./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/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_bb8b8544-2c35-439e-9a9a-42444facf863/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e6fe8c59d377aa736bd14f3fafaa24b496bb4607101882bb7ce5966b11428bcb --- 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 13:44:29,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:44:29,399 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:44:29,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:44:29,412 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:44:29,413 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:44:29,414 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:44:29,415 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:44:29,416 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:44:29,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:44:29,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:44:29,418 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:44:29,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:44:29,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:44:29,419 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:44:29,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:44:29,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:44:29,421 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:44:29,422 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:44:29,423 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:44:29,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:44:29,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:44:29,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:44:29,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:44:29,428 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:44:29,428 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:44:29,428 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:44:29,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:44:29,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:44:29,430 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:44:29,430 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:44:29,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:44:29,431 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:44:29,431 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:44:29,432 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:44:29,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:44:29,433 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:44:29,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:44:29,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:44:29,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:44:29,434 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:44:29,435 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 13:44:29,457 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:44:29,457 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:44:29,458 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:44:29,458 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:44:29,459 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:44:29,459 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:44:29,459 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:44:29,459 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:44:29,459 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:44:29,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:44:29,460 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:44:29,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:44:29,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:44:29,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:44:29,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:44:29,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:44:29,466 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:44:29,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:44:29,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:44:29,466 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:44:29,466 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:44:29,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:44:29,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:44:29,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:44:29,467 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:44:29,467 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:44:29,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 13:44:29,467 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:44:29,467 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:44:29,467 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:44:29,467 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:44:29,467 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:44:29,467 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_bb8b8544-2c35-439e-9a9a-42444facf863/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6fe8c59d377aa736bd14f3fafaa24b496bb4607101882bb7ce5966b11428bcb [2022-12-13 13:44:29,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:44:29,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:44:29,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:44:29,657 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:44:29,657 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:44:29,658 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2022-12-13 13:44:32,135 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:44:32,458 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:44:32,459 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2022-12-13 13:44:32,479 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/bin/uautomizer-uyxdKDjOR8/data/75fb73d5f/78b830ca97da4d7ebff20d8f8aa477b7/FLAG803ff1918 [2022-12-13 13:44:32,710 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/bin/uautomizer-uyxdKDjOR8/data/75fb73d5f/78b830ca97da4d7ebff20d8f8aa477b7 [2022-12-13 13:44:32,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:44:32,716 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:44:32,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:44:32,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:44:32,725 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:44:32,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:44:32" (1/1) ... [2022-12-13 13:44:32,727 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@860fb47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:32, skipping insertion in model container [2022-12-13 13:44:32,727 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:44:32" (1/1) ... [2022-12-13 13:44:32,735 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:44:32,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:44:33,110 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 13:44:33,129 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 13:44:33,159 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 13:44:33,159 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 13:44:33,171 WARN L623 FunctionHandler]: Unknown extern function mempool_create [2022-12-13 13:44:33,231 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 13:44:33,232 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_dereference [2022-12-13 13:44:33,264 WARN L623 FunctionHandler]: Unknown extern function ldv_is_err [2022-12-13 13:44:33,271 WARN L623 FunctionHandler]: Unknown extern function __get_free_pages [2022-12-13 13:44:33,277 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_alloc_notrace [2022-12-13 13:44:33,288 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 13:44:33,296 WARN L623 FunctionHandler]: Unknown extern function virtqueue_add_buf_gfp [2022-12-13 13:44:33,309 WARN L623 FunctionHandler]: Unknown extern function virtio_check_driver_offered_feature [2022-12-13 13:44:33,321 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 13:44:33,325 WARN L623 FunctionHandler]: Unknown extern function __blk_end_request_all [2022-12-13 13:44:33,325 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 13:44:33,326 WARN L623 FunctionHandler]: Unknown extern function mempool_free [2022-12-13 13:44:33,326 WARN L623 FunctionHandler]: Unknown extern function virtqueue_get_buf [2022-12-13 13:44:33,327 WARN L623 FunctionHandler]: Unknown extern function blk_start_queue [2022-12-13 13:44:33,331 WARN L623 FunctionHandler]: Unknown extern function mempool_alloc [2022-12-13 13:44:33,337 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_sg [2022-12-13 13:44:33,342 WARN L623 FunctionHandler]: Unknown extern function mempool_free [2022-12-13 13:44:33,347 WARN L623 FunctionHandler]: Unknown extern function blk_stop_queue [2022-12-13 13:44:33,347 WARN L623 FunctionHandler]: Unknown extern function blk_start_request [2022-12-13 13:44:33,348 WARN L623 FunctionHandler]: Unknown extern function blk_peek_request [2022-12-13 13:44:33,348 WARN L623 FunctionHandler]: Unknown extern function virtqueue_kick [2022-12-13 13:44:33,354 WARN L623 FunctionHandler]: Unknown extern function bio_map_kern [2022-12-13 13:44:33,356 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-12-13 13:44:33,357 WARN L623 FunctionHandler]: Unknown extern function blk_execute_rq [2022-12-13 13:44:33,362 WARN L623 FunctionHandler]: Unknown extern function scsi_cmd_ioctl [2022-12-13 13:44:33,374 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 13:44:33,375 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-12-13 13:44:33,377 WARN L623 FunctionHandler]: Unknown extern function alloc_disk [2022-12-13 13:44:33,378 WARN L623 FunctionHandler]: Unknown extern function blk_init_queue [2022-12-13 13:44:33,379 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 13:44:33,381 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 13:44:33,382 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 13:44:33,385 WARN L623 FunctionHandler]: Unknown extern function blk_queue_ordered [2022-12-13 13:44:33,385 WARN L623 FunctionHandler]: Unknown extern function blk_queue_ordered [2022-12-13 13:44:33,386 WARN L623 FunctionHandler]: Unknown extern function set_disk_ro [2022-12-13 13:44:33,387 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segments [2022-12-13 13:44:33,387 WARN L623 FunctionHandler]: Unknown extern function blk_queue_bounce_limit [2022-12-13 13:44:33,387 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_hw_sectors [2022-12-13 13:44:33,388 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-12-13 13:44:33,388 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-12-13 13:44:33,389 WARN L623 FunctionHandler]: Unknown extern function blk_queue_logical_block_size [2022-12-13 13:44:33,390 WARN L623 FunctionHandler]: Unknown extern function blk_queue_physical_block_size [2022-12-13 13:44:33,391 WARN L623 FunctionHandler]: Unknown extern function blk_queue_alignment_offset [2022-12-13 13:44:33,391 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_min [2022-12-13 13:44:33,392 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_opt [2022-12-13 13:44:33,393 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-12-13 13:44:33,393 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-13 13:44:33,393 WARN L623 FunctionHandler]: Unknown extern function mempool_destroy [2022-12-13 13:44:33,394 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:44:33,398 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-12-13 13:44:33,398 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-12-13 13:44:33,399 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-13 13:44:33,399 WARN L623 FunctionHandler]: Unknown extern function mempool_destroy [2022-12-13 13:44:33,399 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:44:33,403 WARN L623 FunctionHandler]: Unknown extern function register_blkdev [2022-12-13 13:44:33,404 WARN L623 FunctionHandler]: Unknown extern function register_virtio_driver [2022-12-13 13:44:33,407 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-12-13 13:44:33,408 WARN L623 FunctionHandler]: Unknown extern function unregister_virtio_driver [2022-12-13 13:44:33,415 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 13:44:33,416 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 13:44:33,416 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 13:44:33,417 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 13:44:33,417 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 13:44:33,420 WARN L623 FunctionHandler]: Unknown extern function ldv_is_err [2022-12-13 13:44:33,420 WARN L623 FunctionHandler]: Unknown extern function blk_make_request [2022-12-13 13:44:33,423 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_bb8b8544-2c35-439e-9a9a-42444facf863/sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i[122264,122277] [2022-12-13 13:44:33,429 WARN L623 FunctionHandler]: Unknown extern function ldv_is_err [2022-12-13 13:44:33,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:44:33,457 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:44:33,514 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 13:44:33,516 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 13:44:33,518 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 13:44:33,518 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 13:44:33,519 WARN L623 FunctionHandler]: Unknown extern function mempool_create [2022-12-13 13:44:33,522 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 13:44:33,523 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_dereference [2022-12-13 13:44:33,528 WARN L623 FunctionHandler]: Unknown extern function ldv_is_err [2022-12-13 13:44:33,529 WARN L623 FunctionHandler]: Unknown extern function __get_free_pages [2022-12-13 13:44:33,531 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_alloc_notrace [2022-12-13 13:44:33,534 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 13:44:33,535 WARN L623 FunctionHandler]: Unknown extern function virtqueue_add_buf_gfp [2022-12-13 13:44:33,536 WARN L623 FunctionHandler]: Unknown extern function virtio_check_driver_offered_feature [2022-12-13 13:44:33,546 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 13:44:33,548 WARN L623 FunctionHandler]: Unknown extern function __blk_end_request_all [2022-12-13 13:44:33,548 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 13:44:33,548 WARN L623 FunctionHandler]: Unknown extern function mempool_free [2022-12-13 13:44:33,549 WARN L623 FunctionHandler]: Unknown extern function virtqueue_get_buf [2022-12-13 13:44:33,549 WARN L623 FunctionHandler]: Unknown extern function blk_start_queue [2022-12-13 13:44:33,560 WARN L623 FunctionHandler]: Unknown extern function mempool_alloc [2022-12-13 13:44:33,564 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_sg [2022-12-13 13:44:33,567 WARN L623 FunctionHandler]: Unknown extern function mempool_free [2022-12-13 13:44:33,569 WARN L623 FunctionHandler]: Unknown extern function blk_stop_queue [2022-12-13 13:44:33,569 WARN L623 FunctionHandler]: Unknown extern function blk_start_request [2022-12-13 13:44:33,569 WARN L623 FunctionHandler]: Unknown extern function blk_peek_request [2022-12-13 13:44:33,570 WARN L623 FunctionHandler]: Unknown extern function virtqueue_kick [2022-12-13 13:44:33,571 WARN L623 FunctionHandler]: Unknown extern function bio_map_kern [2022-12-13 13:44:33,578 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-12-13 13:44:33,578 WARN L623 FunctionHandler]: Unknown extern function blk_execute_rq [2022-12-13 13:44:33,585 WARN L623 FunctionHandler]: Unknown extern function scsi_cmd_ioctl [2022-12-13 13:44:33,594 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 13:44:33,594 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-12-13 13:44:33,596 WARN L623 FunctionHandler]: Unknown extern function alloc_disk [2022-12-13 13:44:33,596 WARN L623 FunctionHandler]: Unknown extern function blk_init_queue [2022-12-13 13:44:33,602 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 13:44:33,603 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 13:44:33,604 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 13:44:33,607 WARN L623 FunctionHandler]: Unknown extern function blk_queue_ordered [2022-12-13 13:44:33,610 WARN L623 FunctionHandler]: Unknown extern function blk_queue_ordered [2022-12-13 13:44:33,610 WARN L623 FunctionHandler]: Unknown extern function set_disk_ro [2022-12-13 13:44:33,613 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segments [2022-12-13 13:44:33,613 WARN L623 FunctionHandler]: Unknown extern function blk_queue_bounce_limit [2022-12-13 13:44:33,613 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_hw_sectors [2022-12-13 13:44:33,614 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-12-13 13:44:33,614 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-12-13 13:44:33,614 WARN L623 FunctionHandler]: Unknown extern function blk_queue_logical_block_size [2022-12-13 13:44:33,615 WARN L623 FunctionHandler]: Unknown extern function blk_queue_physical_block_size [2022-12-13 13:44:33,616 WARN L623 FunctionHandler]: Unknown extern function blk_queue_alignment_offset [2022-12-13 13:44:33,616 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_min [2022-12-13 13:44:33,617 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_opt [2022-12-13 13:44:33,617 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-12-13 13:44:33,617 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-13 13:44:33,617 WARN L623 FunctionHandler]: Unknown extern function mempool_destroy [2022-12-13 13:44:33,620 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:44:33,622 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-12-13 13:44:33,622 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-12-13 13:44:33,624 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-13 13:44:33,624 WARN L623 FunctionHandler]: Unknown extern function mempool_destroy [2022-12-13 13:44:33,625 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:44:33,626 WARN L623 FunctionHandler]: Unknown extern function register_blkdev [2022-12-13 13:44:33,627 WARN L623 FunctionHandler]: Unknown extern function register_virtio_driver [2022-12-13 13:44:33,627 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-12-13 13:44:33,627 WARN L623 FunctionHandler]: Unknown extern function unregister_virtio_driver [2022-12-13 13:44:33,628 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 13:44:33,628 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 13:44:33,628 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 13:44:33,628 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 13:44:33,629 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 13:44:33,629 WARN L623 FunctionHandler]: Unknown extern function ldv_is_err [2022-12-13 13:44:33,630 WARN L623 FunctionHandler]: Unknown extern function blk_make_request [2022-12-13 13:44:33,630 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i[122264,122277] [2022-12-13 13:44:33,631 WARN L623 FunctionHandler]: Unknown extern function ldv_is_err [2022-12-13 13:44:33,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:44:33,654 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:44:33,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:33 WrapperNode [2022-12-13 13:44:33,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:44:33,656 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:44:33,656 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:44:33,656 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:44:33,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:33" (1/1) ... [2022-12-13 13:44:33,683 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:33" (1/1) ... [2022-12-13 13:44:33,710 INFO L138 Inliner]: procedures = 143, calls = 530, calls flagged for inlining = 91, calls inlined = 29, statements flattened = 500 [2022-12-13 13:44:33,710 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:44:33,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:44:33,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:44:33,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:44:33,718 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:33" (1/1) ... [2022-12-13 13:44:33,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:33" (1/1) ... [2022-12-13 13:44:33,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:33" (1/1) ... [2022-12-13 13:44:33,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:33" (1/1) ... [2022-12-13 13:44:33,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:33" (1/1) ... [2022-12-13 13:44:33,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:33" (1/1) ... [2022-12-13 13:44:33,737 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:33" (1/1) ... [2022-12-13 13:44:33,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:33" (1/1) ... [2022-12-13 13:44:33,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:44:33,753 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:44:33,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:44:33,753 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:44:33,754 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:33" (1/1) ... [2022-12-13 13:44:33,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:44:33,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:44:33,782 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:44:33,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:44:33,815 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2022-12-13 13:44:33,815 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2022-12-13 13:44:33,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 13:44:33,815 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2022-12-13 13:44:33,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2022-12-13 13:44:33,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 13:44:33,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 13:44:33,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 13:44:33,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 13:44:33,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 13:44:33,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 13:44:33,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 13:44:33,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 13:44:33,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:44:33,816 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2022-12-13 13:44:33,816 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2022-12-13 13:44:33,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 13:44:33,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 13:44:33,816 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-12-13 13:44:33,816 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-12-13 13:44:33,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-13 13:44:33,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-13 13:44:33,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 13:44:33,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 13:44:33,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 13:44:33,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-12-13 13:44:33,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-12-13 13:44:33,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:44:33,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:44:33,817 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-13 13:44:33,817 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-13 13:44:33,993 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:44:33,994 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:44:34,330 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:44:34,337 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:44:34,337 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 13:44:34,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:44:34 BoogieIcfgContainer [2022-12-13 13:44:34,340 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:44:34,342 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:44:34,342 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:44:34,345 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:44:34,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:44:32" (1/3) ... [2022-12-13 13:44:34,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e143412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:44:34, skipping insertion in model container [2022-12-13 13:44:34,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:33" (2/3) ... [2022-12-13 13:44:34,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e143412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:44:34, skipping insertion in model container [2022-12-13 13:44:34,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:44:34" (3/3) ... [2022-12-13 13:44:34,348 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2022-12-13 13:44:34,367 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:44:34,367 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 13:44:34,428 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:44:34,435 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@226cdf1c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:44:34,435 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 13:44:34,439 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 98 states have (on average 1.2551020408163265) internal successors, (123), 101 states have internal predecessors, (123), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-12-13 13:44:34,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-13 13:44:34,447 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:44:34,447 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:44:34,448 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:44:34,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:44:34,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1803778122, now seen corresponding path program 1 times [2022-12-13 13:44:34,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:44:34,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354876621] [2022-12-13 13:44:34,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:44:34,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:44:34,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:44:34,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 13:44:34,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:44:34,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:44:34,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:44:34,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354876621] [2022-12-13 13:44:34,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354876621] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:44:34,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:44:34,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 13:44:34,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356196744] [2022-12-13 13:44:34,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:44:34,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:44:34,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:44:34,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:44:34,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:44:34,781 INFO L87 Difference]: Start difference. First operand has 129 states, 98 states have (on average 1.2551020408163265) internal successors, (123), 101 states have internal predecessors, (123), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 13:44:34,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:44:34,844 INFO L93 Difference]: Finished difference Result 346 states and 438 transitions. [2022-12-13 13:44:34,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:44:34,846 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-12-13 13:44:34,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:44:34,854 INFO L225 Difference]: With dead ends: 346 [2022-12-13 13:44:34,854 INFO L226 Difference]: Without dead ends: 216 [2022-12-13 13:44:34,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:44:34,859 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 139 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:44:34,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 303 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:44:34,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2022-12-13 13:44:34,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2022-12-13 13:44:34,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 165 states have (on average 1.2181818181818183) internal successors, (201), 166 states have internal predecessors, (201), 33 states have call successors, (33), 18 states have call predecessors, (33), 17 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2022-12-13 13:44:34,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 265 transitions. [2022-12-13 13:44:34,906 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 265 transitions. Word has length 15 [2022-12-13 13:44:34,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:44:34,907 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 265 transitions. [2022-12-13 13:44:34,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 13:44:34,907 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 265 transitions. [2022-12-13 13:44:34,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-12-13 13:44:34,910 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:44:34,910 INFO L195 NwaCegarLoop]: trace histogram [3, 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 13:44:34,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 13:44:34,910 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:44:34,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:44:34,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1193905023, now seen corresponding path program 1 times [2022-12-13 13:44:34,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:44:34,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80984650] [2022-12-13 13:44:34,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:44:34,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:44:34,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:44:35,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 13:44:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:44:35,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 13:44:35,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:44:35,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 13:44:35,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:44:35,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 13:44:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:44:35,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:44:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:44:35,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 13:44:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:44:35,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-12-13 13:44:35,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:44:35,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:44:35,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:44:35,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 13:44:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:44:35,146 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-13 13:44:35,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:44:35,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80984650] [2022-12-13 13:44:35,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80984650] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:44:35,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:44:35,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:44:35,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173082916] [2022-12-13 13:44:35,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:44:35,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 13:44:35,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:44:35,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:44:35,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:44:35,150 INFO L87 Difference]: Start difference. First operand 216 states and 265 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 13:44:35,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:44:35,321 INFO L93 Difference]: Finished difference Result 428 states and 526 transitions. [2022-12-13 13:44:35,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 13:44:35,322 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 78 [2022-12-13 13:44:35,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:44:35,324 INFO L225 Difference]: With dead ends: 428 [2022-12-13 13:44:35,325 INFO L226 Difference]: Without dead ends: 220 [2022-12-13 13:44:35,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:44:35,327 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 36 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:44:35,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 388 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:44:35,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-12-13 13:44:35,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 216. [2022-12-13 13:44:35,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 165 states have (on average 1.2121212121212122) internal successors, (200), 166 states have internal predecessors, (200), 33 states have call successors, (33), 18 states have call predecessors, (33), 17 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2022-12-13 13:44:35,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 264 transitions. [2022-12-13 13:44:35,352 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 264 transitions. Word has length 78 [2022-12-13 13:44:35,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:44:35,353 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 264 transitions. [2022-12-13 13:44:35,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 13:44:35,353 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 264 transitions. [2022-12-13 13:44:35,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-12-13 13:44:35,356 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:44:35,356 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-12-13 13:44:35,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 13:44:35,356 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:44:35,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:44:35,357 INFO L85 PathProgramCache]: Analyzing trace with hash -391319208, now seen corresponding path program 1 times [2022-12-13 13:44:35,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:44:35,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797826533] [2022-12-13 13:44:35,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:44:35,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:44:35,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:44:35,415 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:44:35,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:44:35,489 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:44:35,489 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 13:44:35,490 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 13:44:35,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 13:44:35,494 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 13:44:35,497 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 13:44:35,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 01:44:35 BoogieIcfgContainer [2022-12-13 13:44:35,563 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 13:44:35,563 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 13:44:35,563 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 13:44:35,564 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 13:44:35,564 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:44:34" (3/4) ... [2022-12-13 13:44:35,567 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 13:44:35,567 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 13:44:35,568 INFO L158 Benchmark]: Toolchain (without parser) took 2851.84ms. Allocated memory was 115.3MB in the beginning and 167.8MB in the end (delta: 52.4MB). Free memory was 76.6MB in the beginning and 94.3MB in the end (delta: -17.7MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2022-12-13 13:44:35,568 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 115.3MB. Free memory is still 89.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:44:35,569 INFO L158 Benchmark]: CACSL2BoogieTranslator took 936.47ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 76.3MB in the beginning and 63.1MB in the end (delta: 13.2MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2022-12-13 13:44:35,569 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.63ms. Allocated memory is still 138.4MB. Free memory was 63.1MB in the beginning and 58.2MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-13 13:44:35,570 INFO L158 Benchmark]: Boogie Preprocessor took 41.80ms. Allocated memory is still 138.4MB. Free memory was 58.2MB in the beginning and 93.0MB in the end (delta: -34.9MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2022-12-13 13:44:35,570 INFO L158 Benchmark]: RCFGBuilder took 586.72ms. Allocated memory is still 138.4MB. Free memory was 93.0MB in the beginning and 52.5MB in the end (delta: 40.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-12-13 13:44:35,571 INFO L158 Benchmark]: TraceAbstraction took 1220.96ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 52.0MB in the beginning and 95.3MB in the end (delta: -43.4MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2022-12-13 13:44:35,571 INFO L158 Benchmark]: Witness Printer took 3.92ms. Allocated memory is still 167.8MB. Free memory was 95.3MB in the beginning and 94.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:44:35,574 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 115.3MB. Free memory is still 89.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 936.47ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 76.3MB in the beginning and 63.1MB in the end (delta: 13.2MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.63ms. Allocated memory is still 138.4MB. Free memory was 63.1MB in the beginning and 58.2MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.80ms. Allocated memory is still 138.4MB. Free memory was 58.2MB in the beginning and 93.0MB in the end (delta: -34.9MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * RCFGBuilder took 586.72ms. Allocated memory is still 138.4MB. Free memory was 93.0MB in the beginning and 52.5MB in the end (delta: 40.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1220.96ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 52.0MB in the beginning and 95.3MB in the end (delta: -43.4MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. * Witness Printer took 3.92ms. Allocated memory is still 167.8MB. Free memory was 95.3MB in the beginning and 94.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 4295]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 4179. Possible FailurePath: [L3648] static int major ; [L3649] static int index ; [L3974-L3975] static struct block_device_operations const virtblk_fops = {0, 0, & virtblk_ioctl, 0, 0, 0, 0, 0, 0, & virtblk_getgeo, 0, & __this_module}; [L4173-L4174] static struct virtio_device_id const id_table[2U] = { {2U, 4294967295U}, {0U, 0U}}; [L4175-L4178] static unsigned int features[9U] = { 0U, 2U, 1U, 4U, 5U, 6U, 7U, 9U, 10U}; [L4179-L4180] static struct virtio_driver virtio_blk = {{"virtio_blk", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct virtio_device_id const *)(& id_table), (unsigned int const *)(& features), 9U, & virtblk_probe, & virtblk_remove, 0}; [L4202] struct virtio_device_id const __mod_virtio_device_table ; [L4207] int LDV_IN_INTERRUPT ; [L4348] int ldv_blk_rq = 0; VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551617:18446744073709551624}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=0, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4210] struct block_device *var_group1 ; [L4211] fmode_t var_virtblk_ioctl_5_p1 ; [L4212] unsigned int var_virtblk_ioctl_5_p2 ; [L4213] unsigned long var_virtblk_ioctl_5_p3 ; [L4214] struct hd_geometry *var_group2 ; [L4215] int tmp ; [L4216] int tmp___0 ; [L4217] int tmp___1 ; [L4219] LDV_IN_INTERRUPT = 1 [L4220] FCALL ldv_initialize() [L4221] FCALL ldv_handler_precall() VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551617:18446744073709551624}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4222] CALL, EXPR init() [L4183] int tmp ; [L4185] CALL, EXPR register_blkdev(0U, "virtblk") [L4531] return __VERIFIER_nondet_int(); [L4185] RET, EXPR register_blkdev(0U, "virtblk") [L4185] major = register_blkdev(0U, "virtblk") [L4186] COND FALSE !(major < 0) [L4190] CALL, EXPR register_virtio_driver(& virtio_blk) [L4535] return __VERIFIER_nondet_int(); [L4190] RET, EXPR register_virtio_driver(& virtio_blk) [L4190] tmp = register_virtio_driver(& virtio_blk) [L4191] return (tmp); VAL [\result=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551617:18446744073709551624}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, tmp=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4222] RET, EXPR init() [L4222] tmp = init() [L4223] COND FALSE !(tmp != 0) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551617:18446744073709551624}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, tmp=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4244] tmp___1 = __VERIFIER_nondet_int() [L4245] COND TRUE tmp___1 != 0 VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551617:18446744073709551624}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, tmp=0, tmp___1=1, virtblk_fops={12:0}, virtio_blk={15:0}] [L4229] tmp___0 = __VERIFIER_nondet_int() [L4231] case 0: VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551617:18446744073709551624}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, tmp=0, tmp___0=0, tmp___1=1, virtblk_fops={12:0}, virtio_blk={15:0}] [L4232] FCALL ldv_handler_precall() VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551617:18446744073709551624}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, tmp=0, tmp___0=0, tmp___1=1, virtblk_fops={12:0}, virtio_blk={15:0}] [L4233] CALL virtblk_ioctl(var_group1, var_virtblk_ioctl_5_p1, var_virtblk_ioctl_5_p2, var_virtblk_ioctl_5_p3) [L3912] struct gendisk *disk ; [L3913] struct virtio_blk *vblk ; [L3914] void *usr_data ; [L3915] char id_str[20U] ; [L3916] int err ; [L3917] int tmp ; [L3918] bool tmp___0 ; [L3919] int tmp___1 ; [L3920] int tmp___2 ; [L3922] EXPR bdev->bd_disk [L3922] disk = bdev->bd_disk [L3923] EXPR disk->private_data [L3923] vblk = (struct virtio_blk *)disk->private_data [L3924] COND TRUE cmd == 1447184708U [L3925] usr_data = (void *)data [L3926] CALL, EXPR virtblk_get_id(disk, (char *)(& id_str)) [L3879] struct virtio_blk *vblk ; [L3880] struct request *req ; [L3881] struct bio *bio ; [L3882] long tmp ; [L3883] long tmp___0 ; [L3884] long tmp___1 ; [L3885] long tmp___2 ; [L3886] int tmp___3 ; [L3888] EXPR disk->private_data [L3888] vblk = (struct virtio_blk *)disk->private_data [L3889] EXPR vblk->disk [L3889] EXPR (vblk->disk)->queue [L3889] CALL, EXPR bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L4427] CALL, EXPR ldv_malloc(sizeof(struct bio)) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551617:18446744073709551624}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L3456] COND FALSE !(__VERIFIER_nondet_int()) [L3461] return ((void *)0); VAL [\old(size)=112, \result={0:0}, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551617:18446744073709551624}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, size=112, virtblk_fops={12:0}, virtio_blk={15:0}] [L4427] RET, EXPR ldv_malloc(sizeof(struct bio)) VAL [\old(arg2)=20, \old(arg3)=208, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551617:18446744073709551624}, arg0={18446744073709551618:18446744073709551621}, arg0={18446744073709551618:18446744073709551621}, arg1={17:0}, arg1={17:0}, arg2=20, arg3=208, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct bio))={0:0}, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4427] return ldv_malloc(sizeof(struct bio)); [L3889] RET, EXPR bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L3889] bio = bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L3890] CALL, EXPR IS_ERR((void const *)bio) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551617:18446744073709551624}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4274] long tmp ; VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551617:18446744073709551624}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, ptr={0:0}, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4276] CALL, EXPR ldv_is_err(ptr) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551617:18446744073709551624}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4307] return ((unsigned long )ptr > 2012UL); VAL [\result=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551617:18446744073709551624}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, ptr={0:0}, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4276] RET, EXPR ldv_is_err(ptr) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551617:18446744073709551624}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_is_err(ptr)=0, major=0, ptr={0:0}, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4276] tmp = ldv_is_err(ptr) [L4277] return (tmp); VAL [\result=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551617:18446744073709551624}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, ptr={0:0}, ptr={0:0}, tmp=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L3890] RET, EXPR IS_ERR((void const *)bio) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551617:18446744073709551624}, bio={0:0}, disk={18446744073709551615:0}, disk={18446744073709551615:0}, features={14:0}, id_str={17:0}, id_str={17:0}, id_table={13:0}, index=0, IS_ERR((void const *)bio)=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, vblk={0:-8}, virtblk_fops={12:0}, virtio_blk={15:0}] [L3890] tmp___0 = IS_ERR((void const *)bio) [L3891] COND FALSE !(tmp___0 != 0L) [L3896] EXPR vblk->disk [L3896] EXPR (vblk->disk)->queue [L3896] CALL, EXPR ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L4283] ldv_func_ret_type___3 ldv_func_res ; [L4284] struct request *tmp ; [L4286] CALL, EXPR blk_make_request(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4443] CALL, EXPR ldv_malloc(sizeof(struct request)) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551617:18446744073709551624}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L3456] COND FALSE !(__VERIFIER_nondet_int()) [L3461] return ((void *)0); VAL [\old(size)=322, \result={0:0}, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551617:18446744073709551624}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, size=322, virtblk_fops={12:0}, virtio_blk={15:0}] [L4443] RET, EXPR ldv_malloc(sizeof(struct request)) VAL [\old(arg2)=208, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551617:18446744073709551624}, arg0={18446744073709551618:18446744073709551621}, arg0={18446744073709551618:18446744073709551621}, arg1={0:0}, arg1={0:0}, arg2=208, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct request))={0:0}, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4443] return ldv_malloc(sizeof(struct request)); [L4286] RET, EXPR blk_make_request(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4286] tmp = blk_make_request(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4287] ldv_func_res = tmp [L4288] CALL ldv_get_blk_rq(ldv_func_res, ldv_func_arg3) [L4351] long tmp ; VAL [\old(mask)=208, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551617:18446744073709551624}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, mask=208, res={0:0}, res={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4353] COND TRUE ldv_blk_rq == 0 VAL [\old(mask)=208, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551617:18446744073709551624}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, mask=208, res={0:0}, res={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4357] COND TRUE (mask == 16U || mask == 208U) || mask == 16U [L4358] ldv_blk_rq = 1 VAL [\old(mask)=208, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551617:18446744073709551624}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, mask=208, res={0:0}, res={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4288] RET ldv_get_blk_rq(ldv_func_res, ldv_func_arg3) [L4289] return (ldv_func_res); VAL [\old(ldv_func_arg3)=208, \result={0:0}, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551617:18446744073709551624}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, ldv_func_arg1={18446744073709551618:18446744073709551621}, ldv_func_arg1={18446744073709551618:18446744073709551621}, ldv_func_arg2={0:0}, ldv_func_arg2={0:0}, ldv_func_arg3=208, ldv_func_res={0:0}, LDV_IN_INTERRUPT=1, major=0, tmp={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L3896] RET, EXPR ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L3896] req = ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L3897] CALL, EXPR IS_ERR((void const *)req) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551617:18446744073709551624}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4274] long tmp ; VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551617:18446744073709551624}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, ptr={0:0}, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4276] CALL, EXPR ldv_is_err(ptr) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551617:18446744073709551624}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4307] return ((unsigned long )ptr > 2012UL); VAL [\result=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551617:18446744073709551624}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, ptr={0:0}, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4276] RET, EXPR ldv_is_err(ptr) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551617:18446744073709551624}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_is_err(ptr)=0, major=0, ptr={0:0}, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4276] tmp = ldv_is_err(ptr) [L4277] return (tmp); VAL [\result=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551617:18446744073709551624}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, ptr={0:0}, ptr={0:0}, tmp=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L3897] RET, EXPR IS_ERR((void const *)req) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551617:18446744073709551624}, bio={0:0}, disk={18446744073709551615:0}, disk={18446744073709551615:0}, features={14:0}, id_str={17:0}, id_str={17:0}, id_table={13:0}, index=0, IS_ERR((void const *)req)=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, req={0:0}, tmp___0=0, vblk={0:-8}, virtblk_fops={12:0}, virtio_blk={15:0}] [L3897] tmp___2 = IS_ERR((void const *)req) [L3898] COND FALSE !(tmp___2 != 0L) [L3904] req->cmd_type = 7 [L3905] EXPR vblk->disk [L3905] EXPR (vblk->disk)->queue [L3905] EXPR vblk->disk [L3905] CALL, EXPR blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L4437] return __VERIFIER_nondet_int(); [L3905] RET, EXPR blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L3905] tmp___3 = blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L3906] return (tmp___3); VAL [\result=1, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551617:18446744073709551624}, bio={0:0}, disk={18446744073709551615:0}, disk={18446744073709551615:0}, features={14:0}, id_str={17:0}, id_str={17:0}, id_table={13:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, req={0:0}, tmp___0=0, tmp___2=0, tmp___3=1, vblk={0:-8}, virtblk_fops={12:0}, virtio_blk={15:0}] [L3926] RET, EXPR virtblk_get_id(disk, (char *)(& id_str)) [L3926] err = virtblk_get_id(disk, (char *)(& id_str)) [L3927] COND FALSE !(err == 0) VAL [\old(cmd)=1447184708, \old(data)=18446744073709551613, \old(mode)=4294967294, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551617:18446744073709551624}, bdev={18446744073709551619:-2}, bdev={18446744073709551619:-2}, cmd=1447184708, data=18446744073709551613, disk={18446744073709551615:0}, err=1, features={14:0}, id_str={17:0}, id_table={13:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, mode=4294967294, usr_data={0:-3}, vblk={0:-8}, virtblk_fops={12:0}, virtio_blk={15:0}] [L3935] return (err); [L3935] return (err); VAL [\old(cmd)=1447184708, \old(data)=18446744073709551613, \old(mode)=4294967294, \result=1, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551617:18446744073709551624}, bdev={18446744073709551619:-2}, bdev={18446744073709551619:-2}, cmd=1447184708, data=18446744073709551613, disk={18446744073709551615:0}, err=1, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, mode=4294967294, usr_data={0:-3}, vblk={0:-8}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4233] RET virtblk_ioctl(var_group1, var_virtblk_ioctl_5_p1, var_virtblk_ioctl_5_p2, var_virtblk_ioctl_5_p3) [L4244] tmp___1 = __VERIFIER_nondet_int() [L4245] COND FALSE !(tmp___1 != 0) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551617:18446744073709551624}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, tmp=0, tmp___0=0, tmp___1=0, var_group1={18446744073709551619:-2}, var_virtblk_ioctl_5_p1=4294967294, var_virtblk_ioctl_5_p2=1447184708, var_virtblk_ioctl_5_p3=18446744073709551613, virtblk_fops={12:0}, virtio_blk={15:0}] [L4249] FCALL ldv_handler_precall() VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551617:18446744073709551624}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, tmp=0, tmp___0=0, tmp___1=0, var_group1={18446744073709551619:-2}, var_virtblk_ioctl_5_p1=4294967294, var_virtblk_ioctl_5_p2=1447184708, var_virtblk_ioctl_5_p3=18446744073709551613, virtblk_fops={12:0}, virtio_blk={15:0}] [L4250] CALL fini() [L4197] FCALL unregister_blkdev((unsigned int )major, "virtblk") [L4198] FCALL unregister_virtio_driver(& virtio_blk) [L4250] RET fini() [L4252] CALL ldv_check_final_state() [L4385] COND FALSE !(ldv_blk_rq == 0) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551617:18446744073709551624}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4387] CALL ldv_error() VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551617:18446744073709551624}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4295] reach_error() VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551617:18446744073709551624}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 129 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 178 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 175 mSDsluCounter, 691 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 398 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 168 IncrementalHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 293 mSDtfsCounter, 168 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=216occurred in iteration=1, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 172 NumberOfCodeBlocks, 172 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 131 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 20/20 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 13:44:35,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/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_bb8b8544-2c35-439e-9a9a-42444facf863/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e6fe8c59d377aa736bd14f3fafaa24b496bb4607101882bb7ce5966b11428bcb --- 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 13:44:37,084 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:44:37,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:44:37,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:44:37,099 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:44:37,100 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:44:37,100 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:44:37,101 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:44:37,102 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:44:37,103 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:44:37,104 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:44:37,104 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:44:37,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:44:37,105 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:44:37,106 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:44:37,107 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:44:37,107 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:44:37,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:44:37,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:44:37,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:44:37,111 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:44:37,112 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:44:37,112 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:44:37,113 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:44:37,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:44:37,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:44:37,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:44:37,116 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:44:37,116 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:44:37,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:44:37,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:44:37,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:44:37,118 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:44:37,119 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:44:37,126 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:44:37,126 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:44:37,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:44:37,127 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:44:37,128 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:44:37,129 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:44:37,129 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:44:37,130 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-12-13 13:44:37,147 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:44:37,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:44:37,147 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:44:37,147 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:44:37,148 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:44:37,148 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:44:37,148 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:44:37,149 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:44:37,149 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:44:37,149 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:44:37,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:44:37,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:44:37,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:44:37,149 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:44:37,149 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 13:44:37,150 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 13:44:37,150 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 13:44:37,150 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:44:37,150 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:44:37,150 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:44:37,150 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:44:37,150 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:44:37,150 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:44:37,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:44:37,151 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:44:37,151 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:44:37,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:44:37,151 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 13:44:37,151 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 13:44:37,151 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:44:37,151 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:44:37,151 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:44:37,152 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:44:37,152 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 13:44:37,152 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:44:37,152 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_bb8b8544-2c35-439e-9a9a-42444facf863/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6fe8c59d377aa736bd14f3fafaa24b496bb4607101882bb7ce5966b11428bcb [2022-12-13 13:44:37,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:44:37,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:44:37,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:44:37,408 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:44:37,408 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:44:37,410 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2022-12-13 13:44:39,952 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:44:40,307 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:44:40,307 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2022-12-13 13:44:40,334 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/bin/uautomizer-uyxdKDjOR8/data/3cedfd428/d1830f5424b44c808ec8a38e3a73139a/FLAG66083cf20 [2022-12-13 13:44:40,349 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/bin/uautomizer-uyxdKDjOR8/data/3cedfd428/d1830f5424b44c808ec8a38e3a73139a [2022-12-13 13:44:40,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:44:40,353 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:44:40,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:44:40,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:44:40,357 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:44:40,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:44:40" (1/1) ... [2022-12-13 13:44:40,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e6f08da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:40, skipping insertion in model container [2022-12-13 13:44:40,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:44:40" (1/1) ... [2022-12-13 13:44:40,367 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:44:40,431 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:44:40,794 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 13:44:40,823 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 13:44:40,873 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 13:44:40,873 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 13:44:40,896 WARN L623 FunctionHandler]: Unknown extern function mempool_create [2022-12-13 13:44:40,982 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 13:44:40,982 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_dereference [2022-12-13 13:44:41,009 WARN L623 FunctionHandler]: Unknown extern function ldv_is_err [2022-12-13 13:44:41,017 WARN L623 FunctionHandler]: Unknown extern function __get_free_pages [2022-12-13 13:44:41,022 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_alloc_notrace [2022-12-13 13:44:41,031 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 13:44:41,038 WARN L623 FunctionHandler]: Unknown extern function virtqueue_add_buf_gfp [2022-12-13 13:44:41,049 WARN L623 FunctionHandler]: Unknown extern function virtio_check_driver_offered_feature [2022-12-13 13:44:41,060 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 13:44:41,062 WARN L623 FunctionHandler]: Unknown extern function __blk_end_request_all [2022-12-13 13:44:41,063 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 13:44:41,063 WARN L623 FunctionHandler]: Unknown extern function mempool_free [2022-12-13 13:44:41,063 WARN L623 FunctionHandler]: Unknown extern function virtqueue_get_buf [2022-12-13 13:44:41,064 WARN L623 FunctionHandler]: Unknown extern function blk_start_queue [2022-12-13 13:44:41,067 WARN L623 FunctionHandler]: Unknown extern function mempool_alloc [2022-12-13 13:44:41,072 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_sg [2022-12-13 13:44:41,075 WARN L623 FunctionHandler]: Unknown extern function mempool_free [2022-12-13 13:44:41,079 WARN L623 FunctionHandler]: Unknown extern function blk_stop_queue [2022-12-13 13:44:41,080 WARN L623 FunctionHandler]: Unknown extern function blk_start_request [2022-12-13 13:44:41,080 WARN L623 FunctionHandler]: Unknown extern function blk_peek_request [2022-12-13 13:44:41,080 WARN L623 FunctionHandler]: Unknown extern function virtqueue_kick [2022-12-13 13:44:41,085 WARN L623 FunctionHandler]: Unknown extern function bio_map_kern [2022-12-13 13:44:41,086 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-12-13 13:44:41,087 WARN L623 FunctionHandler]: Unknown extern function blk_execute_rq [2022-12-13 13:44:41,091 WARN L623 FunctionHandler]: Unknown extern function scsi_cmd_ioctl [2022-12-13 13:44:41,101 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 13:44:41,102 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-12-13 13:44:41,111 WARN L623 FunctionHandler]: Unknown extern function alloc_disk [2022-12-13 13:44:41,112 WARN L623 FunctionHandler]: Unknown extern function blk_init_queue [2022-12-13 13:44:41,113 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 13:44:41,114 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 13:44:41,116 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 13:44:41,118 WARN L623 FunctionHandler]: Unknown extern function blk_queue_ordered [2022-12-13 13:44:41,119 WARN L623 FunctionHandler]: Unknown extern function blk_queue_ordered [2022-12-13 13:44:41,119 WARN L623 FunctionHandler]: Unknown extern function set_disk_ro [2022-12-13 13:44:41,120 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segments [2022-12-13 13:44:41,121 WARN L623 FunctionHandler]: Unknown extern function blk_queue_bounce_limit [2022-12-13 13:44:41,121 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_hw_sectors [2022-12-13 13:44:41,122 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-12-13 13:44:41,122 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-12-13 13:44:41,122 WARN L623 FunctionHandler]: Unknown extern function blk_queue_logical_block_size [2022-12-13 13:44:41,123 WARN L623 FunctionHandler]: Unknown extern function blk_queue_physical_block_size [2022-12-13 13:44:41,124 WARN L623 FunctionHandler]: Unknown extern function blk_queue_alignment_offset [2022-12-13 13:44:41,124 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_min [2022-12-13 13:44:41,125 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_opt [2022-12-13 13:44:41,125 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-12-13 13:44:41,125 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-13 13:44:41,126 WARN L623 FunctionHandler]: Unknown extern function mempool_destroy [2022-12-13 13:44:41,126 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:44:41,129 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-12-13 13:44:41,130 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-12-13 13:44:41,130 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-13 13:44:41,130 WARN L623 FunctionHandler]: Unknown extern function mempool_destroy [2022-12-13 13:44:41,130 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:44:41,133 WARN L623 FunctionHandler]: Unknown extern function register_blkdev [2022-12-13 13:44:41,134 WARN L623 FunctionHandler]: Unknown extern function register_virtio_driver [2022-12-13 13:44:41,137 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-12-13 13:44:41,137 WARN L623 FunctionHandler]: Unknown extern function unregister_virtio_driver [2022-12-13 13:44:41,145 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 13:44:41,145 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 13:44:41,146 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 13:44:41,146 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 13:44:41,146 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 13:44:41,147 WARN L623 FunctionHandler]: Unknown extern function ldv_is_err [2022-12-13 13:44:41,148 WARN L623 FunctionHandler]: Unknown extern function blk_make_request [2022-12-13 13:44:41,150 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_bb8b8544-2c35-439e-9a9a-42444facf863/sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i[122264,122277] [2022-12-13 13:44:41,156 WARN L623 FunctionHandler]: Unknown extern function ldv_is_err [2022-12-13 13:44:41,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:44:41,182 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-13 13:44:41,198 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:44:41,241 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 13:44:41,242 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 13:44:41,244 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 13:44:41,244 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 13:44:41,244 WARN L623 FunctionHandler]: Unknown extern function mempool_create [2022-12-13 13:44:41,247 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 13:44:41,247 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_dereference [2022-12-13 13:44:41,251 WARN L623 FunctionHandler]: Unknown extern function ldv_is_err [2022-12-13 13:44:41,252 WARN L623 FunctionHandler]: Unknown extern function __get_free_pages [2022-12-13 13:44:41,253 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_alloc_notrace [2022-12-13 13:44:41,255 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 13:44:41,256 WARN L623 FunctionHandler]: Unknown extern function virtqueue_add_buf_gfp [2022-12-13 13:44:41,257 WARN L623 FunctionHandler]: Unknown extern function virtio_check_driver_offered_feature [2022-12-13 13:44:41,259 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 13:44:41,261 WARN L623 FunctionHandler]: Unknown extern function __blk_end_request_all [2022-12-13 13:44:41,261 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 13:44:41,261 WARN L623 FunctionHandler]: Unknown extern function mempool_free [2022-12-13 13:44:41,261 WARN L623 FunctionHandler]: Unknown extern function virtqueue_get_buf [2022-12-13 13:44:41,262 WARN L623 FunctionHandler]: Unknown extern function blk_start_queue [2022-12-13 13:44:41,263 WARN L623 FunctionHandler]: Unknown extern function mempool_alloc [2022-12-13 13:44:41,266 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_sg [2022-12-13 13:44:41,268 WARN L623 FunctionHandler]: Unknown extern function mempool_free [2022-12-13 13:44:41,269 WARN L623 FunctionHandler]: Unknown extern function blk_stop_queue [2022-12-13 13:44:41,270 WARN L623 FunctionHandler]: Unknown extern function blk_start_request [2022-12-13 13:44:41,270 WARN L623 FunctionHandler]: Unknown extern function blk_peek_request [2022-12-13 13:44:41,270 WARN L623 FunctionHandler]: Unknown extern function virtqueue_kick [2022-12-13 13:44:41,271 WARN L623 FunctionHandler]: Unknown extern function bio_map_kern [2022-12-13 13:44:41,272 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-12-13 13:44:41,272 WARN L623 FunctionHandler]: Unknown extern function blk_execute_rq [2022-12-13 13:44:41,274 WARN L623 FunctionHandler]: Unknown extern function scsi_cmd_ioctl [2022-12-13 13:44:41,277 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 13:44:41,278 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-12-13 13:44:41,279 WARN L623 FunctionHandler]: Unknown extern function alloc_disk [2022-12-13 13:44:41,279 WARN L623 FunctionHandler]: Unknown extern function blk_init_queue [2022-12-13 13:44:41,280 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 13:44:41,280 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 13:44:41,281 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 13:44:41,282 WARN L623 FunctionHandler]: Unknown extern function blk_queue_ordered [2022-12-13 13:44:41,283 WARN L623 FunctionHandler]: Unknown extern function blk_queue_ordered [2022-12-13 13:44:41,283 WARN L623 FunctionHandler]: Unknown extern function set_disk_ro [2022-12-13 13:44:41,284 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segments [2022-12-13 13:44:41,284 WARN L623 FunctionHandler]: Unknown extern function blk_queue_bounce_limit [2022-12-13 13:44:41,284 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_hw_sectors [2022-12-13 13:44:41,284 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-12-13 13:44:41,285 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-12-13 13:44:41,285 WARN L623 FunctionHandler]: Unknown extern function blk_queue_logical_block_size [2022-12-13 13:44:41,285 WARN L623 FunctionHandler]: Unknown extern function blk_queue_physical_block_size [2022-12-13 13:44:41,286 WARN L623 FunctionHandler]: Unknown extern function blk_queue_alignment_offset [2022-12-13 13:44:41,286 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_min [2022-12-13 13:44:41,287 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_opt [2022-12-13 13:44:41,287 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-12-13 13:44:41,287 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-13 13:44:41,288 WARN L623 FunctionHandler]: Unknown extern function mempool_destroy [2022-12-13 13:44:41,288 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:44:41,289 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-12-13 13:44:41,289 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-12-13 13:44:41,290 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-13 13:44:41,290 WARN L623 FunctionHandler]: Unknown extern function mempool_destroy [2022-12-13 13:44:41,290 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:44:41,291 WARN L623 FunctionHandler]: Unknown extern function register_blkdev [2022-12-13 13:44:41,292 WARN L623 FunctionHandler]: Unknown extern function register_virtio_driver [2022-12-13 13:44:41,292 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-12-13 13:44:41,293 WARN L623 FunctionHandler]: Unknown extern function unregister_virtio_driver [2022-12-13 13:44:41,293 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 13:44:41,293 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 13:44:41,294 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 13:44:41,294 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 13:44:41,294 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 13:44:41,295 WARN L623 FunctionHandler]: Unknown extern function ldv_is_err [2022-12-13 13:44:41,295 WARN L623 FunctionHandler]: Unknown extern function blk_make_request [2022-12-13 13:44:41,295 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i[122264,122277] [2022-12-13 13:44:41,296 WARN L623 FunctionHandler]: Unknown extern function ldv_is_err [2022-12-13 13:44:41,302 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:44:41,305 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:44:41,398 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 13:44:41,399 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 13:44:41,400 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 13:44:41,400 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 13:44:41,401 WARN L623 FunctionHandler]: Unknown extern function mempool_create [2022-12-13 13:44:41,404 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 13:44:41,404 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_dereference [2022-12-13 13:44:41,408 WARN L623 FunctionHandler]: Unknown extern function ldv_is_err [2022-12-13 13:44:41,408 WARN L623 FunctionHandler]: Unknown extern function __get_free_pages [2022-12-13 13:44:41,410 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_alloc_notrace [2022-12-13 13:44:41,411 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 13:44:41,412 WARN L623 FunctionHandler]: Unknown extern function virtqueue_add_buf_gfp [2022-12-13 13:44:41,413 WARN L623 FunctionHandler]: Unknown extern function virtio_check_driver_offered_feature [2022-12-13 13:44:41,420 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 13:44:41,421 WARN L623 FunctionHandler]: Unknown extern function __blk_end_request_all [2022-12-13 13:44:41,421 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 13:44:41,421 WARN L623 FunctionHandler]: Unknown extern function mempool_free [2022-12-13 13:44:41,421 WARN L623 FunctionHandler]: Unknown extern function virtqueue_get_buf [2022-12-13 13:44:41,421 WARN L623 FunctionHandler]: Unknown extern function blk_start_queue [2022-12-13 13:44:41,425 WARN L623 FunctionHandler]: Unknown extern function mempool_alloc [2022-12-13 13:44:41,427 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_sg [2022-12-13 13:44:41,429 WARN L623 FunctionHandler]: Unknown extern function mempool_free [2022-12-13 13:44:41,430 WARN L623 FunctionHandler]: Unknown extern function blk_stop_queue [2022-12-13 13:44:41,430 WARN L623 FunctionHandler]: Unknown extern function blk_start_request [2022-12-13 13:44:41,430 WARN L623 FunctionHandler]: Unknown extern function blk_peek_request [2022-12-13 13:44:41,431 WARN L623 FunctionHandler]: Unknown extern function virtqueue_kick [2022-12-13 13:44:41,431 WARN L623 FunctionHandler]: Unknown extern function bio_map_kern [2022-12-13 13:44:41,442 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-12-13 13:44:41,442 WARN L623 FunctionHandler]: Unknown extern function blk_execute_rq [2022-12-13 13:44:41,446 WARN L623 FunctionHandler]: Unknown extern function scsi_cmd_ioctl [2022-12-13 13:44:41,452 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 13:44:41,452 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-12-13 13:44:41,453 WARN L623 FunctionHandler]: Unknown extern function alloc_disk [2022-12-13 13:44:41,453 WARN L623 FunctionHandler]: Unknown extern function blk_init_queue [2022-12-13 13:44:41,456 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 13:44:41,457 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 13:44:41,458 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 13:44:41,460 WARN L623 FunctionHandler]: Unknown extern function blk_queue_ordered [2022-12-13 13:44:41,462 WARN L623 FunctionHandler]: Unknown extern function blk_queue_ordered [2022-12-13 13:44:41,462 WARN L623 FunctionHandler]: Unknown extern function set_disk_ro [2022-12-13 13:44:41,463 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segments [2022-12-13 13:44:41,464 WARN L623 FunctionHandler]: Unknown extern function blk_queue_bounce_limit [2022-12-13 13:44:41,464 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_hw_sectors [2022-12-13 13:44:41,464 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-12-13 13:44:41,464 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-12-13 13:44:41,464 WARN L623 FunctionHandler]: Unknown extern function blk_queue_logical_block_size [2022-12-13 13:44:41,465 WARN L623 FunctionHandler]: Unknown extern function blk_queue_physical_block_size [2022-12-13 13:44:41,465 WARN L623 FunctionHandler]: Unknown extern function blk_queue_alignment_offset [2022-12-13 13:44:41,466 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_min [2022-12-13 13:44:41,466 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_opt [2022-12-13 13:44:41,466 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-12-13 13:44:41,466 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-13 13:44:41,466 WARN L623 FunctionHandler]: Unknown extern function mempool_destroy [2022-12-13 13:44:41,468 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:44:41,470 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-12-13 13:44:41,470 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-12-13 13:44:41,471 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-13 13:44:41,472 WARN L623 FunctionHandler]: Unknown extern function mempool_destroy [2022-12-13 13:44:41,473 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:44:41,474 WARN L623 FunctionHandler]: Unknown extern function register_blkdev [2022-12-13 13:44:41,474 WARN L623 FunctionHandler]: Unknown extern function register_virtio_driver [2022-12-13 13:44:41,475 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-12-13 13:44:41,475 WARN L623 FunctionHandler]: Unknown extern function unregister_virtio_driver [2022-12-13 13:44:41,475 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 13:44:41,475 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 13:44:41,476 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 13:44:41,476 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 13:44:41,476 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 13:44:41,477 WARN L623 FunctionHandler]: Unknown extern function ldv_is_err [2022-12-13 13:44:41,482 WARN L623 FunctionHandler]: Unknown extern function blk_make_request [2022-12-13 13:44:41,482 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/sv-benchmarks/c/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i[122264,122277] [2022-12-13 13:44:41,483 WARN L623 FunctionHandler]: Unknown extern function ldv_is_err [2022-12-13 13:44:41,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:44:41,508 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:44:41,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:41 WrapperNode [2022-12-13 13:44:41,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:44:41,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:44:41,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:44:41,510 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:44:41,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:41" (1/1) ... [2022-12-13 13:44:41,543 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:41" (1/1) ... [2022-12-13 13:44:41,577 INFO L138 Inliner]: procedures = 150, calls = 530, calls flagged for inlining = 91, calls inlined = 29, statements flattened = 474 [2022-12-13 13:44:41,578 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:44:41,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:44:41,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:44:41,578 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:44:41,587 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:41" (1/1) ... [2022-12-13 13:44:41,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:41" (1/1) ... [2022-12-13 13:44:41,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:41" (1/1) ... [2022-12-13 13:44:41,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:41" (1/1) ... [2022-12-13 13:44:41,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:41" (1/1) ... [2022-12-13 13:44:41,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:41" (1/1) ... [2022-12-13 13:44:41,616 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:41" (1/1) ... [2022-12-13 13:44:41,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:41" (1/1) ... [2022-12-13 13:44:41,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:44:41,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:44:41,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:44:41,625 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:44:41,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:41" (1/1) ... [2022-12-13 13:44:41,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:44:41,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:44:41,651 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:44:41,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:44:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-12-13 13:44:41,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-12-13 13:44:41,683 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2022-12-13 13:44:41,683 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2022-12-13 13:44:41,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-12-13 13:44:41,683 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~C_UINT~TO~VOID [2022-12-13 13:44:41,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~C_UINT~TO~VOID [2022-12-13 13:44:41,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 13:44:41,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 13:44:41,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 13:44:41,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 13:44:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 13:44:41,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 13:44:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 13:44:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:44:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2022-12-13 13:44:41,684 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2022-12-13 13:44:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 13:44:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 13:44:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-12-13 13:44:41,684 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-12-13 13:44:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-13 13:44:41,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-13 13:44:41,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-12-13 13:44:41,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-12-13 13:44:41,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 13:44:41,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-13 13:44:41,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 13:44:41,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 13:44:41,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-13 13:44:41,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-12-13 13:44:41,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-12-13 13:44:41,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:44:41,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:44:41,686 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-13 13:44:41,686 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-13 13:44:41,884 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:44:41,886 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:44:42,544 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:44:42,550 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:44:42,551 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 13:44:42,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:44:42 BoogieIcfgContainer [2022-12-13 13:44:42,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:44:42,554 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:44:42,554 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:44:42,557 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:44:42,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:44:40" (1/3) ... [2022-12-13 13:44:42,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15616c51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:44:42, skipping insertion in model container [2022-12-13 13:44:42,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:44:41" (2/3) ... [2022-12-13 13:44:42,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15616c51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:44:42, skipping insertion in model container [2022-12-13 13:44:42,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:44:42" (3/3) ... [2022-12-13 13:44:42,559 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2022-12-13 13:44:42,573 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:44:42,573 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 13:44:42,613 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:44:42,617 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@45281392, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:44:42,617 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 13:44:42,620 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 98 states have (on average 1.2551020408163265) internal successors, (123), 101 states have internal predecessors, (123), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-12-13 13:44:42,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-13 13:44:42,626 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:44:42,626 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:44:42,627 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:44:42,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:44:42,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1549604235, now seen corresponding path program 1 times [2022-12-13 13:44:42,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:44:42,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1789029702] [2022-12-13 13:44:42,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:44:42,644 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 13:44:42,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:44:42,645 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/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 13:44:42,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/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 13:44:42,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:44:42,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 13:44:42,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:44:42,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:44:42,878 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:44:42,878 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 13:44:42,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1789029702] [2022-12-13 13:44:42,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1789029702] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:44:42,879 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:44:42,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 13:44:42,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543465387] [2022-12-13 13:44:42,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:44:42,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:44:42,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 13:44:42,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:44:42,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:44:42,916 INFO L87 Difference]: Start difference. First operand has 129 states, 98 states have (on average 1.2551020408163265) internal successors, (123), 101 states have internal predecessors, (123), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 13:44:42,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:44:42,986 INFO L93 Difference]: Finished difference Result 346 states and 438 transitions. [2022-12-13 13:44:42,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:44:42,989 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-12-13 13:44:42,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:44:42,998 INFO L225 Difference]: With dead ends: 346 [2022-12-13 13:44:42,998 INFO L226 Difference]: Without dead ends: 216 [2022-12-13 13:44:43,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:44:43,005 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 137 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:44:43,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 303 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:44:43,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2022-12-13 13:44:43,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2022-12-13 13:44:43,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 165 states have (on average 1.2181818181818183) internal successors, (201), 166 states have internal predecessors, (201), 33 states have call successors, (33), 18 states have call predecessors, (33), 17 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2022-12-13 13:44:43,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 265 transitions. [2022-12-13 13:44:43,062 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 265 transitions. Word has length 15 [2022-12-13 13:44:43,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:44:43,062 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 265 transitions. [2022-12-13 13:44:43,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 13:44:43,063 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 265 transitions. [2022-12-13 13:44:43,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-12-13 13:44:43,066 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:44:43,067 INFO L195 NwaCegarLoop]: trace histogram [3, 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 13:44:43,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/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 13:44:43,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/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 13:44:43,268 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:44:43,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:44:43,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1763310802, now seen corresponding path program 1 times [2022-12-13 13:44:43,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:44:43,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1700183371] [2022-12-13 13:44:43,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:44:43,269 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 13:44:43,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:44:43,270 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/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 13:44:43,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/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 13:44:43,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:44:43,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 13:44:43,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:44:43,622 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-13 13:44:43,622 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:44:43,622 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 13:44:43,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1700183371] [2022-12-13 13:44:43,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1700183371] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:44:43,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:44:43,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 13:44:43,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188197219] [2022-12-13 13:44:43,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:44:43,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 13:44:43,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 13:44:43,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 13:44:43,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 13:44:43,626 INFO L87 Difference]: Start difference. First operand 216 states and 265 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 13:44:43,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:44:43,671 INFO L93 Difference]: Finished difference Result 424 states and 520 transitions. [2022-12-13 13:44:43,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 13:44:43,672 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 78 [2022-12-13 13:44:43,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:44:43,674 INFO L225 Difference]: With dead ends: 424 [2022-12-13 13:44:43,674 INFO L226 Difference]: Without dead ends: 216 [2022-12-13 13:44:43,675 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 75 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 13:44:43,676 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 1 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:44:43,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 445 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:44:43,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2022-12-13 13:44:43,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2022-12-13 13:44:43,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 165 states have (on average 1.2121212121212122) internal successors, (200), 166 states have internal predecessors, (200), 33 states have call successors, (33), 18 states have call predecessors, (33), 17 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2022-12-13 13:44:43,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 264 transitions. [2022-12-13 13:44:43,698 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 264 transitions. Word has length 78 [2022-12-13 13:44:43,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:44:43,699 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 264 transitions. [2022-12-13 13:44:43,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 13:44:43,699 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 264 transitions. [2022-12-13 13:44:43,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-12-13 13:44:43,702 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:44:43,702 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-12-13 13:44:43,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/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 13:44:43,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/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 13:44:43,903 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:44:43,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:44:43,904 INFO L85 PathProgramCache]: Analyzing trace with hash -251868651, now seen corresponding path program 1 times [2022-12-13 13:44:43,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:44:43,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [26548139] [2022-12-13 13:44:43,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:44:43,905 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 13:44:43,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:44:43,906 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/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 13:44:43,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/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 13:44:44,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:44:44,396 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:44:44,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:44:44,958 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 13:44:44,958 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 13:44:44,959 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 13:44:44,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/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 13:44:45,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/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 13:44:45,172 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 13:44:45,183 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 13:44:45,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 01:44:45 BoogieIcfgContainer [2022-12-13 13:44:45,310 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 13:44:45,311 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 13:44:45,311 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 13:44:45,311 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 13:44:45,312 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:44:42" (3/4) ... [2022-12-13 13:44:45,314 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 13:44:45,314 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 13:44:45,314 INFO L158 Benchmark]: Toolchain (without parser) took 4961.97ms. Allocated memory was 86.0MB in the beginning and 151.0MB in the end (delta: 65.0MB). Free memory was 59.0MB in the beginning and 93.6MB in the end (delta: -34.6MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2022-12-13 13:44:45,315 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 65.0MB. Free memory was 43.4MB in the beginning and 43.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:44:45,315 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1155.33ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 58.8MB in the beginning and 55.6MB in the end (delta: 3.2MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. [2022-12-13 13:44:45,316 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.08ms. Allocated memory is still 104.9MB. Free memory was 55.6MB in the beginning and 50.9MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 13:44:45,316 INFO L158 Benchmark]: Boogie Preprocessor took 46.28ms. Allocated memory is still 104.9MB. Free memory was 50.9MB in the beginning and 46.2MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 13:44:45,317 INFO L158 Benchmark]: RCFGBuilder took 927.37ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 46.2MB in the beginning and 62.0MB in the end (delta: -15.8MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2022-12-13 13:44:45,317 INFO L158 Benchmark]: TraceAbstraction took 2756.21ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 61.4MB in the beginning and 93.6MB in the end (delta: -32.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-13 13:44:45,318 INFO L158 Benchmark]: Witness Printer took 2.96ms. Allocated memory is still 151.0MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:44:45,320 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 65.0MB. Free memory was 43.4MB in the beginning and 43.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1155.33ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 58.8MB in the beginning and 55.6MB in the end (delta: 3.2MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.08ms. Allocated memory is still 104.9MB. Free memory was 55.6MB in the beginning and 50.9MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.28ms. Allocated memory is still 104.9MB. Free memory was 50.9MB in the beginning and 46.2MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 927.37ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 46.2MB in the beginning and 62.0MB in the end (delta: -15.8MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2756.21ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 61.4MB in the beginning and 93.6MB in the end (delta: -32.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 2.96ms. Allocated memory is still 151.0MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 4295]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 4179. Possible FailurePath: [L3648] static int major ; [L3649] static int index ; [L3974-L3975] static struct block_device_operations const virtblk_fops = {0, 0, & virtblk_ioctl, 0, 0, 0, 0, 0, 0, & virtblk_getgeo, 0, & __this_module}; [L4173-L4174] static struct virtio_device_id const id_table[2U] = { {2U, 4294967295U}, {0U, 0U}}; [L4175-L4178] static unsigned int features[9U] = { 0U, 2U, 1U, 4U, 5U, 6U, 7U, 9U, 10U}; [L4179-L4180] static struct virtio_driver virtio_blk = {{"virtio_blk", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct virtio_device_id const *)(& id_table), (unsigned int const *)(& features), 9U, & virtblk_probe, & virtblk_remove, 0}; [L4202] struct virtio_device_id const __mod_virtio_device_table ; [L4207] int LDV_IN_INTERRUPT ; [L4348] int ldv_blk_rq = 0; VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=0, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4210] struct block_device *var_group1 ; [L4211] fmode_t var_virtblk_ioctl_5_p1 ; [L4212] unsigned int var_virtblk_ioctl_5_p2 ; [L4213] unsigned long var_virtblk_ioctl_5_p3 ; [L4214] struct hd_geometry *var_group2 ; [L4215] int tmp ; [L4216] int tmp___0 ; [L4217] int tmp___1 ; [L4219] LDV_IN_INTERRUPT = 1 [L4220] FCALL ldv_initialize() [L4221] FCALL ldv_handler_precall() VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4222] CALL, EXPR init() [L4183] int tmp ; [L4185] CALL, EXPR register_blkdev(0U, "virtblk") [L4531] return __VERIFIER_nondet_int(); [L4185] RET, EXPR register_blkdev(0U, "virtblk") [L4185] major = register_blkdev(0U, "virtblk") [L4186] COND FALSE !(major < 0) [L4190] CALL, EXPR register_virtio_driver(& virtio_blk) [L4535] return __VERIFIER_nondet_int(); [L4190] RET, EXPR register_virtio_driver(& virtio_blk) [L4190] tmp = register_virtio_driver(& virtio_blk) [L4191] return (tmp); VAL [\result=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, tmp=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4222] RET, EXPR init() [L4222] tmp = init() [L4223] COND FALSE !(tmp != 0) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, tmp=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4244] tmp___1 = __VERIFIER_nondet_int() [L4245] COND TRUE tmp___1 != 0 VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, tmp=0, tmp___1=-2147483648, virtblk_fops={12:0}, virtio_blk={15:0}] [L4229] tmp___0 = __VERIFIER_nondet_int() [L4231] case 0: VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, tmp=0, tmp___0=0, tmp___1=-2147483648, virtblk_fops={12:0}, virtio_blk={15:0}] [L4232] FCALL ldv_handler_precall() VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, tmp=0, tmp___0=0, tmp___1=-2147483648, virtblk_fops={12:0}, virtio_blk={15:0}] [L4233] CALL virtblk_ioctl(var_group1, var_virtblk_ioctl_5_p1, var_virtblk_ioctl_5_p2, var_virtblk_ioctl_5_p3) [L3912] struct gendisk *disk ; [L3913] struct virtio_blk *vblk ; [L3914] void *usr_data ; [L3915] char id_str[20U] ; [L3916] int err ; [L3917] int tmp ; [L3918] bool tmp___0 ; [L3919] int tmp___1 ; [L3920] int tmp___2 ; [L3922] EXPR bdev->bd_disk [L3922] disk = bdev->bd_disk [L3923] EXPR disk->private_data [L3923] vblk = (struct virtio_blk *)disk->private_data [L3924] COND TRUE cmd == 1447184708U [L3925] usr_data = (void *)data [L3926] CALL, EXPR virtblk_get_id(disk, (char *)(& id_str)) [L3879] struct virtio_blk *vblk ; [L3880] struct request *req ; [L3881] struct bio *bio ; [L3882] long tmp ; [L3883] long tmp___0 ; [L3884] long tmp___1 ; [L3885] long tmp___2 ; [L3886] int tmp___3 ; [L3888] EXPR disk->private_data [L3888] vblk = (struct virtio_blk *)disk->private_data [L3889] EXPR vblk->disk [L3889] EXPR (vblk->disk)->queue [L3889] CALL, EXPR bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L4427] CALL, EXPR ldv_malloc(sizeof(struct bio)) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L3456] COND FALSE !(__VERIFIER_nondet_int()) [L3461] return ((void *)0); VAL [\old(size)=112, \result={0:0}, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, size=112, virtblk_fops={12:0}, virtio_blk={15:0}] [L4427] RET, EXPR ldv_malloc(sizeof(struct bio)) VAL [\old(arg2)=20, \old(arg3)=208, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, arg0={0:0}, arg0={0:0}, arg1={-9223372036854775793:0}, arg1={-9223372036854775793:0}, arg2=20, arg3=208, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct bio))={0:0}, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4427] return ldv_malloc(sizeof(struct bio)); [L3889] RET, EXPR bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L3889] bio = bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L3890] CALL, EXPR IS_ERR((void const *)bio) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4274] long tmp ; VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, ptr={0:0}, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4276] CALL, EXPR ldv_is_err(ptr) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4307] return ((unsigned long )ptr > 2012UL); VAL [\result=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, ptr={0:0}, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4276] RET, EXPR ldv_is_err(ptr) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_is_err(ptr)=0, major=0, ptr={0:0}, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4276] tmp = ldv_is_err(ptr) [L4277] return (tmp); VAL [\result=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, ptr={0:0}, ptr={0:0}, tmp=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L3890] RET, EXPR IS_ERR((void const *)bio) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, bio={0:0}, disk={0:0}, disk={0:0}, features={14:0}, id_str={-9223372036854775793:0}, id_str={-9223372036854775793:0}, id_table={13:0}, index=0, IS_ERR((void const *)bio)=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, vblk={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L3890] tmp___0 = IS_ERR((void const *)bio) [L3891] COND FALSE !(tmp___0 != 0L) [L3896] EXPR vblk->disk [L3896] EXPR (vblk->disk)->queue [L3896] CALL, EXPR ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L4283] ldv_func_ret_type___3 ldv_func_res ; [L4284] struct request *tmp ; [L4286] CALL, EXPR blk_make_request(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4443] CALL, EXPR ldv_malloc(sizeof(struct request)) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L3456] COND FALSE !(__VERIFIER_nondet_int()) [L3461] return ((void *)0); VAL [\old(size)=322, \result={0:0}, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, size=322, virtblk_fops={12:0}, virtio_blk={15:0}] [L4443] RET, EXPR ldv_malloc(sizeof(struct request)) VAL [\old(arg2)=208, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, arg0={0:0}, arg0={0:0}, arg1={0:0}, arg1={0:0}, arg2=208, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct request))={0:0}, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4443] return ldv_malloc(sizeof(struct request)); [L4286] RET, EXPR blk_make_request(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4286] tmp = blk_make_request(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4287] ldv_func_res = tmp [L4288] CALL ldv_get_blk_rq(ldv_func_res, ldv_func_arg3) [L4351] long tmp ; VAL [\old(mask)=208, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, mask=208, res={0:0}, res={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4353] COND TRUE ldv_blk_rq == 0 VAL [\old(mask)=208, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, major=0, mask=208, res={0:0}, res={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4357] COND TRUE (mask == 16U || mask == 208U) || mask == 16U [L4358] ldv_blk_rq = 1 VAL [\old(mask)=208, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, mask=208, res={0:0}, res={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4288] RET ldv_get_blk_rq(ldv_func_res, ldv_func_arg3) [L4289] return (ldv_func_res); VAL [\old(ldv_func_arg3)=208, \result={0:0}, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, ldv_func_arg1={0:0}, ldv_func_arg1={0:0}, ldv_func_arg2={0:0}, ldv_func_arg2={0:0}, ldv_func_arg3=208, ldv_func_res={0:0}, LDV_IN_INTERRUPT=1, major=0, tmp={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L3896] RET, EXPR ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L3896] req = ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L3897] CALL, EXPR IS_ERR((void const *)req) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4274] long tmp ; VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, ptr={0:0}, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4276] CALL, EXPR ldv_is_err(ptr) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4307] return ((unsigned long )ptr > 2012UL); VAL [\result=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, ptr={0:0}, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4276] RET, EXPR ldv_is_err(ptr) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_is_err(ptr)=0, major=0, ptr={0:0}, ptr={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4276] tmp = ldv_is_err(ptr) [L4277] return (tmp); VAL [\result=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, ptr={0:0}, ptr={0:0}, tmp=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L3897] RET, EXPR IS_ERR((void const *)req) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, bio={0:0}, disk={0:0}, disk={0:0}, features={14:0}, id_str={-9223372036854775793:0}, id_str={-9223372036854775793:0}, id_table={13:0}, index=0, IS_ERR((void const *)req)=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, req={0:0}, tmp___0=0, vblk={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L3897] tmp___2 = IS_ERR((void const *)req) [L3898] COND FALSE !(tmp___2 != 0L) [L3904] req->cmd_type = 7 [L3905] EXPR vblk->disk [L3905] EXPR (vblk->disk)->queue [L3905] EXPR vblk->disk [L3905] CALL, EXPR blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L4437] return __VERIFIER_nondet_int(); [L3905] RET, EXPR blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L3905] tmp___3 = blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L3906] return (tmp___3); VAL [\result=-2147467264, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, bio={0:0}, disk={0:0}, disk={0:0}, features={14:0}, id_str={-9223372036854775793:0}, id_str={-9223372036854775793:0}, id_table={13:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, req={0:0}, tmp___0=0, tmp___2=0, tmp___3=-2147467264, vblk={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L3926] RET, EXPR virtblk_get_id(disk, (char *)(& id_str)) [L3926] err = virtblk_get_id(disk, (char *)(& id_str)) [L3927] COND FALSE !(err == 0) VAL [\old(cmd)=1447184708, \old(data)=37, \old(mode)=11, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, bdev={0:0}, bdev={0:0}, cmd=1447184708, data=37, disk={0:0}, err=-2147467264, features={14:0}, id_str={-9223372036854775793:0}, id_table={13:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, mode=11, usr_data={0:37}, vblk={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L3935] return (err); [L3935] return (err); VAL [\old(cmd)=1447184708, \old(data)=37, \old(mode)=11, \result=-2147467264, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, bdev={0:0}, bdev={0:0}, cmd=1447184708, data=37, disk={0:0}, err=-2147467264, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, mode=11, usr_data={0:37}, vblk={0:0}, virtblk_fops={12:0}, virtio_blk={15:0}] [L4233] RET virtblk_ioctl(var_group1, var_virtblk_ioctl_5_p1, var_virtblk_ioctl_5_p2, var_virtblk_ioctl_5_p3) [L4244] tmp___1 = __VERIFIER_nondet_int() [L4245] COND FALSE !(tmp___1 != 0) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, tmp=0, tmp___0=0, tmp___1=0, var_group1={0:0}, var_virtblk_ioctl_5_p1=11, var_virtblk_ioctl_5_p2=1447184708, var_virtblk_ioctl_5_p3=37, virtblk_fops={12:0}, virtio_blk={15:0}] [L4249] FCALL ldv_handler_precall() VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, tmp=0, tmp___0=0, tmp___1=0, var_group1={0:0}, var_virtblk_ioctl_5_p1=11, var_virtblk_ioctl_5_p2=1447184708, var_virtblk_ioctl_5_p3=37, virtblk_fops={12:0}, virtio_blk={15:0}] [L4250] CALL fini() [L4197] FCALL unregister_blkdev((unsigned int )major, "virtblk") [L4198] FCALL unregister_virtio_driver(& virtio_blk) [L4250] RET fini() [L4252] CALL ldv_check_final_state() [L4385] COND FALSE !(ldv_blk_rq == 0) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4387] CALL ldv_error() VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] [L4295] reach_error() VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={14:0}, id_table={13:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, major=0, virtblk_fops={12:0}, virtio_blk={15:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 129 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 138 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 138 mSDsluCounter, 748 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 419 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 329 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 92 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=216occurred in iteration=1, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 172 NumberOfCodeBlocks, 172 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 119 SizeOfPredicates, 3 NumberOfNonLiveVariables, 677 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 20/20 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 13:44:45,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb8b8544-2c35-439e-9a9a-42444facf863/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample