./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51d673-084e-4834-9973-cf5206589c5d/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51d673-084e-4834-9973-cf5206589c5d/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_9b51d673-084e-4834-9973-cf5206589c5d/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51d673-084e-4834-9973-cf5206589c5d/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51d673-084e-4834-9973-cf5206589c5d/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_9b51d673-084e-4834-9973-cf5206589c5d/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 ac653d5d4bd645822c87d49861fb2a5e304e57a9bdc7e425845f1dc10a0731d2 --- 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 13:30:07,851 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 13:30:07,852 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 13:30:07,871 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 13:30:07,871 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 13:30:07,872 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 13:30:07,874 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 13:30:07,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 13:30:07,877 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 13:30:07,878 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 13:30:07,879 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 13:30:07,880 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 13:30:07,880 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 13:30:07,881 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 13:30:07,882 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 13:30:07,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 13:30:07,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 13:30:07,885 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 13:30:07,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 13:30:07,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 13:30:07,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 13:30:07,891 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 13:30:07,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 13:30:07,893 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 13:30:07,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 13:30:07,897 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 13:30:07,898 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 13:30:07,899 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 13:30:07,899 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 13:30:07,900 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 13:30:07,900 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 13:30:07,901 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 13:30:07,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 13:30:07,903 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 13:30:07,904 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 13:30:07,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 13:30:07,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 13:30:07,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 13:30:07,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 13:30:07,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 13:30:07,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 13:30:07,907 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51d673-084e-4834-9973-cf5206589c5d/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 13:30:07,930 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 13:30:07,930 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 13:30:07,930 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 13:30:07,930 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 13:30:07,931 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 13:30:07,931 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 13:30:07,931 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 13:30:07,932 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 13:30:07,932 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 13:30:07,932 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 13:30:07,932 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 13:30:07,932 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 13:30:07,933 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 13:30:07,933 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 13:30:07,933 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 13:30:07,933 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 13:30:07,933 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 13:30:07,933 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 13:30:07,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 13:30:07,934 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 13:30:07,935 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 13:30:07,935 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 13:30:07,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 13:30:07,935 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 13:30:07,935 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 13:30:07,935 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 13:30:07,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 13:30:07,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 13:30:07,936 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 13:30:07,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 13:30:07,936 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 13:30:07,937 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 13:30:07,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 13:30:07,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 13:30:07,937 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 13:30:07,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 13:30:07,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 13:30:07,938 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 13:30:07,938 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_9b51d673-084e-4834-9973-cf5206589c5d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51d673-084e-4834-9973-cf5206589c5d/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac653d5d4bd645822c87d49861fb2a5e304e57a9bdc7e425845f1dc10a0731d2 [2022-12-14 13:30:08,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 13:30:08,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 13:30:08,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 13:30:08,152 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 13:30:08,152 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 13:30:08,153 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51d673-084e-4834-9973-cf5206589c5d/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i [2022-12-14 13:30:10,774 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 13:30:11,183 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 13:30:11,183 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51d673-084e-4834-9973-cf5206589c5d/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i [2022-12-14 13:30:11,223 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51d673-084e-4834-9973-cf5206589c5d/bin/utaipan-gh47qXpMRh/data/ad727562f/596ef9122bb74eb5a58229bd7c89dd83/FLAGb96992d7b [2022-12-14 13:30:11,237 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51d673-084e-4834-9973-cf5206589c5d/bin/utaipan-gh47qXpMRh/data/ad727562f/596ef9122bb74eb5a58229bd7c89dd83 [2022-12-14 13:30:11,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 13:30:11,241 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 13:30:11,242 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 13:30:11,242 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 13:30:11,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 13:30:11,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:30:11" (1/1) ... [2022-12-14 13:30:11,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b0ef17e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:30:11, skipping insertion in model container [2022-12-14 13:30:11,248 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:30:11" (1/1) ... [2022-12-14 13:30:11,254 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 13:30:11,359 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 13:30:11,673 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 13:30:11,703 WARN L623 FunctionHandler]: Unknown extern function __xadd_wrong_size [2022-12-14 13:30:11,872 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 13:30:11,876 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 13:30:11,897 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 13:30:11,916 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 13:30:11,922 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 13:30:11,971 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-14 13:30:12,136 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-14 13:30:12,139 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-14 13:30:12,291 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:12,295 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:12,308 WARN L623 FunctionHandler]: Unknown extern function put_device [2022-12-14 13:30:12,308 WARN L623 FunctionHandler]: Unknown extern function usb_put_intf [2022-12-14 13:30:12,309 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-12-14 13:30:12,309 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:30:12,315 WARN L623 FunctionHandler]: Unknown extern function try_module_get [2022-12-14 13:30:12,315 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface [2022-12-14 13:30:12,316 WARN L623 FunctionHandler]: Unknown extern function tty_port_install [2022-12-14 13:30:12,317 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-12-14 13:30:12,318 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-14 13:30:12,329 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:12,330 WARN L623 FunctionHandler]: Unknown extern function tty_port_open [2022-12-14 13:30:12,338 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:12,338 WARN L623 FunctionHandler]: Unknown extern function tty_port_hangup [2022-12-14 13:30:12,342 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:12,343 WARN L623 FunctionHandler]: Unknown extern function tty_port_close [2022-12-14 13:30:12,347 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:12,349 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-12-14 13:30:12,350 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-14 13:30:12,355 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:12,362 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:12,368 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:12,374 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:12,380 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:12,386 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:12,391 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:12,393 WARN L623 FunctionHandler]: Unknown extern function tty_termios_copy_hw [2022-12-14 13:30:12,398 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:12,402 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-14 13:30:12,402 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 13:30:12,403 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 13:30:12,404 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 13:30:12,404 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 13:30:12,405 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 13:30:12,405 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 13:30:12,406 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 13:30:12,406 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 13:30:12,410 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-14 13:30:12,416 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:12,422 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:12,429 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:12,435 WARN L623 FunctionHandler]: Unknown extern function tty_port_tty_wakeup [2022-12-14 13:30:12,439 WARN L623 FunctionHandler]: Unknown extern function usb_poison_urb [2022-12-14 13:30:12,440 WARN L623 FunctionHandler]: Unknown extern function usb_poison_urb [2022-12-14 13:30:12,440 WARN L623 FunctionHandler]: Unknown extern function usb_poison_urb [2022-12-14 13:30:12,441 WARN L623 FunctionHandler]: Unknown extern function usb_poison_urb [2022-12-14 13:30:12,445 WARN L623 FunctionHandler]: Unknown extern function usb_unpoison_urb [2022-12-14 13:30:12,445 WARN L623 FunctionHandler]: Unknown extern function usb_unpoison_urb [2022-12-14 13:30:12,446 WARN L623 FunctionHandler]: Unknown extern function usb_unpoison_urb [2022-12-14 13:30:12,446 WARN L623 FunctionHandler]: Unknown extern function usb_unpoison_urb [2022-12-14 13:30:12,451 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:12,452 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-14 13:30:12,452 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-14 13:30:12,452 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-14 13:30:12,453 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:30:12,453 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-14 13:30:12,453 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:30:12,454 WARN L623 FunctionHandler]: Unknown extern function __kfifo_free [2022-12-14 13:30:12,454 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:30:12,455 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:30:12,455 WARN L623 FunctionHandler]: Unknown extern function tty_port_destroy [2022-12-14 13:30:12,455 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:30:12,460 WARN L623 FunctionHandler]: Unknown extern function usb_get_dev [2022-12-14 13:30:12,460 WARN L623 FunctionHandler]: Unknown extern function usb_get_intf [2022-12-14 13:30:12,461 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 13:30:12,465 WARN L623 FunctionHandler]: Unknown extern function usb_match_one_id [2022-12-14 13:30:12,470 WARN L623 FunctionHandler]: Unknown extern function usb_match_id [2022-12-14 13:30:12,471 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:12,473 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:12,495 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:12,496 WARN L623 FunctionHandler]: Unknown extern function try_module_get [2022-12-14 13:30:12,496 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:30:12,497 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-14 13:30:12,499 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:12,499 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-14 13:30:12,501 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:12,503 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:12,504 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:12,506 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:12,509 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:12,510 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 13:30:12,511 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-14 13:30:12,512 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:30:12,512 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-14 13:30:12,512 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 13:30:12,513 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 13:30:12,514 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 13:30:12,515 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:12,515 WARN L623 FunctionHandler]: Unknown extern function tty_port_init [2022-12-14 13:30:12,516 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 13:30:12,516 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 13:30:12,516 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 13:30:12,517 WARN L623 FunctionHandler]: Unknown extern function device_initialize [2022-12-14 13:30:12,518 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-14 13:30:12,520 WARN L623 FunctionHandler]: Unknown extern function __kfifo_alloc [2022-12-14 13:30:12,522 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-14 13:30:12,524 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-14 13:30:12,527 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:12,528 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-14 13:30:12,532 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:12,533 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:30:12,534 WARN L623 FunctionHandler]: Unknown extern function dev_set_name [2022-12-14 13:30:12,535 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:12,535 WARN L623 FunctionHandler]: Unknown extern function device_add [2022-12-14 13:30:12,535 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:30:12,536 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-14 13:30:12,536 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-14 13:30:12,540 WARN L623 FunctionHandler]: Unknown extern function tty_port_tty_get [2022-12-14 13:30:12,541 WARN L623 FunctionHandler]: Unknown extern function tty_vhangup [2022-12-14 13:30:12,541 WARN L623 FunctionHandler]: Unknown extern function tty_kref_put [2022-12-14 13:30:12,541 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 13:30:12,541 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 13:30:12,541 WARN L623 FunctionHandler]: Unknown extern function device_del [2022-12-14 13:30:12,542 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 13:30:12,555 WARN L623 FunctionHandler]: Unknown extern function bus_register [2022-12-14 13:30:12,555 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:30:12,557 WARN L623 FunctionHandler]: Unknown extern function tty_set_operations [2022-12-14 13:30:12,557 WARN L623 FunctionHandler]: Unknown extern function tty_register_driver [2022-12-14 13:30:12,557 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:30:12,557 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-14 13:30:12,558 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:30:12,558 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:30:12,558 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-14 13:30:12,559 WARN L623 FunctionHandler]: Unknown extern function tty_unregister_driver [2022-12-14 13:30:12,559 WARN L623 FunctionHandler]: Unknown extern function bus_unregister [2022-12-14 13:30:12,559 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:30:12,559 WARN L623 FunctionHandler]: Unknown extern function put_tty_driver [2022-12-14 13:30:12,562 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-14 13:30:12,562 WARN L623 FunctionHandler]: Unknown extern function tty_unregister_driver [2022-12-14 13:30:12,562 WARN L623 FunctionHandler]: Unknown extern function put_tty_driver [2022-12-14 13:30:12,562 WARN L623 FunctionHandler]: Unknown extern function bus_unregister [2022-12-14 13:30:12,566 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:30:12,567 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:30:12,568 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:30:12,569 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:30:12,570 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:30:12,571 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:30:12,572 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:30:12,573 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:30:12,574 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:30:12,577 WARN L623 FunctionHandler]: Unknown extern function usb_disabled [2022-12-14 13:30:12,578 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 13:30:12,579 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:30:12,579 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 13:30:12,579 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:30:12,582 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:30:12,583 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 13:30:12,584 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-14 13:30:12,595 WARN L623 FunctionHandler]: Unknown extern function driver_attach [2022-12-14 13:30:12,596 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-14 13:30:12,597 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-14 13:30:12,597 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:30:12,616 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:12,617 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:12,617 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 13:30:12,618 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:12,618 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:12,618 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:12,618 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:12,619 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:12,619 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 13:30:12,619 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:12,620 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:12,620 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:12,620 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:12,620 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:12,621 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:12,621 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:12,621 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:12,622 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:12,622 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:12,622 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:12,623 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:12,623 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:12,623 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:12,624 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:12,624 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 13:30:12,624 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value_probe [2022-12-14 13:30:12,625 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:12,625 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:12,626 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:12,626 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:12,627 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:30:12,628 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:12,628 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:30:12,628 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 13:30:12,629 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:12,629 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:30:12,630 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:30:12,630 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:12,630 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:12,631 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:30:12,631 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:12,632 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:12,632 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:30:12,632 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:12,633 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:12,633 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:12,633 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:30:12,634 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:12,634 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:30:12,634 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:12,635 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:30:12,635 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:12,635 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:12,636 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:30:12,636 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:12,636 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:30:12,637 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:12,637 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:12,637 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:12,637 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:30:12,638 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:12,638 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:30:12,638 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:12,638 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:30:12,639 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:12,671 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 13:30:12,689 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 13:30:12,707 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-14 13:30:12,710 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-14 13:30:12,713 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 13:30:12,740 WARN L623 FunctionHandler]: Unknown extern function tty_insert_flip_string_flags [2022-12-14 13:30:12,744 WARN L623 FunctionHandler]: Unknown extern function tty_insert_flip_string_fixed_flag [2022-12-14 13:30:12,801 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:12,804 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 13:30:12,805 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 13:30:12,806 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 13:30:12,806 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 13:30:12,807 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 13:30:12,808 WARN L623 FunctionHandler]: Unknown extern function __kfifo_out_r [2022-12-14 13:30:12,808 WARN L623 FunctionHandler]: Unknown extern function __kfifo_out [2022-12-14 13:30:12,812 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 13:30:12,813 WARN L623 FunctionHandler]: Unknown extern function find_first_bit [2022-12-14 13:30:12,814 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 13:30:12,815 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-14 13:30:12,815 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:30:12,816 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 13:30:12,817 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 13:30:12,817 WARN L623 FunctionHandler]: Unknown extern function __kfifo_in_r [2022-12-14 13:30:12,818 WARN L623 FunctionHandler]: Unknown extern function __kfifo_in [2022-12-14 13:30:12,819 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 13:30:12,819 WARN L623 FunctionHandler]: Unknown extern function __kfifo_max_r [2022-12-14 13:30:12,820 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:12,821 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 13:30:12,823 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:12,827 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:12,828 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-14 13:30:12,828 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:30:12,829 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 13:30:12,831 WARN L623 FunctionHandler]: Unknown extern function tty_flip_buffer_push [2022-12-14 13:30:12,833 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:12,834 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:12,835 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 13:30:12,836 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 13:30:12,837 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:12,838 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 13:30:12,838 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 13:30:12,843 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 13:30:12,846 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 13:30:12,847 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 13:30:12,848 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 13:30:12,848 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 13:30:12,849 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 13:30:12,851 WARN L623 FunctionHandler]: Unknown extern function handle_sysrq [2022-12-14 13:30:12,853 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:12,853 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 13:30:12,854 WARN L623 FunctionHandler]: Unknown extern function tty_hangup [2022-12-14 13:30:12,859 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:12,859 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:12,859 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:12,860 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:30:12,860 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:12,860 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:30:12,861 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 13:30:12,861 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:12,910 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 13:30:12,915 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface [2022-12-14 13:30:12,915 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-14 13:30:12,916 WARN L623 FunctionHandler]: Unknown extern function tty_register_device [2022-12-14 13:30:12,916 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 13:30:12,917 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-12-14 13:30:12,921 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface [2022-12-14 13:30:12,921 WARN L623 FunctionHandler]: Unknown extern function tty_unregister_device [2022-12-14 13:30:12,921 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-14 13:30:12,922 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 13:30:12,922 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-12-14 13:30:12,926 WARN L623 FunctionHandler]: Unknown extern function usb_store_new_id [2022-12-14 13:30:12,926 WARN L623 FunctionHandler]: Unknown extern function usb_store_new_id [2022-12-14 13:30:12,930 WARN L623 FunctionHandler]: Unknown extern function usb_show_dynids [2022-12-14 13:30:12,935 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 13:30:12,936 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:30:12,937 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 13:30:12,937 WARN L623 FunctionHandler]: Unknown extern function driver_register [2022-12-14 13:30:12,938 WARN L623 FunctionHandler]: Unknown extern function driver_unregister [2022-12-14 13:30:12,942 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 13:30:12,942 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value_probe [2022-12-14 13:30:12,942 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:12,942 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:12,943 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:30:12,943 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:12,943 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:30:12,944 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 13:30:12,944 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:12,948 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51d673-084e-4834-9973-cf5206589c5d/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i[258672,258685] [2022-12-14 13:30:13,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 13:30:13,075 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 13:30:13,145 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 13:30:13,147 WARN L623 FunctionHandler]: Unknown extern function __xadd_wrong_size [2022-12-14 13:30:13,148 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 13:30:13,148 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 13:30:13,149 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 13:30:13,150 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 13:30:13,151 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 13:30:13,153 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-14 13:30:13,157 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-14 13:30:13,158 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-14 13:30:13,171 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:13,173 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:13,178 WARN L623 FunctionHandler]: Unknown extern function put_device [2022-12-14 13:30:13,179 WARN L623 FunctionHandler]: Unknown extern function usb_put_intf [2022-12-14 13:30:13,179 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-12-14 13:30:13,179 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:30:13,180 WARN L623 FunctionHandler]: Unknown extern function try_module_get [2022-12-14 13:30:13,181 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface [2022-12-14 13:30:13,181 WARN L623 FunctionHandler]: Unknown extern function tty_port_install [2022-12-14 13:30:13,196 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-12-14 13:30:13,196 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-14 13:30:13,204 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:13,205 WARN L623 FunctionHandler]: Unknown extern function tty_port_open [2022-12-14 13:30:13,210 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:13,211 WARN L623 FunctionHandler]: Unknown extern function tty_port_hangup [2022-12-14 13:30:13,212 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:13,214 WARN L623 FunctionHandler]: Unknown extern function tty_port_close [2022-12-14 13:30:13,215 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:13,218 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-12-14 13:30:13,219 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-14 13:30:13,220 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:13,225 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:13,231 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:13,235 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:13,239 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:13,243 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:13,248 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:13,253 WARN L623 FunctionHandler]: Unknown extern function tty_termios_copy_hw [2022-12-14 13:30:13,254 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:13,257 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-14 13:30:13,258 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 13:30:13,259 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 13:30:13,259 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 13:30:13,259 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 13:30:13,260 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 13:30:13,260 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 13:30:13,260 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 13:30:13,260 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 13:30:13,261 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-14 13:30:13,262 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:13,266 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:13,270 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:13,274 WARN L623 FunctionHandler]: Unknown extern function tty_port_tty_wakeup [2022-12-14 13:30:13,274 WARN L623 FunctionHandler]: Unknown extern function usb_poison_urb [2022-12-14 13:30:13,274 WARN L623 FunctionHandler]: Unknown extern function usb_poison_urb [2022-12-14 13:30:13,275 WARN L623 FunctionHandler]: Unknown extern function usb_poison_urb [2022-12-14 13:30:13,275 WARN L623 FunctionHandler]: Unknown extern function usb_poison_urb [2022-12-14 13:30:13,275 WARN L623 FunctionHandler]: Unknown extern function usb_unpoison_urb [2022-12-14 13:30:13,276 WARN L623 FunctionHandler]: Unknown extern function usb_unpoison_urb [2022-12-14 13:30:13,276 WARN L623 FunctionHandler]: Unknown extern function usb_unpoison_urb [2022-12-14 13:30:13,276 WARN L623 FunctionHandler]: Unknown extern function usb_unpoison_urb [2022-12-14 13:30:13,277 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:13,277 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-14 13:30:13,278 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-14 13:30:13,278 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-14 13:30:13,278 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:30:13,278 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-14 13:30:13,278 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:30:13,279 WARN L623 FunctionHandler]: Unknown extern function __kfifo_free [2022-12-14 13:30:13,279 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:30:13,279 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:30:13,279 WARN L623 FunctionHandler]: Unknown extern function tty_port_destroy [2022-12-14 13:30:13,280 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:30:13,280 WARN L623 FunctionHandler]: Unknown extern function usb_get_dev [2022-12-14 13:30:13,283 WARN L623 FunctionHandler]: Unknown extern function usb_get_intf [2022-12-14 13:30:13,283 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 13:30:13,284 WARN L623 FunctionHandler]: Unknown extern function usb_match_one_id [2022-12-14 13:30:13,286 WARN L623 FunctionHandler]: Unknown extern function usb_match_id [2022-12-14 13:30:13,286 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:13,287 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:13,301 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:13,302 WARN L623 FunctionHandler]: Unknown extern function try_module_get [2022-12-14 13:30:13,302 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:30:13,303 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-14 13:30:13,304 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:13,304 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-14 13:30:13,305 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:13,306 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:13,308 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:13,308 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:13,311 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:13,312 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 13:30:13,312 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-14 13:30:13,312 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:30:13,313 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-14 13:30:13,313 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 13:30:13,313 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 13:30:13,314 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 13:30:13,315 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:13,316 WARN L623 FunctionHandler]: Unknown extern function tty_port_init [2022-12-14 13:30:13,317 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 13:30:13,318 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 13:30:13,318 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 13:30:13,320 WARN L623 FunctionHandler]: Unknown extern function device_initialize [2022-12-14 13:30:13,321 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-14 13:30:13,335 WARN L623 FunctionHandler]: Unknown extern function __kfifo_alloc [2022-12-14 13:30:13,336 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-14 13:30:13,340 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-14 13:30:13,344 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:13,345 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-14 13:30:13,349 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:13,350 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:30:13,351 WARN L623 FunctionHandler]: Unknown extern function dev_set_name [2022-12-14 13:30:13,352 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:13,352 WARN L623 FunctionHandler]: Unknown extern function device_add [2022-12-14 13:30:13,352 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:30:13,353 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-14 13:30:13,353 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-14 13:30:13,356 WARN L623 FunctionHandler]: Unknown extern function tty_port_tty_get [2022-12-14 13:30:13,356 WARN L623 FunctionHandler]: Unknown extern function tty_vhangup [2022-12-14 13:30:13,356 WARN L623 FunctionHandler]: Unknown extern function tty_kref_put [2022-12-14 13:30:13,357 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 13:30:13,357 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 13:30:13,357 WARN L623 FunctionHandler]: Unknown extern function device_del [2022-12-14 13:30:13,360 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 13:30:13,371 WARN L623 FunctionHandler]: Unknown extern function bus_register [2022-12-14 13:30:13,371 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:30:13,373 WARN L623 FunctionHandler]: Unknown extern function tty_set_operations [2022-12-14 13:30:13,373 WARN L623 FunctionHandler]: Unknown extern function tty_register_driver [2022-12-14 13:30:13,373 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:30:13,374 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-14 13:30:13,374 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:30:13,374 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:30:13,375 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-14 13:30:13,375 WARN L623 FunctionHandler]: Unknown extern function tty_unregister_driver [2022-12-14 13:30:13,375 WARN L623 FunctionHandler]: Unknown extern function bus_unregister [2022-12-14 13:30:13,375 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:30:13,375 WARN L623 FunctionHandler]: Unknown extern function put_tty_driver [2022-12-14 13:30:13,376 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-14 13:30:13,376 WARN L623 FunctionHandler]: Unknown extern function tty_unregister_driver [2022-12-14 13:30:13,376 WARN L623 FunctionHandler]: Unknown extern function put_tty_driver [2022-12-14 13:30:13,376 WARN L623 FunctionHandler]: Unknown extern function bus_unregister [2022-12-14 13:30:13,377 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:30:13,378 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:30:13,379 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:30:13,380 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:30:13,381 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:30:13,382 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:30:13,383 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:30:13,383 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:30:13,384 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 13:30:13,385 WARN L623 FunctionHandler]: Unknown extern function usb_disabled [2022-12-14 13:30:13,386 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 13:30:13,386 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:30:13,387 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 13:30:13,387 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:30:13,387 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:30:13,387 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 13:30:13,388 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-14 13:30:13,389 WARN L623 FunctionHandler]: Unknown extern function driver_attach [2022-12-14 13:30:13,390 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-14 13:30:13,390 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-14 13:30:13,390 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:30:13,391 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:13,391 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:13,392 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 13:30:13,392 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:13,392 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:13,392 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:13,392 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:13,393 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:13,393 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 13:30:13,393 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:13,393 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:13,394 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:13,394 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:13,394 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:13,394 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:13,394 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:13,395 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:13,395 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:13,395 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:13,395 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:13,395 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:13,395 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:13,396 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:13,396 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:13,396 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 13:30:13,396 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value_probe [2022-12-14 13:30:13,397 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:13,397 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:13,397 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:13,398 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:13,398 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:30:13,398 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:13,398 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:30:13,399 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 13:30:13,399 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:13,399 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:30:13,399 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:30:13,400 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:13,400 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:13,400 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:30:13,400 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:13,400 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:13,401 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:30:13,401 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:13,401 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:13,401 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:13,401 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:30:13,402 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:13,402 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:30:13,402 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:13,402 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:30:13,402 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:13,403 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:13,403 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:30:13,403 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:13,403 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:30:13,403 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:13,404 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:13,404 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:13,404 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:30:13,404 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:13,404 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:30:13,405 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:13,405 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:30:13,405 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:13,407 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 13:30:13,407 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 13:30:13,408 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-14 13:30:13,408 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-14 13:30:13,408 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 13:30:13,409 WARN L623 FunctionHandler]: Unknown extern function tty_insert_flip_string_flags [2022-12-14 13:30:13,410 WARN L623 FunctionHandler]: Unknown extern function tty_insert_flip_string_fixed_flag [2022-12-14 13:30:13,412 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:13,413 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 13:30:13,414 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 13:30:13,414 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 13:30:13,415 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 13:30:13,416 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 13:30:13,416 WARN L623 FunctionHandler]: Unknown extern function __kfifo_out_r [2022-12-14 13:30:13,416 WARN L623 FunctionHandler]: Unknown extern function __kfifo_out [2022-12-14 13:30:13,417 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 13:30:13,418 WARN L623 FunctionHandler]: Unknown extern function find_first_bit [2022-12-14 13:30:13,420 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 13:30:13,420 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-14 13:30:13,420 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:30:13,421 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 13:30:13,422 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 13:30:13,422 WARN L623 FunctionHandler]: Unknown extern function __kfifo_in_r [2022-12-14 13:30:13,422 WARN L623 FunctionHandler]: Unknown extern function __kfifo_in [2022-12-14 13:30:13,423 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 13:30:13,424 WARN L623 FunctionHandler]: Unknown extern function __kfifo_max_r [2022-12-14 13:30:13,425 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:13,426 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 13:30:13,427 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:13,428 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:13,428 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-14 13:30:13,428 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:30:13,429 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 13:30:13,431 WARN L623 FunctionHandler]: Unknown extern function tty_flip_buffer_push [2022-12-14 13:30:13,432 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:13,433 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:13,435 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 13:30:13,436 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 13:30:13,437 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:13,438 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 13:30:13,439 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 13:30:13,440 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 13:30:13,442 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 13:30:13,444 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 13:30:13,444 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 13:30:13,444 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 13:30:13,445 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 13:30:13,446 WARN L623 FunctionHandler]: Unknown extern function handle_sysrq [2022-12-14 13:30:13,447 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:30:13,448 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 13:30:13,448 WARN L623 FunctionHandler]: Unknown extern function tty_hangup [2022-12-14 13:30:13,449 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:13,449 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:13,449 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:13,450 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:30:13,450 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:13,450 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:30:13,450 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 13:30:13,451 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:13,452 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 13:30:13,453 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface [2022-12-14 13:30:13,455 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-14 13:30:13,456 WARN L623 FunctionHandler]: Unknown extern function tty_register_device [2022-12-14 13:30:13,456 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 13:30:13,457 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-12-14 13:30:13,458 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface [2022-12-14 13:30:13,459 WARN L623 FunctionHandler]: Unknown extern function tty_unregister_device [2022-12-14 13:30:13,459 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-14 13:30:13,460 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 13:30:13,461 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-12-14 13:30:13,462 WARN L623 FunctionHandler]: Unknown extern function usb_store_new_id [2022-12-14 13:30:13,462 WARN L623 FunctionHandler]: Unknown extern function usb_store_new_id [2022-12-14 13:30:13,463 WARN L623 FunctionHandler]: Unknown extern function usb_show_dynids [2022-12-14 13:30:13,464 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 13:30:13,464 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:30:13,464 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 13:30:13,465 WARN L623 FunctionHandler]: Unknown extern function driver_register [2022-12-14 13:30:13,465 WARN L623 FunctionHandler]: Unknown extern function driver_unregister [2022-12-14 13:30:13,465 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 13:30:13,465 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value_probe [2022-12-14 13:30:13,466 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:13,466 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 13:30:13,466 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:30:13,466 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:13,466 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 13:30:13,467 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 13:30:13,467 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 13:30:13,467 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51d673-084e-4834-9973-cf5206589c5d/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i[258672,258685] [2022-12-14 13:30:13,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 13:30:13,574 INFO L208 MainTranslator]: Completed translation [2022-12-14 13:30:13,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:30:13 WrapperNode [2022-12-14 13:30:13,575 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 13:30:13,575 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 13:30:13,575 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 13:30:13,576 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 13:30:13,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:30:13" (1/1) ... [2022-12-14 13:30:13,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:30:13" (1/1) ... [2022-12-14 13:30:13,782 INFO L138 Inliner]: procedures = 373, calls = 2979, calls flagged for inlining = 172, calls inlined = 164, statements flattened = 5902 [2022-12-14 13:30:13,783 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 13:30:13,783 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 13:30:13,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 13:30:13,784 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 13:30:13,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:30:13" (1/1) ... [2022-12-14 13:30:13,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:30:13" (1/1) ... [2022-12-14 13:30:13,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:30:13" (1/1) ... [2022-12-14 13:30:13,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:30:13" (1/1) ... [2022-12-14 13:30:13,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:30:13" (1/1) ... [2022-12-14 13:30:13,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:30:13" (1/1) ... [2022-12-14 13:30:13,969 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:30:13" (1/1) ... [2022-12-14 13:30:13,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:30:13" (1/1) ... [2022-12-14 13:30:14,010 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 13:30:14,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 13:30:14,011 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 13:30:14,011 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 13:30:14,012 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:30:13" (1/1) ... [2022-12-14 13:30:14,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 13:30:14,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51d673-084e-4834-9973-cf5206589c5d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:30:14,039 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51d673-084e-4834-9973-cf5206589c5d/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 13:30:14,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51d673-084e-4834-9973-cf5206589c5d/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 13:30:14,073 INFO L130 BoogieDeclarations]: Found specification of procedure serial_break [2022-12-14 13:30:14,073 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_break [2022-12-14 13:30:14,073 INFO L130 BoogieDeclarations]: Found specification of procedure serial_proc_open [2022-12-14 13:30:14,073 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_proc_open [2022-12-14 13:30:14,074 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_throttle [2022-12-14 13:30:14,074 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_throttle [2022-12-14 13:30:14,074 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_start [2022-12-14 13:30:14,074 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_start [2022-12-14 13:30:14,074 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-12-14 13:30:14,074 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-12-14 13:30:14,074 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-12-14 13:30:14,074 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-12-14 13:30:14,074 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-12-14 13:30:14,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-12-14 13:30:14,074 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-12-14 13:30:14,074 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-12-14 13:30:14,074 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2022-12-14 13:30:14,074 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2022-12-14 13:30:14,075 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2022-12-14 13:30:14,075 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2022-12-14 13:30:14,075 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_dtr_rts [2022-12-14 13:30:14,075 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_dtr_rts [2022-12-14 13:30:14,075 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_remove [2022-12-14 13:30:14,075 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_remove [2022-12-14 13:30:14,075 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write [2022-12-14 13:30:14,075 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write [2022-12-14 13:30:14,075 INFO L130 BoogieDeclarations]: Found specification of procedure serial_chars_in_buffer [2022-12-14 13:30:14,075 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_chars_in_buffer [2022-12-14 13:30:14,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 13:30:14,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 13:30:14,075 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-12-14 13:30:14,075 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-12-14 13:30:14,075 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_activate [2022-12-14 13:30:14,076 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_activate [2022-12-14 13:30:14,076 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit_unlock [2022-12-14 13:30:14,076 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit_unlock [2022-12-14 13:30:14,076 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-12-14 13:30:14,076 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-12-14 13:30:14,076 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-14 13:30:14,076 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-14 13:30:14,076 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-12-14 13:30:14,076 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-12-14 13:30:14,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-14 13:30:14,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-14 13:30:14,076 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_suspend [2022-12-14 13:30:14,076 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_suspend [2022-12-14 13:30:14,076 INFO L130 BoogieDeclarations]: Found specification of procedure usb_store_new_id [2022-12-14 13:30:14,076 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_store_new_id [2022-12-14 13:30:14,077 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-12-14 13:30:14,077 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-12-14 13:30:14,077 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2022-12-14 13:30:14,077 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2022-12-14 13:30:14,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-12-14 13:30:14,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-12-14 13:30:14,077 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-12-14 13:30:14,077 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-12-14 13:30:14,077 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_get_by_index [2022-12-14 13:30:14,077 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_get_by_index [2022-12-14 13:30:14,077 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_poison_urbs [2022-12-14 13:30:14,077 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_poison_urbs [2022-12-14 13:30:14,077 INFO L130 BoogieDeclarations]: Found specification of procedure serial_hangup [2022-12-14 13:30:14,077 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_hangup [2022-12-14 13:30:14,078 INFO L130 BoogieDeclarations]: Found specification of procedure serial_ioctl [2022-12-14 13:30:14,078 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_ioctl [2022-12-14 13:30:14,078 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write_room [2022-12-14 13:30:14,078 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write_room [2022-12-14 13:30:14,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_disc_mutex_of_usb_serial [2022-12-14 13:30:14,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_disc_mutex_of_usb_serial [2022-12-14 13:30:14,078 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-12-14 13:30:14,078 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-12-14 13:30:14,078 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2022-12-14 13:30:14,078 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2022-12-14 13:30:14,078 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-12-14 13:30:14,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-12-14 13:30:14,078 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-14 13:30:14,078 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-14 13:30:14,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 13:30:14,079 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 13:30:14,079 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 13:30:14,079 INFO L130 BoogieDeclarations]: Found specification of procedure serial_unthrottle [2022-12-14 13:30:14,079 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_unthrottle [2022-12-14 13:30:14,079 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2022-12-14 13:30:14,079 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unpoison_urb [2022-12-14 13:30:14,079 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urbs [2022-12-14 13:30:14,079 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urbs [2022-12-14 13:30:14,079 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_probe [2022-12-14 13:30:14,079 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_probe [2022-12-14 13:30:14,079 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2022-12-14 13:30:14,079 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2022-12-14 13:30:14,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2022-12-14 13:30:14,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2022-12-14 13:30:14,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 13:30:14,080 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-12-14 13:30:14,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-12-14 13:30:14,080 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-12-14 13:30:14,080 INFO L130 BoogieDeclarations]: Found specification of procedure serial_get_icount [2022-12-14 13:30:14,080 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_get_icount [2022-12-14 13:30:14,080 INFO L130 BoogieDeclarations]: Found specification of procedure serial_throttle [2022-12-14 13:30:14,080 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_throttle [2022-12-14 13:30:14,080 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-14 13:30:14,081 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-14 13:30:14,081 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urb [2022-12-14 13:30:14,081 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urb [2022-12-14 13:30:14,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 13:30:14,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 13:30:14,081 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2022-12-14 13:30:14,081 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2022-12-14 13:30:14,081 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-12-14 13:30:14,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-12-14 13:30:14,081 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-12-14 13:30:14,081 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-12-14 13:30:14,081 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2022-12-14 13:30:14,081 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2022-12-14 13:30:14,081 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2022-12-14 13:30:14,081 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2022-12-14 13:30:14,082 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-14 13:30:14,082 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-14 13:30:14,082 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_resume [2022-12-14 13:30:14,082 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_resume [2022-12-14 13:30:14,082 INFO L130 BoogieDeclarations]: Found specification of procedure serial_cleanup [2022-12-14 13:30:14,082 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_cleanup [2022-12-14 13:30:14,082 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-14 13:30:14,082 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-14 13:30:14,082 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-12-14 13:30:14,082 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-12-14 13:30:14,082 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_carrier_raised [2022-12-14 13:30:14,082 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_carrier_raised [2022-12-14 13:30:14,082 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2022-12-14 13:30:14,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2022-12-14 13:30:14,082 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-12-14 13:30:14,083 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-12-14 13:30:14,083 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmget [2022-12-14 13:30:14,083 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmget [2022-12-14 13:30:14,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-12-14 13:30:14,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-12-14 13:30:14,083 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-12-14 13:30:14,083 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-12-14 13:30:14,083 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2022-12-14 13:30:14,083 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2022-12-14 13:30:14,083 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-14 13:30:14,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-14 13:30:14,083 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2022-12-14 13:30:14,083 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_unregister [2022-12-14 13:30:14,083 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_reset_resume [2022-12-14 13:30:14,083 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_reset_resume [2022-12-14 13:30:14,084 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_read_bulk_callback [2022-12-14 13:30:14,084 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_read_bulk_callback [2022-12-14 13:30:14,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-12-14 13:30:14,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-12-14 13:30:14,084 INFO L130 BoogieDeclarations]: Found specification of procedure usb_poison_urb [2022-12-14 13:30:14,084 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_poison_urb [2022-12-14 13:30:14,084 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-12-14 13:30:14,084 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-12-14 13:30:14,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 13:30:14,084 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2022-12-14 13:30:14,084 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2022-12-14 13:30:14,084 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-12-14 13:30:14,084 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-12-14 13:30:14,084 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-12-14 13:30:14,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-12-14 13:30:14,084 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_match [2022-12-14 13:30:14,085 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_match [2022-12-14 13:30:14,085 INFO L130 BoogieDeclarations]: Found specification of procedure serial_open [2022-12-14 13:30:14,085 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_open [2022-12-14 13:30:14,085 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-12-14 13:30:14,085 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-12-14 13:30:14,085 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-12-14 13:30:14,085 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-12-14 13:30:14,085 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_shutdown [2022-12-14 13:30:14,085 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_shutdown [2022-12-14 13:30:14,085 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-12-14 13:30:14,085 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-12-14 13:30:14,085 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 13:30:14,085 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 13:30:14,085 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2022-12-14 13:30:14,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2022-12-14 13:30:14,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 13:30:14,086 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_resume [2022-12-14 13:30:14,086 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_resume [2022-12-14 13:30:14,086 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-12-14 13:30:14,086 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-12-14 13:30:14,086 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-12-14 13:30:14,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 13:30:14,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 13:30:14,086 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2022-12-14 13:30:14,086 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2022-12-14 13:30:14,086 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_unthrottle [2022-12-14 13:30:14,086 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_unthrottle [2022-12-14 13:30:14,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_disc_mutex_of_usb_serial [2022-12-14 13:30:14,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_disc_mutex_of_usb_serial [2022-12-14 13:30:14,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 13:30:14,086 INFO L130 BoogieDeclarations]: Found specification of procedure serial_install [2022-12-14 13:30:14,087 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_install [2022-12-14 13:30:14,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 13:30:14,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 13:30:14,087 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 13:30:14,087 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 13:30:14,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 13:30:14,087 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-14 13:30:14,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-14 13:30:14,087 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmset [2022-12-14 13:30:14,087 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmset [2022-12-14 13:30:14,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_table_lock [2022-12-14 13:30:14,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_table_lock [2022-12-14 13:30:14,087 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-12-14 13:30:14,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-12-14 13:30:14,087 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2022-12-14 13:30:14,088 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2022-12-14 13:30:14,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_table_lock [2022-12-14 13:30:14,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_table_lock [2022-12-14 13:30:14,088 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-12-14 13:30:14,088 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-12-14 13:30:14,088 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_put [2022-12-14 13:30:14,088 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_put [2022-12-14 13:30:14,088 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_unpoison_port_urbs [2022-12-14 13:30:14,088 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_unpoison_port_urbs [2022-12-14 13:30:14,088 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-14 13:30:14,088 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-14 13:30:14,088 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write [2022-12-14 13:30:14,088 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write [2022-12-14 13:30:14,088 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-12-14 13:30:14,088 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-12-14 13:30:14,089 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_serial [2022-12-14 13:30:14,089 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_serial [2022-12-14 13:30:14,089 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 13:30:14,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 13:30:14,089 INFO L130 BoogieDeclarations]: Found specification of procedure get_iface_id [2022-12-14 13:30:14,089 INFO L138 BoogieDeclarations]: Found implementation of procedure get_iface_id [2022-12-14 13:30:14,089 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-12-14 13:30:14,089 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-12-14 13:30:14,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 13:30:14,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-14 13:30:14,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-14 13:30:14,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 13:30:14,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 13:30:14,089 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2022-12-14 13:30:14,090 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2022-12-14 13:30:14,090 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2022-12-14 13:30:14,090 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2022-12-14 13:30:14,643 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 13:30:14,645 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 13:30:21,989 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 13:30:22,706 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 13:30:22,707 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 13:30:22,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:30:22 BoogieIcfgContainer [2022-12-14 13:30:22,712 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 13:30:22,714 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 13:30:22,714 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 13:30:22,717 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 13:30:22,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 01:30:11" (1/3) ... [2022-12-14 13:30:22,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d7e486b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 01:30:22, skipping insertion in model container [2022-12-14 13:30:22,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:30:13" (2/3) ... [2022-12-14 13:30:22,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d7e486b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 01:30:22, skipping insertion in model container [2022-12-14 13:30:22,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:30:22" (3/3) ... [2022-12-14 13:30:22,719 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i [2022-12-14 13:30:22,739 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 13:30:22,739 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 13:30:22,811 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 13:30:22,817 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;@cf0baf8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 13:30:22,818 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 13:30:22,827 INFO L276 IsEmpty]: Start isEmpty. Operand has 1417 states, 851 states have (on average 1.3243243243243243) internal successors, (1127), 885 states have internal predecessors, (1127), 452 states have call successors, (452), 112 states have call predecessors, (452), 112 states have return successors, (452), 438 states have call predecessors, (452), 452 states have call successors, (452) [2022-12-14 13:30:22,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 13:30:22,834 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:30:22,835 INFO L195 NwaCegarLoop]: trace histogram [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 13:30:22,835 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:30:22,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:30:22,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1466148016, now seen corresponding path program 1 times [2022-12-14 13:30:22,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:30:22,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152895042] [2022-12-14 13:30:22,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:30:22,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:30:23,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:30:23,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:30:23,345 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:30:23,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152895042] [2022-12-14 13:30:23,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152895042] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:30:23,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:30:23,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:30:23,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203620895] [2022-12-14 13:30:23,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:30:23,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:30:23,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:30:23,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:30:23,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:30:23,387 INFO L87 Difference]: Start difference. First operand has 1417 states, 851 states have (on average 1.3243243243243243) internal successors, (1127), 885 states have internal predecessors, (1127), 452 states have call successors, (452), 112 states have call predecessors, (452), 112 states have return successors, (452), 438 states have call predecessors, (452), 452 states have call successors, (452) Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 13:30:26,338 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 13:30:28,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:30:28,309 INFO L93 Difference]: Finished difference Result 4015 states and 6027 transitions. [2022-12-14 13:30:28,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:30:28,311 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 23 [2022-12-14 13:30:28,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:30:28,347 INFO L225 Difference]: With dead ends: 4015 [2022-12-14 13:30:28,347 INFO L226 Difference]: Without dead ends: 2622 [2022-12-14 13:30:28,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:30:28,366 INFO L413 NwaCegarLoop]: 2355 mSDtfsCounter, 1876 mSDsluCounter, 1676 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1876 SdHoareTripleChecker+Valid, 4031 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-12-14 13:30:28,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1876 Valid, 4031 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 540 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2022-12-14 13:30:28,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2622 states. [2022-12-14 13:30:28,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2622 to 2617. [2022-12-14 13:30:28,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2617 states, 1575 states have (on average 1.3212698412698414) internal successors, (2081), 1636 states have internal predecessors, (2081), 829 states have call successors, (829), 220 states have call predecessors, (829), 212 states have return successors, (892), 777 states have call predecessors, (892), 813 states have call successors, (892) [2022-12-14 13:30:28,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2617 states to 2617 states and 3802 transitions. [2022-12-14 13:30:28,578 INFO L78 Accepts]: Start accepts. Automaton has 2617 states and 3802 transitions. Word has length 23 [2022-12-14 13:30:28,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:30:28,579 INFO L495 AbstractCegarLoop]: Abstraction has 2617 states and 3802 transitions. [2022-12-14 13:30:28,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 13:30:28,579 INFO L276 IsEmpty]: Start isEmpty. Operand 2617 states and 3802 transitions. [2022-12-14 13:30:28,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 13:30:28,580 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:30:28,580 INFO L195 NwaCegarLoop]: trace histogram [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 13:30:28,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 13:30:28,581 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:30:28,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:30:28,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1795933469, now seen corresponding path program 1 times [2022-12-14 13:30:28,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:30:28,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138417691] [2022-12-14 13:30:28,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:30:28,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:30:28,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:30:28,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:30:28,768 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:30:28,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138417691] [2022-12-14 13:30:28,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138417691] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:30:28,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:30:28,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:30:28,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368750230] [2022-12-14 13:30:28,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:30:28,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:30:28,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:30:28,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:30:28,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:30:28,771 INFO L87 Difference]: Start difference. First operand 2617 states and 3802 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 13:30:31,632 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 13:30:33,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:30:33,305 INFO L93 Difference]: Finished difference Result 5122 states and 7432 transitions. [2022-12-14 13:30:33,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:30:33,306 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 24 [2022-12-14 13:30:33,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:30:33,329 INFO L225 Difference]: With dead ends: 5122 [2022-12-14 13:30:33,330 INFO L226 Difference]: Without dead ends: 5119 [2022-12-14 13:30:33,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:30:33,334 INFO L413 NwaCegarLoop]: 2233 mSDtfsCounter, 1865 mSDsluCounter, 1747 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1865 SdHoareTripleChecker+Valid, 3980 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-12-14 13:30:33,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1865 Valid, 3980 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 527 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2022-12-14 13:30:33,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5119 states. [2022-12-14 13:30:33,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5119 to 5096. [2022-12-14 13:30:33,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5096 states, 3062 states have (on average 1.3210320052253428) internal successors, (4045), 3175 states have internal predecessors, (4045), 1611 states have call successors, (1611), 436 states have call predecessors, (1611), 422 states have return successors, (1751), 1516 states have call predecessors, (1751), 1593 states have call successors, (1751) [2022-12-14 13:30:33,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5096 states to 5096 states and 7407 transitions. [2022-12-14 13:30:33,514 INFO L78 Accepts]: Start accepts. Automaton has 5096 states and 7407 transitions. Word has length 24 [2022-12-14 13:30:33,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:30:33,514 INFO L495 AbstractCegarLoop]: Abstraction has 5096 states and 7407 transitions. [2022-12-14 13:30:33,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 13:30:33,515 INFO L276 IsEmpty]: Start isEmpty. Operand 5096 states and 7407 transitions. [2022-12-14 13:30:33,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 13:30:33,515 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:30:33,515 INFO L195 NwaCegarLoop]: trace histogram [1, 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 13:30:33,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 13:30:33,515 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:30:33,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:30:33,516 INFO L85 PathProgramCache]: Analyzing trace with hash 158760467, now seen corresponding path program 1 times [2022-12-14 13:30:33,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:30:33,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789406796] [2022-12-14 13:30:33,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:30:33,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:30:33,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:30:33,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:30:33,665 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:30:33,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789406796] [2022-12-14 13:30:33,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789406796] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:30:33,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:30:33,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:30:33,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283730340] [2022-12-14 13:30:33,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:30:33,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:30:33,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:30:33,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:30:33,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:30:33,667 INFO L87 Difference]: Start difference. First operand 5096 states and 7407 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 13:30:36,617 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 13:30:38,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:30:38,498 INFO L93 Difference]: Finished difference Result 5123 states and 7433 transitions. [2022-12-14 13:30:38,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:30:38,499 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 25 [2022-12-14 13:30:38,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:30:38,522 INFO L225 Difference]: With dead ends: 5123 [2022-12-14 13:30:38,522 INFO L226 Difference]: Without dead ends: 5120 [2022-12-14 13:30:38,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:30:38,526 INFO L413 NwaCegarLoop]: 2245 mSDtfsCounter, 1862 mSDsluCounter, 1750 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1862 SdHoareTripleChecker+Valid, 3995 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-12-14 13:30:38,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1862 Valid, 3995 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 527 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2022-12-14 13:30:38,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5120 states. [2022-12-14 13:30:38,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5120 to 5097. [2022-12-14 13:30:38,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5097 states, 3063 states have (on average 1.3209271955599087) internal successors, (4046), 3176 states have internal predecessors, (4046), 1611 states have call successors, (1611), 436 states have call predecessors, (1611), 422 states have return successors, (1751), 1516 states have call predecessors, (1751), 1593 states have call successors, (1751) [2022-12-14 13:30:38,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5097 states to 5097 states and 7408 transitions. [2022-12-14 13:30:38,727 INFO L78 Accepts]: Start accepts. Automaton has 5097 states and 7408 transitions. Word has length 25 [2022-12-14 13:30:38,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:30:38,727 INFO L495 AbstractCegarLoop]: Abstraction has 5097 states and 7408 transitions. [2022-12-14 13:30:38,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 13:30:38,727 INFO L276 IsEmpty]: Start isEmpty. Operand 5097 states and 7408 transitions. [2022-12-14 13:30:38,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 13:30:38,728 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:30:38,728 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 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 13:30:38,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 13:30:38,728 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:30:38,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:30:38,728 INFO L85 PathProgramCache]: Analyzing trace with hash 624735206, now seen corresponding path program 1 times [2022-12-14 13:30:38,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:30:38,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27260173] [2022-12-14 13:30:38,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:30:38,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:30:38,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:30:38,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:30:38,891 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:30:38,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27260173] [2022-12-14 13:30:38,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27260173] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:30:38,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:30:38,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:30:38,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46986647] [2022-12-14 13:30:38,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:30:38,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:30:38,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:30:38,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:30:38,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:30:38,893 INFO L87 Difference]: Start difference. First operand 5097 states and 7408 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 13:30:41,351 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 13:30:42,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:30:42,492 INFO L93 Difference]: Finished difference Result 7005 states and 10197 transitions. [2022-12-14 13:30:42,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:30:42,493 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 26 [2022-12-14 13:30:42,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:30:42,520 INFO L225 Difference]: With dead ends: 7005 [2022-12-14 13:30:42,520 INFO L226 Difference]: Without dead ends: 6981 [2022-12-14 13:30:42,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:30:42,525 INFO L413 NwaCegarLoop]: 2268 mSDtfsCounter, 1870 mSDsluCounter, 1367 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1870 SdHoareTripleChecker+Valid, 3635 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-12-14 13:30:42,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1870 Valid, 3635 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 505 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-12-14 13:30:42,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6981 states. [2022-12-14 13:30:42,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6981 to 6963. [2022-12-14 13:30:42,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6963 states, 4177 states have (on average 1.3184103423509697) internal successors, (5507), 4350 states have internal predecessors, (5507), 2183 states have call successors, (2183), 632 states have call predecessors, (2183), 602 states have return successors, (2456), 2025 states have call predecessors, (2456), 2164 states have call successors, (2456) [2022-12-14 13:30:42,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6963 states to 6963 states and 10146 transitions. [2022-12-14 13:30:42,774 INFO L78 Accepts]: Start accepts. Automaton has 6963 states and 10146 transitions. Word has length 26 [2022-12-14 13:30:42,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:30:42,774 INFO L495 AbstractCegarLoop]: Abstraction has 6963 states and 10146 transitions. [2022-12-14 13:30:42,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 13:30:42,775 INFO L276 IsEmpty]: Start isEmpty. Operand 6963 states and 10146 transitions. [2022-12-14 13:30:42,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 13:30:42,775 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:30:42,776 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:30:42,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 13:30:42,776 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:30:42,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:30:42,776 INFO L85 PathProgramCache]: Analyzing trace with hash -798864051, now seen corresponding path program 1 times [2022-12-14 13:30:42,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:30:42,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867690798] [2022-12-14 13:30:42,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:30:42,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:30:42,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:30:43,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:30:43,052 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:30:43,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867690798] [2022-12-14 13:30:43,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867690798] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:30:43,052 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:30:43,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:30:43,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844086202] [2022-12-14 13:30:43,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:30:43,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:30:43,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:30:43,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:30:43,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:30:43,054 INFO L87 Difference]: Start difference. First operand 6963 states and 10146 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-14 13:30:46,194 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 13:30:47,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:30:47,458 INFO L93 Difference]: Finished difference Result 13915 states and 20277 transitions. [2022-12-14 13:30:47,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:30:47,459 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 34 [2022-12-14 13:30:47,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:30:47,496 INFO L225 Difference]: With dead ends: 13915 [2022-12-14 13:30:47,496 INFO L226 Difference]: Without dead ends: 6964 [2022-12-14 13:30:47,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:30:47,520 INFO L413 NwaCegarLoop]: 1765 mSDtfsCounter, 0 mSDsluCounter, 1763 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3528 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-12-14 13:30:47,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3528 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 505 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2022-12-14 13:30:47,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6964 states. [2022-12-14 13:30:47,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6964 to 6964. [2022-12-14 13:30:47,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6964 states, 4178 states have (on average 1.318334131163236) internal successors, (5508), 4351 states have internal predecessors, (5508), 2183 states have call successors, (2183), 632 states have call predecessors, (2183), 602 states have return successors, (2456), 2025 states have call predecessors, (2456), 2164 states have call successors, (2456) [2022-12-14 13:30:47,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6964 states to 6964 states and 10147 transitions. [2022-12-14 13:30:47,755 INFO L78 Accepts]: Start accepts. Automaton has 6964 states and 10147 transitions. Word has length 34 [2022-12-14 13:30:47,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:30:47,755 INFO L495 AbstractCegarLoop]: Abstraction has 6964 states and 10147 transitions. [2022-12-14 13:30:47,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-14 13:30:47,755 INFO L276 IsEmpty]: Start isEmpty. Operand 6964 states and 10147 transitions. [2022-12-14 13:30:47,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 13:30:47,756 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:30:47,756 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:30:47,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 13:30:47,757 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:30:47,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:30:47,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1911521300, now seen corresponding path program 1 times [2022-12-14 13:30:47,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:30:47,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466669895] [2022-12-14 13:30:47,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:30:47,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:30:47,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:30:48,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:30:48,162 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:30:48,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466669895] [2022-12-14 13:30:48,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466669895] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 13:30:48,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1496192999] [2022-12-14 13:30:48,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:30:48,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:30:48,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51d673-084e-4834-9973-cf5206589c5d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:30:48,164 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51d673-084e-4834-9973-cf5206589c5d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 13:30:48,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51d673-084e-4834-9973-cf5206589c5d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 13:30:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:30:48,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 3606 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 13:30:48,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:30:48,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 13:30:48,998 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 13:30:48,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1496192999] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:30:48,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 13:30:48,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-12-14 13:30:48,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522691442] [2022-12-14 13:30:48,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:30:48,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:30:48,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:30:48,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:30:48,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 13:30:48,999 INFO L87 Difference]: Start difference. First operand 6964 states and 10147 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-14 13:30:51,918 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 13:30:53,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:30:53,657 INFO L93 Difference]: Finished difference Result 11164 states and 16253 transitions. [2022-12-14 13:30:53,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:30:53,657 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) Word has length 35 [2022-12-14 13:30:53,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:30:53,694 INFO L225 Difference]: With dead ends: 11164 [2022-12-14 13:30:53,694 INFO L226 Difference]: Without dead ends: 8580 [2022-12-14 13:30:53,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 13:30:53,712 INFO L413 NwaCegarLoop]: 2366 mSDtfsCounter, 1989 mSDsluCounter, 1554 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1989 SdHoareTripleChecker+Valid, 3920 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-12-14 13:30:53,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1989 Valid, 3920 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 506 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2022-12-14 13:30:53,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8580 states. [2022-12-14 13:30:53,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8580 to 8537. [2022-12-14 13:30:53,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8537 states, 5130 states have (on average 1.3171539961013645) internal successors, (6757), 5334 states have internal predecessors, (6757), 2654 states have call successors, (2654), 788 states have call predecessors, (2654), 752 states have return successors, (3038), 2466 states have call predecessors, (3038), 2636 states have call successors, (3038) [2022-12-14 13:30:54,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8537 states to 8537 states and 12449 transitions. [2022-12-14 13:30:54,034 INFO L78 Accepts]: Start accepts. Automaton has 8537 states and 12449 transitions. Word has length 35 [2022-12-14 13:30:54,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:30:54,034 INFO L495 AbstractCegarLoop]: Abstraction has 8537 states and 12449 transitions. [2022-12-14 13:30:54,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-14 13:30:54,035 INFO L276 IsEmpty]: Start isEmpty. Operand 8537 states and 12449 transitions. [2022-12-14 13:30:54,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 13:30:54,037 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:30:54,037 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:30:54,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51d673-084e-4834-9973-cf5206589c5d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 13:30:54,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51d673-084e-4834-9973-cf5206589c5d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:30:54,238 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:30:54,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:30:54,239 INFO L85 PathProgramCache]: Analyzing trace with hash -874263553, now seen corresponding path program 1 times [2022-12-14 13:30:54,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:30:54,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7824861] [2022-12-14 13:30:54,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:30:54,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:30:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:30:54,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:30:54,607 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:30:54,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7824861] [2022-12-14 13:30:54,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7824861] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 13:30:54,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2070253228] [2022-12-14 13:30:54,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:30:54,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:30:54,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51d673-084e-4834-9973-cf5206589c5d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:30:54,608 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51d673-084e-4834-9973-cf5206589c5d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 13:30:54,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51d673-084e-4834-9973-cf5206589c5d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 13:30:55,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:30:55,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 3608 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 13:30:55,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:30:55,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 13:30:55,474 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 13:30:55,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2070253228] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:30:55,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 13:30:55,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-12-14 13:30:55,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462444836] [2022-12-14 13:30:55,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:30:55,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:30:55,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:30:55,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:30:55,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 13:30:55,476 INFO L87 Difference]: Start difference. First operand 8537 states and 12449 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-14 13:30:58,052 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 13:30:59,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:30:59,344 INFO L93 Difference]: Finished difference Result 8539 states and 12450 transitions. [2022-12-14 13:30:59,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:30:59,345 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) Word has length 36 [2022-12-14 13:30:59,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:30:59,368 INFO L225 Difference]: With dead ends: 8539 [2022-12-14 13:30:59,368 INFO L226 Difference]: Without dead ends: 8536 [2022-12-14 13:30:59,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 13:30:59,371 INFO L413 NwaCegarLoop]: 1762 mSDtfsCounter, 1983 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1983 SdHoareTripleChecker+Valid, 1763 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-12-14 13:30:59,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1983 Valid, 1763 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 254 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-12-14 13:30:59,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8536 states. [2022-12-14 13:30:59,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8536 to 8536. [2022-12-14 13:30:59,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8536 states, 5130 states have (on average 1.3167641325536061) internal successors, (6755), 5333 states have internal predecessors, (6755), 2653 states have call successors, (2653), 788 states have call predecessors, (2653), 752 states have return successors, (3038), 2466 states have call predecessors, (3038), 2636 states have call successors, (3038) [2022-12-14 13:30:59,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8536 states to 8536 states and 12446 transitions. [2022-12-14 13:30:59,683 INFO L78 Accepts]: Start accepts. Automaton has 8536 states and 12446 transitions. Word has length 36 [2022-12-14 13:30:59,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:30:59,683 INFO L495 AbstractCegarLoop]: Abstraction has 8536 states and 12446 transitions. [2022-12-14 13:30:59,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-14 13:30:59,683 INFO L276 IsEmpty]: Start isEmpty. Operand 8536 states and 12446 transitions. [2022-12-14 13:30:59,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 13:30:59,685 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:30:59,685 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:30:59,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51d673-084e-4834-9973-cf5206589c5d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 13:30:59,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51d673-084e-4834-9973-cf5206589c5d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:30:59,886 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:30:59,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:30:59,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1334243209, now seen corresponding path program 1 times [2022-12-14 13:30:59,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:30:59,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353360242] [2022-12-14 13:30:59,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:30:59,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:30:59,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:31:00,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:31:00,260 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:31:00,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353360242] [2022-12-14 13:31:00,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353360242] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 13:31:00,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1957753263] [2022-12-14 13:31:00,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:31:00,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:31:00,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51d673-084e-4834-9973-cf5206589c5d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:31:00,261 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51d673-084e-4834-9973-cf5206589c5d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 13:31:00,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51d673-084e-4834-9973-cf5206589c5d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 13:31:01,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:31:01,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 3610 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 13:31:01,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:31:01,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 13:31:01,130 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 13:31:01,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1957753263] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:31:01,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 13:31:01,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-12-14 13:31:01,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652964530] [2022-12-14 13:31:01,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:31:01,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:31:01,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:31:01,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:31:01,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 13:31:01,131 INFO L87 Difference]: Start difference. First operand 8536 states and 12446 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-14 13:31:04,185 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 13:31:05,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:31:05,027 INFO L93 Difference]: Finished difference Result 8538 states and 12447 transitions. [2022-12-14 13:31:05,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:31:05,028 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) Word has length 37 [2022-12-14 13:31:05,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:31:05,053 INFO L225 Difference]: With dead ends: 8538 [2022-12-14 13:31:05,053 INFO L226 Difference]: Without dead ends: 8506 [2022-12-14 13:31:05,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 13:31:05,057 INFO L413 NwaCegarLoop]: 1760 mSDtfsCounter, 1980 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1980 SdHoareTripleChecker+Valid, 1761 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-12-14 13:31:05,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1980 Valid, 1761 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 254 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-12-14 13:31:05,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8506 states. [2022-12-14 13:31:05,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8506 to 8493. [2022-12-14 13:31:05,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8493 states, 5112 states have (on average 1.3169014084507042) internal successors, (6732), 5314 states have internal predecessors, (6732), 2635 states have call successors, (2635), 779 states have call predecessors, (2635), 745 states have return successors, (3023), 2451 states have call predecessors, (3023), 2621 states have call successors, (3023) [2022-12-14 13:31:05,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8493 states to 8493 states and 12390 transitions. [2022-12-14 13:31:05,392 INFO L78 Accepts]: Start accepts. Automaton has 8493 states and 12390 transitions. Word has length 37 [2022-12-14 13:31:05,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:31:05,393 INFO L495 AbstractCegarLoop]: Abstraction has 8493 states and 12390 transitions. [2022-12-14 13:31:05,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-14 13:31:05,393 INFO L276 IsEmpty]: Start isEmpty. Operand 8493 states and 12390 transitions. [2022-12-14 13:31:05,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 13:31:05,394 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:31:05,394 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:31:05,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51d673-084e-4834-9973-cf5206589c5d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 13:31:05,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51d673-084e-4834-9973-cf5206589c5d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-12-14 13:31:05,594 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:31:05,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:31:05,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1586261506, now seen corresponding path program 1 times [2022-12-14 13:31:05,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:31:05,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264253889] [2022-12-14 13:31:05,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:31:05,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:31:05,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:31:05,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:31:05,897 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:31:05,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264253889] [2022-12-14 13:31:05,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264253889] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 13:31:05,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795251594] [2022-12-14 13:31:05,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:31:05,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:31:05,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51d673-084e-4834-9973-cf5206589c5d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:31:05,899 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51d673-084e-4834-9973-cf5206589c5d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 13:31:05,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51d673-084e-4834-9973-cf5206589c5d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 13:31:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:31:06,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 3612 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 13:31:06,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:31:06,833 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 13:31:06,833 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 13:31:06,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1795251594] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:31:06,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 13:31:06,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-12-14 13:31:06,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726900350] [2022-12-14 13:31:06,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:31:06,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:31:06,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:31:06,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:31:06,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 13:31:06,835 INFO L87 Difference]: Start difference. First operand 8493 states and 12390 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-14 13:31:09,427 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 13:31:10,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:31:10,367 INFO L93 Difference]: Finished difference Result 8531 states and 12415 transitions. [2022-12-14 13:31:10,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:31:10,368 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) Word has length 38 [2022-12-14 13:31:10,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:31:10,391 INFO L225 Difference]: With dead ends: 8531 [2022-12-14 13:31:10,391 INFO L226 Difference]: Without dead ends: 8497 [2022-12-14 13:31:10,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 13:31:10,395 INFO L413 NwaCegarLoop]: 1781 mSDtfsCounter, 1836 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1836 SdHoareTripleChecker+Valid, 1936 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-12-14 13:31:10,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1836 Valid, 1936 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 301 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-12-14 13:31:10,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8497 states. [2022-12-14 13:31:10,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8497 to 8438. [2022-12-14 13:31:10,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8438 states, 5093 states have (on average 1.317298252503436) internal successors, (6709), 5280 states have internal predecessors, (6709), 2590 states have call successors, (2590), 774 states have call predecessors, (2590), 754 states have return successors, (2959), 2435 states have call predecessors, (2959), 2579 states have call successors, (2959) [2022-12-14 13:31:10,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8438 states to 8438 states and 12258 transitions. [2022-12-14 13:31:10,776 INFO L78 Accepts]: Start accepts. Automaton has 8438 states and 12258 transitions. Word has length 38 [2022-12-14 13:31:10,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:31:10,777 INFO L495 AbstractCegarLoop]: Abstraction has 8438 states and 12258 transitions. [2022-12-14 13:31:10,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-14 13:31:10,777 INFO L276 IsEmpty]: Start isEmpty. Operand 8438 states and 12258 transitions. [2022-12-14 13:31:10,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 13:31:10,778 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:31:10,778 INFO L195 NwaCegarLoop]: trace histogram [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 13:31:10,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51d673-084e-4834-9973-cf5206589c5d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-12-14 13:31:10,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51d673-084e-4834-9973-cf5206589c5d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:31:10,979 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:31:10,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:31:10,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1058766816, now seen corresponding path program 1 times [2022-12-14 13:31:10,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:31:10,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440976309] [2022-12-14 13:31:10,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:31:10,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:31:11,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:31:11,139 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 13:31:11,139 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:31:11,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440976309] [2022-12-14 13:31:11,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440976309] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:31:11,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:31:11,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 13:31:11,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646272699] [2022-12-14 13:31:11,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:31:11,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 13:31:11,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:31:11,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 13:31:11,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 13:31:11,141 INFO L87 Difference]: Start difference. First operand 8438 states and 12258 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 13:31:14,412 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 13:31:16,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:31:16,416 INFO L93 Difference]: Finished difference Result 11001 states and 15943 transitions. [2022-12-14 13:31:16,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 13:31:16,417 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 46 [2022-12-14 13:31:16,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:31:16,447 INFO L225 Difference]: With dead ends: 11001 [2022-12-14 13:31:16,447 INFO L226 Difference]: Without dead ends: 8438 [2022-12-14 13:31:16,459 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 13:31:16,459 INFO L413 NwaCegarLoop]: 1752 mSDtfsCounter, 1 mSDsluCounter, 3499 mSDsCounter, 0 mSdLazyCounter, 763 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5251 SdHoareTripleChecker+Invalid, 764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 763 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-12-14 13:31:16,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 5251 Invalid, 764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 763 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2022-12-14 13:31:16,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8438 states. [2022-12-14 13:31:16,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8438 to 8438. [2022-12-14 13:31:16,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8438 states, 5093 states have (on average 1.3171019045749068) internal successors, (6708), 5280 states have internal predecessors, (6708), 2590 states have call successors, (2590), 774 states have call predecessors, (2590), 754 states have return successors, (2959), 2435 states have call predecessors, (2959), 2579 states have call successors, (2959) [2022-12-14 13:31:16,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8438 states to 8438 states and 12257 transitions. [2022-12-14 13:31:16,753 INFO L78 Accepts]: Start accepts. Automaton has 8438 states and 12257 transitions. Word has length 46 [2022-12-14 13:31:16,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:31:16,753 INFO L495 AbstractCegarLoop]: Abstraction has 8438 states and 12257 transitions. [2022-12-14 13:31:16,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 13:31:16,754 INFO L276 IsEmpty]: Start isEmpty. Operand 8438 states and 12257 transitions. [2022-12-14 13:31:16,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-14 13:31:16,755 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:31:16,756 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 13:31:16,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 13:31:16,756 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:31:16,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:31:16,756 INFO L85 PathProgramCache]: Analyzing trace with hash -474851033, now seen corresponding path program 1 times [2022-12-14 13:31:16,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:31:16,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325785011] [2022-12-14 13:31:16,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:31:16,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:31:16,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:31:16,940 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 13:31:16,940 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:31:16,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325785011] [2022-12-14 13:31:16,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325785011] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 13:31:16,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [853489711] [2022-12-14 13:31:16,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:31:16,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:31:16,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51d673-084e-4834-9973-cf5206589c5d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:31:16,942 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51d673-084e-4834-9973-cf5206589c5d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 13:31:16,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b51d673-084e-4834-9973-cf5206589c5d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 13:31:17,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:31:17,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 3046 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 13:31:17,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:31:17,717 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:31:17,717 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 13:31:17,750 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 13:31:17,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [853489711] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 13:31:17,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1730576725] [2022-12-14 13:31:17,767 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2022-12-14 13:31:17,767 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 13:31:17,770 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 13:31:17,773 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 13:31:17,773 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 13:31:22,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-12-14 13:31:22,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-12-14 13:31:22,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 39 select indices, 39 select index equivalence classes, 780 disjoint index pairs (out of 741 index pairs), introduced 39 new quantified variables, introduced 0 case distinctions, treesize of input 1332 treesize of output 1158 [2022-12-14 13:31:24,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:31:24,905 INFO L217 Elim1Store]: Index analysis took 859 ms [2022-12-14 13:32:14,580 WARN L233 SmtUtils]: Spent 49.61s on a formula simplification. DAG size of input: 3063 DAG size of output: 1983 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 13:32:14,587 INFO L321 Elim1Store]: treesize reduction 3520, result has 45.5 percent of original size [2022-12-14 13:32:14,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 341 select indices, 341 select index equivalence classes, 57972 disjoint index pairs (out of 57970 index pairs), introduced 341 new quantified variables, introduced 340 case distinctions, treesize of input 1712 treesize of output 3974 [2022-12-14 13:32:20,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:32:21,395 INFO L217 Elim1Store]: Index analysis took 1608 ms [2022-12-14 13:33:18,891 WARN L233 SmtUtils]: Spent 57.44s on a formula simplification. DAG size of input: 3745 DAG size of output: 2043 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 13:33:18,895 INFO L321 Elim1Store]: treesize reduction 6120, result has 33.3 percent of original size [2022-12-14 13:33:18,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 343 select indices, 343 select index equivalence classes, 58313 disjoint index pairs (out of 58653 index pairs), introduced 343 new quantified variables, introduced 680 case distinctions, treesize of input 1722 treesize of output 4105 [2022-12-14 13:36:27,721 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 13:36:27,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 13:36:38,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:36:38,472 INFO L217 Elim1Store]: Index analysis took 107 ms [2022-12-14 13:36:38,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 343 select indices, 343 select index equivalence classes, 58653 disjoint index pairs (out of 58653 index pairs), introduced 343 new quantified variables, introduced 0 case distinctions, treesize of input 1716 treesize of output 1030 [2022-12-14 13:36:41,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:36:41,341 INFO L217 Elim1Store]: Index analysis took 126 ms [2022-12-14 13:36:41,394 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 342 select indices, 342 select index equivalence classes, 58312 disjoint index pairs (out of 58311 index pairs), introduced 342 new quantified variables, introduced 0 case distinctions, treesize of input 1711 treesize of output 1027 [2022-12-14 13:37:13,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:37:13,371 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 342 select indices, 342 select index equivalence classes, 58312 disjoint index pairs (out of 58311 index pairs), introduced 342 new quantified variables, introduced 0 case distinctions, treesize of input 1711 treesize of output 1027 [2022-12-14 13:37:15,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 13:37:15,369 INFO L217 Elim1Store]: Index analysis took 104 ms [2022-12-14 13:37:15,421 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 343 select indices, 343 select index equivalence classes, 58653 disjoint index pairs (out of 58653 index pairs), introduced 343 new quantified variables, introduced 0 case distinctions, treesize of input 1716 treesize of output 1030 [2022-12-14 13:37:23,688 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 13:37:23,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 13:37:23,787 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 13:37:23,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 1 [2022-12-14 13:37:24,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 13:37:24,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 13:38:16,495 INFO L197 IcfgInterpreter]: Interpreting procedure ldv__builtin_expect with input of size 183 for LOIs [2022-12-14 13:38:16,600 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_handler_precall with input of size 4191 for LOIs [2022-12-14 13:38:32,090 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_initialize with input of size 4198 for LOIs [2022-12-14 13:38:47,604 INFO L197 IcfgInterpreter]: Interpreting procedure put_tty_driver with input of size 98 for LOIs [2022-12-14 13:38:47,611 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 4197 for LOIs [2022-12-14 13:39:03,488 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 13:42:30,829 WARN L233 SmtUtils]: Spent 3.45m on a formula simplification. DAG size of input: 4196 DAG size of output: 3574 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 13:43:50,142 WARN L233 SmtUtils]: Spent 1.30m on a formula simplification that was a NOOP. DAG size: 4198 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)