./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.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_64a84012-f57a-4171-9991-e55f68730138/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 25874e59c1cc513c0df08f21d6ee454d422ce2eea441a446fa3179c403897e38 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 10:30:20,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 10:30:20,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 10:30:20,293 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 10:30:20,293 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 10:30:20,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 10:30:20,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 10:30:20,296 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 10:30:20,297 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 10:30:20,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 10:30:20,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 10:30:20,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 10:30:20,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 10:30:20,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 10:30:20,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 10:30:20,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 10:30:20,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 10:30:20,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 10:30:20,303 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 10:30:20,304 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 10:30:20,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 10:30:20,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 10:30:20,308 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 10:30:20,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 10:30:20,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 10:30:20,312 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 10:30:20,313 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 10:30:20,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 10:30:20,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 10:30:20,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 10:30:20,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 10:30:20,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 10:30:20,317 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 10:30:20,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 10:30:20,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 10:30:20,318 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 10:30:20,319 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 10:30:20,319 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 10:30:20,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 10:30:20,320 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 10:30:20,320 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 10:30:20,321 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 10:30:20,343 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 10:30:20,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 10:30:20,344 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 10:30:20,344 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 10:30:20,344 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 10:30:20,345 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 10:30:20,345 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 10:30:20,345 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 10:30:20,345 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 10:30:20,345 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 10:30:20,345 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 10:30:20,345 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 10:30:20,346 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 10:30:20,346 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 10:30:20,346 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 10:30:20,346 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 10:30:20,346 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 10:30:20,346 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 10:30:20,347 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 10:30:20,347 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 10:30:20,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 10:30:20,347 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 10:30:20,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 10:30:20,347 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 10:30:20,347 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 10:30:20,347 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 10:30:20,348 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 10:30:20,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 10:30:20,348 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 10:30:20,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:30:20,348 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 10:30:20,348 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 10:30:20,348 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 10:30:20,349 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 10:30:20,349 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 10:30:20,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 10:30:20,349 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 10:30:20,349 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 10:30:20,349 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25874e59c1cc513c0df08f21d6ee454d422ce2eea441a446fa3179c403897e38 [2022-12-14 10:30:20,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 10:30:20,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 10:30:20,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 10:30:20,559 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 10:30:20,559 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 10:30:20,560 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i [2022-12-14 10:30:23,168 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 10:30:23,620 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 10:30:23,621 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i [2022-12-14 10:30:23,654 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/bin/utaipan-gh47qXpMRh/data/f83adc4f0/094a1c69e2b541a1a9078182309b739d/FLAG304e7eb8c [2022-12-14 10:30:23,667 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/bin/utaipan-gh47qXpMRh/data/f83adc4f0/094a1c69e2b541a1a9078182309b739d [2022-12-14 10:30:23,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 10:30:23,671 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 10:30:23,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 10:30:23,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 10:30:23,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 10:30:23,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:30:23" (1/1) ... [2022-12-14 10:30:23,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9a206f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:30:23, skipping insertion in model container [2022-12-14 10:30:23,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:30:23" (1/1) ... [2022-12-14 10:30:23,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 10:30:23,874 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 10:30:24,791 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 10:30:24,812 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 10:30:24,925 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 10:30:24,932 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 10:30:25,000 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 10:30:25,008 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 10:30:25,039 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 10:30:25,141 WARN L623 FunctionHandler]: Unknown extern function __get_page_tail [2022-12-14 10:30:25,142 WARN L623 FunctionHandler]: Unknown extern function dump_page [2022-12-14 10:30:25,186 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:25,198 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:25,218 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:25,218 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 10:30:25,219 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 10:30:25,219 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-14 10:30:25,223 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:25,224 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 10:30:25,224 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 10:30:25,225 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-14 10:30:25,513 WARN L623 FunctionHandler]: Unknown extern function proc_create_data [2022-12-14 10:30:25,630 WARN L623 FunctionHandler]: Unknown extern function blk_verify_command [2022-12-14 10:30:25,636 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 10:30:25,637 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-14 10:30:25,637 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 10:30:25,638 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 10:30:25,639 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 10:30:25,639 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-14 10:30:25,640 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 10:30:25,640 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 10:30:25,647 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:25,650 WARN L623 FunctionHandler]: Unknown extern function scsi_device_get [2022-12-14 10:30:25,650 WARN L623 FunctionHandler]: Unknown extern function scsi_autopm_get_device [2022-12-14 10:30:25,651 WARN L623 FunctionHandler]: Unknown extern function scsi_block_when_processing_errors [2022-12-14 10:30:25,653 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:30:25,654 WARN L623 FunctionHandler]: Unknown extern function scsi_autopm_put_device [2022-12-14 10:30:25,654 WARN L623 FunctionHandler]: Unknown extern function scsi_device_put [2022-12-14 10:30:25,660 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:25,661 WARN L623 FunctionHandler]: Unknown extern function scsi_autopm_put_device [2022-12-14 10:30:25,662 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:30:25,662 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:30:25,669 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:25,672 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:30:25,673 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 10:30:25,674 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-14 10:30:25,674 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 10:30:25,675 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 10:30:25,681 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:30:25,691 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:25,692 WARN L623 FunctionHandler]: Unknown extern function scsi_block_when_processing_errors [2022-12-14 10:30:25,694 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:25,695 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 10:30:25,697 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:25,702 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-12-14 10:30:25,702 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:30:25,706 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:25,709 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 10:30:25,714 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:25,716 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:25,717 WARN L623 FunctionHandler]: Unknown extern function blk_end_request_all [2022-12-14 10:30:25,718 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-12-14 10:30:25,741 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:25,744 WARN L623 FunctionHandler]: Unknown extern function scsi_block_when_processing_errors [2022-12-14 10:30:25,745 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 10:30:25,746 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-14 10:30:25,747 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 10:30:25,747 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 10:30:25,749 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:25,750 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:25,752 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:25,754 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 10:30:25,755 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 10:30:25,755 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 10:30:25,756 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 10:30:25,765 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 10:30:25,766 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 10:30:25,766 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 10:30:25,767 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 10:30:25,767 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 10:30:25,767 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:25,769 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 10:30:25,770 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 10:30:25,771 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:25,771 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:25,771 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:25,773 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:25,773 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:25,774 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:25,774 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:25,775 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:25,775 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:25,776 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:25,776 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:25,778 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-12-14 10:30:25,780 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:30:25,780 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:25,782 WARN L623 FunctionHandler]: Unknown extern function sg_scsi_ioctl [2022-12-14 10:30:25,782 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:25,783 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:25,783 WARN L623 FunctionHandler]: Unknown extern function blk_trace_setup [2022-12-14 10:30:25,784 WARN L623 FunctionHandler]: Unknown extern function blk_trace_startstop [2022-12-14 10:30:25,784 WARN L623 FunctionHandler]: Unknown extern function blk_trace_startstop [2022-12-14 10:30:25,784 WARN L623 FunctionHandler]: Unknown extern function blk_trace_remove [2022-12-14 10:30:25,785 WARN L623 FunctionHandler]: Unknown extern function scsi_ioctl_block_when_processing_errors [2022-12-14 10:30:25,785 WARN L623 FunctionHandler]: Unknown extern function scsi_ioctl [2022-12-14 10:30:25,800 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:25,806 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:25,806 WARN L623 FunctionHandler]: Unknown extern function fasync_helper [2022-12-14 10:30:25,812 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:25,820 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:25,828 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 10:30:25,829 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 10:30:25,829 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:30:25,830 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:25,831 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-12-14 10:30:25,832 WARN L623 FunctionHandler]: Unknown extern function __scsi_print_sense [2022-12-14 10:30:25,832 WARN L623 FunctionHandler]: Unknown extern function scsi_normalize_sense [2022-12-14 10:30:25,833 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:30:25,834 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:30:25,834 WARN L623 FunctionHandler]: Unknown extern function kill_fasync [2022-12-14 10:30:25,834 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 10:30:25,834 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 10:30:25,841 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:25,841 WARN L623 FunctionHandler]: Unknown extern function idr_preload [2022-12-14 10:30:25,842 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:25,842 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:25,843 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:25,843 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 10:30:25,844 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 10:30:25,844 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 10:30:25,844 WARN L623 FunctionHandler]: Unknown extern function __rwlock_init [2022-12-14 10:30:25,845 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:30:25,846 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:30:25,846 WARN L623 FunctionHandler]: Unknown extern function cdev_alloc [2022-12-14 10:30:25,846 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:30:25,847 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:30:25,847 WARN L623 FunctionHandler]: Unknown extern function cdev_add [2022-12-14 10:30:25,848 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-12-14 10:30:25,848 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:30:25,849 WARN L623 FunctionHandler]: Unknown extern function sysfs_create_link [2022-12-14 10:30:25,849 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:30:25,850 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:30:25,850 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:25,850 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:30:25,851 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:25,852 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:30:25,853 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:25,854 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:30:25,854 WARN L623 FunctionHandler]: Unknown extern function kill_fasync [2022-12-14 10:30:25,855 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:30:25,855 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_link [2022-12-14 10:30:25,855 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-12-14 10:30:25,868 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:25,869 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:30:25,869 WARN L623 FunctionHandler]: Unknown extern function blk_rq_set_block_pc [2022-12-14 10:30:25,871 WARN L623 FunctionHandler]: Unknown extern function memdup_user [2022-12-14 10:30:25,872 WARN L623 FunctionHandler]: Unknown extern function iov_iter_init [2022-12-14 10:30:25,872 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_user_iov [2022-12-14 10:30:25,872 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:30:25,872 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_user [2022-12-14 10:30:25,874 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:25,874 WARN L623 FunctionHandler]: Unknown extern function blk_rq_unmap_user [2022-12-14 10:30:25,875 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:30:25,881 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:25,882 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 10:30:25,883 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 10:30:25,884 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:25,885 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:25,885 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-12-14 10:30:25,886 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:25,887 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:25,887 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-12-14 10:30:25,888 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:30:25,889 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:25,891 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:25,892 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:25,894 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:25,895 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:25,897 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-12-14 10:30:25,900 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 10:30:25,900 WARN L623 FunctionHandler]: Unknown extern function __rwlock_init [2022-12-14 10:30:25,901 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:25,902 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:25,908 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:25,909 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:25,909 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:30:25,909 WARN L623 FunctionHandler]: Unknown extern function scsi_device_put [2022-12-14 10:30:25,910 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 10:30:25,910 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 10:30:25,910 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 10:30:25,921 WARN L623 FunctionHandler]: Unknown extern function idr_for_each [2022-12-14 10:30:26,026 WARN L623 FunctionHandler]: Unknown extern function proc_mkdir [2022-12-14 10:30:26,028 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-12-14 10:30:26,029 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-12-14 10:30:26,029 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 10:30:26,030 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-14 10:30:26,030 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 10:30:26,030 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 10:30:26,031 WARN L623 FunctionHandler]: Unknown extern function kstrtoul_from_user [2022-12-14 10:30:26,031 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-14 10:30:26,031 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 10:30:26,032 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 10:30:26,032 WARN L623 FunctionHandler]: Unknown extern function kstrtoul_from_user [2022-12-14 10:30:26,033 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 10:30:26,033 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-14 10:30:26,034 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-14 10:30:26,034 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-14 10:30:26,036 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:30:26,037 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-14 10:30:26,038 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-14 10:30:26,038 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 10:30:26,041 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 10:30:26,041 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-14 10:30:26,041 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-14 10:30:26,049 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-12-14 10:30:26,049 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 10:30:26,049 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 10:30:26,051 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-14 10:30:26,051 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-14 10:30:26,052 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 10:30:26,053 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 10:30:26,053 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-12-14 10:30:26,054 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-12-14 10:30:26,054 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 10:30:26,054 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 10:30:26,055 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-14 10:30:26,056 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 10:30:26,057 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 10:30:26,058 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-14 10:30:26,058 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 10:30:26,059 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 10:30:26,699 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 10:30:26,700 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 10:30:26,701 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 10:30:26,701 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 10:30:26,703 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 10:30:26,703 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 10:30:26,704 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 10:30:26,705 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 10:30:26,706 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 10:30:26,707 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 10:30:26,708 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 10:30:26,709 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 10:30:26,710 WARN L623 FunctionHandler]: Unknown extern function no_llseek [2022-12-14 10:30:26,711 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 10:30:26,712 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 10:30:26,714 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-14 10:30:26,715 WARN L623 FunctionHandler]: Unknown extern function seq_release [2022-12-14 10:30:26,715 WARN L623 FunctionHandler]: Unknown extern function seq_release [2022-12-14 10:30:26,715 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-14 10:30:26,715 WARN L623 FunctionHandler]: Unknown extern function seq_release [2022-12-14 10:30:26,716 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-14 10:30:26,716 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-14 10:30:26,734 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 10:30:26,742 WARN L623 FunctionHandler]: Unknown extern function alloc_disk [2022-12-14 10:30:26,742 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-14 10:30:26,743 WARN L623 FunctionHandler]: Unknown extern function cdev_del [2022-12-14 10:30:26,743 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-14 10:30:26,743 WARN L623 FunctionHandler]: Unknown extern function cdev_del [2022-12-14 10:30:26,744 WARN L623 FunctionHandler]: Unknown extern function register_chrdev_region [2022-12-14 10:30:26,744 WARN L623 FunctionHandler]: Unknown extern function scsi_register_interface [2022-12-14 10:30:26,745 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-12-14 10:30:26,745 WARN L623 FunctionHandler]: Unknown extern function class_interface_unregister [2022-12-14 10:30:26,745 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-12-14 10:30:26,746 WARN L623 FunctionHandler]: Unknown extern function seq_open [2022-12-14 10:30:26,747 WARN L623 FunctionHandler]: Unknown extern function seq_open [2022-12-14 10:30:26,747 WARN L623 FunctionHandler]: Unknown extern function seq_open [2022-12-14 10:30:27,237 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 10:30:27,458 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:30:27,984 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[625473,625486] [2022-12-14 10:30:27,987 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[625618,625631] [2022-12-14 10:30:27,988 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[625764,625777] [2022-12-14 10:30:27,988 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[625929,625942] [2022-12-14 10:30:27,988 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[626087,626100] [2022-12-14 10:30:27,988 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[626245,626258] [2022-12-14 