandler]: Unknown extern function flush_work [2022-12-13 18:10:05,534 WARN L623 FunctionHandler]: Unknown extern function blk_mq_stop_hw_queues [2022-12-13 18:10:05,537 WARN L623 FunctionHandler]: Unknown extern function blk_mq_start_stopped_hw_queues [2022-12-13 18:10:05,542 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-13 18:10:05,542 WARN L623 FunctionHandler]: Unknown extern function register_blkdev [2022-12-13 18:10:05,543 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-12-13 18:10:05,544 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-13 18:10:05,547 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-12-13 18:10:05,547 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-13 18:10:05,619 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 18:10:05,620 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-13 18:10:05,620 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-13 18:10:05,621 WARN L623 FunctionHandler]: Unknown extern function alloc_disk [2022-12-13 18:10:05,621 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-12-13 18:10:05,621 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-12-13 18:10:05,622 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-12-13 18:10:05,622 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-13 18:10:05,622 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-12-13 18:10:05,622 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-12-13 18:10:05,622 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-13 18:10:05,623 WARN L623 FunctionHandler]: Unknown extern function register_virtio_driver [2022-12-13 18:10:05,623 WARN L623 FunctionHandler]: Unknown extern function unregister_virtio_driver [2022-12-13 18:10:05,942 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 18:10:06,101 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 18:10:06,403 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[300556,300569] [2022-12-13 18:10:06,405 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[300701,300714] [2022-12-13 18:10:06,406 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[300847,300860] [2022-12-13 18:10:06,406 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301012,301025] [2022-12-13 18:10:06,407 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301170,301183] [2022-12-13 18:10:06,407 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301328,301341] [2022-12-13 18:10:06,408 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301486,301499] [2022-12-13 18:10:06,408 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301646,301659] [2022-12-13 18:10:06,409 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301805,301818] [2022-12-13 18:10:06,409 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301944,301957] [2022-12-13 18:10:06,410 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302086,302099] [2022-12-13 18:10:06,410 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302235,302248] [2022-12-13 18:10:06,411 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302374,302387] [2022-12-13 18:10:06,411 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302529,302542] [2022-12-13 18:10:06,411 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302689,302702] [2022-12-13 18:10:06,412 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302840,302853] [2022-12-13 18:10:06,412 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302991,303004] [2022-12-13 18:10:06,412 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303143,303156] [2022-12-13 18:10:06,413 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303292,303305] [2022-12-13 18:10:06,413 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303440,303453] [2022-12-13 18:10:06,414 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303597,303610] [2022-12-13 18:10:06,414 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303746,303759] [2022-12-13 18:10:06,414 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303902,303915] [2022-12-13 18:10:06,415 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304055,304068] [2022-12-13 18:10:06,415 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304201,304214] [2022-12-13 18:10:06,415 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304344,304357] [2022-12-13 18:10:06,416 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304496,304509] [2022-12-13 18:10:06,416 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304642,304655] [2022-12-13 18:10:06,417 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304787,304800] [2022-12-13 18:10:06,417 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304941,304954] [2022-12-13 18:10:06,417 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305092,305105] [2022-12-13 18:10:06,418 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305247,305260] [2022-12-13 18:10:06,418 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305399,305412] [2022-12-13 18:10:06,419 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305554,305567] [2022-12-13 18:10:06,419 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305718,305731] [2022-12-13 18:10:06,419 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305874,305887] [2022-12-13 18:10:06,420 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306038,306051] [2022-12-13 18:10:06,420 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306180,306193] [2022-12-13 18:10:06,421 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306338,306351] [2022-12-13 18:10:06,421 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306505,306518] [2022-12-13 18:10:06,421 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306664,306677] [2022-12-13 18:10:06,422 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306823,306836] [2022-12-13 18:10:06,422 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306972,306985] [2022-12-13 18:10:06,423 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307119,307132] [2022-12-13 18:10:06,423 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307258,307271] [2022-12-13 18:10:06,423 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307421,307434] [2022-12-13 18:10:06,424 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307587,307600] [2022-12-13 18:10:06,424 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307751,307764] [2022-12-13 18:10:06,425 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307916,307929] [2022-12-13 18:10:06,425 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308081,308094] [2022-12-13 18:10:06,425 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308247,308260] [2022-12-13 18:10:06,425 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308412,308425] [2022-12-13 18:10:06,426 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308579,308592] [2022-12-13 18:10:06,426 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308739,308752] [2022-12-13 18:10:06,427 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308901,308914] [2022-12-13 18:10:06,427 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309060,309073] [2022-12-13 18:10:06,427 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309206,309219] [2022-12-13 18:10:06,428 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309349,309362] [2022-12-13 18:10:06,428 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309493,309506] [2022-12-13 18:10:06,429 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309636,309649] [2022-12-13 18:10:06,429 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309780,309793] [2022-12-13 18:10:06,429 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309921,309934] [2022-12-13 18:10:06,430 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310059,310072] [2022-12-13 18:10:06,430 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310217,310230] [2022-12-13 18:10:06,431 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310376,310389] [2022-12-13 18:10:06,431 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310532,310545] [2022-12-13 18:10:06,432 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310681,310694] [2022-12-13 18:10:06,432 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310833,310846] [2022-12-13 18:10:06,432 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310984,310997] [2022-12-13 18:10:06,432 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311133,311146] [2022-12-13 18:10:06,433 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311285,311298] [2022-12-13 18:10:06,433 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311433,311446] [2022-12-13 18:10:06,434 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311586,311599] [2022-12-13 18:10:06,434 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311737,311750] [2022-12-13 18:10:06,434 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311887,311900] [2022-12-13 18:10:06,435 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312034,312047] [2022-12-13 18:10:06,435 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312185,312198] [2022-12-13 18:10:06,436 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312336,312349] [2022-12-13 18:10:06,436 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312484,312497] [2022-12-13 18:10:06,436 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312650,312663] [2022-12-13 18:10:06,436 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312819,312832] [2022-12-13 18:10:06,437 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312986,312999] [2022-12-13 18:10:06,437 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313154,313167] [2022-12-13 18:10:06,437 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313304,313317] [2022-12-13 18:10:06,438 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313451,313464] [2022-12-13 18:10:06,438 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313612,313625] [2022-12-13 18:10:06,438 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313782,313795] [2022-12-13 18:10:06,439 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313944,313957] [2022-12-13 18:10:06,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:10:06,463 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) [2022-12-13 18:10:06,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6dfd3c97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:10:06, skipping insertion in model container [2022-12-13 18:10:06,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:10:06,464 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-13 18:10:06,465 INFO L158 Benchmark]: Toolchain (without parser) took 2350.54ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 77.8MB in the beginning and 86.0MB in the end (delta: -8.3MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. [2022-12-13 18:10:06,465 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 130.0MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:10:06,466 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2348.94ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 77.3MB in the beginning and 86.0MB in the end (delta: -8.8MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. [2022-12-13 18:10:06,466 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 130.0MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2348.94ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 77.3MB in the beginning and 86.0MB in the end (delta: -8.8MB). Peak memory consumption was 56.3MB. 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_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/config/AutomizerMemDerefMemtrack.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_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8 --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 Automizer --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 [2022-12-13 18:10:07,892 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:10:07,894 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:10:07,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:10:07,912 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:10:07,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:10:07,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:10:07,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:10:07,917 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:10:07,918 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:10:07,919 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:10:07,920 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:10:07,920 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:10:07,921 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:10:07,922 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:10:07,923 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:10:07,924 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:10:07,925 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:10:07,926 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:10:07,928 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:10:07,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:10:07,931 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:10:07,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:10:07,932 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:10:07,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:10:07,936 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:10:07,936 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:10:07,937 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:10:07,938 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:10:07,938 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:10:07,939 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:10:07,939 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:10:07,940 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:10:07,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:10:07,947 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:10:07,948 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:10:07,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:10:07,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:10:07,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:10:07,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:10:07,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:10:07,951 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2022-12-13 18:10:07,966 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:10:07,966 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:10:07,966 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:10:07,967 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:10:07,967 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:10:07,967 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:10:07,968 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:10:07,968 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:10:07,968 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:10:07,968 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:10:07,968 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:10:07,968 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:10:07,968 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:10:07,969 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-13 18:10:07,969 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-13 18:10:07,969 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-13 18:10:07,969 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:10:07,969 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 18:10:07,969 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 18:10:07,969 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 18:10:07,969 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:10:07,969 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:10:07,970 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:10:07,970 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:10:07,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:10:07,970 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:10:07,970 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:10:07,970 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 18:10:07,970 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 18:10:07,970 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:10:07,971 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:10:07,971 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:10:07,971 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 18:10:07,971 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:10:07,971 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc21d3f2365aa3e9759266a2897b17abd63f704e2f2c46d2220f73d4b814d4db [2022-12-13 18:10:08,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:10:08,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:10:08,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:10:08,191 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:10:08,191 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:10:08,193 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i [2022-12-13 18:10:10,774 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:10:11,197 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:10:11,198 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i [2022-12-13 18:10:11,221 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/data/b15bae8fa/d375426e947941a8a2ffca993d79eaf2/FLAG414059912 [2022-12-13 18:10:11,232 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/data/b15bae8fa/d375426e947941a8a2ffca993d79eaf2 [2022-12-13 18:10:11,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:10:11,235 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:10:11,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:10:11,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:10:11,239 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:10:11,239 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:10:11" (1/1) ... [2022-12-13 18:10:11,240 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59cc4288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:10:11, skipping insertion in model container [2022-12-13 18:10:11,240 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:10:11" (1/1) ... [2022-12-13 18:10:11,246 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:10:11,354 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:10:11,992 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 18:10:12,023 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 18:10:12,264 WARN L623 FunctionHandler]: Unknown extern function virtio_check_driver_offered_feature [2022-12-13 18:10:12,385 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-13 18:10:12,389 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-13 18:10:12,393 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-13 18:10:12,394 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-13 18:10:12,395 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-13 18:10:12,396 WARN L623 FunctionHandler]: Unknown extern function virtqueue_add_sgs [2022-12-13 18:10:12,404 WARN L623 FunctionHandler]: Unknown extern function blk_mq_end_request [2022-12-13 18:10:12,410 WARN L623 FunctionHandler]: Unknown extern function virtqueue_disable_cb [2022-12-13 18:10:12,410 WARN L623 FunctionHandler]: Unknown extern function blk_mq_complete_request [2022-12-13 18:10:12,411 WARN L623 FunctionHandler]: Unknown extern function virtqueue_get_buf [2022-12-13 18:10:12,412 WARN L623 FunctionHandler]: Unknown extern function virtqueue_is_broken [2022-12-13 18:10:12,413 WARN L623 FunctionHandler]: Unknown extern function virtqueue_enable_cb [2022-12-13 18:10:12,414 WARN L623 FunctionHandler]: Unknown extern function blk_mq_start_stopped_hw_queues [2022-12-13 18:10:12,426 WARN L623 FunctionHandler]: Unknown extern function blk_mq_start_request [2022-12-13 18:10:12,426 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_sg [2022-12-13 18:10:12,430 WARN L623 FunctionHandler]: Unknown extern function virtqueue_kick [2022-12-13 18:10:12,430 WARN L623 FunctionHandler]: Unknown extern function blk_mq_stop_hw_queue [2022-12-13 18:10:12,432 WARN L623 FunctionHandler]: Unknown extern function virtqueue_kick_prepare [2022-12-13 18:10:12,433 WARN L623 FunctionHandler]: Unknown extern function virtqueue_notify [2022-12-13 18:10:12,438 WARN L623 FunctionHandler]: Unknown extern function bio_map_kern [2022-12-13 18:10:12,441 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-12-13 18:10:12,441 WARN L623 FunctionHandler]: Unknown extern function blk_execute_rq [2022-12-13 18:10:12,448 WARN L623 FunctionHandler]: Unknown extern function scsi_cmd_blk_ioctl [2022-12-13 18:10:12,475 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_322 [2022-12-13 18:10:12,488 WARN L623 FunctionHandler]: Unknown extern function string_get_size [2022-12-13 18:10:12,488 WARN L623 FunctionHandler]: Unknown extern function string_get_size [2022-12-13 18:10:12,489 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-12-13 18:10:12,490 WARN L623 FunctionHandler]: Unknown extern function revalidate_disk [2022-12-13 18:10:12,490 WARN L623 FunctionHandler]: Unknown extern function kobject_uevent_env [2022-12-13 18:10:12,506 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 18:10:12,508 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:10:12,509 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:10:12,509 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:10:12,509 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:10:12,527 WARN L623 FunctionHandler]: Unknown extern function blk_queue_flush [2022-12-13 18:10:12,527 WARN L623 FunctionHandler]: Unknown extern function blk_queue_flush [2022-12-13 18:10:12,528 WARN L623 FunctionHandler]: Unknown extern function revalidate_disk [2022-12-13 18:10:12,533 WARN L623 FunctionHandler]: Unknown extern function sysfs_streq [2022-12-13 18:10:12,545 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-12-13 18:10:12,552 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:10:12,553 WARN L623 FunctionHandler]: Unknown extern function ida_simple_get [2022-12-13 18:10:12,556 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 18:10:12,556 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 18:10:12,560 WARN L623 FunctionHandler]: Unknown extern function blk_mq_alloc_tag_set [2022-12-13 18:10:12,560 WARN L623 FunctionHandler]: Unknown extern function blk_mq_init_queue [2022-12-13 18:10:12,563 WARN L623 FunctionHandler]: Unknown extern function set_disk_ro [2022-12-13 18:10:12,565 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segments [2022-12-13 18:10:12,565 WARN L623 FunctionHandler]: Unknown extern function blk_queue_bounce_limit [2022-12-13 18:10:12,566 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_hw_sectors [2022-12-13 18:10:12,567 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-12-13 18:10:12,568 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-12-13 18:10:12,569 WARN L623 FunctionHandler]: Unknown extern function blk_queue_logical_block_size [2022-12-13 18:10:12,571 WARN L623 FunctionHandler]: Unknown extern function blk_queue_physical_block_size [2022-12-13 18:10:12,573 WARN L623 FunctionHandler]: Unknown extern function blk_queue_alignment_offset [2022-12-13 18:10:12,575 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_min [2022-12-13 18:10:12,577 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_opt [2022-12-13 18:10:12,578 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-13 18:10:12,579 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-13 18:10:12,579 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-13 18:10:12,580 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_tag_set [2022-12-13 18:10:12,581 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:10:12,581 WARN L623 FunctionHandler]: Unknown extern function ida_simple_remove [2022-12-13 18:10:12,586 WARN L623 FunctionHandler]: Unknown extern function flush_work [2022-12-13 18:10:12,587 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_tag_set [2022-12-13 18:10:12,588 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:10:12,589 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:10:12,589 WARN L623 FunctionHandler]: Unknown extern function ida_simple_remove [2022-12-13 18:10:12,593 WARN L623 FunctionHandler]: Unknown extern function flush_work [2022-12-13 18:10:12,594 WARN L623 FunctionHandler]: Unknown extern function blk_mq_stop_hw_queues [2022-12-13 18:10:12,598 WARN L623 FunctionHandler]: Unknown extern function blk_mq_start_stopped_hw_queues [2022-12-13 18:10:12,604 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-13 18:10:12,605 WARN L623 FunctionHandler]: Unknown extern function register_blkdev [2022-12-13 18:10:12,606 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-12-13 18:10:12,607 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-13 18:10:12,611 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-12-13 18:10:12,612 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-13 18:10:12,702 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 18:10:12,702 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-13 18:10:12,703 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-13 18:10:12,703 WARN L623 FunctionHandler]: Unknown extern function alloc_disk [2022-12-13 18:10:12,704 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-12-13 18:10:12,704 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-12-13 18:10:12,705 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-12-13 18:10:12,705 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-13 18:10:12,705 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-12-13 18:10:12,705 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-12-13 18:10:12,706 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-13 18:10:12,706 WARN L623 FunctionHandler]: Unknown extern function register_virtio_driver [2022-12-13 18:10:12,707 WARN L623 FunctionHandler]: Unknown extern function unregister_virtio_driver [2022-12-13 18:10:13,037 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 18:10:13,165 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 18:10:13,437 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[300556,300569] [2022-12-13 18:10:13,439 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[300701,300714] [2022-12-13 18:10:13,439 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[300847,300860] [2022-12-13 18:10:13,439 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301012,301025] [2022-12-13 18:10:13,440 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301170,301183] [2022-12-13 18:10:13,440 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301328,301341] [2022-12-13 18:10:13,440 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301486,301499] [2022-12-13 18:10:13,441 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301646,301659] [2022-12-13 18:10:13,441 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301805,301818] [2022-12-13 18:10:13,441 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301944,301957] [2022-12-13 18:10:13,441 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302086,302099] [2022-12-13 18:10:13,442 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302235,302248] [2022-12-13 18:10:13,442 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302374,302387] [2022-12-13 18:10:13,442 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302529,302542] [2022-12-13 18:10:13,442 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302689,302702] [2022-12-13 18:10:13,443 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302840,302853] [2022-12-13 18:10:13,443 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302991,303004] [2022-12-13 18:10:13,443 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303143,303156] [2022-12-13 18:10:13,443 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303292,303305] [2022-12-13 18:10:13,444 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303440,303453] [2022-12-13 18:10:13,444 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303597,303610] [2022-12-13 18:10:13,444 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303746,303759] [2022-12-13 18:10:13,444 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303902,303915] [2022-12-13 18:10:13,445 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304055,304068] [2022-12-13 18:10:13,445 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304201,304214] [2022-12-13 18:10:13,445 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304344,304357] [2022-12-13 18:10:13,445 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304496,304509] [2022-12-13 18:10:13,446 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304642,304655] [2022-12-13 18:10:13,446 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304787,304800] [2022-12-13 18:10:13,446 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304941,304954] [2022-12-13 18:10:13,446 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305092,305105] [2022-12-13 18:10:13,447 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305247,305260] [2022-12-13 18:10:13,447 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305399,305412] [2022-12-13 18:10:13,447 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305554,305567] [2022-12-13 18:10:13,448 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305718,305731] [2022-12-13 18:10:13,448 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305874,305887] [2022-12-13 18:10:13,448 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306038,306051] [2022-12-13 18:10:13,448 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306180,306193] [2022-12-13 18:10:13,449 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306338,306351] [2022-12-13 18:10:13,449 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306505,306518] [2022-12-13 18:10:13,449 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306664,306677] [2022-12-13 18:10:13,449 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306823,306836] [2022-12-13 18:10:13,450 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306972,306985] [2022-12-13 18:10:13,450 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307119,307132] [2022-12-13 18:10:13,450 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307258,307271] [2022-12-13 18:10:13,450 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307421,307434] [2022-12-13 18:10:13,451 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307587,307600] [2022-12-13 18:10:13,451 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307751,307764] [2022-12-13 18:10:13,451 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307916,307929] [2022-12-13 18:10:13,451 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308081,308094] [2022-12-13 18:10:13,452 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308247,308260] [2022-12-13 18:10:13,452 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308412,308425] [2022-12-13 18:10:13,452 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308579,308592] [2022-12-13 18:10:13,452 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308739,308752] [2022-12-13 18:10:13,453 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308901,308914] [2022-12-13 18:10:13,453 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309060,309073] [2022-12-13 18:10:13,453 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309206,309219] [2022-12-13 18:10:13,453 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309349,309362] [2022-12-13 18:10:13,454 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309493,309506] [2022-12-13 18:10:13,454 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309636,309649] [2022-12-13 18:10:13,454 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309780,309793] [2022-12-13 18:10:13,455 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309921,309934] [2022-12-13 18:10:13,455 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310059,310072] [2022-12-13 18:10:13,455 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310217,310230] [2022-12-13 18:10:13,455 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310376,310389] [2022-12-13 18:10:13,456 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310532,310545] [2022-12-13 18:10:13,456 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310681,310694] [2022-12-13 18:10:13,456 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310833,310846] [2022-12-13 18:10:13,457 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310984,310997] [2022-12-13 18:10:13,457 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311133,311146] [2022-12-13 18:10:13,457 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311285,311298] [2022-12-13 18:10:13,457 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311433,311446] [2022-12-13 18:10:13,458 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311586,311599] [2022-12-13 18:10:13,458 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311737,311750] [2022-12-13 18:10:13,458 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311887,311900] [2022-12-13 18:10:13,458 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312034,312047] [2022-12-13 18:10:13,459 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312185,312198] [2022-12-13 18:10:13,459 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312336,312349] [2022-12-13 18:10:13,459 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312484,312497] [2022-12-13 18:10:13,459 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312650,312663] [2022-12-13 18:10:13,460 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312819,312832] [2022-12-13 18:10:13,460 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312986,312999] [2022-12-13 18:10:13,460 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313154,313167] [2022-12-13 18:10:13,460 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313304,313317] [2022-12-13 18:10:13,461 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313451,313464] [2022-12-13 18:10:13,461 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313612,313625] [2022-12-13 18:10:13,461 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313782,313795] [2022-12-13 18:10:13,461 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313944,313957] [2022-12-13 18:10:13,468 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:10:13,496 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-13 18:10:13,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:10:13,613 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 18:10:13,614 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 18:10:13,617 WARN L623 FunctionHandler]: Unknown extern function virtio_check_driver_offered_feature [2022-12-13 18:10:13,629 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-13 18:10:13,630 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-13 18:10:13,630 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-13 18:10:13,631 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-13 18:10:13,631 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-13 18:10:13,632 WARN L623 FunctionHandler]: Unknown extern function virtqueue_add_sgs [2022-12-13 18:10:13,633 WARN L623 FunctionHandler]: Unknown extern function blk_mq_end_request [2022-12-13 18:10:13,634 WARN L623 FunctionHandler]: Unknown extern function virtqueue_disable_cb [2022-12-13 18:10:13,634 WARN L623 FunctionHandler]: Unknown extern function blk_mq_complete_request [2022-12-13 18:10:13,634 WARN L623 FunctionHandler]: Unknown extern function virtqueue_get_buf [2022-12-13 18:10:13,635 WARN L623 FunctionHandler]: Unknown extern function virtqueue_is_broken [2022-12-13 18:10:13,640 WARN L623 FunctionHandler]: Unknown extern function virtqueue_enable_cb [2022-12-13 18:10:13,641 WARN L623 FunctionHandler]: Unknown extern function blk_mq_start_stopped_hw_queues [2022-12-13 18:10:13,645 WARN L623 FunctionHandler]: Unknown extern function blk_mq_start_request [2022-12-13 18:10:13,645 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_sg [2022-12-13 18:10:13,647 WARN L623 FunctionHandler]: Unknown extern function virtqueue_kick [2022-12-13 18:10:13,647 WARN L623 FunctionHandler]: Unknown extern function blk_mq_stop_hw_queue [2022-12-13 18:10:13,648 WARN L623 FunctionHandler]: Unknown extern function virtqueue_kick_prepare [2022-12-13 18:10:13,648 WARN L623 FunctionHandler]: Unknown extern function virtqueue_notify [2022-12-13 18:10:13,649 WARN L623 FunctionHandler]: Unknown extern function bio_map_kern [2022-12-13 18:10:13,650 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-12-13 18:10:13,650 WARN L623 FunctionHandler]: Unknown extern function blk_execute_rq [2022-12-13 18:10:13,651 WARN L623 FunctionHandler]: Unknown extern function scsi_cmd_blk_ioctl [2022-12-13 18:10:13,656 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_322 [2022-12-13 18:10:13,659 WARN L623 FunctionHandler]: Unknown extern function string_get_size [2022-12-13 18:10:13,660 WARN L623 FunctionHandler]: Unknown extern function string_get_size [2022-12-13 18:10:13,660 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-12-13 18:10:13,661 WARN L623 FunctionHandler]: Unknown extern function revalidate_disk [2022-12-13 18:10:13,661 WARN L623 FunctionHandler]: Unknown extern function kobject_uevent_env [2022-12-13 18:10:13,666 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 18:10:13,667 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:10:13,667 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:10:13,667 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:10:13,667 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:10:13,672 WARN L623 FunctionHandler]: Unknown extern function blk_queue_flush [2022-12-13 18:10:13,672 WARN L623 FunctionHandler]: Unknown extern function blk_queue_flush [2022-12-13 18:10:13,672 WARN L623 FunctionHandler]: Unknown extern function revalidate_disk [2022-12-13 18:10:13,674 WARN L623 FunctionHandler]: Unknown extern function sysfs_streq [2022-12-13 18:10:13,677 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-12-13 18:10:13,679 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:10:13,680 WARN L623 FunctionHandler]: Unknown extern function ida_simple_get [2022-12-13 18:10:13,681 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 18:10:13,682 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 18:10:13,684 WARN L623 FunctionHandler]: Unknown extern function blk_mq_alloc_tag_set [2022-12-13 18:10:13,684 WARN L623 FunctionHandler]: Unknown extern function blk_mq_init_queue [2022-12-13 18:10:13,685 WARN L623 FunctionHandler]: Unknown extern function set_disk_ro [2022-12-13 18:10:13,686 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segments [2022-12-13 18:10:13,686 WARN L623 FunctionHandler]: Unknown extern function blk_queue_bounce_limit [2022-12-13 18:10:13,687 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_hw_sectors [2022-12-13 18:10:13,688 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-12-13 18:10:13,688 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-12-13 18:10:13,689 WARN L623 FunctionHandler]: Unknown extern function blk_queue_logical_block_size [2022-12-13 18:10:13,690 WARN L623 FunctionHandler]: Unknown extern function blk_queue_physical_block_size [2022-12-13 18:10:13,691 WARN L623 FunctionHandler]: Unknown extern function blk_queue_alignment_offset [2022-12-13 18:10:13,692 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_min [2022-12-13 18:10:13,694 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_opt [2022-12-13 18:10:13,694 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-13 18:10:13,694 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-13 18:10:13,695 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-13 18:10:13,695 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_tag_set [2022-12-13 18:10:13,696 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:10:13,696 WARN L623 FunctionHandler]: Unknown extern function ida_simple_remove [2022-12-13 18:10:13,698 WARN L623 FunctionHandler]: Unknown extern function flush_work [2022-12-13 18:10:13,698 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_tag_set [2022-12-13 18:10:13,699 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:10:13,699 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:10:13,699 WARN L623 FunctionHandler]: Unknown extern function ida_simple_remove [2022-12-13 18:10:13,700 WARN L623 FunctionHandler]: Unknown extern function flush_work [2022-12-13 18:10:13,700 WARN L623 FunctionHandler]: Unknown extern function blk_mq_stop_hw_queues [2022-12-13 18:10:13,701 WARN L623 FunctionHandler]: Unknown extern function blk_mq_start_stopped_hw_queues [2022-12-13 18:10:13,703 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-13 18:10:13,703 WARN L623 FunctionHandler]: Unknown extern function register_blkdev [2022-12-13 18:10:13,704 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-12-13 18:10:13,704 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-13 18:10:13,705 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-12-13 18:10:13,705 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-13 18:10:13,713 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 18:10:13,714 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-13 18:10:13,714 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-13 18:10:13,715 WARN L623 FunctionHandler]: Unknown extern function alloc_disk [2022-12-13 18:10:13,715 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-12-13 18:10:13,715 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-12-13 18:10:13,715 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-12-13 18:10:13,716 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-13 18:10:13,716 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-12-13 18:10:13,716 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-12-13 18:10:13,716 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-13 18:10:13,717 WARN L623 FunctionHandler]: Unknown extern function register_virtio_driver [2022-12-13 18:10:13,717 WARN L623 FunctionHandler]: Unknown extern function unregister_virtio_driver [2022-12-13 18:10:13,734 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 18:10:13,748 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 18:10:13,775 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[300556,300569] [2022-12-13 18:10:13,776 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[300701,300714] [2022-12-13 18:10:13,776 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[300847,300860] [2022-12-13 18:10:13,777 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301012,301025] [2022-12-13 18:10:13,777 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301170,301183] [2022-12-13 18:10:13,777 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301328,301341] [2022-12-13 18:10:13,778 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301486,301499] [2022-12-13 18:10:13,778 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301646,301659] [2022-12-13 18:10:13,779 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301805,301818] [2022-12-13 18:10:13,779 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301944,301957] [2022-12-13 18:10:13,780 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302086,302099] [2022-12-13 18:10:13,785 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302235,302248] [2022-12-13 18:10:13,786 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302374,302387] [2022-12-13 18:10:13,786 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302529,302542] [2022-12-13 18:10:13,787 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302689,302702] [2022-12-13 18:10:13,787 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302840,302853] [2022-12-13 18:10:13,788 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302991,303004] [2022-12-13 18:10:13,788 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303143,303156] [2022-12-13 18:10:13,788 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303292,303305] [2022-12-13 18:10:13,789 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303440,303453] [2022-12-13 18:10:13,789 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303597,303610] [2022-12-13 18:10:13,789 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303746,303759] [2022-12-13 18:10:13,790 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303902,303915] [2022-12-13 18:10:13,790 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304055,304068] [2022-12-13 18:10:13,791 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304201,304214] [2022-12-13 18:10:13,791 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304344,304357] [2022-12-13 18:10:13,792 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304496,304509] [2022-12-13 18:10:13,792 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304642,304655] [2022-12-13 18:10:13,792 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304787,304800] [2022-12-13 18:10:13,793 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304941,304954] [2022-12-13 18:10:13,793 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305092,305105] [2022-12-13 18:10:13,794 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305247,305260] [2022-12-13 18:10:13,794 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305399,305412] [2022-12-13 18:10:13,794 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305554,305567] [2022-12-13 18:10:13,795 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305718,305731] [2022-12-13 18:10:13,795 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305874,305887] [2022-12-13 18:10:13,795 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306038,306051] [2022-12-13 18:10:13,796 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306180,306193] [2022-12-13 18:10:13,796 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306338,306351] [2022-12-13 18:10:13,797 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306505,306518] [2022-12-13 18:10:13,797 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306664,306677] [2022-12-13 18:10:13,797 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306823,306836] [2022-12-13 18:10:13,798 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306972,306985] [2022-12-13 18:10:13,798 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307119,307132] [2022-12-13 18:10:13,798 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307258,307271] [2022-12-13 18:10:13,799 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307421,307434] [2022-12-13 18:10:13,799 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307587,307600] [2022-12-13 18:10:13,800 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307751,307764] [2022-12-13 18:10:13,800 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307916,307929] [2022-12-13 18:10:13,800 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308081,308094] [2022-12-13 18:10:13,801 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308247,308260] [2022-12-13 18:10:13,801 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308412,308425] [2022-12-13 18:10:13,802 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308579,308592] [2022-12-13 18:10:13,802 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308739,308752] [2022-12-13 18:10:13,802 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308901,308914] [2022-12-13 18:10:13,803 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309060,309073] [2022-12-13 18:10:13,803 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309206,309219] [2022-12-13 18:10:13,803 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309349,309362] [2022-12-13 18:10:13,804 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309493,309506] [2022-12-13 18:10:13,804 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309636,309649] [2022-12-13 18:10:13,804 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309780,309793] [2022-12-13 18:10:13,805 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309921,309934] [2022-12-13 18:10:13,805 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310059,310072] [2022-12-13 18:10:13,805 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310217,310230] [2022-12-13 18:10:13,806 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310376,310389] [2022-12-13 18:10:13,806 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310532,310545] [2022-12-13 18:10:13,807 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310681,310694] [2022-12-13 18:10:13,807 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310833,310846] [2022-12-13 18:10:13,807 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310984,310997] [2022-12-13 18:10:13,808 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311133,311146] [2022-12-13 18:10:13,808 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311285,311298] [2022-12-13 18:10:13,808 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311433,311446] [2022-12-13 18:10:13,809 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311586,311599] [2022-12-13 18:10:13,809 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311737,311750] [2022-12-13 18:10:13,809 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311887,311900] [2022-12-13 18:10:13,810 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312034,312047] [2022-12-13 18:10:13,810 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312185,312198] [2022-12-13 18:10:13,811 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312336,312349] [2022-12-13 18:10:13,811 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312484,312497] [2022-12-13 18:10:13,811 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312650,312663] [2022-12-13 18:10:13,812 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312819,312832] [2022-12-13 18:10:13,812 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312986,312999] [2022-12-13 18:10:13,812 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313154,313167] [2022-12-13 18:10:13,813 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313304,313317] [2022-12-13 18:10:13,813 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313451,313464] [2022-12-13 18:10:13,813 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313612,313625] [2022-12-13 18:10:13,814 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313782,313795] [2022-12-13 18:10:13,814 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313944,313957] [2022-12-13 18:10:13,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:10:13,833 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:10:13,916 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 18:10:13,917 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 18:10:13,920 WARN L623 FunctionHandler]: Unknown extern function virtio_check_driver_offered_feature [2022-12-13 18:10:13,937 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-13 18:10:13,938 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-13 18:10:13,941 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-13 18:10:13,941 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-13 18:10:13,942 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-13 18:10:13,942 WARN L623 FunctionHandler]: Unknown extern function virtqueue_add_sgs [2022-12-13 18:10:13,944 WARN L623 FunctionHandler]: Unknown extern function blk_mq_end_request [2022-12-13 18:10:13,945 WARN L623 FunctionHandler]: Unknown extern function virtqueue_disable_cb [2022-12-13 18:10:13,945 WARN L623 FunctionHandler]: Unknown extern function blk_mq_complete_request [2022-12-13 18:10:13,946 WARN L623 FunctionHandler]: Unknown extern function virtqueue_get_buf [2022-12-13 18:10:13,946 WARN L623 FunctionHandler]: Unknown extern function virtqueue_is_broken [2022-12-13 18:10:13,947 WARN L623 FunctionHandler]: Unknown extern function virtqueue_enable_cb [2022-12-13 18:10:13,947 WARN L623 FunctionHandler]: Unknown extern function blk_mq_start_stopped_hw_queues [2022-12-13 18:10:13,959 WARN L623 FunctionHandler]: Unknown extern function blk_mq_start_request [2022-12-13 18:10:13,959 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_sg [2022-12-13 18:10:13,960 WARN L623 FunctionHandler]: Unknown extern function virtqueue_kick [2022-12-13 18:10:13,961 WARN L623 FunctionHandler]: Unknown extern function blk_mq_stop_hw_queue [2022-12-13 18:10:13,961 WARN L623 FunctionHandler]: Unknown extern function virtqueue_kick_prepare [2022-12-13 18:10:13,962 WARN L623 FunctionHandler]: Unknown extern function virtqueue_notify [2022-12-13 18:10:13,963 WARN L623 FunctionHandler]: Unknown extern function bio_map_kern [2022-12-13 18:10:13,967 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-12-13 18:10:13,967 WARN L623 FunctionHandler]: Unknown extern function blk_execute_rq [2022-12-13 18:10:13,971 WARN L623 FunctionHandler]: Unknown extern function scsi_cmd_blk_ioctl [2022-12-13 18:10:13,976 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_322 [2022-12-13 18:10:13,981 WARN L623 FunctionHandler]: Unknown extern function string_get_size [2022-12-13 18:10:13,981 WARN L623 FunctionHandler]: Unknown extern function string_get_size [2022-12-13 18:10:13,982 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-12-13 18:10:13,982 WARN L623 FunctionHandler]: Unknown extern function revalidate_disk [2022-12-13 18:10:13,982 WARN L623 FunctionHandler]: Unknown extern function kobject_uevent_env [2022-12-13 18:10:13,987 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 18:10:13,988 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:10:13,989 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:10:13,989 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:10:13,989 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:10:13,992 WARN L623 FunctionHandler]: Unknown extern function blk_queue_flush [2022-12-13 18:10:13,994 WARN L623 FunctionHandler]: Unknown extern function blk_queue_flush [2022-12-13 18:10:13,996 WARN L623 FunctionHandler]: Unknown extern function revalidate_disk [2022-12-13 18:10:13,998 WARN L623 FunctionHandler]: Unknown extern function sysfs_streq [2022-12-13 18:10:14,001 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-12-13 18:10:14,003 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 18:10:14,004 WARN L623 FunctionHandler]: Unknown extern function ida_simple_get [2022-12-13 18:10:14,005 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 18:10:14,006 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 18:10:14,010 WARN L623 FunctionHandler]: Unknown extern function blk_mq_alloc_tag_set [2022-12-13 18:10:14,010 WARN L623 FunctionHandler]: Unknown extern function blk_mq_init_queue [2022-12-13 18:10:14,014 WARN L623 FunctionHandler]: Unknown extern function set_disk_ro [2022-12-13 18:10:14,015 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segments [2022-12-13 18:10:14,015 WARN L623 FunctionHandler]: Unknown extern function blk_queue_bounce_limit [2022-12-13 18:10:14,015 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_hw_sectors [2022-12-13 18:10:14,016 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-12-13 18:10:14,016 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-12-13 18:10:14,016 WARN L623 FunctionHandler]: Unknown extern function blk_queue_logical_block_size [2022-12-13 18:10:14,017 WARN L623 FunctionHandler]: Unknown extern function blk_queue_physical_block_size [2022-12-13 18:10:14,018 WARN L623 FunctionHandler]: Unknown extern function blk_queue_alignment_offset [2022-12-13 18:10:14,019 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_min [2022-12-13 18:10:14,024 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_opt [2022-12-13 18:10:14,025 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-13 18:10:14,025 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-13 18:10:14,025 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-13 18:10:14,027 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_tag_set [2022-12-13 18:10:14,028 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:10:14,029 WARN L623 FunctionHandler]: Unknown extern function ida_simple_remove [2022-12-13 18:10:14,030 WARN L623 FunctionHandler]: Unknown extern function flush_work [2022-12-13 18:10:14,032 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_tag_set [2022-12-13 18:10:14,035 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:10:14,035 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 18:10:14,036 WARN L623 FunctionHandler]: Unknown extern function ida_simple_remove [2022-12-13 18:10:14,037 WARN L623 FunctionHandler]: Unknown extern function flush_work [2022-12-13 18:10:14,038 WARN L623 FunctionHandler]: Unknown extern function blk_mq_stop_hw_queues [2022-12-13 18:10:14,041 WARN L623 FunctionHandler]: Unknown extern function blk_mq_start_stopped_hw_queues [2022-12-13 18:10:14,044 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-13 18:10:14,045 WARN L623 FunctionHandler]: Unknown extern function register_blkdev [2022-12-13 18:10:14,046 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-12-13 18:10:14,046 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-13 18:10:14,046 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-12-13 18:10:14,047 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-13 18:10:14,055 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 18:10:14,055 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-13 18:10:14,056 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-13 18:10:14,056 WARN L623 FunctionHandler]: Unknown extern function alloc_disk [2022-12-13 18:10:14,057 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-12-13 18:10:14,057 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-12-13 18:10:14,057 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-12-13 18:10:14,057 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-13 18:10:14,057 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-12-13 18:10:14,058 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-12-13 18:10:14,058 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-13 18:10:14,058 WARN L623 FunctionHandler]: Unknown extern function register_virtio_driver [2022-12-13 18:10:14,058 WARN L623 FunctionHandler]: Unknown extern function unregister_virtio_driver [2022-12-13 18:10:14,075 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 18:10:14,092 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 18:10:14,122 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[300556,300569] [2022-12-13 18:10:14,123 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[300701,300714] [2022-12-13 18:10:14,123 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[300847,300860] [2022-12-13 18:10:14,123 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301012,301025] [2022-12-13 18:10:14,124 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301170,301183] [2022-12-13 18:10:14,124 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301328,301341] [2022-12-13 18:10:14,124 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301486,301499] [2022-12-13 18:10:14,125 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301646,301659] [2022-12-13 18:10:14,125 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301805,301818] [2022-12-13 18:10:14,125 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301944,301957] [2022-12-13 18:10:14,126 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302086,302099] [2022-12-13 18:10:14,126 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302235,302248] [2022-12-13 18:10:14,126 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302374,302387] [2022-12-13 18:10:14,127 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302529,302542] [2022-12-13 18:10:14,127 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302689,302702] [2022-12-13 18:10:14,127 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302840,302853] [2022-12-13 18:10:14,128 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302991,303004] [2022-12-13 18:10:14,128 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303143,303156] [2022-12-13 18:10:14,128 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303292,303305] [2022-12-13 18:10:14,129 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303440,303453] [2022-12-13 18:10:14,129 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303597,303610] [2022-12-13 18:10:14,129 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303746,303759] [2022-12-13 18:10:14,130 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303902,303915] [2022-12-13 18:10:14,130 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304055,304068] [2022-12-13 18:10:14,130 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304201,304214] [2022-12-13 18:10:14,130 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304344,304357] [2022-12-13 18:10:14,131 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304496,304509] [2022-12-13 18:10:14,131 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304642,304655] [2022-12-13 18:10:14,132 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304787,304800] [2022-12-13 18:10:14,132 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304941,304954] [2022-12-13 18:10:14,132 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305092,305105] [2022-12-13 18:10:14,133 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305247,305260] [2022-12-13 18:10:14,133 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305399,305412] [2022-12-13 18:10:14,133 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305554,305567] [2022-12-13 18:10:14,134 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305718,305731] [2022-12-13 18:10:14,134 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305874,305887] [2022-12-13 18:10:14,134 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306038,306051] [2022-12-13 18:10:14,135 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306180,306193] [2022-12-13 18:10:14,135 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306338,306351] [2022-12-13 18:10:14,135 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306505,306518] [2022-12-13 18:10:14,136 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306664,306677] [2022-12-13 18:10:14,136 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306823,306836] [2022-12-13 18:10:14,136 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306972,306985] [2022-12-13 18:10:14,137 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307119,307132] [2022-12-13 18:10:14,137 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307258,307271] [2022-12-13 18:10:14,137 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307421,307434] [2022-12-13 18:10:14,138 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307587,307600] [2022-12-13 18:10:14,138 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307751,307764] [2022-12-13 18:10:14,138 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307916,307929] [2022-12-13 18:10:14,139 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308081,308094] [2022-12-13 18:10:14,139 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308247,308260] [2022-12-13 18:10:14,139 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308412,308425] [2022-12-13 18:10:14,140 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308579,308592] [2022-12-13 18:10:14,140 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308739,308752] [2022-12-13 18:10:14,140 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308901,308914] [2022-12-13 18:10:14,140 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309060,309073] [2022-12-13 18:10:14,141 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309206,309219] [2022-12-13 18:10:14,141 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309349,309362] [2022-12-13 18:10:14,141 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309493,309506] [2022-12-13 18:10:14,142 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309636,309649] [2022-12-13 18:10:14,142 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309780,309793] [2022-12-13 18:10:14,142 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309921,309934] [2022-12-13 18:10:14,143 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310059,310072] [2022-12-13 18:10:14,143 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310217,310230] [2022-12-13 18:10:14,143 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310376,310389] [2022-12-13 18:10:14,144 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310532,310545] [2022-12-13 18:10:14,144 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310681,310694] [2022-12-13 18:10:14,144 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310833,310846] [2022-12-13 18:10:14,145 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310984,310997] [2022-12-13 18:10:14,145 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311133,311146] [2022-12-13 18:10:14,146 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311285,311298] [2022-12-13 18:10:14,146 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311433,311446] [2022-12-13 18:10:14,146 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311586,311599] [2022-12-13 18:10:14,146 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311737,311750] [2022-12-13 18:10:14,147 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311887,311900] [2022-12-13 18:10:14,147 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312034,312047] [2022-12-13 18:10:14,147 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312185,312198] [2022-12-13 18:10:14,148 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312336,312349] [2022-12-13 18:10:14,148 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312484,312497] [2022-12-13 18:10:14,148 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312650,312663] [2022-12-13 18:10:14,149 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312819,312832] [2022-12-13 18:10:14,149 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312986,312999] [2022-12-13 18:10:14,149 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313154,313167] [2022-12-13 18:10:14,150 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313304,313317] [2022-12-13 18:10:14,150 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313451,313464] [2022-12-13 18:10:14,150 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313612,313625] [2022-12-13 18:10:14,151 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313782,313795] [2022-12-13 18:10:14,151 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313944,313957] [2022-12-13 18:10:14,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:10:14,279 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:10:14,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:10:14 WrapperNode [2022-12-13 18:10:14,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:10:14,280 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:10:14,280 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:10:14,280 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:10:14,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:10:14" (1/1) ... [2022-12-13 18:10:14,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:10:14" (1/1) ... [2022-12-13 18:10:14,415 INFO L138 Inliner]: procedures = 569, calls = 1454, calls flagged for inlining = 247, calls inlined = 157, statements flattened = 3140 [2022-12-13 18:10:14,415 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:10:14,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:10:14,416 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:10:14,416 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:10:14,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:10:14" (1/1) ... [2022-12-13 18:10:14,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:10:14" (1/1) ... [2022-12-13 18:10:14,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:10:14" (1/1) ... [2022-12-13 18:10:14,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:10:14" (1/1) ... [2022-12-13 18:10:14,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:10:14" (1/1) ... [2022-12-13 18:10:14,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:10:14" (1/1) ... [2022-12-13 18:10:14,587 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:10:14" (1/1) ... [2022-12-13 18:10:14,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:10:14" (1/1) ... [2022-12-13 18:10:14,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:10:14,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:10:14,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:10:14,645 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:10:14,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:10:14" (1/1) ... [2022-12-13 18:10:14,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:10:14,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:10:14,679 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:10:14,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:10:14,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2022-12-13 18:10:14,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2022-12-13 18:10:14,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-12-13 18:10:14,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-12-13 18:10:14,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 18:10:14,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 18:10:14,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-12-13 18:10:14,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-12-13 18:10:14,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_del_gendisk [2022-12-13 18:10:14,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_del_gendisk [2022-12-13 18:10:14,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-13 18:10:14,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-13 18:10:14,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-12-13 18:10:14,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-12-13 18:10:14,713 INFO L130 BoogieDeclarations]: Found specification of procedure init_vq [2022-12-13 18:10:14,713 INFO L138 BoogieDeclarations]: Found implementation of procedure init_vq [2022-12-13 18:10:14,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-12-13 18:10:14,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-12-13 18:10:14,713 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_config_changed [2022-12-13 18:10:14,713 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_config_changed [2022-12-13 18:10:14,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-13 18:10:14,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-13 18:10:14,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-13 18:10:14,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-13 18:10:14,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-12-13 18:10:14,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-12-13 18:10:14,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 18:10:14,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-12-13 18:10:14,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 18:10:14,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-13 18:10:14,713 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_get_cache_mode [2022-12-13 18:10:14,713 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_get_cache_mode [2022-12-13 18:10:14,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-12-13 18:10:14,714 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-13 18:10:14,714 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-13 18:10:14,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-12-13 18:10:14,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-12-13 18:10:14,714 INFO L130 BoogieDeclarations]: Found specification of procedure string_get_size [2022-12-13 18:10:14,714 INFO L138 BoogieDeclarations]: Found implementation of procedure string_get_size [2022-12-13 18:10:14,714 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_tag_set [2022-12-13 18:10:14,714 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_tag_set [2022-12-13 18:10:14,714 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_update_cache_mode [2022-12-13 18:10:14,714 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_update_cache_mode [2022-12-13 18:10:14,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_blk_cleanup_queue [2022-12-13 18:10:14,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_blk_cleanup_queue [2022-12-13 18:10:14,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-12-13 18:10:14,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-12-13 18:10:14,714 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2022-12-13 18:10:14,714 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2022-12-13 18:10:14,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-13 18:10:14,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-13 18:10:14,714 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_flush [2022-12-13 18:10:14,714 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_flush [2022-12-13 18:10:14,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-12-13 18:10:14,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-12-13 18:10:14,714 INFO L130 BoogieDeclarations]: Found specification of procedure ida_simple_remove [2022-12-13 18:10:14,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ida_simple_remove [2022-12-13 18:10:14,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-12-13 18:10:14,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-12-13 18:10:14,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-12-13 18:10:14,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-12-13 18:10:14,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-12-13 18:10:14,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-12-13 18:10:14,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-13 18:10:14,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-13 18:10:14,715 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2022-12-13 18:10:14,715 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2022-12-13 18:10:14,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-12-13 18:10:14,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-12-13 18:10:14,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-12-13 18:10:14,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-12-13 18:10:14,715 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_cread8 [2022-12-13 18:10:14,715 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_cread8 [2022-12-13 18:10:14,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 18:10:14,715 INFO L130 BoogieDeclarations]: Found specification of procedure revalidate_disk [2022-12-13 18:10:14,716 INFO L138 BoogieDeclarations]: Found implementation of procedure revalidate_disk [2022-12-13 18:10:14,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:10:14,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-13 18:10:14,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-13 18:10:14,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 18:10:14,716 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2022-12-13 18:10:14,716 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2022-12-13 18:10:14,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-12-13 18:10:14,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-12-13 18:10:14,716 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 18:10:14,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 18:10:14,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-12-13 18:10:14,716 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_remove [2022-12-13 18:10:14,716 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_remove [2022-12-13 18:10:14,716 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_cache_type_store [2022-12-13 18:10:14,716 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_cache_type_store [2022-12-13 18:10:14,716 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2022-12-13 18:10:14,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2022-12-13 18:10:14,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-12-13 18:10:14,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-12-13 18:10:14,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-12-13 18:10:14,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:10:14,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:10:14,717 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-13 18:10:14,717 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-13 18:10:14,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-12-13 18:10:14,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-12-13 18:10:14,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-13 18:10:14,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 18:10:14,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-12-13 18:10:14,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 18:10:14,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 18:10:14,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 18:10:14,717 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~C_UINT~TO~VOID [2022-12-13 18:10:14,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~C_UINT~TO~VOID [2022-12-13 18:10:14,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-13 18:10:14,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-13 18:10:14,717 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_cread32 [2022-12-13 18:10:14,717 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_cread32 [2022-12-13 18:10:14,717 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-12-13 18:10:14,717 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-12-13 18:10:14,717 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2022-12-13 18:10:14,717 INFO L138 BoogieDeclarations]: Found implementation of procedure del_gendisk [2022-12-13 18:10:14,717 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2022-12-13 18:10:14,717 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2022-12-13 18:10:14,718 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2022-12-13 18:10:14,718 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2022-12-13 18:10:14,718 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_cread16 [2022-12-13 18:10:14,718 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_cread16 [2022-12-13 18:10:14,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-12-13 18:10:14,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-12-13 18:10:14,718 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2022-12-13 18:10:14,718 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2022-12-13 18:10:14,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-12-13 18:10:14,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-12-13 18:10:14,718 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_cread64 [2022-12-13 18:10:14,718 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_cread64 [2022-12-13 18:10:14,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 18:10:14,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-12-13 18:10:14,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-12-13 18:10:14,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_block_request__double_get [2022-12-13 18:10:14,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_block_request__double_get [2022-12-13 18:10:14,719 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_rq_to_pdu [2022-12-13 18:10:14,719 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_rq_to_pdu [2022-12-13 18:10:14,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 18:10:14,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-12-13 18:10:14,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-12-13 18:10:14,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-12-13 18:10:14,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-13 18:10:14,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 18:10:14,719 INFO L130 BoogieDeclarations]: Found specification of procedure virtio32_to_cpu [2022-12-13 18:10:14,719 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio32_to_cpu [2022-12-13 18:10:14,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-12-13 18:10:14,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-12-13 18:10:14,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-13 18:10:14,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-13 18:10:14,719 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_start_stopped_hw_queues [2022-12-13 18:10:14,719 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_start_stopped_hw_queues [2022-12-13 18:10:14,719 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segment_size [2022-12-13 18:10:14,719 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segment_size [2022-12-13 18:10:14,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-12-13 18:10:14,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-12-13 18:10:14,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-12-13 18:10:14,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-12-13 18:10:14,719 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-13 18:10:14,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-13 18:10:14,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-12-13 18:10:14,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-12-13 18:10:14,720 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 18:10:14,720 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 18:10:14,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-12-13 18:10:14,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-12-13 18:10:14,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-12-13 18:10:14,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-12-13 18:10:14,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-12-13 18:10:14,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-12-13 18:10:14,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 18:10:14,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 18:10:14,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_virtio_blk_vq [2022-12-13 18:10:14,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_virtio_blk_vq [2022-12-13 18:10:14,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-12-13 18:10:14,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-12-13 18:10:14,720 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-12-13 18:10:14,720 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-12-13 18:10:14,720 INFO L130 BoogieDeclarations]: Found specification of procedure queue_logical_block_size [2022-12-13 18:10:14,720 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_logical_block_size [2022-12-13 18:10:14,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-13 18:10:14,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-13 18:10:14,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-12-13 18:10:14,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-12-13 18:10:14,721 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2022-12-13 18:10:14,721 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2022-12-13 18:10:14,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_put_disk [2022-12-13 18:10:14,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_put_disk [2022-12-13 18:10:14,721 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_device_ready [2022-12-13 18:10:14,721 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_device_ready [2022-12-13 18:10:15,180 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:10:15,183 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:10:15,376 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 18:10:24,934 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:10:24,947 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:10:24,947 INFO L300 CfgBuilder]: Removed 15 assume(true) statements. [2022-12-13 18:10:24,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:10:24 BoogieIcfgContainer [2022-12-13 18:10:24,950 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:10:24,952 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:10:24,952 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:10:24,955 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:10:24,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:10:11" (1/3) ... [2022-12-13 18:10:24,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@405e2a23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:10:24, skipping insertion in model container [2022-12-13 18:10:24,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:10:14" (2/3) ... [2022-12-13 18:10:24,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@405e2a23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:10:24, skipping insertion in model container [2022-12-13 18:10:24,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:10:24" (3/3) ... [2022-12-13 18:10:24,956 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i [2022-12-13 18:10:24,970 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:10:24,970 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 507 error locations. [2022-12-13 18:10:25,023 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:10:25,028 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=PETRI_NET, 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;@35883abb, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:10:25,028 INFO L358 AbstractCegarLoop]: Starting to check reachability of 507 error locations. [2022-12-13 18:10:25,036 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) [2022-12-13 18:10:25,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-13 18:10:25,044 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:10:25,045 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] [2022-12-13 18:10:25,045 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)] === [2022-12-13 18:10:25,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:10:25,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1193355392, now seen corresponding path program 1 times [2022-12-13 18:10:25,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:10:25,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2100404640] [2022-12-13 18:10:25,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:10:25,063 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 [2022-12-13 18:10:25,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:10:25,064 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 18:10:25,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:10:25,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:10:25,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 18:10:25,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:10:25,759 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 [2022-12-13 18:10:26,089 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-13 18:10:26,089 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:10:26,090 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:10:26,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2100404640] [2022-12-13 18:10:26,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2100404640] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:10:26,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:10:26,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 18:10:26,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760394805] [2022-12-13 18:10:26,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:10:26,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:10:26,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:10:26,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:10:26,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:10:26,129 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) [2022-12-13 18:10:41,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:10:41,574 INFO L93 Difference]: Finished difference Result 2268 states and 2623 transitions. [2022-12-13 18:10:41,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 18:10:41,577 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 [2022-12-13 18:10:41,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:10:41,600 INFO L225 Difference]: With dead ends: 2268 [2022-12-13 18:10:41,600 INFO L226 Difference]: Without dead ends: 2250 [2022-12-13 18:10:41,601 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 [2022-12-13 18:10:41,604 INFO L413 NwaCegarLoop]: 1917 mSDtfsCounter, 1858 mSDsluCounter, 5778 mSDsCounter, 0 mSdLazyCounter, 3950 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s 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, 15.1s IncrementalHoareTripleChecker+Time [2022-12-13 18:10:41,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1858 Valid, 7695 Invalid, 4004 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [54 Valid, 3950 Invalid, 0 Unknown, 0 Unchecked, 15.1s Time] [2022-12-13 18:10:41,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2250 states. [2022-12-13 18:10:41,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2250 to 2065. [2022-12-13 18:10:41,705 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) [2022-12-13 18:10:41,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2065 states to 2065 states and 2414 transitions. [2022-12-13 18:10:41,719 INFO L78 Accepts]: Start accepts. Automaton has 2065 states and 2414 transitions. Word has length 47 [2022-12-13 18:10:41,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:10:41,720 INFO L495 AbstractCegarLoop]: Abstraction has 2065 states and 2414 transitions. [2022-12-13 18:10:41,720 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) [2022-12-13 18:10:41,720 INFO L276 IsEmpty]: Start isEmpty. Operand 2065 states and 2414 transitions. [2022-12-13 18:10:41,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-13 18:10:41,722 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:10:41,722 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] [2022-12-13 18:10:41,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:10:41,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:10:41,924 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)] === [2022-12-13 18:10:41,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:10:41,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1193355391, now seen corresponding path program 1 times [2022-12-13 18:10:41,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:10:41,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [548486778] [2022-12-13 18:10:41,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:10:41,931 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 [2022-12-13 18:10:41,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:10:41,935 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 18:10:41,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:10:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:10:42,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-13 18:10:42,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:10:42,514 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 [2022-12-13 18:10:42,741 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-13 18:10:42,741 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:10:42,741 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:10:42,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [548486778] [2022-12-13 18:10:42,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [548486778] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:10:42,742 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:10:42,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 18:10:42,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320952825] [2022-12-13 18:10:42,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:10:42,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 18:10:42,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:10:42,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 18:10:42,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:10:42,744 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) [2022-12-13 18:10:53,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:10:53,324 INFO L93 Difference]: Finished difference Result 2064 states and 2413 transitions. [2022-12-13 18:10:53,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 18:10:53,325 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 [2022-12-13 18:10:53,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:10:53,332 INFO L225 Difference]: With dead ends: 2064 [2022-12-13 18:10:53,332 INFO L226 Difference]: Without dead ends: 2064 [2022-12-13 18:10:53,332 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 [2022-12-13 18:10:53,333 INFO L413 NwaCegarLoop]: 2050 mSDtfsCounter, 10 mSDsluCounter, 6373 mSDsCounter, 0 mSdLazyCounter, 1887 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s 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, 10.4s IncrementalHoareTripleChecker+Time [2022-12-13 18:10:53,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 8423 Invalid, 1887 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1887 Invalid, 0 Unknown, 0 Unchecked, 10.4s Time] [2022-12-13 18:10:53,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2064 states. [2022-12-13 18:10:53,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2064 to 2064. [2022-12-13 18:10:53,391 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) [2022-12-13 18:10:53,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2064 states to 2064 states and 2413 transitions. [2022-12-13 18:10:53,415 INFO L78 Accepts]: Start accepts. Automaton has 2064 states and 2413 transitions. Word has length 47 [2022-12-13 18:10:53,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:10:53,416 INFO L495 AbstractCegarLoop]: Abstraction has 2064 states and 2413 transitions. [2022-12-13 18:10:53,416 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) [2022-12-13 18:10:53,416 INFO L276 IsEmpty]: Start isEmpty. Operand 2064 states and 2413 transitions. [2022-12-13 18:10:53,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-13 18:10:53,418 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:10:53,418 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] [2022-12-13 18:10:53,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:10:53,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:10:53,619 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)] === [2022-12-13 18:10:53,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:10:53,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1106642624, now seen corresponding path program 1 times [2022-12-13 18:10:53,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:10:53,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1316176705] [2022-12-13 18:10:53,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:10:53,621 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 [2022-12-13 18:10:53,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:10:53,622 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 18:10:53,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:10:54,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:10:54,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 18:10:54,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:10:54,393 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 18:10:54,393 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:10:54,393 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:10:54,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1316176705] [2022-12-13 18:10:54,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1316176705] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:10:54,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:10:54,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:10:54,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415518661] [2022-12-13 18:10:54,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:10:54,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 18:10:54,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:10:54,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:10:54,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:10:54,395 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) [2022-12-13 18:10:54,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:10:54,451 INFO L93 Difference]: Finished difference Result 2062 states and 2410 transitions. [2022-12-13 18:10:54,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:10:54,452 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 [2022-12-13 18:10:54,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:10:54,460 INFO L225 Difference]: With dead ends: 2062 [2022-12-13 18:10:54,460 INFO L226 Difference]: Without dead ends: 2062 [2022-12-13 18:10:54,460 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 [2022-12-13 18:10:54,461 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 [2022-12-13 18:10:54,461 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] [2022-12-13 18:10:54,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2062 states. [2022-12-13 18:10:54,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2062 to 2062. [2022-12-13 18:10:54,503 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) [2022-12-13 18:10:54,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2062 states to 2062 states and 2410 transitions. [2022-12-13 18:10:54,510 INFO L78 Accepts]: Start accepts. Automaton has 2062 states and 2410 transitions. Word has length 50 [2022-12-13 18:10:54,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:10:54,511 INFO L495 AbstractCegarLoop]: Abstraction has 2062 states and 2410 transitions. [2022-12-13 18:10:54,511 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) [2022-12-13 18:10:54,511 INFO L276 IsEmpty]: Start isEmpty. Operand 2062 states and 2410 transitions. [2022-12-13 18:10:54,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-13 18:10:54,512 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:10:54,512 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] [2022-12-13 18:10:54,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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)] Ended with exit code 0 [2022-12-13 18:10:54,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:10:54,712 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)] === [2022-12-13 18:10:54,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:10:54,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1804717252, now seen corresponding path program 1 times [2022-12-13 18:10:54,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:10:54,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2030657817] [2022-12-13 18:10:54,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:10:54,713 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 [2022-12-13 18:10:54,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:10:54,714 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 18:10:54,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:10:55,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:10:55,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-13 18:10:55,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:10:55,282 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 [2022-12-13 18:10:55,599 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-13 18:10:55,599 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:10:55,599 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:10:55,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2030657817] [2022-12-13 18:10:55,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2030657817] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:10:55,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:10:55,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 18:10:55,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572912699] [2022-12-13 18:10:55,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:10:55,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 18:10:55,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:10:55,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 18:10:55,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-13 18:10:55,601 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) [2022-12-13 18:11:14,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:11:14,415 INFO L93 Difference]: Finished difference Result 2244 states and 2592 transitions. [2022-12-13 18:11:14,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 18:11:14,416 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 [2022-12-13 18:11:14,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:11:14,423 INFO L225 Difference]: With dead ends: 2244 [2022-12-13 18:11:14,423 INFO L226 Difference]: Without dead ends: 2244 [2022-12-13 18:11:14,423 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 [2022-12-13 18:11:14,424 INFO L413 NwaCegarLoop]: 1890 mSDtfsCounter, 1841 mSDsluCounter, 5902 mSDsCounter, 0 mSdLazyCounter, 4721 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1841 SdHoareTripleChecker+Valid, 7792 SdHoareTripleChecker+Invalid, 4775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 4721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.6s IncrementalHoareTripleChecker+Time [2022-12-13 18:11:14,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1841 Valid, 7792 Invalid, 4775 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [54 Valid, 4721 Invalid, 0 Unknown, 0 Unchecked, 18.6s Time] [2022-12-13 18:11:14,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2244 states. [2022-12-13 18:11:14,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2244 to 2061. [2022-12-13 18:11:14,452 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) [2022-12-13 18:11:14,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2061 states to 2061 states and 2409 transitions. [2022-12-13 18:11:14,456 INFO L78 Accepts]: Start accepts. Automaton has 2061 states and 2409 transitions. Word has length 50 [2022-12-13 18:11:14,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:11:14,457 INFO L495 AbstractCegarLoop]: Abstraction has 2061 states and 2409 transitions. [2022-12-13 18:11:14,457 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) [2022-12-13 18:11:14,457 INFO L276 IsEmpty]: Start isEmpty. Operand 2061 states and 2409 transitions. [2022-12-13 18:11:14,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-13 18:11:14,458 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:11:14,458 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] [2022-12-13 18:11:14,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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)] Forceful destruction successful, exit code 0 [2022-12-13 18:11:14,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:11:14,658 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)] === [2022-12-13 18:11:14,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:11:14,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1804717251, now seen corresponding path program 1 times [2022-12-13 18:11:14,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:11:14,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [613849764] [2022-12-13 18:11:14,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:11:14,660 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 [2022-12-13 18:11:14,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:11:14,660 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 18:11:14,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:11:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:11:15,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-13 18:11:15,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:11:15,277 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 [2022-12-13 18:11:15,617 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-13 18:11:15,617 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:11:15,617 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:11:15,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [613849764] [2022-12-13 18:11:15,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [613849764] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:11:15,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:11:15,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 18:11:15,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264310180] [2022-12-13 18:11:15,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:11:15,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:11:15,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:11:15,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:11:15,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:11:15,619 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) [2022-12-13 18:11:28,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:11:28,235 INFO L93 Difference]: Finished difference Result 2060 states and 2408 transitions. [2022-12-13 18:11:28,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 18:11:28,237 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 [2022-12-13 18:11:28,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:11:28,242 INFO L225 Difference]: With dead ends: 2060 [2022-12-13 18:11:28,242 INFO L226 Difference]: Without dead ends: 2060 [2022-12-13 18:11:28,242 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 [2022-12-13 18:11:28,243 INFO L413 NwaCegarLoop]: 2045 mSDtfsCounter, 10 mSDsluCounter, 7950 mSDsCounter, 0 mSdLazyCounter, 2353 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s 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, 12.4s IncrementalHoareTripleChecker+Time [2022-12-13 18:11:28,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 9995 Invalid, 2355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2353 Invalid, 0 Unknown, 0 Unchecked, 12.4s Time] [2022-12-13 18:11:28,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2060 states. [2022-12-13 18:11:28,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2060 to 2060. [2022-12-13 18:11:28,267 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) [2022-12-13 18:11:28,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2060 states to 2060 states and 2408 transitions. [2022-12-13 18:11:28,272 INFO L78 Accepts]: Start accepts. Automaton has 2060 states and 2408 transitions. Word has length 50 [2022-12-13 18:11:28,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:11:28,272 INFO L495 AbstractCegarLoop]: Abstraction has 2060 states and 2408 transitions. [2022-12-13 18:11:28,272 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) [2022-12-13 18:11:28,272 INFO L276 IsEmpty]: Start isEmpty. Operand 2060 states and 2408 transitions. [2022-12-13 18:11:28,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-13 18:11:28,273 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:11:28,273 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] [2022-12-13 18:11:28,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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)] Ended with exit code 0 [2022-12-13 18:11:28,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:11:28,474 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)] === [2022-12-13 18:11:28,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:11:28,474 INFO L85 PathProgramCache]: Analyzing trace with hash -2110168921, now seen corresponding path program 1 times [2022-12-13 18:11:28,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:11:28,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [321862089] [2022-12-13 18:11:28,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:11:28,475 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 [2022-12-13 18:11:28,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:11:28,476 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 18:11:28,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:11:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:11:29,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-13 18:11:29,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:11:29,310 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-13 18:11:29,311 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:11:29,311 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:11:29,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [321862089] [2022-12-13 18:11:29,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [321862089] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:11:29,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:11:29,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 18:11:29,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640795898] [2022-12-13 18:11:29,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:11:29,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 18:11:29,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:11:29,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 18:11:29,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 18:11:29,313 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) [2022-12-13 18:11:30,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:11:30,081 INFO L93 Difference]: Finished difference Result 2313 states and 2774 transitions. [2022-12-13 18:11:30,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 18:11:30,081 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 [2022-12-13 18:11:30,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:11:30,087 INFO L225 Difference]: With dead ends: 2313 [2022-12-13 18:11:30,087 INFO L226 Difference]: Without dead ends: 2313 [2022-12-13 18:11:30,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-12-13 18:11:30,088 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, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 18:11:30,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1440 Valid, 17081 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [291 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 18:11:30,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2313 states. [2022-12-13 18:11:30,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2313 to 2066. [2022-12-13 18:11:30,114 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) [2022-12-13 18:11:30,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2066 states to 2066 states and 2415 transitions. [2022-12-13 18:11:30,118 INFO L78 Accepts]: Start accepts. Automaton has 2066 states and 2415 transitions. Word has length 54 [2022-12-13 18:11:30,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:11:30,119 INFO L495 AbstractCegarLoop]: Abstraction has 2066 states and 2415 transitions. [2022-12-13 18:11:30,119 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) [2022-12-13 18:11:30,119 INFO L276 IsEmpty]: Start isEmpty. Operand 2066 states and 2415 transitions. [2022-12-13 18:11:30,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-13 18:11:30,119 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:11:30,120 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] [2022-12-13 18:11:30,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:11:30,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:11:30,320 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)] === [2022-12-13 18:11:30,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:11:30,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1229734792, now seen corresponding path program 1 times [2022-12-13 18:11:30,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:11:30,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2114591466] [2022-12-13 18:11:30,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:11:30,321 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 [2022-12-13 18:11:30,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:11:30,322 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 18:11:30,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:11:30,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:11:30,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 18:11:30,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:11:31,128 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 18:11:31,129 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:11:31,129 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:11:31,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2114591466] [2022-12-13 18:11:31,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2114591466] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:11:31,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:11:31,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:11:31,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54410490] [2022-12-13 18:11:31,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:11:31,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 18:11:31,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:11:31,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:11:31,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:11:31,130 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) [2022-12-13 18:11:31,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:11:31,271 INFO L93 Difference]: Finished difference Result 4010 states and 4692 transitions. [2022-12-13 18:11:31,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:11:31,272 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 [2022-12-13 18:11:31,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:11:31,282 INFO L225 Difference]: With dead ends: 4010 [2022-12-13 18:11:31,282 INFO L226 Difference]: Without dead ends: 4010 [2022-12-13 18:11:31,282 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 [2022-12-13 18:11:31,282 INFO L413 NwaCegarLoop]: 2848 mSDtfsCounter, 1929 mSDsluCounter, 4864 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1931 SdHoareTripleChecker+Valid, 7712 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 [2022-12-13 18:11:31,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1931 Valid, 7712 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 18:11:31,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4010 states. [2022-12-13 18:11:31,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4010 to 3296. [2022-12-13 18:11:31,334 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) [2022-12-13 18:11:31,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3296 states to 3296 states and 4360 transitions. [2022-12-13 18:11:31,346 INFO L78 Accepts]: Start accepts. Automaton has 3296 states and 4360 transitions. Word has length 56 [2022-12-13 18:11:31,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:11:31,346 INFO L495 AbstractCegarLoop]: Abstraction has 3296 states and 4360 transitions. [2022-12-13 18:11:31,346 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) [2022-12-13 18:11:31,346 INFO L276 IsEmpty]: Start isEmpty. Operand 3296 states and 4360 transitions. [2022-12-13 18:11:31,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-13 18:11:31,347 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:11:31,347 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] [2022-12-13 18:11:31,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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)] Ended with exit code 0 [2022-12-13 18:11:31,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:11:31,548 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)] === [2022-12-13 18:11:31,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:11:31,549 INFO L85 PathProgramCache]: Analyzing trace with hash -990725809, now seen corresponding path program 1 times [2022-12-13 18:11:31,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:11:31,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1938704696] [2022-12-13 18:11:31,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:11:31,549 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 [2022-12-13 18:11:31,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:11:31,550 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 18:11:31,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:11:32,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:11:32,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 26 conjunts are in the unsatisfiable core [2022-12-13 18:11:32,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:11:34,905 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-13 18:11:34,905 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:11:34,905 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:11:34,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1938704696] [2022-12-13 18:11:34,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1938704696] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:11:34,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:11:34,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-12-13 18:11:34,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957952360] [2022-12-13 18:11:34,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:11:34,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-13 18:11:34,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:11:34,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-13 18:11:34,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2022-12-13 18:11:34,908 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) [2022-12-13 18:12:26,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:12:26,257 INFO L93 Difference]: Finished difference Result 3750 states and 4917 transitions. [2022-12-13 18:12:26,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 18:12:26,258 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 [2022-12-13 18:12:26,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:12:26,267 INFO L225 Difference]: With dead ends: 3750 [2022-12-13 18:12:26,267 INFO L226 Difference]: Without dead ends: 3750 [2022-12-13 18:12:26,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 36 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=106, Invalid=446, Unknown=0, NotChecked=0, Total=552 [2022-12-13 18:12:26,268 INFO L413 NwaCegarLoop]: 2350 mSDtfsCounter, 2933 mSDsluCounter, 21626 mSDsCounter, 0 mSdLazyCounter, 8186 mSolverCounterSat, 393 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.1s 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, 49.9s IncrementalHoareTripleChecker+Time [2022-12-13 18:12:26,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2947 Valid, 23976 Invalid, 8579 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [393 Valid, 8186 Invalid, 0 Unknown, 0 Unchecked, 49.9s Time] [2022-12-13 18:12:26,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3750 states. [2022-12-13 18:12:26,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3750 to 3358. [2022-12-13 18:12:26,309 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) [2022-12-13 18:12:26,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3358 states to 3358 states and 4422 transitions. [2022-12-13 18:12:26,317 INFO L78 Accepts]: Start accepts. Automaton has 3358 states and 4422 transitions. Word has length 55 [2022-12-13 18:12:26,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:12:26,317 INFO L495 AbstractCegarLoop]: Abstraction has 3358 states and 4422 transitions. [2022-12-13 18:12:26,317 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) [2022-12-13 18:12:26,317 INFO L276 IsEmpty]: Start isEmpty. Operand 3358 states and 4422 transitions. [2022-12-13 18:12:26,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-13 18:12:26,318 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:12:26,318 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] [2022-12-13 18:12:26,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:12:26,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:12:26,518 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)] === [2022-12-13 18:12:26,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:12:26,519 INFO L85 PathProgramCache]: Analyzing trace with hash -647727703, now seen corresponding path program 1 times [2022-12-13 18:12:26,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:12:26,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [472396456] [2022-12-13 18:12:26,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:12:26,520 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 [2022-12-13 18:12:26,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:12:26,521 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 18:12:26,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:12:27,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:12:27,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-13 18:12:27,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:12:27,117 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 [2022-12-13 18:12:27,523 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-13 18:12:27,523 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:12:27,524 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:12:27,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [472396456] [2022-12-13 18:12:27,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [472396456] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:12:27,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:12:27,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 18:12:27,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698745673] [2022-12-13 18:12:27,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:12:27,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 18:12:27,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:12:27,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 18:12:27,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-12-13 18:12:27,526 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) [2022-12-13 18:12:52,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:12:52,195 INFO L93 Difference]: Finished difference Result 3618 states and 4745 transitions. [2022-12-13 18:12:52,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 18:12:52,196 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 [2022-12-13 18:12:52,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:12:52,205 INFO L225 Difference]: With dead ends: 3618 [2022-12-13 18:12:52,205 INFO L226 Difference]: Without dead ends: 3618 [2022-12-13 18:12:52,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 42 SyntacticMatches, 5 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2022-12-13 18:12:52,206 INFO L413 NwaCegarLoop]: 1886 mSDtfsCounter, 1836 mSDsluCounter, 9679 mSDsCounter, 0 mSdLazyCounter, 6547 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1836 SdHoareTripleChecker+Valid, 11565 SdHoareTripleChecker+Invalid, 6600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 6547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.3s IncrementalHoareTripleChecker+Time [2022-12-13 18:12:52,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1836 Valid, 11565 Invalid, 6600 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [53 Valid, 6547 Invalid, 0 Unknown, 0 Unchecked, 24.3s Time] [2022-12-13 18:12:52,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3618 states. [2022-12-13 18:12:52,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3618 to 3358. [2022-12-13 18:12:52,243 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) [2022-12-13 18:12:52,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3358 states to 3358 states and 4421 transitions. [2022-12-13 18:12:52,253 INFO L78 Accepts]: Start accepts. Automaton has 3358 states and 4421 transitions. Word has length 56 [2022-12-13 18:12:52,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:12:52,254 INFO L495 AbstractCegarLoop]: Abstraction has 3358 states and 4421 transitions. [2022-12-13 18:12:52,254 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) [2022-12-13 18:12:52,254 INFO L276 IsEmpty]: Start isEmpty. Operand 3358 states and 4421 transitions. [2022-12-13 18:12:52,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-12-13 18:12:52,255 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:12:52,255 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] [2022-12-13 18:12:52,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:12:52,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:12:52,456 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)] === [2022-12-13 18:12:52,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:12:52,458 INFO L85 PathProgramCache]: Analyzing trace with hash 68847180, now seen corresponding path program 1 times [2022-12-13 18:12:52,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:12:52,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1474577155] [2022-12-13 18:12:52,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:12:52,463 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 [2022-12-13 18:12:52,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:12:52,466 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 18:12:52,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:12:53,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:12:53,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 18:12:53,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:12:53,343 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 18:12:53,343 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:12:53,343 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:12:53,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1474577155] [2022-12-13 18:12:53,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1474577155] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:12:53,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:12:53,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:12:53,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188192517] [2022-12-13 18:12:53,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:12:53,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 18:12:53,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:12:53,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:12:53,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:12:53,345 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) [2022-12-13 18:12:53,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:12:53,408 INFO L93 Difference]: Finished difference Result 3356 states and 4418 transitions. [2022-12-13 18:12:53,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:12:53,409 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 [2022-12-13 18:12:53,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:12:53,417 INFO L225 Difference]: With dead ends: 3356 [2022-12-13 18:12:53,417 INFO L226 Difference]: Without dead ends: 3356 [2022-12-13 18:12:53,417 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 [2022-12-13 18:12:53,417 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 [2022-12-13 18:12:53,418 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] [2022-12-13 18:12:53,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3356 states. [2022-12-13 18:12:53,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3356 to 3356. [2022-12-13 18:12:53,458 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) [2022-12-13 18:12:53,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3356 states to 3356 states and 4418 transitions. [2022-12-13 18:12:53,465 INFO L78 Accepts]: Start accepts. Automaton has 3356 states and 4418 transitions. Word has length 62 [2022-12-13 18:12:53,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:12:53,465 INFO L495 AbstractCegarLoop]: Abstraction has 3356 states and 4418 transitions. [2022-12-13 18:12:53,466 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) [2022-12-13 18:12:53,466 INFO L276 IsEmpty]: Start isEmpty. Operand 3356 states and 4418 transitions. [2022-12-13 18:12:53,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-13 18:12:53,467 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:12:53,467 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] [2022-12-13 18:12:53,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:12:53,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:12:53,669 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)] === [2022-12-13 18:12:53,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:12:53,671 INFO L85 PathProgramCache]: Analyzing trace with hash 845457561, now seen corresponding path program 1 times [2022-12-13 18:12:53,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:12:53,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1233217225] [2022-12-13 18:12:53,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:12:53,674 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 [2022-12-13 18:12:53,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:12:53,677 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 18:12:53,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:12:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:12:54,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 18:12:54,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:12:54,808 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 18:12:54,808 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:12:54,808 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:12:54,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1233217225] [2022-12-13 18:12:54,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1233217225] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:12:54,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:12:54,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:12:54,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809032048] [2022-12-13 18:12:54,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:12:54,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 18:12:54,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:12:54,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:12:54,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:12:54,810 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) [2022-12-13 18:12:54,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:12:54,890 INFO L93 Difference]: Finished difference Result 4090 states and 5297 transitions. [2022-12-13 18:12:54,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:12:54,891 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 [2022-12-13 18:12:54,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:12:54,904 INFO L225 Difference]: With dead ends: 4090 [2022-12-13 18:12:54,904 INFO L226 Difference]: Without dead ends: 4090 [2022-12-13 18:12:54,904 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 [2022-12-13 18:12:54,905 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 [2022-12-13 18:12:54,905 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] [2022-12-13 18:12:54,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4090 states. [2022-12-13 18:12:54,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4090 to 3874. [2022-12-13 18:12:54,947 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) [2022-12-13 18:12:54,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3874 states to 3874 states and 5126 transitions. [2022-12-13 18:12:54,954 INFO L78 Accepts]: Start accepts. Automaton has 3874 states and 5126 transitions. Word has length 68 [2022-12-13 18:12:54,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:12:54,954 INFO L495 AbstractCegarLoop]: Abstraction has 3874 states and 5126 transitions. [2022-12-13 18:12:54,955 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) [2022-12-13 18:12:54,955 INFO L276 IsEmpty]: Start isEmpty. Operand 3874 states and 5126 transitions. [2022-12-13 18:12:54,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-12-13 18:12:54,956 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:12:54,956 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] [2022-12-13 18:12:54,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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)] Ended with exit code 0 [2022-12-13 18:12:55,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:12:55,157 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)] === [2022-12-13 18:12:55,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:12:55,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1259349824, now seen corresponding path program 1 times [2022-12-13 18:12:55,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:12:55,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1260031328] [2022-12-13 18:12:55,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:12:55,162 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 [2022-12-13 18:12:55,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:12:55,165 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 18:12:55,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:12:55,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:12:55,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 18:12:55,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:12:56,045 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 18:12:56,045 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:12:56,046 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:12:56,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1260031328] [2022-12-13 18:12:56,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1260031328] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:12:56,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:12:56,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:12:56,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688847928] [2022-12-13 18:12:56,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:12:56,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 18:12:56,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:12:56,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:12:56,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:12:56,047 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) [2022-12-13 18:12:56,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:12:56,098 INFO L93 Difference]: Finished difference Result 3872 states and 5123 transitions. [2022-12-13 18:12:56,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:12:56,099 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 [2022-12-13 18:12:56,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:12:56,108 INFO L225 Difference]: With dead ends: 3872 [2022-12-13 18:12:56,108 INFO L226 Difference]: Without dead ends: 3872 [2022-12-13 18:12:56,108 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 [2022-12-13 18:12:56,108 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 [2022-12-13 18:12:56,108 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] [2022-12-13 18:12:56,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3872 states. [2022-12-13 18:12:56,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3872 to 3872. [2022-12-13 18:12:56,151 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) [2022-12-13 18:12:56,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3872 states to 3872 states and 5123 transitions. [2022-12-13 18:12:56,158 INFO L78 Accepts]: Start accepts. Automaton has 3872 states and 5123 transitions. Word has length 74 [2022-12-13 18:12:56,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:12:56,158 INFO L495 AbstractCegarLoop]: Abstraction has 3872 states and 5123 transitions. [2022-12-13 18:12:56,159 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) [2022-12-13 18:12:56,159 INFO L276 IsEmpty]: Start isEmpty. Operand 3872 states and 5123 transitions. [2022-12-13 18:12:56,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-12-13 18:12:56,159 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:12:56,159 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] [2022-12-13 18:12:56,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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)] Forceful destruction successful, exit code 0 [2022-12-13 18:12:56,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:12:56,360 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)] === [2022-12-13 18:12:56,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:12:56,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1391441995, now seen corresponding path program 1 times [2022-12-13 18:12:56,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:12:56,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1755203108] [2022-12-13 18:12:56,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:12:56,361 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 [2022-12-13 18:12:56,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:12:56,362 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 18:12:56,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:12:56,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:12:56,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 18:12:56,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:12:57,222 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 18:12:57,222 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:12:57,223 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:12:57,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1755203108] [2022-12-13 18:12:57,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1755203108] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:12:57,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:12:57,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:12:57,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609831722] [2022-12-13 18:12:57,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:12:57,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 18:12:57,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:12:57,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:12:57,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:12:57,224 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) [2022-12-13 18:12:57,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:12:57,279 INFO L93 Difference]: Finished difference Result 3870 states and 5120 transitions. [2022-12-13 18:12:57,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:12:57,279 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 [2022-12-13 18:12:57,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:12:57,285 INFO L225 Difference]: With dead ends: 3870 [2022-12-13 18:12:57,286 INFO L226 Difference]: Without dead ends: 3870 [2022-12-13 18:12:57,286 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 [2022-12-13 18:12:57,286 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 [2022-12-13 18:12:57,286 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] [2022-12-13 18:12:57,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3870 states. [2022-12-13 18:12:57,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3870 to 3870. [2022-12-13 18:12:57,322 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) [2022-12-13 18:12:57,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3870 states to 3870 states and 5120 transitions. [2022-12-13 18:12:57,329 INFO L78 Accepts]: Start accepts. Automaton has 3870 states and 5120 transitions. Word has length 80 [2022-12-13 18:12:57,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:12:57,330 INFO L495 AbstractCegarLoop]: Abstraction has 3870 states and 5120 transitions. [2022-12-13 18:12:57,330 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) [2022-12-13 18:12:57,330 INFO L276 IsEmpty]: Start isEmpty. Operand 3870 states and 5120 transitions. [2022-12-13 18:12:57,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-13 18:12:57,330 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:12:57,330 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] [2022-12-13 18:12:57,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:12:57,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:12:57,531 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)] === [2022-12-13 18:12:57,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:12:57,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1404869525, now seen corresponding path program 1 times [2022-12-13 18:12:57,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:12:57,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1484677312] [2022-12-13 18:12:57,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:12:57,536 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 [2022-12-13 18:12:57,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:12:57,539 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 18:12:57,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:12:58,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:12:58,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 638 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 18:12:58,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:12:58,523 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 18:12:58,523 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:12:58,523 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:12:58,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1484677312] [2022-12-13 18:12:58,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1484677312] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:12:58,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:12:58,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:12:58,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085088968] [2022-12-13 18:12:58,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:12:58,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 18:12:58,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:12:58,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:12:58,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:12:58,525 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) [2022-12-13 18:12:58,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:12:58,583 INFO L93 Difference]: Finished difference Result 3868 states and 5117 transitions. [2022-12-13 18:12:58,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:12:58,584 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 [2022-12-13 18:12:58,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:12:58,589 INFO L225 Difference]: With dead ends: 3868 [2022-12-13 18:12:58,589 INFO L226 Difference]: Without dead ends: 3868 [2022-12-13 18:12:58,589 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 [2022-12-13 18:12:58,590 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 [2022-12-13 18:12:58,590 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] [2022-12-13 18:12:58,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3868 states. [2022-12-13 18:12:58,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3868 to 3868. [2022-12-13 18:12:58,625 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) [2022-12-13 18:12:58,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3868 states to 3868 states and 5117 transitions. [2022-12-13 18:12:58,632 INFO L78 Accepts]: Start accepts. Automaton has 3868 states and 5117 transitions. Word has length 86 [2022-12-13 18:12:58,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:12:58,633 INFO L495 AbstractCegarLoop]: Abstraction has 3868 states and 5117 transitions. [2022-12-13 18:12:58,633 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) [2022-12-13 18:12:58,633 INFO L276 IsEmpty]: Start isEmpty. Operand 3868 states and 5117 transitions. [2022-12-13 18:12:58,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-12-13 18:12:58,634 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:12:58,634 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] [2022-12-13 18:12:58,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:12:58,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:12:58,835 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)] === [2022-12-13 18:12:58,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:12:58,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1318438525, now seen corresponding path program 1 times [2022-12-13 18:12:58,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:12:58,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [107566788] [2022-12-13 18:12:58,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:12:58,836 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 [2022-12-13 18:12:58,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:12:58,837 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 18:12:58,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:12:59,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:12:59,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 738 conjuncts, 20 conjunts are in the unsatisfiable core [2022-12-13 18:12:59,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:12:59,906 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-12-13 18:12:59,906 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:12:59,906 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:12:59,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [107566788] [2022-12-13 18:12:59,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [107566788] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:12:59,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:12:59,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-13 18:12:59,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009219879] [2022-12-13 18:12:59,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:12:59,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-13 18:12:59,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:12:59,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-13 18:12:59,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2022-12-13 18:12:59,908 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) [2022-12-13 18:13:01,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:13:01,597 INFO L93 Difference]: Finished difference Result 3905 states and 5179 transitions. [2022-12-13 18:13:01,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 18:13:01,598 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 [2022-12-13 18:13:01,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:13:01,605 INFO L225 Difference]: With dead ends: 3905 [2022-12-13 18:13:01,606 INFO L226 Difference]: Without dead ends: 3904 [2022-12-13 18:13:01,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2022-12-13 18:13:01,606 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, 0.1s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-13 18:13:01,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 26446 Invalid, 576 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [159 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-13 18:13:01,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3904 states. [2022-12-13 18:13:01,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3904 to 3880. [2022-12-13 18:13:01,655 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) [2022-12-13 18:13:01,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3880 states to 3880 states and 5133 transitions. [2022-12-13 18:13:01,663 INFO L78 Accepts]: Start accepts. Automaton has 3880 states and 5133 transitions. Word has length 106 [2022-12-13 18:13:01,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:13:01,664 INFO L495 AbstractCegarLoop]: Abstraction has 3880 states and 5133 transitions. [2022-12-13 18:13:01,664 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) [2022-12-13 18:13:01,664 INFO L276 IsEmpty]: Start isEmpty. Operand 3880 states and 5133 transitions. [2022-12-13 18:13:01,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-12-13 18:13:01,665 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:13:01,665 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] [2022-12-13 18:13:01,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:13:01,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:13:01,865 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)] === [2022-12-13 18:13:01,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:13:01,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1110465601, now seen corresponding path program 1 times [2022-12-13 18:13:01,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:13:01,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [595549704] [2022-12-13 18:13:01,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:13:01,867 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 [2022-12-13 18:13:01,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:13:01,868 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 18:13:01,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:13:02,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:13:02,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-13 18:13:02,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:13:03,042 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-12-13 18:13:03,042 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:13:03,042 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:13:03,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [595549704] [2022-12-13 18:13:03,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [595549704] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:13:03,042 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:13:03,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-12-13 18:13:03,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179006262] [2022-12-13 18:13:03,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:13:03,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-13 18:13:03,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:13:03,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-13 18:13:03,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2022-12-13 18:13:03,044 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) [2022-12-13 18:13:05,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:13:05,544 INFO L93 Difference]: Finished difference Result 3941 states and 5240 transitions. [2022-12-13 18:13:05,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-12-13 18:13:05,545 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 [2022-12-13 18:13:05,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:13:05,551 INFO L225 Difference]: With dead ends: 3941 [2022-12-13 18:13:05,551 INFO L226 Difference]: Without dead ends: 3940 [2022-12-13 18:13:05,552 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 [2022-12-13 18:13:05,552 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, 1.5s IncrementalHoareTripleChecker+Time [2022-12-13 18:13:05,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 28968 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [341 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-13 18:13:05,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3940 states. [2022-12-13 18:13:05,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3940 to 3882. [2022-12-13 18:13:05,597 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) [2022-12-13 18:13:05,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3882 states to 3882 states and 5136 transitions. [2022-12-13 18:13:05,604 INFO L78 Accepts]: Start accepts. Automaton has 3882 states and 5136 transitions. Word has length 113 [2022-12-13 18:13:05,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:13:05,605 INFO L495 AbstractCegarLoop]: Abstraction has 3882 states and 5136 transitions. [2022-12-13 18:13:05,605 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) [2022-12-13 18:13:05,605 INFO L276 IsEmpty]: Start isEmpty. Operand 3882 states and 5136 transitions. [2022-12-13 18:13:05,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-12-13 18:13:05,606 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:13:05,606 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] [2022-12-13 18:13:05,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:13:05,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:13:05,806 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)] === [2022-12-13 18:13:05,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:13:05,807 INFO L85 PathProgramCache]: Analyzing trace with hash -457812355, now seen corresponding path program 1 times [2022-12-13 18:13:05,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:13:05,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1475918006] [2022-12-13 18:13:05,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:13:05,808 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 [2022-12-13 18:13:05,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:13:05,809 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 18:13:05,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:13:06,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:13:06,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 29 conjunts are in the unsatisfiable core [2022-12-13 18:13:06,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:13:07,487 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-12-13 18:13:07,487 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:13:07,487 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:13:07,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1475918006] [2022-12-13 18:13:07,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1475918006] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:13:07,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:13:07,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-13 18:13:07,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712196379] [2022-12-13 18:13:07,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:13:07,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-13 18:13:07,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:13:07,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 18:13:07,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2022-12-13 18:13:07,490 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) [2022-12-13 18:13:09,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:13:09,408 INFO L93 Difference]: Finished difference Result 4193 states and 5596 transitions. [2022-12-13 18:13:09,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 18:13:09,408 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 [2022-12-13 18:13:09,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:13:09,414 INFO L225 Difference]: With dead ends: 4193 [2022-12-13 18:13:09,414 INFO L226 Difference]: Without dead ends: 4193 [2022-12-13 18:13:09,414 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 [2022-12-13 18:13:09,414 INFO L413 NwaCegarLoop]: 2327 mSDtfsCounter, 1430 mSDsluCounter, 16828 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 291 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.5s IncrementalHoareTripleChecker+Time [2022-12-13 18:13:09,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1431 Valid, 19155 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [291 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-13 18:13:09,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4193 states. [2022-12-13 18:13:09,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4193 to 3882. [2022-12-13 18:13:09,452 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) [2022-12-13 18:13:09,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3882 states to 3882 states and 5135 transitions. [2022-12-13 18:13:09,459 INFO L78 Accepts]: Start accepts. Automaton has 3882 states and 5135 transitions. Word has length 119 [2022-12-13 18:13:09,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:13:09,459 INFO L495 AbstractCegarLoop]: Abstraction has 3882 states and 5135 transitions. [2022-12-13 18:13:09,459 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) [2022-12-13 18:13:09,460 INFO L276 IsEmpty]: Start isEmpty. Operand 3882 states and 5135 transitions. [2022-12-13 18:13:09,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-12-13 18:13:09,460 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:13:09,460 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] [2022-12-13 18:13:09,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:13:09,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:13:09,661 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)] === [2022-12-13 18:13:09,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:13:09,661 INFO L85 PathProgramCache]: Analyzing trace with hash -29689389, now seen corresponding path program 1 times [2022-12-13 18:13:09,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:13:09,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1964266049] [2022-12-13 18:13:09,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:13:09,662 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 [2022-12-13 18:13:09,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:13:09,663 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 18:13:09,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:13:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:13:10,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 18:13:10,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:13:10,597 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 18:13:10,598 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:13:10,598 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:13:10,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1964266049] [2022-12-13 18:13:10,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1964266049] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:13:10,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:13:10,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:13:10,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295681511] [2022-12-13 18:13:10,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:13:10,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 18:13:10,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:13:10,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:13:10,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:13:10,600 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) [2022-12-13 18:13:10,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:13:10,650 INFO L93 Difference]: Finished difference Result 3880 states and 5132 transitions. [2022-12-13 18:13:10,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:13:10,651 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 [2022-12-13 18:13:10,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:13:10,657 INFO L225 Difference]: With dead ends: 3880 [2022-12-13 18:13:10,657 INFO L226 Difference]: Without dead ends: 3880 [2022-12-13 18:13:10,657 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 [2022-12-13 18:13:10,658 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 [2022-12-13 18:13:10,658 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] [2022-12-13 18:13:10,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3880 states. [2022-12-13 18:13:10,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3880 to 3880. [2022-12-13 18:13:10,694 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) [2022-12-13 18:13:10,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3880 states to 3880 states and 5132 transitions. [2022-12-13 18:13:10,702 INFO L78 Accepts]: Start accepts. Automaton has 3880 states and 5132 transitions. Word has length 92 [2022-12-13 18:13:10,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:13:10,702 INFO L495 AbstractCegarLoop]: Abstraction has 3880 states and 5132 transitions. [2022-12-13 18:13:10,702 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) [2022-12-13 18:13:10,702 INFO L276 IsEmpty]: Start isEmpty. Operand 3880 states and 5132 transitions. [2022-12-13 18:13:10,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-12-13 18:13:10,703 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:13:10,703 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] [2022-12-13 18:13:10,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:13:10,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:13:10,904 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)] === [2022-12-13 18:13:10,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:13:10,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1533400918, now seen corresponding path program 1 times [2022-12-13 18:13:10,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:13:10,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [887357076] [2022-12-13 18:13:10,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:13:10,905 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 [2022-12-13 18:13:10,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:13:10,906 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 18:13:10,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:13:11,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:13:11,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 18:13:11,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:13:11,839 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 18:13:11,839 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:13:11,839 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:13:11,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [887357076] [2022-12-13 18:13:11,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [887357076] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:13:11,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:13:11,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:13:11,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808408005] [2022-12-13 18:13:11,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:13:11,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 18:13:11,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:13:11,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:13:11,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:13:11,841 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) [2022-12-13 18:13:11,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:13:11,892 INFO L93 Difference]: Finished difference Result 3878 states and 5129 transitions. [2022-12-13 18:13:11,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:13:11,893 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 [2022-12-13 18:13:11,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:13:11,898 INFO L225 Difference]: With dead ends: 3878 [2022-12-13 18:13:11,898 INFO L226 Difference]: Without dead ends: 3878 [2022-12-13 18:13:11,898 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 [2022-12-13 18:13:11,899 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 [2022-12-13 18:13:11,899 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] [2022-12-13 18:13:11,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3878 states. [2022-12-13 18:13:11,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3878 to 3878. [2022-12-13 18:13:11,936 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) [2022-12-13 18:13:11,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3878 states to 3878 states and 5129 transitions. [2022-12-13 18:13:11,944 INFO L78 Accepts]: Start accepts. Automaton has 3878 states and 5129 transitions. Word has length 94 [2022-12-13 18:13:11,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:13:11,944 INFO L495 AbstractCegarLoop]: Abstraction has 3878 states and 5129 transitions. [2022-12-13 18:13:11,944 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) [2022-12-13 18:13:11,945 INFO L276 IsEmpty]: Start isEmpty. Operand 3878 states and 5129 transitions. [2022-12-13 18:13:11,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-12-13 18:13:11,945 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:13:11,945 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] [2022-12-13 18:13:11,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:13:12,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:13:12,146 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)] === [2022-12-13 18:13:12,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:13:12,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1726702767, now seen corresponding path program 1 times [2022-12-13 18:13:12,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:13:12,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1846877043] [2022-12-13 18:13:12,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:13:12,147 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 [2022-12-13 18:13:12,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:13:12,148 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 18:13:12,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:13:15,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:13:15,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 813 conjuncts, 49 conjunts are in the unsatisfiable core [2022-12-13 18:13:15,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:13:15,211 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-13 18:13:15,212 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 [2022-12-13 18:13:15,585 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 [2022-12-13 18:13:15,608 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 [2022-12-13 18:13:15,641 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 [2022-12-13 18:13:15,804 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-13 18:13:15,805 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 [2022-12-13 18:13:15,999 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 [2022-12-13 18:13:16,229 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 [2022-12-13 18:13:16,582 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 [2022-12-13 18:13:16,604 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 [2022-12-13 18:13:16,740 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 [2022-12-13 18:13:16,747 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 [2022-12-13 18:13:16,767 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 [2022-12-13 18:13:16,801 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 [2022-12-13 18:13:16,900 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-13 18:13:16,901 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 [2022-12-13 18:13:16,951 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 [2022-12-13 18:13:16,958 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 [2022-12-13 18:13:16,980 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 [2022-12-13 18:13:17,013 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 [2022-12-13 18:13:17,111 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-13 18:13:17,112 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 [2022-12-13 18:13:17,155 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 [2022-12-13 18:13:17,161 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 [2022-12-13 18:13:17,397 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 7 [2022-12-13 18:13:17,439 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 [2022-12-13 18:13:17,525 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-13 18:13:17,526 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 [2022-12-13 18:13:17,721 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 57 proven. 74 refuted. 0 times theorem prover too weak. 82 trivial. 36 not checked. [2022-12-13 18:13:17,721 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 18:13:18,243 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:13:18,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1846877043] [2022-12-13 18:13:18,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1846877043] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:13:18,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1058875116] [2022-12-13 18:13:18,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:13:18,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-13 18:13:18,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/cvc4 [2022-12-13 18:13:18,268 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-13 18:13:18,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2022-12-13 18:13:32,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:13:32,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 813 conjuncts, 57 conjunts are in the unsatisfiable core [2022-12-13 18:13:32,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:13:33,320 INFO L321 Elim1Store]: treesize reduction 44, result has 34.3 percent of original size [2022-12-13 18:13:33,321 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 [2022-12-13 18:13:34,180 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 [2022-12-13 18:13:34,206 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 [2022-12-13 18:13:34,247 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 [2022-12-13 18:13:34,565 INFO L321 Elim1Store]: treesize reduction 44, result has 34.3 percent of original size [2022-12-13 18:13:34,565 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 [2022-12-13 18:13:34,997 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 [2022-12-13 18:13:35,464 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 [2022-12-13 18:13:35,845 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 [2022-12-13 18:13:35,866 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 [2022-12-13 18:13:36,033 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 [2022-12-13 18:13:36,074 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 [2022-12-13 18:13:36,115 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 [2022-12-13 18:13:36,226 INFO L321 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2022-12-13 18:13:36,227 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 [2022-12-13 18:13:36,716 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 [2022-12-13 18:13:36,963 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 [2022-12-13 18:13:37,216 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 [2022-12-13 18:13:37,585 INFO L321 Elim1Store]: treesize reduction 44, result has 34.3 percent of original size [2022-12-13 18:13:37,585 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 [2022-12-13 18:13:37,946 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 [2022-12-13 18:13:37,986 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 [2022-12-13 18:13:38,027 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 [2022-12-13 18:13:38,167 INFO L321 Elim1Store]: treesize reduction 48, result has 31.4 percent of original size [2022-12-13 18:13:38,168 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 [2022-12-13 18:13:38,936 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 67 proven. 96 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-12-13 18:13:38,936 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 18:13:39,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1058875116] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:13:39,332 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 18:13:39,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 41 [2022-12-13 18:13:39,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008705355] [2022-12-13 18:13:39,333 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 18:13:39,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-12-13 18:13:39,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:13:39,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-12-13 18:13:39,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=1291, Unknown=19, NotChecked=390, Total=1892 [2022-12-13 18:13:39,334 INFO L87 Difference]: Start difference. First operand 3878 states and 5129 transitions. Second operand has 42 states, 36 states have (on average 2.9444444444444446) internal successors, (106), 39 states have internal predecessors, (106), 18 states have call successors, (37), 8 states have call predecessors, (37), 15 states have return successors, (37), 15 states have call predecessors, (37), 18 states have call successors, (37) [2022-12-13 18:14:12,049 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_222 (_ BitVec 1))) (= |c_#valid| (store |c_old(#valid)| |c_ldv_free_#in~s.base| v_ArrVal_222))) (exists ((v_ArrVal_252 (_ BitVec 1))) (= (store |c_old(#valid)| |c_ldv_free_#in~s.base| v_ArrVal_252) |c_#valid|))) is different from true [2022-12-13 18:14:14,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:14:16,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:14:19,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:14:22,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:14:25,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:14:28,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:14:32,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:16:13,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:16:15,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:16:17,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:16:19,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:16:21,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:16:25,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:16:27,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:16:29,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:16:31,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:16:33,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:16:52,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:16:52,320 INFO L93 Difference]: Finished difference Result 5229 states and 6913 transitions. [2022-12-13 18:16:52,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-12-13 18:16:52,321 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 36 states have (on average 2.9444444444444446) internal successors, (106), 39 states have internal predecessors, (106), 18 states have call successors, (37), 8 states have call predecessors, (37), 15 states have return successors, (37), 15 states have call predecessors, (37), 18 states have call successors, (37) Word has length 128 [2022-12-13 18:16:52,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:16:52,328 INFO L225 Difference]: With dead ends: 5229 [2022-12-13 18:16:52,328 INFO L226 Difference]: Without dead ends: 5229 [2022-12-13 18:16:52,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 232 SyntacticMatches, 11 SemanticMatches, 67 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 1319 ImplicationChecksByTransitivity, 21.8s TimeCoverageRelationStatistics Valid=586, Invalid=3285, Unknown=59, NotChecked=762, Total=4692 [2022-12-13 18:16:52,329 INFO L413 NwaCegarLoop]: 1410 mSDtfsCounter, 4639 mSDsluCounter, 18887 mSDsCounter, 0 mSdLazyCounter, 29572 mSolverCounterSat, 1345 mSolverCounterUnsat, 1166 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 165.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4778 SdHoareTripleChecker+Valid, 20297 SdHoareTripleChecker+Invalid, 46328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 1345 IncrementalHoareTripleChecker+Valid, 29572 IncrementalHoareTripleChecker+Invalid, 1166 IncrementalHoareTripleChecker+Unknown, 14245 IncrementalHoareTripleChecker+Unchecked, 175.9s IncrementalHoareTripleChecker+Time [2022-12-13 18:16:52,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4778 Valid, 20297 Invalid, 46328 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [1345 Valid, 29572 Invalid, 1166 Unknown, 14245 Unchecked, 175.9s Time] [2022-12-13 18:16:52,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5229 states. [2022-12-13 18:16:52,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5229 to 4188. [2022-12-13 18:16:52,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4188 states, 2792 states have (on average 1.5107449856733524) internal successors, (4218), 3329 states have internal predecessors, (4218), 655 states have call successors, (655), 283 states have call predecessors, (655), 282 states have return successors, (727), 602 states have call predecessors, (727), 653 states have call successors, (727) [2022-12-13 18:16:52,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4188 states to 4188 states and 5600 transitions. [2022-12-13 18:16:52,401 INFO L78 Accepts]: Start accepts. Automaton has 4188 states and 5600 transitions. Word has length 128 [2022-12-13 18:16:52,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:16:52,401 INFO L495 AbstractCegarLoop]: Abstraction has 4188 states and 5600 transitions. [2022-12-13 18:16:52,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 36 states have (on average 2.9444444444444446) internal successors, (106), 39 states have internal predecessors, (106), 18 states have call successors, (37), 8 states have call predecessors, (37), 15 states have return successors, (37), 15 states have call predecessors, (37), 18 states have call successors, (37) [2022-12-13 18:16:52,401 INFO L276 IsEmpty]: Start isEmpty. Operand 4188 states and 5600 transitions. [2022-12-13 18:16:52,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-12-13 18:16:52,402 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:16:52,402 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] [2022-12-13 18:16:52,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:16:52,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2022-12-13 18:16:52,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/cvc4 --incremental --print-success --lang smt [2022-12-13 18:16:52,804 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [virtblk_update_cache_modeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, virtblk_update_cache_modeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 505 more)] === [2022-12-13 18:16:52,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:16:52,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1726702768, now seen corresponding path program 1 times [2022-12-13 18:16:52,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:16:52,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2049257278] [2022-12-13 18:16:52,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:16:52,809 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 [2022-12-13 18:16:52,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:16:52,810 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 18:16:52,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 (23)] Waiting until timeout for monitored process [2022-12-13 18:16:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:16:55,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 813 conjuncts, 74 conjunts are in the unsatisfiable core [2022-12-13 18:16:55,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:16:55,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 18:16:55,965 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 [2022-12-13 18:16:56,047 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-13 18:16:56,047 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 [2022-12-13 18:16:56,770 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 [2022-12-13 18:16:56,776 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 [2022-12-13 18:16:56,811 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 [2022-12-13 18:16:56,818 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 [2022-12-13 18:16:56,874 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 [2022-12-13 18:16:56,880 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 [2022-12-13 18:16:57,123 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-13 18:16:57,123 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 [2022-12-13 18:16:57,145 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 [2022-12-13 18:16:57,429 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 [2022-12-13 18:16:57,446 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 [2022-12-13 18:16:57,788 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 [2022-12-13 18:16:57,797 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 [2022-12-13 18:16:58,601 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 [2022-12-13 18:16:58,814 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_287 (_ BitVec 1))) (= (store |c_old(#valid)| ldv_xmalloc_~tmp~84.base v_ArrVal_287) |c_#valid|)) (exists ((v_ArrVal_288 (_ BitVec 64))) (= |c_#length| (store |c_old(#length)| ldv_xmalloc_~tmp~84.base v_ArrVal_288))))) is different from true [2022-12-13 18:16:58,824 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 [2022-12-13 18:16:58,833 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 [2022-12-13 18:16:58,863 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 [2022-12-13 18:16:58,869 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 [2022-12-13 18:16:58,929 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 [2022-12-13 18:16:58,938 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 [2022-12-13 18:16:59,105 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-13 18:16:59,105 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 [2022-12-13 18:16:59,115 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 [2022-12-13 18:16:59,202 WARN L859 $PredicateComparison]: unable to prove that (exists ((ldv_xmalloc_~tmp~84.base (_ BitVec 64))) (and (exists ((v_ArrVal_289 (_ BitVec 64))) (= (store |c_old(#length)| ldv_xmalloc_~tmp~84.base v_ArrVal_289) |c_#length|)) (= (_ bv0 1) (select |c_old(#valid)| ldv_xmalloc_~tmp~84.base)))) is different from true [2022-12-13 18:16:59,212 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 [2022-12-13 18:16:59,238 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 [2022-12-13 18:16:59,286 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 [2022-12-13 18:16:59,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 18:16:59,349 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 [2022-12-13 18:16:59,629 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 [2022-12-13 18:16:59,635 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 [2022-12-13 18:16:59,650 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 [2022-12-13 18:16:59,671 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 [2022-12-13 18:16:59,767 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-13 18:16:59,767 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 [2022-12-13 18:17:00,455 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 133 trivial. 42 not checked. [2022-12-13 18:17:00,455 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 18:17:01,908 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:17:01,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2049257278] [2022-12-13 18:17:01,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2049257278] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:17:01,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [565236850] [2022-12-13 18:17:01,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:17:01,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-13 18:17:01,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/cvc4 [2022-12-13 18:17:01,910 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-13 18:17:01,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2022-12-13 18:17:19,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:17:19,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 813 conjuncts, 81 conjunts are in the unsatisfiable core [2022-12-13 18:17:19,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:17:19,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 18:17:19,645 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 [2022-12-13 18:17:19,710 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-13 18:17:19,710 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 [2022-12-13 18:17:20,333 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 [2022-12-13 18:17:20,341 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 [2022-12-13 18:17:20,381 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 [2022-12-13 18:17:20,389 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 [2022-12-13 18:17:20,459 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 [2022-12-13 18:17:20,466 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 5 [2022-12-13 18:17:20,863 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-13 18:17:20,863 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 [2022-12-13 18:17:20,948 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-13 18:17:20,948 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 [2022-12-13 18:17:21,476 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 [2022-12-13 18:17:21,493 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 [2022-12-13 18:17:22,099 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 [2022-12-13 18:17:22,128 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 [2022-12-13 18:17:22,434 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 [2022-12-13 18:17:22,755 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 [2022-12-13 18:17:22,761 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 [2022-12-13 18:17:23,231 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 [2022-12-13 18:17:23,237 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 [2022-12-13 18:17:23,543 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 [2022-12-13 18:17:23,549 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 [2022-12-13 18:17:23,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 18:17:23,929 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 [2022-12-13 18:17:24,000 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-13 18:17:24,000 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 [2022-12-13 18:17:24,421 WARN L859 $PredicateComparison]: unable to prove that (exists ((ldv_xmalloc_~tmp~84.base (_ BitVec 64))) (and (exists ((v_ArrVal_324 (_ BitVec 64))) (= (store |c_old(#length)| ldv_xmalloc_~tmp~84.base v_ArrVal_324) |c_#length|)) (= (_ bv0 1) (select |c_old(#valid)| ldv_xmalloc_~tmp~84.base)))) is different from true [2022-12-13 18:17:24,430 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 [2022-12-13 18:17:24,457 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 [2022-12-13 18:17:24,503 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 [2022-12-13 18:17:24,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 18:17:24,581 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 [2022-12-13 18:17:24,641 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 [2022-12-13 18:17:24,656 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 [2022-12-13 18:17:24,680 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 [2022-12-13 18:17:24,769 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-13 18:17:24,770 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 [2022-12-13 18:17:25,010 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 19 proven. 119 refuted. 0 times theorem prover too weak. 76 trivial. 35 not checked. [2022-12-13 18:17:25,010 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 18:17:25,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [565236850] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:17:25,972 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 18:17:25,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 28] total 36 [2022-12-13 18:17:25,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417410493] [2022-12-13 18:17:25,972 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 18:17:25,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-12-13 18:17:25,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:17:25,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-12-13 18:17:25,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=1044, Unknown=22, NotChecked=276, Total=1482 [2022-12-13 18:17:25,975 INFO L87 Difference]: Start difference. First operand 4188 states and 5600 transitions. Second operand has 37 states, 34 states have (on average 2.411764705882353) internal successors, (82), 32 states have internal predecessors, (82), 15 states have call successors, (31), 8 states have call predecessors, (31), 13 states have return successors, (33), 15 states have call predecessors, (33), 15 states have call successors, (33) [2022-12-13 18:21:23,218 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] [2022-12-13 18:21:28,688 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] [2022-12-13 18:22:08,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:22:08,643 INFO L93 Difference]: Finished difference Result 7568 states and 10041 transitions. [2022-12-13 18:22:08,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-12-13 18:22:08,644 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 34 states have (on average 2.411764705882353) internal successors, (82), 32 states have internal predecessors, (82), 15 states have call successors, (31), 8 states have call predecessors, (31), 13 states have return successors, (33), 15 states have call predecessors, (33), 15 states have call successors, (33) Word has length 128 [2022-12-13 18:22:08,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:22:08,653 INFO L225 Difference]: With dead ends: 7568 [2022-12-13 18:22:08,653 INFO L226 Difference]: Without dead ends: 7568 [2022-12-13 18:22:08,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 235 SyntacticMatches, 5 SemanticMatches, 74 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 1467 ImplicationChecksByTransitivity, 15.8s TimeCoverageRelationStatistics Valid=631, Invalid=4460, Unknown=37, NotChecked=572, Total=5700 [2022-12-13 18:22:08,655 INFO L413 NwaCegarLoop]: 1316 mSDtfsCounter, 5942 mSDsluCounter, 17488 mSDsCounter, 0 mSdLazyCounter, 47850 mSolverCounterSat, 1647 mSolverCounterUnsat, 862 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 254.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6118 SdHoareTripleChecker+Valid, 18804 SdHoareTripleChecker+Invalid, 66403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.6s SdHoareTripleChecker+Time, 1647 IncrementalHoareTripleChecker+Valid, 47850 IncrementalHoareTripleChecker+Invalid, 862 IncrementalHoareTripleChecker+Unknown, 16044 IncrementalHoareTripleChecker+Unchecked, 272.5s IncrementalHoareTripleChecker+Time [2022-12-13 18:22:08,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6118 Valid, 18804 Invalid, 66403 Unknown, 0 Unchecked, 0.6s Time], IncrementalHoareTripleChecker [1647 Valid, 47850 Invalid, 862 Unknown, 16044 Unchecked, 272.5s Time] [2022-12-13 18:22:08,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7568 states. [2022-12-13 18:22:08,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7568 to 5566. [2022-12-13 18:22:08,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5566 states, 3838 states have (on average 1.5377800937988535) internal successors, (5902), 4406 states have internal predecessors, (5902), 874 states have call successors, (874), 401 states have call predecessors, (874), 395 states have return successors, (1035), 797 states have call predecessors, (1035), 872 states have call successors, (1035) [2022-12-13 18:22:08,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5566 states to 5566 states and 7811 transitions. [2022-12-13 18:22:08,729 INFO L78 Accepts]: Start accepts. Automaton has 5566 states and 7811 transitions. Word has length 128 [2022-12-13 18:22:08,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:22:08,729 INFO L495 AbstractCegarLoop]: Abstraction has 5566 states and 7811 transitions. [2022-12-13 18:22:08,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 34 states have (on average 2.411764705882353) internal successors, (82), 32 states have internal predecessors, (82), 15 states have call successors, (31), 8 states have call predecessors, (31), 13 states have return successors, (33), 15 states have call predecessors, (33), 15 states have call successors, (33) [2022-12-13 18:22:08,729 INFO L276 IsEmpty]: Start isEmpty. Operand 5566 states and 7811 transitions. [2022-12-13 18:22:08,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-12-13 18:22:08,730 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:22:08,730 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] [2022-12-13 18:22:08,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2022-12-13 18:22:08,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 (23)] Ended with exit code 0 [2022-12-13 18:22:09,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/cvc4 --incremental --print-success --lang smt,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:22:09,132 INFO L420 AbstractCegarLoop]: === Iteration 22 === 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)] === [2022-12-13 18:22:09,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:22:09,133 INFO L85 PathProgramCache]: Analyzing trace with hash -276735031, now seen corresponding path program 1 times [2022-12-13 18:22:09,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:22:09,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [939665562] [2022-12-13 18:22:09,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:22:09,136 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 [2022-12-13 18:22:09,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:22:09,137 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 18:22:09,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:22:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:09,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 18:22:09,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:22:10,207 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 18:22:10,207 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:22:10,208 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:22:10,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [939665562] [2022-12-13 18:22:10,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [939665562] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:22:10,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:22:10,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:22:10,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754753316] [2022-12-13 18:22:10,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:22:10,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 18:22:10,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:22:10,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:22:10,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:22:10,209 INFO L87 Difference]: Start difference. First operand 5566 states and 7811 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) [2022-12-13 18:22:10,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:22:10,280 INFO L93 Difference]: Finished difference Result 5564 states and 7808 transitions. [2022-12-13 18:22:10,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:22:10,281 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 [2022-12-13 18:22:10,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:22:10,290 INFO L225 Difference]: With dead ends: 5564 [2022-12-13 18:22:10,290 INFO L226 Difference]: Without dead ends: 5564 [2022-12-13 18:22:10,291 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 [2022-12-13 18:22:10,291 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 [2022-12-13 18:22:10,291 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] [2022-12-13 18:22:10,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5564 states. [2022-12-13 18:22:10,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5564 to 5564. [2022-12-13 18:22:10,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5564 states, 3837 states have (on average 1.5373990096429502) internal successors, (5899), 4404 states have internal predecessors, (5899), 874 states have call successors, (874), 401 states have call predecessors, (874), 395 states have return successors, (1035), 797 states have call predecessors, (1035), 872 states have call successors, (1035) [2022-12-13 18:22:10,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5564 states to 5564 states and 7808 transitions. [2022-12-13 18:22:10,358 INFO L78 Accepts]: Start accepts. Automaton has 5564 states and 7808 transitions. Word has length 100 [2022-12-13 18:22:10,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:22:10,358 INFO L495 AbstractCegarLoop]: Abstraction has 5564 states and 7808 transitions. [2022-12-13 18:22:10,358 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) [2022-12-13 18:22:10,358 INFO L276 IsEmpty]: Start isEmpty. Operand 5564 states and 7808 transitions. [2022-12-13 18:22:10,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-13 18:22:10,359 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:22:10,359 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] [2022-12-13 18:22:10,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:22:10,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:22:10,560 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_freeErr0ASSERT_VIOLATIONMEMORY_FREE === [virtblk_update_cache_modeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, virtblk_update_cache_modeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 505 more)] === [2022-12-13 18:22:10,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:22:10,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1532876472, now seen corresponding path program 1 times [2022-12-13 18:22:10,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:22:10,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [748468565] [2022-12-13 18:22:10,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:22:10,565 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 [2022-12-13 18:22:10,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:22:10,568 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 18:22:10,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:22:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:11,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 819 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-13 18:22:11,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:22:11,833 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 9 proven. 14 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2022-12-13 18:22:11,834 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 18:22:12,083 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 9 proven. 14 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2022-12-13 18:22:12,083 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:22:12,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [748468565] [2022-12-13 18:22:12,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [748468565] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 18:22:12,084 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 18:22:12,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2022-12-13 18:22:12,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179379303] [2022-12-13 18:22:12,084 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 18:22:12,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 18:22:12,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:22:12,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 18:22:12,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-13 18:22:12,086 INFO L87 Difference]: Start difference. First operand 5564 states and 7808 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) [2022-12-13 18:22:12,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:22:12,572 INFO L93 Difference]: Finished difference Result 5893 states and 8290 transitions. [2022-12-13 18:22:12,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 18:22:12,573 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 [2022-12-13 18:22:12,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:22:12,581 INFO L225 Difference]: With dead ends: 5893 [2022-12-13 18:22:12,581 INFO L226 Difference]: Without dead ends: 5893 [2022-12-13 18:22:12,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-12-13 18:22:12,581 INFO L413 NwaCegarLoop]: 2349 mSDtfsCounter, 718 mSDsluCounter, 13178 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 858 SdHoareTripleChecker+Valid, 15527 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 [2022-12-13 18:22:12,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [858 Valid, 15527 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 18:22:12,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5893 states. [2022-12-13 18:22:12,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5893 to 5588. [2022-12-13 18:22:12,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5588 states, 3857 states have (on average 1.5364272750842625) internal successors, (5926), 4424 states have internal predecessors, (5926), 874 states have call successors, (874), 405 states have call predecessors, (874), 399 states have return successors, (1035), 797 states have call predecessors, (1035), 872 states have call successors, (1035) [2022-12-13 18:22:12,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5588 states to 5588 states and 7835 transitions. [2022-12-13 18:22:12,647 INFO L78 Accepts]: Start accepts. Automaton has 5588 states and 7835 transitions. Word has length 130 [2022-12-13 18:22:12,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:22:12,647 INFO L495 AbstractCegarLoop]: Abstraction has 5588 states and 7835 transitions. [2022-12-13 18:22:12,647 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) [2022-12-13 18:22:12,647 INFO L276 IsEmpty]: Start isEmpty. Operand 5588 states and 7835 transitions. [2022-12-13 18:22:12,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-13 18:22:12,648 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:22:12,648 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] [2022-12-13 18:22:12,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:22:12,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:22:12,849 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [virtblk_update_cache_modeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, virtblk_update_cache_modeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 505 more)] === [2022-12-13 18:22:12,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:22:12,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1504030640, now seen corresponding path program 1 times [2022-12-13 18:22:12,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:22:12,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1441038823] [2022-12-13 18:22:12,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:22:12,853 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 [2022-12-13 18:22:12,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:22:12,856 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 18:22:12,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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)] Waiting until timeout for monitored process [2022-12-13 18:22:14,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:14,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 846 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-13 18:22:14,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:22:14,199 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 [2022-12-13 18:22:14,729 INFO L321 Elim1Store]: treesize reduction 52, result has 30.7 percent of original size [2022-12-13 18:22:14,729 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 [2022-12-13 18:22:14,814 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2022-12-13 18:22:14,814 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:22:14,814 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:22:14,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1441038823] [2022-12-13 18:22:14,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1441038823] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:22:14,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:22:14,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 18:22:14,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270173566] [2022-12-13 18:22:14,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:22:14,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 18:22:14,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:22:14,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 18:22:14,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-13 18:22:14,816 INFO L87 Difference]: Start difference. First operand 5588 states and 7835 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) [2022-12-13 18:22:34,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:22:34,820 INFO L93 Difference]: Finished difference Result 5992 states and 8367 transitions. [2022-12-13 18:22:34,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 18:22:34,822 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 [2022-12-13 18:22:34,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:22:34,830 INFO L225 Difference]: With dead ends: 5992 [2022-12-13 18:22:34,830 INFO L226 Difference]: Without dead ends: 5992 [2022-12-13 18:22:34,830 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 [2022-12-13 18:22:34,830 INFO L413 NwaCegarLoop]: 1859 mSDtfsCounter, 1897 mSDsluCounter, 7407 mSDsCounter, 0 mSdLazyCounter, 4823 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1899 SdHoareTripleChecker+Valid, 9266 SdHoareTripleChecker+Invalid, 4891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 4823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.7s IncrementalHoareTripleChecker+Time [2022-12-13 18:22:34,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1899 Valid, 9266 Invalid, 4891 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [68 Valid, 4823 Invalid, 0 Unknown, 0 Unchecked, 19.7s Time] [2022-12-13 18:22:34,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5992 states. [2022-12-13 18:22:34,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5992 to 5588. [2022-12-13 18:22:34,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5588 states, 3857 states have (on average 1.5361680062224528) internal successors, (5925), 4424 states have internal predecessors, (5925), 874 states have call successors, (874), 405 states have call predecessors, (874), 399 states have return successors, (1035), 797 states have call predecessors, (1035), 872 states have call successors, (1035) [2022-12-13 18:22:34,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5588 states to 5588 states and 7834 transitions. [2022-12-13 18:22:34,895 INFO L78 Accepts]: Start accepts. Automaton has 5588 states and 7834 transitions. Word has length 130 [2022-12-13 18:22:34,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:22:34,896 INFO L495 AbstractCegarLoop]: Abstraction has 5588 states and 7834 transitions. [2022-12-13 18:22:34,896 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) [2022-12-13 18:22:34,896 INFO L276 IsEmpty]: Start isEmpty. Operand 5588 states and 7834 transitions. [2022-12-13 18:22:34,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-13 18:22:34,897 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:22:34,897 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] [2022-12-13 18:22:34,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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)] Forceful destruction successful, exit code 0 [2022-12-13 18:22:35,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:22:35,098 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [virtblk_update_cache_modeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, virtblk_update_cache_modeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 505 more)] === [2022-12-13 18:22:35,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:22:35,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1504030641, now seen corresponding path program 1 times [2022-12-13 18:22:35,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:22:35,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [889809883] [2022-12-13 18:22:35,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:22:35,103 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 [2022-12-13 18:22:35,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:22:35,106 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 18:22:35,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 (28)] Waiting until timeout for monitored process [2022-12-13 18:22:36,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:22:36,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 846 conjuncts, 40 conjunts are in the unsatisfiable core [2022-12-13 18:22:36,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:22:36,578 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 [2022-12-13 18:22:36,604 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 [2022-12-13 18:22:39,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 18:22:39,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 18:22:39,388 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-13 18:22:39,388 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 [2022-12-13 18:22:39,437 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-12-13 18:22:39,437 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 [2022-12-13 18:22:39,626 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2022-12-13 18:22:39,626 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:22:39,626 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:22:39,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [889809883] [2022-12-13 18:22:39,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [889809883] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:22:39,626 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:22:39,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-13 18:22:39,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402666759] [2022-12-13 18:22:39,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:22:39,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-13 18:22:39,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:22:39,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-13 18:22:39,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2022-12-13 18:22:39,628 INFO L87 Difference]: Start difference. First operand 5588 states and 7834 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) [2022-12-13 18:24:12,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:24:12,713 INFO L93 Difference]: Finished difference Result 7815 states and 10778 transitions. [2022-12-13 18:24:12,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-13 18:24:12,713 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 [2022-12-13 18:24:12,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:24:12,723 INFO L225 Difference]: With dead ends: 7815 [2022-12-13 18:24:12,724 INFO L226 Difference]: Without dead ends: 7815 [2022-12-13 18:24:12,724 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 [2022-12-13 18:24:12,724 INFO L413 NwaCegarLoop]: 2788 mSDtfsCounter, 1905 mSDsluCounter, 16596 mSDsCounter, 0 mSdLazyCounter, 13507 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 82.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1977 SdHoareTripleChecker+Valid, 19384 SdHoareTripleChecker+Invalid, 13584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 13507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 91.4s IncrementalHoareTripleChecker+Time [2022-12-13 18:24:12,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1977 Valid, 19384 Invalid, 13584 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [77 Valid, 13507 Invalid, 0 Unknown, 0 Unchecked, 91.4s Time] [2022-12-13 18:24:12,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7815 states. [2022-12-13 18:24:12,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7815 to 6872. [2022-12-13 18:24:12,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6872 states, 4877 states have (on average 1.5696124666803364) internal successors, (7655), 5461 states have internal predecessors, (7655), 1043 states have call successors, (1043), 511 states have call predecessors, (1043), 494 states have return successors, (1265), 942 states have call predecessors, (1265), 1041 states have call successors, (1265) [2022-12-13 18:24:12,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6872 states to 6872 states and 9963 transitions. [2022-12-13 18:24:12,809 INFO L78 Accepts]: Start accepts. Automaton has 6872 states and 9963 transitions. Word has length 130 [2022-12-13 18:24:12,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:24:12,809 INFO L495 AbstractCegarLoop]: Abstraction has 6872 states and 9963 transitions. [2022-12-13 18:24:12,809 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) [2022-12-13 18:24:12,809 INFO L276 IsEmpty]: Start isEmpty. Operand 6872 states and 9963 transitions. [2022-12-13 18:24:12,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-12-13 18:24:12,810 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:24:12,810 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] [2022-12-13 18:24:12,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 (28)] Forceful destruction successful, exit code 0 [2022-12-13 18:24:13,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:24:13,011 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_freeErr1ASSERT_VIOLATIONMEMORY_FREE === [virtblk_update_cache_modeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, virtblk_update_cache_modeErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 505 more)] === [2022-12-13 18:24:13,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:24:13,014 INFO L85 PathProgramCache]: Analyzing trace with hash 274531678, now seen corresponding path program 1 times [2022-12-13 18:24:13,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:24:13,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2048552405] [2022-12-13 18:24:13,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:24:13,018 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 [2022-12-13 18:24:13,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:24:13,021 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 18:24:13,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a772b14-b4a6-4d81-9522-b556373b41dc/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:24:13,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:24:13,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-13 18:24:13,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:24:18,802 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 87 proven. 59 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-12-13 18:24:18,802 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 18:24:22,265 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 27 proven. 30 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-12-13 18:24:22,265 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:24:22,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2048552405] [2022-12-13 18:24:22,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2048552405] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 18:24:22,266 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 18:24:22,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 13] total 30 [2022-12-13 18:24:22,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289546325] [2022-12-13 18:24:22,266 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 18:24:22,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-12-13 18:24:22,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:24:22,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-12-13 18:24:22,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=798, Unknown=0, NotChecked=0, Total=930 [2022-12-13 18:24:22,269 INFO L87 Difference]: Start difference. First operand 6872 states and 9963 transitions. Second operand has 31 states, 24 states have (on average 4.458333333333333) internal successors, (107), 22 states have internal predecessors, (107), 11 states have call successors, (35), 5 states have call predecessors, (35), 9 states have return successors, (33), 15 states have call predecessors, (33), 11 states have call successors, (33)