10:30:27,989 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[626403,626416] [2022-12-14 10:30:27,989 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[626563,626576] [2022-12-14 10:30:27,989 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[626722,626735] [2022-12-14 10:30:27,989 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[626861,626874] [2022-12-14 10:30:27,990 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[627003,627016] [2022-12-14 10:30:27,990 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[627152,627165] [2022-12-14 10:30:27,990 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[627291,627304] [2022-12-14 10:30:27,990 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[627446,627459] [2022-12-14 10:30:27,991 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[627606,627619] [2022-12-14 10:30:27,991 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[627757,627770] [2022-12-14 10:30:27,991 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[627908,627921] [2022-12-14 10:30:27,991 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[628060,628073] [2022-12-14 10:30:27,992 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[628209,628222] [2022-12-14 10:30:27,992 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[628357,628370] [2022-12-14 10:30:27,992 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[628514,628527] [2022-12-14 10:30:27,992 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[628663,628676] [2022-12-14 10:30:27,992 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[628819,628832] [2022-12-14 10:30:27,993 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[628972,628985] [2022-12-14 10:30:27,993 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[629118,629131] [2022-12-14 10:30:27,993 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[629261,629274] [2022-12-14 10:30:27,993 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[629413,629426] [2022-12-14 10:30:27,994 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[629559,629572] [2022-12-14 10:30:27,994 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[629704,629717] [2022-12-14 10:30:27,994 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[629858,629871] [2022-12-14 10:30:27,994 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[630009,630022] [2022-12-14 10:30:27,995 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[630164,630177] [2022-12-14 10:30:27,995 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[630316,630329] [2022-12-14 10:30:27,995 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[630471,630484] [2022-12-14 10:30:27,995 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[630635,630648] [2022-12-14 10:30:27,995 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[630791,630804] [2022-12-14 10:30:27,996 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[630955,630968] [2022-12-14 10:30:27,996 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[631097,631110] [2022-12-14 10:30:27,996 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[631255,631268] [2022-12-14 10:30:27,996 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[631422,631435] [2022-12-14 10:30:27,997 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[631581,631594] [2022-12-14 10:30:27,997 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[631740,631753] [2022-12-14 10:30:27,997 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[631889,631902] [2022-12-14 10:30:27,997 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[632036,632049] [2022-12-14 10:30:27,998 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[632175,632188] [2022-12-14 10:30:27,998 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[632338,632351] [2022-12-14 10:30:27,998 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[632504,632517] [2022-12-14 10:30:27,998 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[632668,632681] [2022-12-14 10:30:27,998 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[632833,632846] [2022-12-14 10:30:27,999 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[632998,633011] [2022-12-14 10:30:27,999 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[633164,633177] [2022-12-14 10:30:27,999 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[633329,633342] [2022-12-14 10:30:27,999 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[633496,633509] [2022-12-14 10:30:28,000 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[633656,633669] [2022-12-14 10:30:28,000 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[633818,633831] [2022-12-14 10:30:28,000 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[633977,633990] [2022-12-14 10:30:28,000 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[634123,634136] [2022-12-14 10:30:28,001 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[634266,634279] [2022-12-14 10:30:28,001 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[634410,634423] [2022-12-14 10:30:28,001 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[634553,634566] [2022-12-14 10:30:28,001 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[634697,634710] [2022-12-14 10:30:28,001 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[634838,634851] [2022-12-14 10:30:28,002 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[634976,634989] [2022-12-14 10:30:28,002 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[635134,635147] [2022-12-14 10:30:28,002 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[635293,635306] [2022-12-14 10:30:28,002 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[635449,635462] [2022-12-14 10:30:28,003 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[635598,635611] [2022-12-14 10:30:28,003 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[635750,635763] [2022-12-14 10:30:28,003 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[635901,635914] [2022-12-14 10:30:28,003 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[636050,636063] [2022-12-14 10:30:28,004 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[636202,636215] [2022-12-14 10:30:28,004 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[636350,636363] [2022-12-14 10:30:28,004 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[636503,636516] [2022-12-14 10:30:28,004 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[636654,636667] [2022-12-14 10:30:28,005 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[636804,636817] [2022-12-14 10:30:28,005 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[636951,636964] [2022-12-14 10:30:28,005 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[637102,637115] [2022-12-14 10:30:28,005 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[637253,637266] [2022-12-14 10:30:28,005 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[637401,637414] [2022-12-14 10:30:28,006 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[637567,637580] [2022-12-14 10:30:28,006 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[637736,637749] [2022-12-14 10:30:28,006 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[637903,637916] [2022-12-14 10:30:28,006 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[638071,638084] [2022-12-14 10:30:28,007 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[638221,638234] [2022-12-14 10:30:28,007 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[638368,638381] [2022-12-14 10:30:28,007 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[638529,638542] [2022-12-14 10:30:28,007 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[638699,638712] [2022-12-14 10:30:28,008 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[638861,638874] [2022-12-14 10:30:28,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:30:28,047 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 10:30:28,103 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 10:30:28,104 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 10:30:28,105 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 10:30:28,106 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 10:30:28,116 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 10:30:28,117 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 10:30:28,118 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 10:30:28,119 WARN L623 FunctionHandler]: Unknown extern function __get_page_tail [2022-12-14 10:30:28,119 WARN L623 FunctionHandler]: Unknown extern function dump_page [2022-12-14 10:30:28,121 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:28,122 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:28,122 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:28,122 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 10:30:28,123 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 10:30:28,123 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-14 10:30:28,123 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:28,123 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 10:30:28,124 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 10:30:28,124 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-14 10:30:28,128 WARN L623 FunctionHandler]: Unknown extern function proc_create_data [2022-12-14 10:30:28,130 WARN L623 FunctionHandler]: Unknown extern function blk_verify_command [2022-12-14 10:30:28,131 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 10:30:28,131 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-14 10:30:28,132 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 10:30:28,132 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 10:30:28,132 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 10:30:28,133 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-14 10:30:28,133 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 10:30:28,133 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 10:30:28,135 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:28,135 WARN L623 FunctionHandler]: Unknown extern function scsi_device_get [2022-12-14 10:30:28,136 WARN L623 FunctionHandler]: Unknown extern function scsi_autopm_get_device [2022-12-14 10:30:28,136 WARN L623 FunctionHandler]: Unknown extern function scsi_block_when_processing_errors [2022-12-14 10:30:28,137 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:30:28,137 WARN L623 FunctionHandler]: Unknown extern function scsi_autopm_put_device [2022-12-14 10:30:28,137 WARN L623 FunctionHandler]: Unknown extern function scsi_device_put [2022-12-14 10:30:28,141 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:28,141 WARN L623 FunctionHandler]: Unknown extern function scsi_autopm_put_device [2022-12-14 10:30:28,142 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:30:28,142 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:30:28,145 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:28,147 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:30:28,147 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 10:30:28,148 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-14 10:30:28,148 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 10:30:28,149 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 10:30:28,151 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:30:28,157 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:28,157 WARN L623 FunctionHandler]: Unknown extern function scsi_block_when_processing_errors [2022-12-14 10:30:28,159 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:28,159 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 10:30:28,160 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:28,163 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-12-14 10:30:28,163 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:30:28,165 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:28,169 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 10:30:28,173 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:28,176 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:28,179 WARN L623 FunctionHandler]: Unknown extern function blk_end_request_all [2022-12-14 10:30:28,179 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-12-14 10:30:28,184 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:28,185 WARN L623 FunctionHandler]: Unknown extern function scsi_block_when_processing_errors [2022-12-14 10:30:28,186 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 10:30:28,187 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-14 10:30:28,187 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 10:30:28,187 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 10:30:28,188 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:28,188 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:28,189 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:28,190 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 10:30:28,190 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 10:30:28,190 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 10:30:28,191 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 10:30:28,191 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 10:30:28,191 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 10:30:28,191 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 10:30:28,192 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 10:30:28,192 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 10:30:28,192 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:28,193 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 10:30:28,195 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 10:30:28,199 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:28,200 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:28,200 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:28,201 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:28,201 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:28,202 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:28,202 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:28,202 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:28,203 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:28,203 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:28,203 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:28,205 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-12-14 10:30:28,219 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:30:28,220 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:28,221 WARN L623 FunctionHandler]: Unknown extern function sg_scsi_ioctl [2022-12-14 10:30:28,221 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:28,222 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:30:28,222 WARN L623 FunctionHandler]: Unknown extern function blk_trace_setup [2022-12-14 10:30:28,223 WARN L623 FunctionHandler]: Unknown extern function blk_trace_startstop [2022-12-14 10:30:28,223 WARN L623 FunctionHandler]: Unknown extern function blk_trace_startstop [2022-12-14 10:30:28,223 WARN L623 FunctionHandler]: Unknown extern function blk_trace_remove [2022-12-14 10:30:28,224 WARN L623 FunctionHandler]: Unknown extern function scsi_ioctl_block_when_processing_errors [2022-12-14 10:30:28,224 WARN L623 FunctionHandler]: Unknown extern function scsi_ioctl [2022-12-14 10:30:28,240 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:28,244 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:28,245 WARN L623 FunctionHandler]: Unknown extern function fasync_helper [2022-12-14 10:30:28,246 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:28,251 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:28,261 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 10:30:28,265 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 10:30:28,269 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:30:28,269 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:28,270 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-12-14 10:30:28,271 WARN L623 FunctionHandler]: Unknown extern function __scsi_print_sense [2022-12-14 10:30:28,271 WARN L623 FunctionHandler]: Unknown extern function scsi_normalize_sense [2022-12-14 10:30:28,272 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:30:28,275 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:30:28,276 WARN L623 FunctionHandler]: Unknown extern function kill_fasync [2022-12-14 10:30:28,276 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 10:30:28,276 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 10:30:28,278 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:28,278 WARN L623 FunctionHandler]: Unknown extern function idr_preload [2022-12-14 10:30:28,279 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:28,279 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:28,280 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:28,280 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 10:30:28,280 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 10:30:28,281 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 10:30:28,281 WARN L623 FunctionHandler]: Unknown extern function __rwlock_init [2022-12-14 10:30:28,281 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:30:28,285 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:30:28,286 WARN L623 FunctionHandler]: Unknown extern function cdev_alloc [2022-12-14 10:30:28,286 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:30:28,289 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:30:28,289 WARN L623 FunctionHandler]: Unknown extern function cdev_add [2022-12-14 10:30:28,290 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-12-14 10:30:28,290 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:30:28,291 WARN L623 FunctionHandler]: Unknown extern function sysfs_create_link [2022-12-14 10:30:28,291 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:30:28,291 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:30:28,291 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:28,292 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:30:28,292 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:28,293 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:30:28,296 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:28,296 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:30:28,297 WARN L623 FunctionHandler]: Unknown extern function kill_fasync [2022-12-14 10:30:28,297 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:30:28,297 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_link [2022-12-14 10:30:28,297 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-12-14 10:30:28,303 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:28,306 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:30:28,307 WARN L623 FunctionHandler]: Unknown extern function blk_rq_set_block_pc [2022-12-14 10:30:28,308 WARN L623 FunctionHandler]: Unknown extern function memdup_user [2022-12-14 10:30:28,309 WARN L623 FunctionHandler]: Unknown extern function iov_iter_init [2022-12-14 10:30:28,309 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_user_iov [2022-12-14 10:30:28,309 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:30:28,309 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_user [2022-12-14 10:30:28,312 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:28,315 WARN L623 FunctionHandler]: Unknown extern function blk_rq_unmap_user [2022-12-14 10:30:28,315 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:30:28,317 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:28,320 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 10:30:28,320 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 10:30:28,321 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:28,335 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:28,341 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-12-14 10:30:28,342 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:28,349 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:28,355 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-12-14 10:30:28,356 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:30:28,356 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:28,361 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:28,364 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:28,367 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:28,370 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:28,385 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-12-14 10:30:28,395 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 10:30:28,395 WARN L623 FunctionHandler]: Unknown extern function __rwlock_init [2022-12-14 10:30:28,398 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:28,399 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:28,402 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:28,403 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 10:30:28,403 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:30:28,403 WARN L623 FunctionHandler]: Unknown extern function scsi_device_put [2022-12-14 10:30:28,406 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 10:30:28,406 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 10:30:28,406 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 10:30:28,411 WARN L623 FunctionHandler]: Unknown extern function idr_for_each [2022-12-14 10:30:28,414 WARN L623 FunctionHandler]: Unknown extern function proc_mkdir [2022-12-14 10:30:28,415 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-12-14 10:30:28,415 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-12-14 10:30:28,415 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 10:30:28,416 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-14 10:30:28,416 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 10:30:28,417 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 10:30:28,417 WARN L623 FunctionHandler]: Unknown extern function kstrtoul_from_user [2022-12-14 10:30:28,417 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-14 10:30:28,417 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 10:30:28,418 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 10:30:28,418 WARN L623 FunctionHandler]: Unknown extern function kstrtoul_from_user [2022-12-14 10:30:28,418 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 10:30:28,419 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-14 10:30:28,419 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-14 10:30:28,419 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-14 10:30:28,420 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:30:28,421 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-14 10:30:28,421 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-14 10:30:28,422 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 10:30:28,423 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 10:30:28,423 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-14 10:30:28,423 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-14 10:30:28,424 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-12-14 10:30:28,424 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 10:30:28,425 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 10:30:28,425 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-14 10:30:28,426 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-14 10:30:28,426 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 10:30:28,426 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 10:30:28,427 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-12-14 10:30:28,427 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-12-14 10:30:28,427 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 10:30:28,427 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 10:30:28,430 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-14 10:30:28,434 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 10:30:28,435 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 10:30:28,435 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-14 10:30:28,436 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 10:30:28,436 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 10:30:28,462 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 10:30:28,463 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 10:30:28,463 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 10:30:28,464 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 10:30:28,465 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 10:30:28,465 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 10:30:28,466 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 10:30:28,466 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 10:30:28,467 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 10:30:28,468 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 10:30:28,468 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 10:30:28,469 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 10:30:28,470 WARN L623 FunctionHandler]: Unknown extern function no_llseek [2022-12-14 10:30:28,471 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 10:30:28,471 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 10:30:28,473 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-14 10:30:28,473 WARN L623 FunctionHandler]: Unknown extern function seq_release [2022-12-14 10:30:28,473 WARN L623 FunctionHandler]: Unknown extern function seq_release [2022-12-14 10:30:28,474 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-14 10:30:28,474 WARN L623 FunctionHandler]: Unknown extern function seq_release [2022-12-14 10:30:28,474 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-14 10:30:28,474 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-14 10:30:28,490 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 10:30:28,491 WARN L623 FunctionHandler]: Unknown extern function alloc_disk [2022-12-14 10:30:28,491 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-14 10:30:28,492 WARN L623 FunctionHandler]: Unknown extern function cdev_del [2022-12-14 10:30:28,492 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-14 10:30:28,492 WARN L623 FunctionHandler]: Unknown extern function cdev_del [2022-12-14 10:30:28,492 WARN L623 FunctionHandler]: Unknown extern function register_chrdev_region [2022-12-14 10:30:28,493 WARN L623 FunctionHandler]: Unknown extern function scsi_register_interface [2022-12-14 10:30:28,493 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-12-14 10:30:28,493 WARN L623 FunctionHandler]: Unknown extern function class_interface_unregister [2022-12-14 10:30:28,493 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-12-14 10:30:28,494 WARN L623 FunctionHandler]: Unknown extern function seq_open [2022-12-14 10:30:28,494 WARN L623 FunctionHandler]: Unknown extern function seq_open [2022-12-14 10:30:28,494 WARN L623 FunctionHandler]: Unknown extern function seq_open [2022-12-14 10:30:28,504 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 10:30:28,509 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:30:28,521 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[625473,625486] [2022-12-14 10:30:28,522 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[625618,625631] [2022-12-14 10:30:28,522 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[625764,625777] [2022-12-14 10:30:28,522 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[625929,625942] [2022-12-14 10:30:28,523 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[626087,626100] [2022-12-14 10:30:28,523 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[626245,626258] [2022-12-14 10:30:28,523 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[626403,626416] [2022-12-14 10:30:28,523 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[626563,626576] [2022-12-14 10:30:28,524 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[626722,626735] [2022-12-14 10:30:28,524 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[626861,626874] [2022-12-14 10:30:28,524 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[627003,627016] [2022-12-14 10:30:28,524 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[627152,627165] [2022-12-14 10:30:28,525 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[627291,627304] [2022-12-14 10:30:28,525 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[627446,627459] [2022-12-14 10:30:28,525 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[627606,627619] [2022-12-14 10:30:28,525 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[627757,627770] [2022-12-14 10:30:28,525 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[627908,627921] [2022-12-14 10:30:28,526 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[628060,628073] [2022-12-14 10:30:28,526 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[628209,628222] [2022-12-14 10:30:28,526 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[628357,628370] [2022-12-14 10:30:28,526 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[628514,628527] [2022-12-14 10:30:28,527 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[628663,628676] [2022-12-14 10:30:28,527 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[628819,628832] [2022-12-14 10:30:28,527 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[628972,628985] [2022-12-14 10:30:28,527 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[629118,629131] [2022-12-14 10:30:28,528 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[629261,629274] [2022-12-14 10:30:28,528 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[629413,629426] [2022-12-14 10:30:28,528 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[629559,629572] [2022-12-14 10:30:28,528 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[629704,629717] [2022-12-14 10:30:28,528 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[629858,629871] [2022-12-14 10:30:28,529 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[630009,630022] [2022-12-14 10:30:28,529 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[630164,630177] [2022-12-14 10:30:28,529 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[630316,630329] [2022-12-14 10:30:28,529 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[630471,630484] [2022-12-14 10:30:28,530 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[630635,630648] [2022-12-14 10:30:28,530 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[630791,630804] [2022-12-14 10:30:28,530 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[630955,630968] [2022-12-14 10:30:28,530 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[631097,631110] [2022-12-14 10:30:28,530 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[631255,631268] [2022-12-14 10:30:28,531 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[631422,631435] [2022-12-14 10:30:28,531 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[631581,631594] [2022-12-14 10:30:28,531 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[631740,631753] [2022-12-14 10:30:28,531 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[631889,631902] [2022-12-14 10:30:28,532 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[632036,632049] [2022-12-14 10:30:28,532 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[632175,632188] [2022-12-14 10:30:28,532 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[632338,632351] [2022-12-14 10:30:28,532 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[632504,632517] [2022-12-14 10:30:28,533 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[632668,632681] [2022-12-14 10:30:28,533 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[632833,632846] [2022-12-14 10:30:28,533 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[632998,633011] [2022-12-14 10:30:28,533 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[633164,633177] [2022-12-14 10:30:28,534 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[633329,633342] [2022-12-14 10:30:28,534 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[633496,633509] [2022-12-14 10:30:28,534 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[633656,633669] [2022-12-14 10:30:28,534 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[633818,633831] [2022-12-14 10:30:28,534 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[633977,633990] [2022-12-14 10:30:28,535 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[634123,634136] [2022-12-14 10:30:28,535 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[634266,634279] [2022-12-14 10:30:28,535 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[634410,634423] [2022-12-14 10:30:28,535 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[634553,634566] [2022-12-14 10:30:28,536 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[634697,634710] [2022-12-14 10:30:28,536 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[634838,634851] [2022-12-14 10:30:28,536 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[634976,634989] [2022-12-14 10:30:28,536 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[635134,635147] [2022-12-14 10:30:28,536 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[635293,635306] [2022-12-14 10:30:28,537 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[635449,635462] [2022-12-14 10:30:28,537 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[635598,635611] [2022-12-14 10:30:28,537 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[635750,635763] [2022-12-14 10:30:28,537 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[635901,635914] [2022-12-14 10:30:28,538 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[636050,636063] [2022-12-14 10:30:28,538 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[636202,636215] [2022-12-14 10:30:28,538 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[636350,636363] [2022-12-14 10:30:28,538 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[636503,636516] [2022-12-14 10:30:28,539 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[636654,636667] [2022-12-14 10:30:28,539 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[636804,636817] [2022-12-14 10:30:28,539 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[636951,636964] [2022-12-14 10:30:28,539 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[637102,637115] [2022-12-14 10:30:28,540 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[637253,637266] [2022-12-14 10:30:28,540 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[637401,637414] [2022-12-14 10:30:28,540 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[637567,637580] [2022-12-14 10:30:28,540 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[637736,637749] [2022-12-14 10:30:28,540 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[637903,637916] [2022-12-14 10:30:28,541 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[638071,638084] [2022-12-14 10:30:28,541 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[638221,638234] [2022-12-14 10:30:28,541 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[638368,638381] [2022-12-14 10:30:28,541 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[638529,638542] [2022-12-14 10:30:28,542 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[638699,638712] [2022-12-14 10:30:28,542 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--sg.ko.cil.i[638861,638874] [2022-12-14 10:30:28,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:30:28,716 INFO L208 MainTranslator]: Completed translation [2022-12-14 10:30:28,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:30:28 WrapperNode [2022-12-14 10:30:28,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 10:30:28,717 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 10:30:28,717 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 10:30:28,717 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 10:30:28,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:30:28" (1/1) ... [2022-12-14 10:30:28,795 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:30:28" (1/1) ... [2022-12-14 10:30:28,972 INFO L138 Inliner]: procedures = 767, calls = 3629, calls flagged for inlining = 392, calls inlined = 328, statements flattened = 11190 [2022-12-14 10:30:28,973 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 10:30:28,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 10:30:28,973 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 10:30:28,973 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 10:30:28,981 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:30:28" (1/1) ... [2022-12-14 10:30:28,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:30:28" (1/1) ... [2022-12-14 10:30:29,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:30:28" (1/1) ... [2022-12-14 10:30:29,030 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:30:28" (1/1) ... [2022-12-14 10:30:29,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:30:28" (1/1) ... [2022-12-14 10:30:29,142 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:30:28" (1/1) ... [2022-12-14 10:30:29,202 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:30:28" (1/1) ... [2022-12-14 10:30:29,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:30:28" (1/1) ... [2022-12-14 10:30:29,252 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 10:30:29,253 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 10:30:29,253 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 10:30:29,253 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 10:30:29,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:30:28" (1/1) ... [2022-12-14 10:30:29,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:30:29,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:30:29,276 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 10:30:29,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 10:30:29,310 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-12-14 10:30:29,310 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-12-14 10:30:29,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2022-12-14 10:30:29,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2022-12-14 10:30:29,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2022-12-14 10:30:29,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2022-12-14 10:30:29,310 INFO L130 BoogieDeclarations]: Found specification of procedure sg_rq_end_io_usercontext [2022-12-14 10:30:29,310 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_rq_end_io_usercontext [2022-12-14 10:30:29,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-12-14 10:30:29,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-12-14 10:30:29,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 10:30:29,311 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 10:30:29,311 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2022-12-14 10:30:29,311 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2022-12-14 10:30:29,311 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-12-14 10:30:29,311 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-12-14 10:30:29,311 INFO L130 BoogieDeclarations]: Found specification of procedure srp_done [2022-12-14 10:30:29,311 INFO L138 BoogieDeclarations]: Found implementation of procedure srp_done [2022-12-14 10:30:29,311 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2022-12-14 10:30:29,311 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_when_processing_errors [2022-12-14 10:30:29,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 10:30:29,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 10:30:29,311 INFO L130 BoogieDeclarations]: Found specification of procedure sg_read [2022-12-14 10:30:29,311 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_read [2022-12-14 10:30:29,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-12-14 10:30:29,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-12-14 10:30:29,312 INFO L130 BoogieDeclarations]: Found specification of procedure sg_mmap [2022-12-14 10:30:29,312 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_mmap [2022-12-14 10:30:29,312 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-12-14 10:30:29,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-12-14 10:30:29,312 INFO L130 BoogieDeclarations]: Found specification of procedure sg_res_in_use [2022-12-14 10:30:29,312 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_res_in_use [2022-12-14 10:30:29,312 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2022-12-14 10:30:29,312 INFO L130 BoogieDeclarations]: Found specification of procedure max_sectors_bytes [2022-12-14 10:30:29,312 INFO L138 BoogieDeclarations]: Found implementation of procedure max_sectors_bytes [2022-12-14 10:30:29,312 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_put [2022-12-14 10:30:29,312 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_put [2022-12-14 10:30:29,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-12-14 10:30:29,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-12-14 10:30:29,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-12-14 10:30:29,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-12-14 10:30:29,313 INFO L130 BoogieDeclarations]: Found specification of procedure sg_common_write [2022-12-14 10:30:29,313 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_common_write [2022-12-14 10:30:29,313 INFO L130 BoogieDeclarations]: Found specification of procedure sg_proc_seq_show_devstrs [2022-12-14 10:30:29,313 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_proc_seq_show_devstrs [2022-12-14 10:30:29,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 10:30:29,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 10:30:29,313 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2022-12-14 10:30:29,313 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2022-12-14 10:30:29,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 10:30:29,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 10:30:29,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-12-14 10:30:29,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-12-14 10:30:29,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_del [2022-12-14 10:30:29,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_del [2022-12-14 10:30:29,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 10:30:29,314 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-12-14 10:30:29,314 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-12-14 10:30:29,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_write_unlock [2022-12-14 10:30:29,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_write_unlock [2022-12-14 10:30:29,314 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2022-12-14 10:30:29,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2022-12-14 10:30:29,314 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-14 10:30:29,314 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-14 10:30:29,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-12-14 10:30:29,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-12-14 10:30:29,314 INFO L130 BoogieDeclarations]: Found specification of procedure sg_add_device [2022-12-14 10:30:29,314 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_add_device [2022-12-14 10:30:29,314 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-12-14 10:30:29,314 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-12-14 10:30:29,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 10:30:29,314 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-12-14 10:30:29,315 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-12-14 10:30:29,315 INFO L130 BoogieDeclarations]: Found specification of procedure sg_allow_access [2022-12-14 10:30:29,315 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_allow_access [2022-12-14 10:30:29,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 10:30:29,315 INFO L130 BoogieDeclarations]: Found specification of procedure __rwlock_init [2022-12-14 10:30:29,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __rwlock_init [2022-12-14 10:30:29,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-12-14 10:30:29,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-12-14 10:30:29,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 10:30:29,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 10:30:29,315 INFO L130 BoogieDeclarations]: Found specification of procedure dev_seq_start [2022-12-14 10:30:29,315 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_seq_start [2022-12-14 10:30:29,315 INFO L130 BoogieDeclarations]: Found specification of procedure seq_open [2022-12-14 10:30:29,315 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_open [2022-12-14 10:30:29,315 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-12-14 10:30:29,315 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-12-14 10:30:29,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-12-14 10:30:29,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-12-14 10:30:29,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 10:30:29,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-12-14 10:30:29,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-12-14 10:30:29,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-12-14 10:30:29,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-12-14 10:30:29,316 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2022-12-14 10:30:29,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2022-12-14 10:30:29,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_open_rel_lock_of_sg_device [2022-12-14 10:30:29,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_open_rel_lock_of_sg_device [2022-12-14 10:30:29,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 10:30:29,316 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 10:30:29,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-12-14 10:30:29,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-12-14 10:30:29,316 INFO L130 BoogieDeclarations]: Found specification of procedure sg_lookup_dev [2022-12-14 10:30:29,317 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_lookup_dev [2022-12-14 10:30:29,317 INFO L130 BoogieDeclarations]: Found specification of procedure sg_remove_sfp_usercontext [2022-12-14 10:30:29,317 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_remove_sfp_usercontext [2022-12-14 10:30:29,317 INFO L130 BoogieDeclarations]: Found specification of procedure sg_remove_scat [2022-12-14 10:30:29,317 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_remove_scat [2022-12-14 10:30:29,317 INFO L130 BoogieDeclarations]: Found specification of procedure sg_proc_single_open_devhdr [2022-12-14 10:30:29,317 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_proc_single_open_devhdr [2022-12-14 10:30:29,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-14 10:30:29,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-14 10:30:29,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-14 10:30:29,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-14 10:30:29,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_put_blk_rq [2022-12-14 10:30:29,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_put_blk_rq [2022-12-14 10:30:29,317 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-12-14 10:30:29,317 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-12-14 10:30:29,318 INFO L130 BoogieDeclarations]: Found specification of procedure sg_fasync [2022-12-14 10:30:29,318 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_fasync [2022-12-14 10:30:29,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_fs_char_dev__double_registration [2022-12-14 10:30:29,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_fs_char_dev__double_registration [2022-12-14 10:30:29,318 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2022-12-14 10:30:29,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-12-14 10:30:29,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-12-14 10:30:29,318 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-12-14 10:30:29,318 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-12-14 10:30:29,318 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-12-14 10:30:29,318 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-12-14 10:30:29,318 INFO L130 BoogieDeclarations]: Found specification of procedure sg_new_write [2022-12-14 10:30:29,318 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_new_write [2022-12-14 10:30:29,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-12-14 10:30:29,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-12-14 10:30:29,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2022-12-14 10:30:29,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2022-12-14 10:30:29,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_write_lock [2022-12-14 10:30:29,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_write_lock [2022-12-14 10:30:29,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 10:30:29,319 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2022-12-14 10:30:29,319 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2022-12-14 10:30:29,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 10:30:29,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__not_initialized [2022-12-14 10:30:29,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__not_initialized [2022-12-14 10:30:29,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_read_unlock [2022-12-14 10:30:29,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_read_unlock [2022-12-14 10:30:29,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 10:30:29,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 10:30:29,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 10:30:29,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_seq_open [2022-12-14 10:30:29,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_seq_open [2022-12-14 10:30:29,320 INFO L130 BoogieDeclarations]: Found specification of procedure queue_max_segments [2022-12-14 10:30:29,320 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_max_segments [2022-12-14 10:30:29,320 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 10:30:29,320 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~X~int~TO~int [2022-12-14 10:30:29,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~X~int~TO~int [2022-12-14 10:30:29,320 INFO L130 BoogieDeclarations]: Found specification of procedure sg_write [2022-12-14 10:30:29,320 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_write [2022-12-14 10:30:29,320 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 10:30:29,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 10:30:29,320 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-12-14 10:30:29,320 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-12-14 10:30:29,320 INFO L130 BoogieDeclarations]: Found specification of procedure dev_seq_next [2022-12-14 10:30:29,320 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_seq_next [2022-12-14 10:30:29,320 INFO L130 BoogieDeclarations]: Found specification of procedure sg_new_read [2022-12-14 10:30:29,320 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_new_read [2022-12-14 10:30:29,320 INFO L130 BoogieDeclarations]: Found specification of procedure sg_build_reserve [2022-12-14 10:30:29,321 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_build_reserve [2022-12-14 10:30:29,321 INFO L130 BoogieDeclarations]: Found specification of procedure sg_proc_write_dressz [2022-12-14 10:30:29,321 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_proc_write_dressz [2022-12-14 10:30:29,321 INFO L130 BoogieDeclarations]: Found specification of procedure sg_proc_open_debug [2022-12-14 10:30:29,321 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_proc_open_debug [2022-12-14 10:30:29,321 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-12-14 10:30:29,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-12-14 10:30:29,321 INFO L130 BoogieDeclarations]: Found specification of procedure sg_build_indirect [2022-12-14 10:30:29,321 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_build_indirect [2022-12-14 10:30:29,321 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-14 10:30:29,321 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-14 10:30:29,321 INFO L130 BoogieDeclarations]: Found specification of procedure sg_open [2022-12-14 10:30:29,321 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_open [2022-12-14 10:30:29,321 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2022-12-14 10:30:29,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2022-12-14 10:30:29,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-12-14 10:30:29,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-12-14 10:30:29,322 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-12-14 10:30:29,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-12-14 10:30:29,322 INFO L130 BoogieDeclarations]: Found specification of procedure sg_proc_single_open_version [2022-12-14 10:30:29,322 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_proc_single_open_version [2022-12-14 10:30:29,322 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-12-14 10:30:29,322 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-12-14 10:30:29,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 10:30:29,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 10:30:29,322 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-14 10:30:29,322 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-14 10:30:29,322 INFO L130 BoogieDeclarations]: Found specification of procedure sg_finish_rem_req [2022-12-14 10:30:29,322 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_finish_rem_req [2022-12-14 10:30:29,322 INFO L130 BoogieDeclarations]: Found specification of procedure sg_proc_seq_show_dev [2022-12-14 10:30:29,322 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_proc_seq_show_dev [2022-12-14 10:30:29,322 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-12-14 10:30:29,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-12-14 10:30:29,323 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-12-14 10:30:29,323 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-12-14 10:30:29,323 INFO L130 BoogieDeclarations]: Found specification of procedure sg_proc_open_devstrs [2022-12-14 10:30:29,323 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_proc_open_devstrs [2022-12-14 10:30:29,323 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2022-12-14 10:30:29,323 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2022-12-14 10:30:29,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 10:30:29,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 10:30:29,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 10:30:29,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 10:30:29,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_destroy_class [2022-12-14 10:30:29,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_destroy_class [2022-12-14 10:30:29,323 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-12-14 10:30:29,323 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-12-14 10:30:29,324 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-12-14 10:30:29,324 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-12-14 10:30:29,324 INFO L130 BoogieDeclarations]: Found specification of procedure sg_poll [2022-12-14 10:30:29,324 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_poll [2022-12-14 10:30:29,324 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-12-14 10:30:29,324 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-12-14 10:30:29,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 10:30:29,324 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 10:30:29,324 INFO L130 BoogieDeclarations]: Found specification of procedure sg_proc_seq_show_int [2022-12-14 10:30:29,324 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_proc_seq_show_int [2022-12-14 10:30:29,324 INFO L130 BoogieDeclarations]: Found specification of procedure sg_remove_request [2022-12-14 10:30:29,324 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_remove_request [2022-12-14 10:30:29,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-12-14 10:30:29,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-12-14 10:30:29,324 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-12-14 10:30:29,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-12-14 10:30:29,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-12-14 10:30:29,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-12-14 10:30:29,325 INFO L130 BoogieDeclarations]: Found specification of procedure sg_proc_seq_show_debug [2022-12-14 10:30:29,325 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_proc_seq_show_debug [2022-12-14 10:30:29,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 10:30:29,325 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 10:30:29,325 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 10:30:29,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-12-14 10:30:29,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-12-14 10:30:29,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_base_class__double_registration [2022-12-14 10:30:29,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_base_class__double_registration [2022-12-14 10:30:29,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_block_request__double_get [2022-12-14 10:30:29,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_block_request__double_get [2022-12-14 10:30:29,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 10:30:29,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_destroy_class [2022-12-14 10:30:29,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_destroy_class [2022-12-14 10:30:29,326 INFO L130 BoogieDeclarations]: Found specification of procedure sg_proc_write_adio [2022-12-14 10:30:29,326 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_proc_write_adio [2022-12-14 10:30:29,326 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-12-14 10:30:29,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-12-14 10:30:29,326 INFO L130 BoogieDeclarations]: Found specification of procedure sg_proc_seq_show_devhdr [2022-12-14 10:30:29,326 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_proc_seq_show_devhdr [2022-12-14 10:30:29,326 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-12-14 10:30:29,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-12-14 10:30:29,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 10:30:29,326 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-12-14 10:30:29,326 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-12-14 10:30:29,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_read_lock [2022-12-14 10:30:29,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_read_lock [2022-12-14 10:30:29,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_module_put [2022-12-14 10:30:29,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_module_put [2022-12-14 10:30:29,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_idr_remove_sg_index_idr [2022-12-14 10:30:29,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_idr_remove_sg_index_idr [2022-12-14 10:30:29,327 INFO L130 BoogieDeclarations]: Found specification of procedure sg_proc_open_dev [2022-12-14 10:30:29,327 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_proc_open_dev [2022-12-14 10:30:29,327 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_autopm_put_device [2022-12-14 10:30:29,327 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_autopm_put_device [2022-12-14 10:30:29,327 INFO L130 BoogieDeclarations]: Found specification of procedure dev_seq_stop [2022-12-14 10:30:29,327 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_seq_stop [2022-12-14 10:30:29,327 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2022-12-14 10:30:29,327 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2022-12-14 10:30:29,327 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-14 10:30:29,327 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-14 10:30:29,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-12-14 10:30:29,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-12-14 10:30:29,327 INFO L130 BoogieDeclarations]: Found specification of procedure sg_get_rq_mark [2022-12-14 10:30:29,327 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_get_rq_mark [2022-12-14 10:30:29,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 10:30:29,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 10:30:29,328 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-12-14 10:30:29,328 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-12-14 10:30:29,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-14 10:30:29,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-14 10:30:29,328 INFO L130 BoogieDeclarations]: Found specification of procedure blk_trace_startstop [2022-12-14 10:30:29,328 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_trace_startstop [2022-12-14 10:30:29,328 INFO L130 BoogieDeclarations]: Found specification of procedure sg_release [2022-12-14 10:30:29,328 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_release [2022-12-14 10:30:29,328 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-12-14 10:30:29,328 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-12-14 10:30:29,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-12-14 10:30:29,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-12-14 10:30:29,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-12-14 10:30:29,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-12-14 10:30:29,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-12-14 10:30:29,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-12-14 10:30:29,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_open_rel_lock_of_sg_device [2022-12-14 10:30:29,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_open_rel_lock_of_sg_device [2022-12-14 10:30:29,329 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2022-12-14 10:30:29,329 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2022-12-14 10:30:29,329 INFO L130 BoogieDeclarations]: Found specification of procedure sg_proc_single_open_dressz [2022-12-14 10:30:29,329 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_proc_single_open_dressz [2022-12-14 10:30:29,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-12-14 10:30:29,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-12-14 10:30:29,329 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 10:30:29,329 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 10:30:29,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-12-14 10:30:29,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-12-14 10:30:29,329 INFO L130 BoogieDeclarations]: Found specification of procedure kill_fasync [2022-12-14 10:30:29,329 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_fasync [2022-12-14 10:30:29,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 10:30:29,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-12-14 10:30:29,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-12-14 10:30:29,330 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-12-14 10:30:29,330 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-12-14 10:30:29,330 INFO L130 BoogieDeclarations]: Found specification of procedure seq_release [2022-12-14 10:30:29,330 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_release [2022-12-14 10:30:29,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 10:30:29,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 10:30:29,330 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2022-12-14 10:30:29,330 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2022-12-14 10:30:29,330 INFO L130 BoogieDeclarations]: Found specification of procedure sg_ioctl [2022-12-14 10:30:29,330 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_ioctl [2022-12-14 10:30:29,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-12-14 10:30:29,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-12-14 10:30:29,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_unregister_chrdev_region [2022-12-14 10:30:29,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_unregister_chrdev_region [2022-12-14 10:30:29,331 INFO L130 BoogieDeclarations]: Found specification of procedure sg_compat_ioctl [2022-12-14 10:30:29,331 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_compat_ioctl [2022-12-14 10:30:29,331 INFO L130 BoogieDeclarations]: Found specification of procedure sg_proc_seq_show_version [2022-12-14 10:30:29,331 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_proc_seq_show_version [2022-12-14 10:30:29,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_unregister_chrdev_region [2022-12-14 10:30:29,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_unregister_chrdev_region [2022-12-14 10:30:29,331 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2022-12-14 10:30:29,331 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2022-12-14 10:30:29,331 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-12-14 10:30:29,331 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-12-14 10:30:29,331 INFO L130 BoogieDeclarations]: Found specification of procedure sg_vma_fault [2022-12-14 10:30:29,331 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_vma_fault [2022-12-14 10:30:29,331 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-12-14 10:30:29,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-12-14 10:30:29,332 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-12-14 10:30:29,332 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-12-14 10:30:29,332 INFO L130 BoogieDeclarations]: Found specification of procedure sg_add_request [2022-12-14 10:30:29,332 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_add_request [2022-12-14 10:30:29,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 10:30:29,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 10:30:29,332 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-12-14 10:30:29,332 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-12-14 10:30:29,332 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-12-14 10:30:29,332 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-12-14 10:30:29,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-12-14 10:30:29,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-12-14 10:30:29,332 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2022-12-14 10:30:29,332 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2022-12-14 10:30:29,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_put_disk [2022-12-14 10:30:29,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_put_disk [2022-12-14 10:30:29,333 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul_from_user [2022-12-14 10:30:29,333 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul_from_user [2022-12-14 10:30:29,333 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 10:30:29,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 10:30:29,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 10:30:29,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2022-12-14 10:30:29,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2022-12-14 10:30:29,333 INFO L130 BoogieDeclarations]: Found specification of procedure sg_proc_single_open_adio [2022-12-14 10:30:29,333 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_proc_single_open_adio [2022-12-14 10:30:30,267 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 10:30:30,271 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 10:30:30,819 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 10:30:30,887 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_to_user_nocheck_case_8#1: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~2#1; [2022-12-14 10:30:30,887 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_to_user_nocheck_case_4#1: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~2#1; [2022-12-14 10:30:30,887 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_to_user_nocheck_case_2#1: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~2#1; [2022-12-14 10:30:30,887 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846: assume 0 != __copy_to_user_nocheck_~tmp___1~3#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~2#1; [2022-12-14 10:30:30,887 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846: assume !(0 != __copy_to_user_nocheck_~tmp___1~3#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~2#1; [2022-12-14 10:30:30,888 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5805: assume 16 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-12-14 10:30:30,888 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5805: assume !(16 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-12-14 10:30:30,888 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret137#1 && __copy_to_user_nocheck_#t~ret137#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___0~6#1 := __copy_to_user_nocheck_#t~ret137#1;havoc __copy_to_user_nocheck_#t~ret137#1; [2022-12-14 10:30:30,888 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5801: assume 10 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-12-14 10:30:30,888 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5801: assume !(10 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-12-14 10:30:30,888 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_to_user_nocheck_case_16#1: SUMMARY for call __copy_to_user_nocheck_#t~ret138#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~2#1 then 1 else 0), 0); srcloc: null [2022-12-14 10:30:30,888 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_to_user_nocheck_case_10#1: SUMMARY for call __copy_to_user_nocheck_#t~ret137#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~2#1 then 1 else 0), 0); srcloc: null [2022-12-14 10:30:30,888 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5797: assume 8 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-12-14 10:30:30,888 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5797: assume !(8 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-12-14 10:30:30,889 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5793: assume 4 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-12-14 10:30:30,889 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5793: assume !(4 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-12-14 10:30:30,889 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5789: assume 2 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-12-14 10:30:30,889 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5789: assume !(2 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-12-14 10:30:30,889 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-12-14 10:30:30,889 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_to_user_nocheck_case_1#1: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~2#1; [2022-12-14 10:30:30,889 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-12-14 10:30:30,889 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_to_user_nocheck_switch_default#1: SUMMARY for call __copy_to_user_nocheck_#t~ret139#1 := copy_user_generic(__copy_to_user_nocheck_~dst#1.base, __copy_to_user_nocheck_~dst#1.offset, __copy_to_user_nocheck_~src#1.base, __copy_to_user_nocheck_~src#1.offset, __copy_to_user_nocheck_~size#1); srcloc: null [2022-12-14 10:30:30,889 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5856: __copy_to_user_nocheck_~tmp___2~3#1 := __copy_to_user_nocheck_#t~ret139#1;havoc __copy_to_user_nocheck_#t~ret139#1;__copy_to_user_nocheck_#res#1 := (if __copy_to_user_nocheck_~tmp___2~3#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_nocheck_~tmp___2~3#1 % 18446744073709551616 % 4294967296 else __copy_to_user_nocheck_~tmp___2~3#1 % 18446744073709551616 % 4294967296 - 4294967296); [2022-12-14 10:30:30,889 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5844: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret138#1 && __copy_to_user_nocheck_#t~ret138#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___1~3#1 := __copy_to_user_nocheck_#t~ret138#1;havoc __copy_to_user_nocheck_#t~ret138#1; [2022-12-14 10:30:30,890 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5832: assume 0 != __copy_to_user_nocheck_~tmp___0~6#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~2#1; [2022-12-14 10:30:30,890 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5832: assume !(0 != __copy_to_user_nocheck_~tmp___0~6#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~2#1; [2022-12-14 10:30:34,997 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5696: assume 16 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-12-14 10:30:34,997 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5696: assume !(16 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-12-14 10:30:34,997 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_from_user_nocheck_switch_default#1: SUMMARY for call __copy_from_user_nocheck_#t~ret134#1 := copy_user_generic(__copy_from_user_nocheck_~dst#1.base, __copy_from_user_nocheck_~dst#1.offset, __copy_from_user_nocheck_~src#1.base, __copy_from_user_nocheck_~src#1.offset, __copy_from_user_nocheck_~size#1); srcloc: null [2022-12-14 10:30:34,997 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5692: assume 10 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-12-14 10:30:34,998 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5692: assume !(10 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-12-14 10:30:34,998 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5688: assume 8 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-12-14 10:30:34,998 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5688: assume !(8 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-12-14 10:30:34,998 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5684: assume 4 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-12-14 10:30:34,998 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5684: assume !(4 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-12-14 10:30:34,998 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_from_user_nocheck_case_2#1: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~1#1; [2022-12-14 10:30:34,998 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_from_user_nocheck_case_4#1: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~1#1; [2022-12-14 10:30:34,998 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5680: assume 2 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-12-14 10:30:34,998 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5680: assume !(2 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-12-14 10:30:34,998 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_from_user_nocheck_case_8#1: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~1#1; [2022-12-14 10:30:34,998 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5726: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret132#1 && __copy_from_user_nocheck_#t~ret132#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___0~5#1 := __copy_from_user_nocheck_#t~ret132#1;havoc __copy_from_user_nocheck_#t~ret132#1; [2022-12-14 10:30:34,999 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5743: assume 0 != __copy_from_user_nocheck_~tmp___1~2#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~1#1; [2022-12-14 10:30:34,999 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5743: assume !(0 != __copy_from_user_nocheck_~tmp___1~2#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~1#1; [2022-12-14 10:30:34,999 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_from_user_nocheck_case_16#1: SUMMARY for call __copy_from_user_nocheck_#t~ret133#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~1#1 then 1 else 0), 0); srcloc: null [2022-12-14 10:30:34,999 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_from_user_nocheck_case_1#1: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~1#1; [2022-12-14 10:30:34,999 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-12-14 10:30:34,999 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-12-14 10:30:34,999 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5728: assume 0 != __copy_from_user_nocheck_~tmp___0~5#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~1#1; [2022-12-14 10:30:34,999 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5728: assume !(0 != __copy_from_user_nocheck_~tmp___0~5#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~1#1; [2022-12-14 10:30:34,999 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5753: __copy_from_user_nocheck_~tmp___2~2#1 := __copy_from_user_nocheck_#t~ret134#1;havoc __copy_from_user_nocheck_#t~ret134#1;__copy_from_user_nocheck_#res#1 := (if __copy_from_user_nocheck_~tmp___2~2#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_nocheck_~tmp___2~2#1 % 18446744073709551616 % 4294967296 else __copy_from_user_nocheck_~tmp___2~2#1 % 18446744073709551616 % 4294967296 - 4294967296); [2022-12-14 10:30:35,000 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5741: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret133#1 && __copy_from_user_nocheck_#t~ret133#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___1~2#1 := __copy_from_user_nocheck_#t~ret133#1;havoc __copy_from_user_nocheck_#t~ret133#1; [2022-12-14 10:30:35,000 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_from_user_nocheck_case_10#1: SUMMARY for call __copy_from_user_nocheck_#t~ret132#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~1#1 then 1 else 0), 0); srcloc: null [2022-12-14 10:30:36,470 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 10:30:38,644 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 10:30:38,644 INFO L300 CfgBuilder]: Removed 27 assume(true) statements. [2022-12-14 10:30:38,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:30:38 BoogieIcfgContainer [2022-12-14 10:30:38,650 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 10:30:38,651 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 10:30:38,651 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 10:30:38,653 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 10:30:38,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 10:30:23" (1/3) ... [2022-12-14 10:30:38,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36178d32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:30:38, skipping insertion in model container [2022-12-14 10:30:38,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:30:28" (2/3) ... [2022-12-14 10:30:38,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36178d32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:30:38, skipping insertion in model container [2022-12-14 10:30:38,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:30:38" (3/3) ... [2022-12-14 10:30:38,655 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--scsi--sg.ko.cil.i [2022-12-14 10:30:38,669 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 10:30:38,669 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2022-12-14 10:30:38,755 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 10:30:38,761 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@305dd8aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 10:30:38,761 INFO L358 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2022-12-14 10:30:38,773 INFO L276 IsEmpty]: Start isEmpty. Operand has 2978 states, 1745 states have (on average 1.3638968481375358) internal successors, (2380), 1891 states have internal predecessors, (2380), 1016 states have call successors, (1016), 173 states have call predecessors, (1016), 172 states have return successors, (989), 959 states have call predecessors, (989), 989 states have call successors, (989) [2022-12-14 10:30:38,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 10:30:38,780 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:30:38,780 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:30:38,781 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2022-12-14 10:30:38,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:30:38,785 INFO L85 PathProgramCache]: Analyzing trace with hash -275274905, now seen corresponding path program 1 times [2022-12-14 10:30:38,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:30:38,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454461816] [2022-12-14 10:30:38,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:30:38,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:30:39,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:30:39,500 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 10:30:39,501 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:30:39,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454461816] [2022-12-14 10:30:39,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454461816] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:30:39,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:30:39,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:30:39,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31048789] [2022-12-14 10:30:39,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:30:39,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 10:30:39,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:30:39,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 10:30:39,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:30:39,544 INFO L87 Difference]: Start difference. First operand has 2978 states, 1745 states have (on average 1.3638968481375358) internal successors, (2380), 1891 states have internal predecessors, (2380), 1016 states have call successors, (1016), 173 states have call predecessors, (1016), 172 states have return successors, (989), 959 states have call predecessors, (989), 989 states have call successors, (989) Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 10:30:46,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:30:48,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:30:49,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:30:52,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:30:55,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:30:59,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:31:01,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:31:01,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:31:01,819 INFO L93 Difference]: Finished difference Result 8867 states and 13560 transitions. [2022-12-14 10:31:01,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 10:31:01,821 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 24 [2022-12-14 10:31:01,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:31:01,870 INFO L225 Difference]: With dead ends: 8867 [2022-12-14 10:31:01,870 INFO L226 Difference]: Without dead ends: 5836 [2022-12-14 10:31:01,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 10:31:01,903 INFO L413 NwaCegarLoop]: 7637 mSDtfsCounter, 4335 mSDsluCounter, 19066 mSDsCounter, 0 mSdLazyCounter, 3266 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4336 SdHoareTripleChecker+Valid, 26703 SdHoareTripleChecker+Invalid, 3268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3266 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.7s IncrementalHoareTripleChecker+Time [2022-12-14 10:31:01,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4336 Valid, 26703 Invalid, 3268 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3266 Invalid, 1 Unknown, 0 Unchecked, 21.7s Time] [2022-12-14 10:31:01,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5836 states. [2022-12-14 10:31:02,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5836 to 5736. [2022-12-14 10:31:02,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5736 states, 3409 states have (on average 1.3288354356116163) internal successors, (4530), 3608 states have internal predecessors, (4530), 1946 states have call successors, (1946), 339 states have call predecessors, (1946), 338 states have return successors, (1944), 1880 states have call predecessors, (1944), 1944 states have call successors, (1944) [2022-12-14 10:31:02,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5736 states to 5736 states and 8420 transitions. [2022-12-14 10:31:02,374 INFO L78 Accepts]: Start accepts. Automaton has 5736 states and 8420 transitions. Word has length 24 [2022-12-14 10:31:02,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:31:02,374 INFO L495 AbstractCegarLoop]: Abstraction has 5736 states and 8420 transitions. [2022-12-14 10:31:02,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 10:31:02,375 INFO L276 IsEmpty]: Start isEmpty. Operand 5736 states and 8420 transitions. [2022-12-14 10:31:02,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-14 10:31:02,376 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:31:02,377 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-12-14 10:31:02,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 10:31:02,377 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2022-12-14 10:31:02,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:31:02,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1664238812, now seen corresponding path program 1 times [2022-12-14 10:31:02,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:31:02,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971457315] [2022-12-14 10:31:02,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:31:02,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:31:02,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:31:02,836 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-12-14 10:31:02,836 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:31:02,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971457315] [2022-12-14 10:31:02,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971457315] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:31:02,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:31:02,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:31:02,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230042593] [2022-12-14 10:31:02,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:31:02,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 10:31:02,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:31:02,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 10:31:02,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:31:02,840 INFO L87 Difference]: Start difference. First operand 5736 states and 8420 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-14 10:31:06,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:31:09,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:31:10,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:31:12,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:31:12,164 INFO L93 Difference]: Finished difference Result 5736 states and 8420 transitions. [2022-12-14 10:31:12,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 10:31:12,165 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 39 [2022-12-14 10:31:12,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:31:12,189 INFO L225 Difference]: With dead ends: 5736 [2022-12-14 10:31:12,189 INFO L226 Difference]: Without dead ends: 5734 [2022-12-14 10:31:12,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 10:31:12,193 INFO L413 NwaCegarLoop]: 3800 mSDtfsCounter, 4268 mSDsluCounter, 7597 mSDsCounter, 0 mSdLazyCounter, 1418 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4269 SdHoareTripleChecker+Valid, 11397 SdHoareTripleChecker+Invalid, 1418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-12-14 10:31:12,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4269 Valid, 11397 Invalid, 1418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1418 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2022-12-14 10:31:12,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5734 states. [2022-12-14 10:31:12,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5734 to 5734. [2022-12-14 10:31:12,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5734 states, 3408 states have (on average 1.3283450704225352) internal successors, (4527), 3606 states have internal predecessors, (4527), 1946 states have call successors, (1946), 339 states have call predecessors, (1946), 338 states have return successors, (1944), 1880 states have call predecessors, (1944), 1944 states have call successors, (1944) [2022-12-14 10:31:12,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5734 states to 5734 states and 8417 transitions. [2022-12-14 10:31:12,436 INFO L78 Accepts]: Start accepts. Automaton has 5734 states and 8417 transitions. Word has length 39 [2022-12-14 10:31:12,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:31:12,437 INFO L495 AbstractCegarLoop]: Abstraction has 5734 states and 8417 transitions. [2022-12-14 10:31:12,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-14 10:31:12,437 INFO L276 IsEmpty]: Start isEmpty. Operand 5734 states and 8417 transitions. [2022-12-14 10:31:12,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-14 10:31:12,438 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:31:12,438 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 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] [2022-12-14 10:31:12,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 10:31:12,439 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2022-12-14 10:31:12,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:31:12,439 INFO L85 PathProgramCache]: Analyzing trace with hash -997388680, now seen corresponding path program 1 times [2022-12-14 10:31:12,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:31:12,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591280554] [2022-12-14 10:31:12,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:31:12,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:31:12,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:31:12,765 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-14 10:31:12,765 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:31:12,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591280554] [2022-12-14 10:31:12,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591280554] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:31:12,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:31:12,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:31:12,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066860201] [2022-12-14 10:31:12,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:31:12,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 10:31:12,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:31:12,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 10:31:12,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:31:12,767 INFO L87 Difference]: Start difference. First operand 5734 states and 8417 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 10:31:19,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:31:22,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:31:25,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:31:25,533 INFO L93 Difference]: Finished difference Result 11392 states and 16740 transitions. [2022-12-14 10:31:25,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 10:31:25,534 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 65 [2022-12-14 10:31:25,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:31:25,572 INFO L225 Difference]: With dead ends: 11392 [2022-12-14 10:31:25,572 INFO L226 Difference]: Without dead ends: 11390 [2022-12-14 10:31:25,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 10:31:25,577 INFO L413 NwaCegarLoop]: 5585 mSDtfsCounter, 4256 mSDsluCounter, 14920 mSDsCounter, 0 mSdLazyCounter, 2371 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4257 SdHoareTripleChecker+Valid, 20505 SdHoareTripleChecker+Invalid, 2373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2022-12-14 10:31:25,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4257 Valid, 20505 Invalid, 2373 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2371 Invalid, 0 Unknown, 0 Unchecked, 12.3s Time] [2022-12-14 10:31:25,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11390 states. [2022-12-14 10:31:26,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11390 to 11084. [2022-12-14 10:31:26,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11084 states, 6600 states have (on average 1.331060606060606) internal successors, (8785), 6953 states have internal predecessors, (8785), 3812 states have call successors, (3812), 632 states have call predecessors, (3812), 631 states have return successors, (3814), 3680 states have call predecessors, (3814), 3810 states have call successors, (3814) [2022-12-14 10:31:26,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11084 states to 11084 states and 16411 transitions. [2022-12-14 10:31:26,061 INFO L78 Accepts]: Start accepts. Automaton has 11084 states and 16411 transitions. Word has length 65 [2022-12-14 10:31:26,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:31:26,062 INFO L495 AbstractCegarLoop]: Abstraction has 11084 states and 16411 transitions. [2022-12-14 10:31:26,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 10:31:26,063 INFO L276 IsEmpty]: Start isEmpty. Operand 11084 states and 16411 transitions. [2022-12-14 10:31:26,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-12-14 10:31:26,064 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:31:26,064 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 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] [2022-12-14 10:31:26,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 10:31:26,064 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2022-12-14 10:31:26,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:31:26,065 INFO L85 PathProgramCache]: Analyzing trace with hash -789921912, now seen corresponding path program 1 times [2022-12-14 10:31:26,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:31:26,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333472812] [2022-12-14 10:31:26,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:31:26,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:31:26,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:31:26,353 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-12-14 10:31:26,353 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:31:26,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333472812] [2022-12-14 10:31:26,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333472812] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:31:26,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:31:26,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:31:26,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494692326] [2022-12-14 10:31:26,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:31:26,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:31:26,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:31:26,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:31:26,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:31:26,355 INFO L87 Difference]: Start difference. First operand 11084 states and 16411 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 10:31:30,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:31:31,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:31:32,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:31:33,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:31:33,800 INFO L93 Difference]: Finished difference Result 11084 states and 16411 transitions. [2022-12-14 10:31:33,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:31:33,800 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 73 [2022-12-14 10:31:33,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:31:33,838 INFO L225 Difference]: With dead ends: 11084 [2022-12-14 10:31:33,839 INFO L226 Difference]: Without dead ends: 11082 [2022-12-14 10:31:33,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:31:33,844 INFO L413 NwaCegarLoop]: 3800 mSDtfsCounter, 4244 mSDsluCounter, 3800 mSDsCounter, 0 mSdLazyCounter, 937 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4246 SdHoareTripleChecker+Valid, 7600 SdHoareTripleChecker+Invalid, 937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 937 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-12-14 10:31:33,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4246 Valid, 7600 Invalid, 937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 937 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2022-12-14 10:31:33,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11082 states. [2022-12-14 10:31:34,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11082 to 11082. [2022-12-14 10:31:34,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11082 states, 6599 states have (on average 1.3308076981360812) internal successors, (8782), 6951 states have internal predecessors, (8782), 3812 states have call successors, (3812), 632 states have call predecessors, (3812), 631 states have return successors, (3814), 3680 states have call predecessors, (3814), 3810 states have call successors, (3814) [2022-12-14 10:31:34,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11082 states to 11082 states and 16408 transitions. [2022-12-14 10:31:34,317 INFO L78 Accepts]: Start accepts. Automaton has 11082 states and 16408 transitions. Word has length 73 [2022-12-14 10:31:34,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:31:34,317 INFO L495 AbstractCegarLoop]: Abstraction has 11082 states and 16408 transitions. [2022-12-14 10:31:34,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 10:31:34,317 INFO L276 IsEmpty]: Start isEmpty. Operand 11082 states and 16408 transitions. [2022-12-14 10:31:34,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-14 10:31:34,319 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:31:34,320 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 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] [2022-12-14 10:31:34,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 10:31:34,320 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2022-12-14 10:31:34,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:31:34,320 INFO L85 PathProgramCache]: Analyzing trace with hash -601483383, now seen corresponding path program 1 times [2022-12-14 10:31:34,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:31:34,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038082991] [2022-12-14 10:31:34,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:31:34,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:31:34,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:31:34,628 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-12-14 10:31:34,628 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:31:34,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038082991] [2022-12-14 10:31:34,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038082991] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:31:34,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:31:34,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:31:34,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965782167] [2022-12-14 10:31:34,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:31:34,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 10:31:34,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:31:34,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 10:31:34,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:31:34,630 INFO L87 Difference]: Start difference. First operand 11082 states and 16408 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 10:31:40,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:31:43,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:31:43,605 INFO L93 Difference]: Finished difference Result 11082 states and 16408 transitions. [2022-12-14 10:31:43,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 10:31:43,606 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 75 [2022-12-14 10:31:43,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:31:43,634 INFO L225 Difference]: With dead ends: 11082 [2022-12-14 10:31:43,635 INFO L226 Difference]: Without dead ends: 11080 [2022-12-14 10:31:43,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 10:31:43,638 INFO L413 NwaCegarLoop]: 3794 mSDtfsCounter, 4247 mSDsluCounter, 7585 mSDsCounter, 0 mSdLazyCounter, 1417 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4248 SdHoareTripleChecker+Valid, 11379 SdHoareTripleChecker+Invalid, 1418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1417 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-12-14 10:31:43,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4248 Valid, 11379 Invalid, 1418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1417 Invalid, 1 Unknown, 0 Unchecked, 8.6s Time] [2022-12-14 10:31:43,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11080 states. [2022-12-14 10:31:44,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11080 to 11080. [2022-12-14 10:31:44,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11080 states, 6598 states have (on average 1.3302515913913306) internal successors, (8777), 6949 states have internal predecessors, (8777), 3812 states have call successors, (3812), 632 states have call predecessors, (3812), 631 states have return successors, (3814), 3680 states have call predecessors, (3814), 3810 states have call successors, (3814) [2022-12-14 10:31:44,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11080 states to 11080 states and 16403 transitions. [2022-12-14 10:31:44,105 INFO L78 Accepts]: Start accepts. Automaton has 11080 states and 16403 transitions. Word has length 75 [2022-12-14 10:31:44,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:31:44,105 INFO L495 AbstractCegarLoop]: Abstraction has 11080 states and 16403 transitions. [2022-12-14 10:31:44,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 10:31:44,105 INFO L276 IsEmpty]: Start isEmpty. Operand 11080 states and 16403 transitions. [2022-12-14 10:31:44,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-12-14 10:31:44,107 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:31:44,107 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 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] [2022-12-14 10:31:44,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 10:31:44,107 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2022-12-14 10:31:44,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:31:44,108 INFO L85 PathProgramCache]: Analyzing trace with hash -246805965, now seen corresponding path program 1 times [2022-12-14 10:31:44,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:31:44,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795089724] [2022-12-14 10:31:44,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:31:44,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:31:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:31:44,364 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-12-14 10:31:44,364 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:31:44,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795089724] [2022-12-14 10:31:44,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795089724] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:31:44,365 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:31:44,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:31:44,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21423804] [2022-12-14 10:31:44,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:31:44,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:31:44,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:31:44,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:31:44,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:31:44,366 INFO L87 Difference]: Start difference. First operand 11080 states and 16403 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-14 10:31:51,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:31:52,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:31:52,597 INFO L93 Difference]: Finished difference Result 21752 states and 32481 transitions. [2022-12-14 10:31:52,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 10:31:52,597 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 78 [2022-12-14 10:31:52,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:31:52,685 INFO L225 Difference]: With dead ends: 21752 [2022-12-14 10:31:52,686 INFO L226 Difference]: Without dead ends: 21750 [2022-12-14 10:31:52,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:31:52,695 INFO L413 NwaCegarLoop]: 4843 mSDtfsCounter, 4207 mSDsluCounter, 8566 mSDsCounter, 0 mSdLazyCounter, 1433 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4209 SdHoareTripleChecker+Valid, 13409 SdHoareTripleChecker+Invalid, 1436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1433 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-12-14 10:31:52,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4209 Valid, 13409 Invalid, 1436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1433 Invalid, 1 Unknown, 0 Unchecked, 7.6s Time] [2022-12-14 10:31:52,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21750 states. [2022-12-14 10:31:53,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21750 to 21459. [2022-12-14 10:31:53,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21459 states, 12801 states have (on average 1.3322396687758769) internal successors, (17054), 13450 states have internal predecessors, (17054), 7402 states have call successors, (7402), 1218 states have call predecessors, (7402), 1217 states have return successors, (7708), 7140 states have call predecessors, (7708), 7400 states have call successors, (7708) [2022-12-14 10:31:53,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21459 states to 21459 states and 32164 transitions. [2022-12-14 10:31:53,592 INFO L78 Accepts]: Start accepts. Automaton has 21459 states and 32164 transitions. Word has length 78 [2022-12-14 10:31:53,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:31:53,592 INFO L495 AbstractCegarLoop]: Abstraction has 21459 states and 32164 transitions. [2022-12-14 10:31:53,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-14 10:31:53,593 INFO L276 IsEmpty]: Start isEmpty. Operand 21459 states and 32164 transitions. [2022-12-14 10:31:53,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-12-14 10:31:53,594 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:31:53,594 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 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] [2022-12-14 10:31:53,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 10:31:53,594 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2022-12-14 10:31:53,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:31:53,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1716577634, now seen corresponding path program 1 times [2022-12-14 10:31:53,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:31:53,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552321626] [2022-12-14 10:31:53,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:31:53,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:31:53,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:31:53,853 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-12-14 10:31:53,853 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:31:53,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552321626] [2022-12-14 10:31:53,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552321626] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:31:53,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:31:53,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:31:53,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848309696] [2022-12-14 10:31:53,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:31:53,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:31:53,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:31:53,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:31:53,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:31:53,855 INFO L87 Difference]: Start difference. First operand 21459 states and 32164 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 10:31:56,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:31:59,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:32:01,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:32:01,048 INFO L93 Difference]: Finished difference Result 21459 states and 32164 transitions. [2022-12-14 10:32:01,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:32:01,049 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 83 [2022-12-14 10:32:01,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:32:01,098 INFO L225 Difference]: With dead ends: 21459 [2022-12-14 10:32:01,098 INFO L226 Difference]: Without dead ends: 21457 [2022-12-14 10:32:01,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:32:01,105 INFO L413 NwaCegarLoop]: 3796 mSDtfsCounter, 4238 mSDsluCounter, 3796 mSDsCounter, 0 mSdLazyCounter, 936 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4240 SdHoareTripleChecker+Valid, 7592 SdHoareTripleChecker+Invalid, 937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 936 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-12-14 10:32:01,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4240 Valid, 7592 Invalid, 937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 936 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2022-12-14 10:32:01,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21457 states. [2022-12-14 10:32:01,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21457 to 21457. [2022-12-14 10:32:01,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21457 states, 12800 states have (on average 1.332109375) internal successors, (17051), 13448 states have internal predecessors, (17051), 7402 states have call successors, (7402), 1218 states have call predecessors, (7402), 1217 states have return successors, (7708), 7140 states have call predecessors, (7708), 7400 states have call successors, (7708) [2022-12-14 10:32:02,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21457 states to 21457 states and 32161 transitions. [2022-12-14 10:32:02,037 INFO L78 Accepts]: Start accepts. Automaton has 21457 states and 32161 transitions. Word has length 83 [2022-12-14 10:32:02,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:32:02,037 INFO L495 AbstractCegarLoop]: Abstraction has 21457 states and 32161 transitions. [2022-12-14 10:32:02,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 10:32:02,037 INFO L276 IsEmpty]: Start isEmpty. Operand 21457 states and 32161 transitions. [2022-12-14 10:32:02,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-14 10:32:02,038 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:32:02,038 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:32:02,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 10:32:02,039 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_drivers_base_class_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2022-12-14 10:32:02,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:32:02,039 INFO L85 PathProgramCache]: Analyzing trace with hash -427785720, now seen corresponding path program 1 times [2022-12-14 10:32:02,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:32:02,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980461173] [2022-12-14 10:32:02,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:32:02,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:32:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:32:02,625 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-12-14 10:32:02,626 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:32:02,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980461173] [2022-12-14 10:32:02,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980461173] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:32:02,626 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:32:02,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 10:32:02,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602784714] [2022-12-14 10:32:02,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:32:02,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 10:32:02,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:32:02,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 10:32:02,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 10:32:02,628 INFO L87 Difference]: Start difference. First operand 21457 states and 32161 transitions. Second operand has 6 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 4 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-14 10:32:12,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:32:14,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:32:18,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:32:20,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:32:22,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:32:22,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:32:22,584 INFO L93 Difference]: Finished difference Result 32294 states and 48196 transitions. [2022-12-14 10:32:22,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 10:32:22,585 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 4 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 86 [2022-12-14 10:32:22,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:32:22,674 INFO L225 Difference]: With dead ends: 32294 [2022-12-14 10:32:22,674 INFO L226 Difference]: Without dead ends: 32006 [2022-12-14 10:32:22,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-12-14 10:32:22,685 INFO L413 NwaCegarLoop]: 5013 mSDtfsCounter, 4107 mSDsluCounter, 18759 mSDsCounter, 0 mSdLazyCounter, 2718 mSolverCounterSat, 54 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4107 SdHoareTripleChecker+Valid, 23772 SdHoareTripleChecker+Invalid, 2773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 2718 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.7s IncrementalHoareTripleChecker+Time [2022-12-14 10:32:22,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4107 Valid, 23772 Invalid, 2773 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [54 Valid, 2718 Invalid, 1 Unknown, 0 Unchecked, 18.7s Time] [2022-12-14 10:32:22,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32006 states. [2022-12-14 10:32:23,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32006 to 21209. [2022-12-14 10:32:23,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21209 states, 12658 states have (on average 1.3319639753515564) internal successors, (16860), 13301 states have internal predecessors, (16860), 7294 states have call successors, (7294), 1220 states have call predecessors, (7294), 1219 states have return successors, (7586), 7035 states have call predecessors, (7586), 7292 states have call successors, (7586) [2022-12-14 10:32:24,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21209 states to 21209 states and 31740 transitions. [2022-12-14 10:32:24,045 INFO L78 Accepts]: Start accepts. Automaton has 21209 states and 31740 transitions. Word has length 86 [2022-12-14 10:32:24,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:32:24,046 INFO L495 AbstractCegarLoop]: Abstraction has 21209 states and 31740 transitions. [2022-12-14 10:32:24,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 4 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-14 10:32:24,046 INFO L276 IsEmpty]: Start isEmpty. Operand 21209 states and 31740 transitions. [2022-12-14 10:32:24,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-12-14 10:32:24,047 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:32:24,047 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:32:24,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 10:32:24,048 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2022-12-14 10:32:24,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:32:24,048 INFO L85 PathProgramCache]: Analyzing trace with hash -936301568, now seen corresponding path program 1 times [2022-12-14 10:32:24,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:32:24,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413672173] [2022-12-14 10:32:24,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:32:24,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:32:24,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:32:24,311 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-12-14 10:32:24,311 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:32:24,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413672173] [2022-12-14 10:32:24,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413672173] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:32:24,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:32:24,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:32:24,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295256619] [2022-12-14 10:32:24,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:32:24,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:32:24,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:32:24,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:32:24,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:32:24,313 INFO L87 Difference]: Start difference. First operand 21209 states and 31740 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 10:32:29,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:32:33,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:32:36,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:32:37,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:32:38,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:32:38,570 INFO L93 Difference]: Finished difference Result 41288 states and 62640 transitions. [2022-12-14 10:32:38,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 10:32:38,571 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 88 [2022-12-14 10:32:38,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:32:38,684 INFO L225 Difference]: With dead ends: 41288 [2022-12-14 10:32:38,684 INFO L226 Difference]: Without dead ends: 41286 [2022-12-14 10:32:38,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:32:38,697 INFO L413 NwaCegarLoop]: 4799 mSDtfsCounter, 4238 mSDsluCounter, 8363 mSDsCounter, 0 mSdLazyCounter, 1401 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4240 SdHoareTripleChecker+Valid, 13162 SdHoareTripleChecker+Invalid, 1404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2022-12-14 10:32:38,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4240 Valid, 13162 Invalid, 1404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1401 Invalid, 0 Unknown, 0 Unchecked, 12.4s Time] [2022-12-14 10:32:38,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41286 states. [2022-12-14 10:32:41,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41286 to 41118. [2022-12-14 10:32:41,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41118 states, 24553 states have (on average 1.3347045167596627) internal successors, (32771), 25792 states have internal predecessors, (32771), 14155 states have call successors, (14155), 2373 states have call predecessors, (14155), 2372 states have return successors, (15555), 13624 states have call predecessors, (15555), 14153 states have call successors, (15555) [2022-12-14 10:32:41,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41118 states to 41118 states and 62481 transitions. [2022-12-14 10:32:41,242 INFO L78 Accepts]: Start accepts. Automaton has 41118 states and 62481 transitions. Word has length 88 [2022-12-14 10:32:41,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:32:41,242 INFO L495 AbstractCegarLoop]: Abstraction has 41118 states and 62481 transitions. [2022-12-14 10:32:41,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 10:32:41,243 INFO L276 IsEmpty]: Start isEmpty. Operand 41118 states and 62481 transitions. [2022-12-14 10:32:41,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-12-14 10:32:41,244 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:32:41,244 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:32:41,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 10:32:41,244 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_usb_gadget_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2022-12-14 10:32:41,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:32:41,244 INFO L85 PathProgramCache]: Analyzing trace with hash 275852565, now seen corresponding path program 1 times [2022-12-14 10:32:41,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:32:41,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958162738] [2022-12-14 10:32:41,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:32:41,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:32:41,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:32:41,462 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-12-14 10:32:41,463 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:32:41,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958162738] [2022-12-14 10:32:41,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958162738] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:32:41,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:32:41,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:32:41,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742481031] [2022-12-14 10:32:41,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:32:41,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:32:41,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:32:41,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:32:41,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:32:41,464 INFO L87 Difference]: Start difference. First operand 41118 states and 62481 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 10:32:48,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:32:48,351 INFO L93 Difference]: Finished difference Result 41150 states and 62517 transitions. [2022-12-14 10:32:48,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:32:48,352 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 91 [2022-12-14 10:32:48,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:32:48,517 INFO L225 Difference]: With dead ends: 41150 [2022-12-14 10:32:48,517 INFO L226 Difference]: Without dead ends: 41148 [2022-12-14 10:32:48,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:32:48,535 INFO L413 NwaCegarLoop]: 3795 mSDtfsCounter, 4231 mSDsluCounter, 3794 mSDsCounter, 0 mSdLazyCounter, 941 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4231 SdHoareTripleChecker+Valid, 7589 SdHoareTripleChecker+Invalid, 941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-12-14 10:32:48,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4231 Valid, 7589 Invalid, 941 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 941 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-12-14 10:32:48,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41148 states. [2022-12-14 10:32:50,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41148 to 41116. [2022-12-14 10:32:50,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41116 states, 24552 states have (on average 1.3340664711632453) internal successors, (32754), 25790 states have internal predecessors, (32754), 14155 states have call successors, (14155), 2373 states have call predecessors, (14155), 2372 states have return successors, (15555), 13624 states have call predecessors, (15555), 14153 states have call successors, (15555) [2022-12-14 10:32:50,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41116 states to 41116 states and 62464 transitions. [2022-12-14 10:32:50,949 INFO L78 Accepts]: Start accepts. Automaton has 41116 states and 62464 transitions. Word has length 91 [2022-12-14 10:32:50,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:32:50,949 INFO L495 AbstractCegarLoop]: Abstraction has 41116 states and 62464 transitions. [2022-12-14 10:32:50,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 10:32:50,950 INFO L276 IsEmpty]: Start isEmpty. Operand 41116 states and 62464 transitions. [2022-12-14 10:32:50,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-12-14 10:32:50,952 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:32:50,952 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:32:50,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 10:32:50,952 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2022-12-14 10:32:50,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:32:50,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1139200887, now seen corresponding path program 1 times [2022-12-14 10:32:50,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:32:50,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279829483] [2022-12-14 10:32:50,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:32:50,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:32:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:32:51,253 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-12-14 10:32:51,254 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:32:51,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279829483] [2022-12-14 10:32:51,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279829483] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:32:51,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:32:51,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:32:51,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963773475] [2022-12-14 10:32:51,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:32:51,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:32:51,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:32:51,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:32:51,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:32:51,255 INFO L87 Difference]: Start difference. First operand 41116 states and 62464 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 10:32:56,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:33:00,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:33:02,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:33:03,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:33:05,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:33:05,183 INFO L93 Difference]: Finished difference Result 61965 states and 94091 transitions. [2022-12-14 10:33:05,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 10:33:05,183 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 93 [2022-12-14 10:33:05,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:33:05,422 INFO L225 Difference]: With dead ends: 61965 [2022-12-14 10:33:05,422 INFO L226 Difference]: Without dead ends: 61963 [2022-12-14 10:33:05,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:33:05,445 INFO L413 NwaCegarLoop]: 5141 mSDtfsCounter, 4233 mSDsluCounter, 8885 mSDsCounter, 0 mSdLazyCounter, 1579 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4235 SdHoareTripleChecker+Valid, 14026 SdHoareTripleChecker+Invalid, 1581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2022-12-14 10:33:05,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4235 Valid, 14026 Invalid, 1581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1579 Invalid, 0 Unknown, 0 Unchecked, 11.2s Time] [2022-12-14 10:33:05,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61963 states. [2022-12-14 10:33:08,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61963 to 61641. [2022-12-14 10:33:08,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61641 states, 36808 states have (on average 1.3341664855466202) internal successors, (49108), 38645 states have internal predecessors, (49108), 21255 states have call successors, (21255), 3542 states have call predecessors, (21255), 3541 states have return successors, (23371), 20459 states have call predecessors, (23371), 21253 states have call successors, (23371) [2022-12-14 10:33:08,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61641 states to 61641 states and 93734 transitions. [2022-12-14 10:33:08,980 INFO L78 Accepts]: Start accepts. Automaton has 61641 states and 93734 transitions. Word has length 93 [2022-12-14 10:33:08,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:33:08,980 INFO L495 AbstractCegarLoop]: Abstraction has 61641 states and 93734 transitions. [2022-12-14 10:33:08,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 10:33:08,981 INFO L276 IsEmpty]: Start isEmpty. Operand 61641 states and 93734 transitions. [2022-12-14 10:33:08,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-12-14 10:33:08,982 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:33:08,983 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:33:08,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 10:33:08,983 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_fs_char_dev_unregister_chrdev_regionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2022-12-14 10:33:08,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:33:08,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1870612354, now seen corresponding path program 1 times [2022-12-14 10:33:08,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:33:08,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260689997] [2022-12-14 10:33:08,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:33:08,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:33:09,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:33:09,838 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-12-14 10:33:09,838 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:33:09,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260689997] [2022-12-14 10:33:09,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260689997] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:33:09,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:33:09,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 10:33:09,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655310161] [2022-12-14 10:33:09,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:33:09,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 10:33:09,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:33:09,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 10:33:09,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-12-14 10:33:09,840 INFO L87 Difference]: Start difference. First operand 61641 states and 93734 transitions. Second operand has 11 states, 8 states have (on average 5.375) internal successors, (43), 10 states have internal predecessors, (43), 6 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2022-12-14 10:33:25,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:33:27,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:33:29,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:33:31,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:33:33,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:33:35,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:33:38,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:33:41,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:33:43,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:33:44,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:33:44,743 INFO L93 Difference]: Finished difference Result 62010 states and 94140 transitions. [2022-12-14 10:33:44,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 10:33:44,743 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 5.375) internal successors, (43), 10 states have internal predecessors, (43), 6 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 94 [2022-12-14 10:33:44,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:33:44,880 INFO L225 Difference]: With dead ends: 62010 [2022-12-14 10:33:44,880 INFO L226 Difference]: Without dead ends: 41623 [2022-12-14 10:33:44,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2022-12-14 10:33:44,964 INFO L413 NwaCegarLoop]: 3761 mSDtfsCounter, 25 mSDsluCounter, 33598 mSDsCounter, 0 mSdLazyCounter, 5412 mSolverCounterSat, 94 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 37359 SdHoareTripleChecker+Invalid, 5507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 5412 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.6s IncrementalHoareTripleChecker+Time [2022-12-14 10:33:44,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 37359 Invalid, 5507 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [94 Valid, 5412 Invalid, 1 Unknown, 0 Unchecked, 32.6s Time] [2022-12-14 10:33:44,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41623 states. [2022-12-14 10:33:47,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41623 to 41578. [2022-12-14 10:33:47,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41578 states, 24817 states have (on average 1.3330378369665954) internal successors, (33082), 26062 states have internal predecessors, (33082), 14315 states have call successors, (14315), 2410 states have call predecessors, (14315), 2409 states have return successors, (15733), 13779 states have call predecessors, (15733), 14313 states have call successors, (15733) [2022-12-14 10:33:47,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41578 states to 41578 states and 63130 transitions. [2022-12-14 10:33:47,249 INFO L78 Accepts]: Start accepts. Automaton has 41578 states and 63130 transitions. Word has length 94 [2022-12-14 10:33:47,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:33:47,249 INFO L495 AbstractCegarLoop]: Abstraction has 41578 states and 63130 transitions. [2022-12-14 10:33:47,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 5.375) internal successors, (43), 10 states have internal predecessors, (43), 6 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2022-12-14 10:33:47,249 INFO L276 IsEmpty]: Start isEmpty. Operand 41578 states and 63130 transitions. [2022-12-14 10:33:47,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-12-14 10:33:47,250 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:33:47,251 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:33:47,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 10:33:47,251 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2022-12-14 10:33:47,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:33:47,251 INFO L85 PathProgramCache]: Analyzing trace with hash 638434912, now seen corresponding path program 1 times [2022-12-14 10:33:47,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:33:47,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959372120] [2022-12-14 10:33:47,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:33:47,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:33:47,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:33:47,476 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-12-14 10:33:47,476 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:33:47,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959372120] [2022-12-14 10:33:47,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959372120] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:33:47,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:33:47,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:33:47,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288100190] [2022-12-14 10:33:47,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:33:47,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:33:47,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:33:47,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:33:47,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:33:47,478 INFO L87 Difference]: Start difference. First operand 41578 states and 63130 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 10:33:54,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:33:57,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:33:57,279 INFO L93 Difference]: Finished difference Result 44397 states and 66800 transitions. [2022-12-14 10:33:57,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 10:33:57,279 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 98 [2022-12-14 10:33:57,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:33:57,407 INFO L225 Difference]: With dead ends: 44397 [2022-12-14 10:33:57,407 INFO L226 Difference]: Without dead ends: 44395 [2022-12-14 10:33:57,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:33:57,426 INFO L413 NwaCegarLoop]: 5252 mSDtfsCounter, 4200 mSDsluCounter, 8973 mSDsCounter, 0 mSdLazyCounter, 1633 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4204 SdHoareTripleChecker+Valid, 14225 SdHoareTripleChecker+Invalid, 1636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1633 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-12-14 10:33:57,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4204 Valid, 14225 Invalid, 1636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1633 Invalid, 1 Unknown, 0 Unchecked, 7.9s Time] [2022-12-14 10:33:57,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44395 states. [2022-12-14 10:33:59,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44395 to 44226. [2022-12-14 10:33:59,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44226 states, 26385 states have (on average 1.3285578927420882) internal successors, (35054), 27698 states have internal predecessors, (35054), 15055 states have call successors, (15055), 2750 states have call predecessors, (15055), 2749 states have return successors, (16497), 14503 states have call predecessors, (16497), 15053 states have call successors, (16497) [2022-12-14 10:33:59,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44226 states to 44226 states and 66606 transitions. [2022-12-14 10:33:59,863 INFO L78 Accepts]: Start accepts. Automaton has 44226 states and 66606 transitions. Word has length 98 [2022-12-14 10:33:59,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:33:59,864 INFO L495 AbstractCegarLoop]: Abstraction has 44226 states and 66606 transitions. [2022-12-14 10:33:59,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 10:33:59,864 INFO L276 IsEmpty]: Start isEmpty. Operand 44226 states and 66606 transitions. [2022-12-14 10:33:59,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-12-14 10:33:59,865 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:33:59,865 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:33:59,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 10:33:59,865 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_fs_char_dev_unregister_chrdev_regionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2022-12-14 10:33:59,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:33:59,865 INFO L85 PathProgramCache]: Analyzing trace with hash -911360581, now seen corresponding path program 1 times [2022-12-14 10:33:59,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:33:59,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784699197] [2022-12-14 10:33:59,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:33:59,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:33:59,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:34:01,131 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-12-14 10:34:01,131 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:34:01,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784699197] [2022-12-14 10:34:01,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784699197] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:34:01,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:34:01,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 10:34:01,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590089912] [2022-12-14 10:34:01,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:34:01,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 10:34:01,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:34:01,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 10:34:01,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-12-14 10:34:01,133 INFO L87 Difference]: Start difference. First operand 44226 states and 66606 transitions. Second operand has 13 states, 9 states have (on average 4.555555555555555) internal successors, (41), 10 states have internal predecessors, (41), 6 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (17), 7 states have call predecessors, (17), 6 states have call successors, (17) [2022-12-14 10:34:14,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:34:16,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:34:18,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:34:19,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:34:20,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:34:22,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:34:25,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:34:26,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:34:28,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:34:30,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:34:33,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:34:35,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:34:37,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:34:38,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:34:39,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:34:42,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:34:44,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:34:46,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:34:50,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:34:56,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:34:56,871 INFO L93 Difference]: Finished difference Result 111715 states and 168194 transitions. [2022-12-14 10:34:56,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-14 10:34:56,872 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 9 states have (on average 4.555555555555555) internal successors, (41), 10 states have internal predecessors, (41), 6 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (17), 7 states have call predecessors, (17), 6 states have call successors, (17) Word has length 98 [2022-12-14 10:34:56,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:34:57,169 INFO L225 Difference]: With dead ends: 111715 [2022-12-14 10:34:57,170 INFO L226 Difference]: Without dead ends: 88429 [2022-12-14 10:34:57,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=87, Invalid=513, Unknown=0, NotChecked=0, Total=600 [2022-12-14 10:34:57,249 INFO L413 NwaCegarLoop]: 4335 mSDtfsCounter, 5498 mSDsluCounter, 46847 mSDsCounter, 0 mSdLazyCounter, 10226 mSolverCounterSat, 1351 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5578 SdHoareTripleChecker+Valid, 51182 SdHoareTripleChecker+Invalid, 11580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1351 IncrementalHoareTripleChecker+Valid, 10226 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.5s IncrementalHoareTripleChecker+Time [2022-12-14 10:34:57,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5578 Valid, 51182 Invalid, 11580 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1351 Valid, 10226 Invalid, 3 Unknown, 0 Unchecked, 50.5s Time] [2022-12-14 10:34:57,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88429 states. [2022-12-14 10:35:02,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88429 to 87744. [2022-12-14 10:35:02,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87744 states, 52363 states have (on average 1.3298703282852395) internal successors, (69636), 54948 states have internal predecessors, (69636), 29957 states have call successors, (29957), 5386 states have call predecessors, (29957), 5387 states have return successors, (32845), 28859 states have call predecessors, (32845), 29955 states have call successors, (32845) [2022-12-14 10:35:03,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87744 states to 87744 states and 132438 transitions. [2022-12-14 10:35:03,132 INFO L78 Accepts]: Start accepts. Automaton has 87744 states and 132438 transitions. Word has length 98 [2022-12-14 10:35:03,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:35:03,133 INFO L495 AbstractCegarLoop]: Abstraction has 87744 states and 132438 transitions. [2022-12-14 10:35:03,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 9 states have (on average 4.555555555555555) internal successors, (41), 10 states have internal predecessors, (41), 6 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (17), 7 states have call predecessors, (17), 6 states have call successors, (17) [2022-12-14 10:35:03,133 INFO L276 IsEmpty]: Start isEmpty. Operand 87744 states and 132438 transitions. [2022-12-14 10:35:03,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-12-14 10:35:03,134 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:35:03,134 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:35:03,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 10:35:03,135 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2022-12-14 10:35:03,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:35:03,135 INFO L85 PathProgramCache]: Analyzing trace with hash -795790890, now seen corresponding path program 1 times [2022-12-14 10:35:03,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:35:03,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638335735] [2022-12-14 10:35:03,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:35:03,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:35:03,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:35:03,428 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-12-14 10:35:03,428 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:35:03,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638335735] [2022-12-14 10:35:03,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638335735] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:35:03,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:35:03,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:35:03,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029879350] [2022-12-14 10:35:03,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:35:03,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:35:03,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:35:03,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:35:03,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:35:03,429 INFO L87 Difference]: Start difference. First operand 87744 states and 132438 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 10:35:09,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:35:11,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:35:16,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:35:16,057 INFO L93 Difference]: Finished difference Result 87744 states and 132438 transitions. [2022-12-14 10:35:16,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:35:16,057 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 103 [2022-12-14 10:35:16,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:35:16,329 INFO L225 Difference]: With dead ends: 87744 [2022-12-14 10:35:16,330 INFO L226 Difference]: Without dead ends: 87742 [2022-12-14 10:35:16,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:35:16,363 INFO L413 NwaCegarLoop]: 3792 mSDtfsCounter, 4230 mSDsluCounter, 3792 mSDsCounter, 0 mSdLazyCounter, 936 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4232 SdHoareTripleChecker+Valid, 7584 SdHoareTripleChecker+Invalid, 937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 936 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-12-14 10:35:16,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4232 Valid, 7584 Invalid, 937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 936 Invalid, 1 Unknown, 0 Unchecked, 7.0s Time] [2022-12-14 10:35:16,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87742 states. [2022-12-14 10:35:22,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87742 to 87742. [2022-12-14 10:35:22,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87742 states, 52362 states have (on average 1.329819334631985) internal successors, (69632), 54946 states have internal predecessors, (69632), 29957 states have call successors, (29957), 5386 states have call predecessors, (29957), 5387 states have return successors, (32845), 28859 states have call predecessors, (32845), 29955 states have call successors, (32845) [2022-12-14 10:35:22,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87742 states to 87742 states and 132434 transitions. [2022-12-14 10:35:22,588 INFO L78 Accepts]: Start accepts. Automaton has 87742 states and 132434 transitions. Word has length 103 [2022-12-14 10:35:22,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:35:22,588 INFO L495 AbstractCegarLoop]: Abstraction has 87742 states and 132434 transitions. [2022-12-14 10:35:22,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 10:35:22,588 INFO L276 IsEmpty]: Start isEmpty. Operand 87742 states and 132434 transitions. [2022-12-14 10:35:22,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-12-14 10:35:22,590 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:35:22,590 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:35:22,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 10:35:22,590 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2022-12-14 10:35:22,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:35:22,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1520088909, now seen corresponding path program 1 times [2022-12-14 10:35:22,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:35:22,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959451877] [2022-12-14 10:35:22,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:35:22,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:35:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:35:22,875 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-12-14 10:35:22,875 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:35:22,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959451877] [2022-12-14 10:35:22,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959451877] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:35:22,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:35:22,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:35:22,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251668970] [2022-12-14 10:35:22,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:35:22,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 10:35:22,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:35:22,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 10:35:22,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:35:22,877 INFO L87 Difference]: Start difference. First operand 87742 states and 132434 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 4 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2022-12-14 10:35:34,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:35:35,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:35:37,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:35:43,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:35:43,536 INFO L93 Difference]: Finished difference Result 108014 states and 167495 transitions. [2022-12-14 10:35:43,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 10:35:43,536 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 4 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 104 [2022-12-14 10:35:43,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:35:43,916 INFO L225 Difference]: With dead ends: 108014 [2022-12-14 10:35:43,916 INFO L226 Difference]: Without dead ends: 107860 [2022-12-14 10:35:43,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 10:35:43,961 INFO L413 NwaCegarLoop]: 5457 mSDtfsCounter, 2149 mSDsluCounter, 13209 mSDsCounter, 0 mSdLazyCounter, 1980 mSolverCounterSat, 1664 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2490 SdHoareTripleChecker+Valid, 18666 SdHoareTripleChecker+Invalid, 3645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1664 IncrementalHoareTripleChecker+Valid, 1980 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2022-12-14 10:35:43,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2490 Valid, 18666 Invalid, 3645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1664 Valid, 1980 Invalid, 1 Unknown, 0 Unchecked, 13.3s Time] [2022-12-14 10:35:44,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107860 states. [2022-12-14 10:35:51,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107860 to 87724. [2022-12-14 10:35:51,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87724 states, 52353 states have (on average 1.3298569327450194) internal successors, (69622), 54936 states have internal predecessors, (69622), 29951 states have call successors, (29951), 5383 states have call predecessors, (29951), 5384 states have return successors, (32839), 28854 states have call predecessors, (32839), 29949 states have call successors, (32839) [2022-12-14 10:35:52,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87724 states to 87724 states and 132412 transitions. [2022-12-14 10:35:52,263 INFO L78 Accepts]: Start accepts. Automaton has 87724 states and 132412 transitions. Word has length 104 [2022-12-14 10:35:52,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:35:52,264 INFO L495 AbstractCegarLoop]: Abstraction has 87724 states and 132412 transitions. [2022-12-14 10:35:52,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 4 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2022-12-14 10:35:52,264 INFO L276 IsEmpty]: Start isEmpty. Operand 87724 states and 132412 transitions. [2022-12-14 10:35:52,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-12-14 10:35:52,265 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:35:52,265 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:35:52,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 10:35:52,266 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2022-12-14 10:35:52,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:35:52,266 INFO L85 PathProgramCache]: Analyzing trace with hash 478848787, now seen corresponding path program 1 times [2022-12-14 10:35:52,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:35:52,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975163333] [2022-12-14 10:35:52,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:35:52,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:35:52,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:35:52,463 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-12-14 10:35:52,463 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:35:52,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975163333] [2022-12-14 10:35:52,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975163333] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:35:52,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:35:52,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:35:52,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77698874] [2022-12-14 10:35:52,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:35:52,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:35:52,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:35:52,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:35:52,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:35:52,465 INFO L87 Difference]: Start difference. First operand 87724 states and 132412 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 10:36:00,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:36:03,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:36:12,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:36:12,603 INFO L93 Difference]: Finished difference Result 160292 states and 245452 transitions. [2022-12-14 10:36:12,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 10:36:12,604 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 108 [2022-12-14 10:36:12,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:36:13,178 INFO L225 Difference]: With dead ends: 160292 [2022-12-14 10:36:13,178 INFO L226 Difference]: Without dead ends: 160290 [2022-12-14 10:36:13,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:36:13,236 INFO L413 NwaCegarLoop]: 4881 mSDtfsCounter, 3550 mSDsluCounter, 8663 mSDsCounter, 0 mSdLazyCounter, 1526 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3552 SdHoareTripleChecker+Valid, 13544 SdHoareTripleChecker+Invalid, 1528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1526 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-12-14 10:36:13,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3552 Valid, 13544 Invalid, 1528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1526 Invalid, 1 Unknown, 0 Unchecked, 9.8s Time] [2022-12-14 10:36:13,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160290 states. [2022-12-14 10:36:27,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160290 to 158836. [2022-12-14 10:36:27,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158836 states, 94850 states have (on average 1.3334528202424882) internal successors, (126478), 99743 states have internal predecessors, (126478), 53865 states have call successors, (53865), 10084 states have call predecessors, (53865), 10085 states have return successors, (62881), 51610 states have call predecessors, (62881), 53863 states have call successors, (62881) [2022-12-14 10:36:27,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158836 states to 158836 states and 243224 transitions. [2022-12-14 10:36:27,908 INFO L78 Accepts]: Start accepts. Automaton has 158836 states and 243224 transitions. Word has length 108 [2022-12-14 10:36:27,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:36:27,909 INFO L495 AbstractCegarLoop]: Abstraction has 158836 states and 243224 transitions. [2022-12-14 10:36:27,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 10:36:27,909 INFO L276 IsEmpty]: Start isEmpty. Operand 158836 states and 243224 transitions. [2022-12-14 10:36:27,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-12-14 10:36:27,911 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:36:27,911 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:36:27,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 10:36:27,911 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_drivers_base_class_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2022-12-14 10:36:27,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:36:27,911 INFO L85 PathProgramCache]: Analyzing trace with hash -515796878, now seen corresponding path program 1 times [2022-12-14 10:36:27,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:36:27,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333585166] [2022-12-14 10:36:27,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:36:27,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:36:27,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:36:28,717 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-12-14 10:36:28,717 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:36:28,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333585166] [2022-12-14 10:36:28,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333585166] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:36:28,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:36:28,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 10:36:28,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311027400] [2022-12-14 10:36:28,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:36:28,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 10:36:28,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:36:28,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 10:36:28,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-12-14 10:36:28,718 INFO L87 Difference]: Start difference. First operand 158836 states and 243224 transitions. Second operand has 10 states, 9 states have (on average 5.0) internal successors, (45), 8 states have internal predecessors, (45), 6 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 6 states have call predecessors, (18), 5 states have call successors, (18) [2022-12-14 10:36:43,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:36:47,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:36:50,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:36:56,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:36:57,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:36:59,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:37:01,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:37:04,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:37:08,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:37:17,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:37:17,921 INFO L93 Difference]: Finished difference Result 212251 states and 326838 transitions. [2022-12-14 10:37:17,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 10:37:17,922 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.0) internal successors, (45), 8 states have internal predecessors, (45), 6 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 6 states have call predecessors, (18), 5 states have call successors, (18) Word has length 108 [2022-12-14 10:37:17,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:37:18,564 INFO L225 Difference]: With dead ends: 212251 [2022-12-14 10:37:18,564 INFO L226 Difference]: Without dead ends: 169970 [2022-12-14 10:37:18,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2022-12-14 10:37:18,731 INFO L413 NwaCegarLoop]: 4451 mSDtfsCounter, 7275 mSDsluCounter, 34829 mSDsCounter, 0 mSdLazyCounter, 7930 mSolverCounterSat, 2274 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7284 SdHoareTripleChecker+Valid, 39280 SdHoareTripleChecker+Invalid, 10207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2274 IncrementalHoareTripleChecker+Valid, 7930 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.7s IncrementalHoareTripleChecker+Time [2022-12-14 10:37:18,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7284 Valid, 39280 Invalid, 10207 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2274 Valid, 7930 Invalid, 3 Unknown, 0 Unchecked, 35.7s Time] [2022-12-14 10:37:18,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169970 states. [2022-12-14 10:37:31,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169970 to 158900. [2022-12-14 10:37:31,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158900 states, 94898 states have (on average 1.333284157727244) internal successors, (126526), 99791 states have internal predecessors, (126526), 53865 states have call successors, (53865), 10100 states have call predecessors, (53865), 10101 states have return successors, (62873), 51610 states have call predecessors, (62873), 53863 states have call successors, (62873) [2022-12-14 10:37:32,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158900 states to 158900 states and 243264 transitions. [2022-12-14 10:37:32,774 INFO L78 Accepts]: Start accepts. Automaton has 158900 states and 243264 transitions. Word has length 108 [2022-12-14 10:37:32,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:37:32,774 INFO L495 AbstractCegarLoop]: Abstraction has 158900 states and 243264 transitions. [2022-12-14 10:37:32,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.0) internal successors, (45), 8 states have internal predecessors, (45), 6 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 6 states have call predecessors, (18), 5 states have call successors, (18) [2022-12-14 10:37:32,774 INFO L276 IsEmpty]: Start isEmpty. Operand 158900 states and 243264 transitions. [2022-12-14 10:37:32,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-12-14 10:37:32,776 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:37:32,776 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:37:32,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 10:37:32,776 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2022-12-14 10:37:32,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:37:32,777 INFO L85 PathProgramCache]: Analyzing trace with hash 612343926, now seen corresponding path program 1 times [2022-12-14 10:37:32,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:37:32,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471540097] [2022-12-14 10:37:32,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:37:32,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:37:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:37:33,112 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-12-14 10:37:33,112 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:37:33,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471540097] [2022-12-14 10:37:33,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471540097] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:37:33,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:37:33,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:37:33,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282103795] [2022-12-14 10:37:33,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:37:33,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:37:33,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:37:33,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:37:33,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:37:33,114 INFO L87 Difference]: Start difference. First operand 158900 states and 243264 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 10:37:37,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:37:41,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:37:52,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:37:52,220 INFO L93 Difference]: Finished difference Result 160088 states and 244178 transitions. [2022-12-14 10:37:52,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:37:52,220 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 110 [2022-12-14 10:37:52,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:37:52,928 INFO L225 Difference]: With dead ends: 160088 [2022-12-14 10:37:52,928 INFO L226 Difference]: Without dead ends: 160086 [2022-12-14 10:37:52,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:37:52,987 INFO L413 NwaCegarLoop]: 3802 mSDtfsCounter, 4105 mSDsluCounter, 3924 mSDsCounter, 0 mSdLazyCounter, 972 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4107 SdHoareTripleChecker+Valid, 7726 SdHoareTripleChecker+Invalid, 973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 972 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-12-14 10:37:52,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4107 Valid, 7726 Invalid, 973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 972 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2022-12-14 10:37:53,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160086 states. [2022-12-14 10:38:07,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160086 to 159938. [2022-12-14 10:38:07,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159938 states, 95529 states have (on average 1.3324435511729422) internal successors, (127287), 100421 states have internal predecessors, (127287), 53853 states have call successors, (53853), 10520 states have call predecessors, (53853), 10521 states have return successors, (62861), 51598 states have call predecessors, (62861), 53851 states have call successors, (62861) [2022-12-14 10:38:07,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159938 states to 159938 states and 244001 transitions. [2022-12-14 10:38:07,935 INFO L78 Accepts]: Start accepts. Automaton has 159938 states and 244001 transitions. Word has length 110 [2022-12-14 10:38:07,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:38:07,936 INFO L495 AbstractCegarLoop]: Abstraction has 159938 states and 244001 transitions. [2022-12-14 10:38:07,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 10:38:07,936 INFO L276 IsEmpty]: Start isEmpty. Operand 159938 states and 244001 transitions. [2022-12-14 10:38:07,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-12-14 10:38:07,939 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:38:07,939 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:38:07,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-14 10:38:07,940 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_fs_char_dev_unregister_chrdev_regionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2022-12-14 10:38:07,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:38:07,940 INFO L85 PathProgramCache]: Analyzing trace with hash 485349704, now seen corresponding path program 1 times [2022-12-14 10:38:07,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:38:07,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500791165] [2022-12-14 10:38:07,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:38:07,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:38:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:38:10,639 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-12-14 10:38:10,639 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:38:10,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500791165] [2022-12-14 10:38:10,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500791165] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 10:38:10,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1221680828] [2022-12-14 10:38:10,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:38:10,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:38:10,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:38:10,641 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:38:10,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 10:38:11,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:38:11,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 3001 conjuncts, 29 conjunts are in the unsatisfiable core [2022-12-14 10:38:11,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:38:11,770 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-12-14 10:38:11,771 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 10:38:11,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1221680828] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:38:11,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 10:38:11,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [23] total 26 [2022-12-14 10:38:11,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118775863] [2022-12-14 10:38:11,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:38:11,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 10:38:11,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:38:11,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 10:38:11,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2022-12-14 10:38:11,773 INFO L87 Difference]: Start difference. First operand 159938 states and 244001 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-12-14 10:38:20,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:38:25,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:38:26,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:38:28,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:38:31,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:38:40,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:38:40,087 INFO L93 Difference]: Finished difference Result 254087 states and 389200 transitions. [2022-12-14 10:38:40,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 10:38:40,088 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 111 [2022-12-14 10:38:40,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:38:40,740 INFO L225 Difference]: With dead ends: 254087 [2022-12-14 10:38:40,740 INFO L226 Difference]: Without dead ends: 169192 [2022-12-14 10:38:41,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2022-12-14 10:38:41,016 INFO L413 NwaCegarLoop]: 4162 mSDtfsCounter, 508 mSDsluCounter, 12064 mSDsCounter, 0 mSdLazyCounter, 1889 mSolverCounterSat, 77 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 825 SdHoareTripleChecker+Valid, 16226 SdHoareTripleChecker+Invalid, 1967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 1889 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2022-12-14 10:38:41,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [825 Valid, 16226 Invalid, 1967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 1889 Invalid, 1 Unknown, 0 Unchecked, 14.5s Time] [2022-12-14 10:38:41,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169192 states. [2022-12-14 10:38:54,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169192 to 117515. [2022-12-14 10:38:54,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117515 states, 70197 states have (on average 1.3336040001709475) internal successors, (93615), 73801 states have internal predecessors, (93615), 39672 states have call successors, (39672), 7611 states have call predecessors, (39672), 7611 states have return successors, (46399), 38004 states have call predecessors, (46399), 39670 states have call successors, (46399) [2022-12-14 10:38:54,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117515 states to 117515 states and 179686 transitions. [2022-12-14 10:38:54,923 INFO L78 Accepts]: Start accepts. Automaton has 117515 states and 179686 transitions. Word has length 111 [2022-12-14 10:38:54,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:38:54,924 INFO L495 AbstractCegarLoop]: Abstraction has 117515 states and 179686 transitions. [2022-12-14 10:38:54,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-12-14 10:38:54,924 INFO L276 IsEmpty]: Start isEmpty. Operand 117515 states and 179686 transitions. [2022-12-14 10:38:54,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-12-14 10:38:54,925 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:38:54,925 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:38:54,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 10:38:55,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a84012-f57a-4171-9991-e55f68730138/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:38:55,126 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2022-12-14 10:38:55,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:38:55,127 INFO L85 PathProgramCache]: Analyzing trace with hash -239399034, now seen corresponding path program 1 times [2022-12-14 10:38:55,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:38:55,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241118672] [2022-12-14 10:38:55,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:38:55,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:38:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:38:55,346 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-12-14 10:38:55,347 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:38:55,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241118672] [2022-12-14 10:38:55,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241118672] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:38:55,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:38:55,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:38:55,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128859785] [2022-12-14 10:38:55,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:38:55,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:38:55,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:38:55,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:38:55,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:38:55,348 INFO L87 Difference]: Start difference. First operand 117515 states and 179686 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-14 10:39:06,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:39:14,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:39:15,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:39:26,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:39:26,184 INFO L93 Difference]: Finished difference Result 234125 states and 363683 transitions. [2022-12-14 10:39:26,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 10:39:26,185 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 115 [2022-12-14 10:39:26,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:39:27,155 INFO L225 Difference]: With dead ends: 234125 [2022-12-14 10:39:27,155 INFO L226 Difference]: Without dead ends: 234123 [2022-12-14 10:39:27,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:39:27,252 INFO L413 NwaCegarLoop]: 4756 mSDtfsCounter, 4223 mSDsluCounter, 8512 mSDsCounter, 0 mSdLazyCounter, 1409 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4225 SdHoareTripleChecker+Valid, 13268 SdHoareTripleChecker+Invalid, 1411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1409 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-12-14 10:39:27,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4225 Valid, 13268 Invalid, 1411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1409 Invalid, 1 Unknown, 0 Unchecked, 10.7s Time] [2022-12-14 10:39:27,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234123 states. [2022-12-14 10:39:49,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234123 to 233763. [2022-12-14 10:39:49,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233763 states, 139623 states have (on average 1.334092520573258) internal successors, (186270), 146787 states have internal predecessors, (186270), 78984 states have call successors, (78984), 15121 states have call predecessors, (78984), 15121 states have return successors, (98007), 75648 states have call predecessors, (98007), 78982 states have call successors, (98007) [2022-12-14 10:39:50,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233763 states to 233763 states and 363261 transitions. [2022-12-14 10:39:50,720 INFO L78 Accepts]: Start accepts. Automaton has 233763 states and 363261 transitions. Word has length 115 [2022-12-14 10:39:50,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:39:50,720 INFO L495 AbstractCegarLoop]: Abstraction has 233763 states and 363261 transitions. [2022-12-14 10:39:50,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-14 10:39:50,721 INFO L276 IsEmpty]: Start isEmpty. Operand 233763 states and 363261 transitions. [2022-12-14 10:39:50,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-12-14 10:39:50,722 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:39:50,722 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:39:50,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-14 10:39:50,722 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_fs_char_dev_unregister_chrdev_regionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2022-12-14 10:39:50,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:39:50,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1284435413, now seen corresponding path program 1 times [2022-12-14 10:39:50,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:39:50,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528508787] [2022-12-14 10:39:50,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:39:50,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:39:50,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:39:50,986 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-12-14 10:39:50,986 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:39:50,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528508787] [2022-12-14 10:39:50,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528508787] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:39:50,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:39:50,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:39:50,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607330396] [2022-12-14 10:39:50,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:39:50,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:39:50,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:39:50,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:39:50,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:39:50,988 INFO L87 Difference]: Start difference. First operand 233763 states and 363261 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 10:40:01,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:40:05,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:40:06,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:40:08,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:40:11,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:40:13,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:40:15,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:40:29,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:40:29,067 INFO L93 Difference]: Finished difference Result 237046 states and 367472 transitions. [2022-12-14 10:40:29,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 10:40:29,068 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 117 [2022-12-14 10:40:29,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:40:30,075 INFO L225 Difference]: With dead ends: 237046 [2022-12-14 10:40:30,075 INFO L226 Difference]: Without dead ends: 237044 [2022-12-14 10:40:30,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:40:30,166 INFO L413 NwaCegarLoop]: 7045 mSDtfsCounter, 4113 mSDsluCounter, 10718 mSDsCounter, 0 mSdLazyCounter, 2136 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4115 SdHoareTripleChecker+Valid, 17763 SdHoareTripleChecker+Invalid, 2139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2136 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2022-12-14 10:40:30,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4115 Valid, 17763 Invalid, 2139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2136 Invalid, 2 Unknown, 0 Unchecked, 18.5s Time] [2022-12-14 10:40:30,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237044 states. [2022-12-14 10:40:53,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237044 to 236935. [2022-12-14 10:40:53,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236935 states, 141479 states have (on average 1.3326500752761894) internal successors, (188542), 148703 states have internal predecessors, (188542), 79768 states have call successors, (79768), 15673 states have call predecessors, (79768), 15653 states have return successors, (99023), 76416 states have call predecessors, (99023), 79766 states have call successors, (99023) [2022-12-14 10:40:54,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236935 states to 236935 states and 367333 transitions. [2022-12-14 10:40:54,763 INFO L78 Accepts]: Start accepts. Automaton has 236935 states and 367333 transitions. Word has length 117 [2022-12-14 10:40:54,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:40:54,764 INFO L495 AbstractCegarLoop]: Abstraction has 236935 states and 367333 transitions. [2022-12-14 10:40:54,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 10:40:54,764 INFO L276 IsEmpty]: Start isEmpty. Operand 236935 states and 367333 transitions. [2022-12-14 10:40:54,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-12-14 10:40:54,765 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:40:54,765 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:40:54,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-14 10:40:54,765 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2022-12-14 10:40:54,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:40:54,766 INFO L85 PathProgramCache]: Analyzing trace with hash -938563405, now seen corresponding path program 1 times [2022-12-14 10:40:54,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:40:54,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545804877] [2022-12-14 10:40:54,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:40:54,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:40:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:40:54,959 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-12-14 10:40:54,959 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:40:54,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545804877] [2022-12-14 10:40:54,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545804877] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:40:54,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:40:54,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:40:54,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996254521] [2022-12-14 10:40:54,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:40:54,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:40:54,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:40:54,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:40:54,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:40:54,961 INFO L87 Difference]: Start difference. First operand 236935 states and 367333 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 10:41:06,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:41:08,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:41:10,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:41:23,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:41:23,680 INFO L93 Difference]: Finished difference Result 236935 states and 367333 transitions. [2022-12-14 10:41:23,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:41:23,681 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 120 [2022-12-14 10:41:23,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:41:24,663 INFO L225 Difference]: With dead ends: 236935 [2022-12-14 10:41:24,663 INFO L226 Difference]: Without dead ends: 236933 [2022-12-14 10:41:24,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:41:24,757 INFO L413 NwaCegarLoop]: 3788 mSDtfsCounter, 4223 mSDsluCounter, 3788 mSDsCounter, 0 mSdLazyCounter, 936 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4225 SdHoareTripleChecker+Valid, 7576 SdHoareTripleChecker+Invalid, 937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 936 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-12-14 10:41:24,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4225 Valid, 7576 Invalid, 937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 936 Invalid, 1 Unknown, 0 Unchecked, 8.3s Time] [2022-12-14 10:41:24,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236933 states. [2022-12-14 10:41:48,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236933 to 236933. [2022-12-14 10:41:48,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236933 states, 141478 states have (on average 1.332631221815406) internal successors, (188538), 148701 states have internal predecessors, (188538), 79768 states have call successors, (79768), 15673 states have call predecessors, (79768), 15653 states have return successors, (99023), 76416 states have call predecessors, (99023), 79766 states have call successors, (99023) [2022-12-14 10:41:50,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236933 states to 236933 states and 367329 transitions. [2022-12-14 10:41:50,292 INFO L78 Accepts]: Start accepts. Automaton has 236933 states and 367329 transitions. Word has length 120 [2022-12-14 10:41:50,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:41:50,292 INFO L495 AbstractCegarLoop]: Abstraction has 236933 states and 367329 transitions. [2022-12-14 10:41:50,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 10:41:50,293 INFO L276 IsEmpty]: Start isEmpty. Operand 236933 states and 367329 transitions. [2022-12-14 10:41:50,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-12-14 10:41:50,294 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:41:50,294 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:41:50,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-14 10:41:50,294 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_usb_gadget_unregister_chrdev_regionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2022-12-14 10:41:50,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:41:50,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1852230552, now seen corresponding path program 1 times [2022-12-14 10:41:50,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:41:50,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345125911] [2022-12-14 10:41:50,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:41:50,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:41:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:41:50,501 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-12-14 10:41:50,501 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:41:50,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345125911] [2022-12-14 10:41:50,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345125911] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:41:50,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:41:50,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:41:50,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431617245] [2022-12-14 10:41:50,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:41:50,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:41:50,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:41:50,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:41:50,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:41:50,503 INFO L87 Difference]: Start difference. First operand 236933 states and 367329 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-14 10:41:59,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:42:03,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []