./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.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_b56efdbe-2d52-4a31-8862-75d3bc32e39c/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/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_b56efdbe-2d52-4a31-8862-75d3bc32e39c/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/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_b56efdbe-2d52-4a31-8862-75d3bc32e39c/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 7c12097eac5f261adffff229683e356131e183db7c13bb0d667f223c1dbcfa9a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 10:54:11,737 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 10:54:11,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 10:54:11,752 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 10:54:11,752 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 10:54:11,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 10:54:11,754 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 10:54:11,755 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 10:54:11,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 10:54:11,757 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 10:54:11,758 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 10:54:11,758 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 10:54:11,759 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 10:54:11,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 10:54:11,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 10:54:11,761 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 10:54:11,762 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 10:54:11,762 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 10:54:11,763 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 10:54:11,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 10:54:11,765 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 10:54:11,767 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 10:54:11,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 10:54:11,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 10:54:11,773 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 10:54:11,773 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 10:54:11,773 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 10:54:11,774 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 10:54:11,774 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 10:54:11,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 10:54:11,775 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 10:54:11,775 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 10:54:11,776 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 10:54:11,777 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 10:54:11,777 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 10:54:11,777 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 10:54:11,778 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 10:54:11,778 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 10:54:11,778 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 10:54:11,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 10:54:11,780 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 10:54:11,780 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 10:54:11,804 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 10:54:11,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 10:54:11,805 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 10:54:11,805 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 10:54:11,806 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 10:54:11,806 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 10:54:11,806 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 10:54:11,806 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 10:54:11,806 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 10:54:11,806 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 10:54:11,806 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 10:54:11,807 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 10:54:11,807 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 10:54:11,807 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 10:54:11,807 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 10:54:11,807 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 10:54:11,808 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 10:54:11,808 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 10:54:11,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 10:54:11,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 10:54:11,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 10:54:11,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 10:54:11,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 10:54:11,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 10:54:11,809 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 10:54:11,809 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 10:54:11,809 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 10:54:11,810 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 10:54:11,810 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 10:54:11,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:54:11,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 10:54:11,810 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 10:54:11,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 10:54:11,811 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 10:54:11,811 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 10:54:11,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 10:54:11,811 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 10:54:11,811 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 10:54:11,811 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_b56efdbe-2d52-4a31-8862-75d3bc32e39c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c12097eac5f261adffff229683e356131e183db7c13bb0d667f223c1dbcfa9a [2022-12-14 10:54:11,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 10:54:12,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 10:54:12,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 10:54:12,005 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 10:54:12,006 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 10:54:12,007 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i [2022-12-14 10:54:14,520 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 10:54:14,963 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 10:54:14,964 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i [2022-12-14 10:54:14,997 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/bin/utaipan-gh47qXpMRh/data/26b4177e6/6da79c1be6aa4827a09e97244fc907d4/FLAGba45b51e3 [2022-12-14 10:54:15,094 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/bin/utaipan-gh47qXpMRh/data/26b4177e6/6da79c1be6aa4827a09e97244fc907d4 [2022-12-14 10:54:15,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 10:54:15,097 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 10:54:15,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 10:54:15,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 10:54:15,100 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 10:54:15,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:54:15" (1/1) ... [2022-12-14 10:54:15,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7076e6f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:54:15, skipping insertion in model container [2022-12-14 10:54:15,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:54:15" (1/1) ... [2022-12-14 10:54:15,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 10:54:15,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 10:54:16,088 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 10:54:16,097 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-14 10:54:16,106 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 10:54:16,115 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-14 10:54:16,124 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 10:54:16,189 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 10:54:16,437 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 10:54:16,439 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 10:54:16,567 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:16,574 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:16,575 WARN L623 FunctionHandler]: Unknown extern function usb_clear_halt [2022-12-14 10:54:16,576 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:16,578 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:16,578 WARN L623 FunctionHandler]: Unknown extern function usb_queue_reset_device [2022-12-14 10:54:16,580 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 10:54:16,582 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 10:54:16,594 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:16,594 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface_async [2022-12-14 10:54:16,595 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface_no_suspend [2022-12-14 10:54:16,595 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface_async [2022-12-14 10:54:16,596 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:54:16,601 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 10:54:16,603 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:16,604 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface_async [2022-12-14 10:54:16,604 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface_no_suspend [2022-12-14 10:54:16,605 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface_async [2022-12-14 10:54:16,605 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:54:16,612 WARN L623 FunctionHandler]: Unknown extern function hid_input_report [2022-12-14 10:54:16,612 WARN L623 FunctionHandler]: Unknown extern function hid_check_keys_pressed [2022-12-14 10:54:16,613 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:54:16,614 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:16,617 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:16,617 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:54:16,618 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:16,621 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:16,624 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:54:16,625 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:16,631 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:54:16,633 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface_async [2022-12-14 10:54:16,633 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:54:16,639 WARN L623 FunctionHandler]: Unknown extern function hid_input_report [2022-12-14 10:54:16,640 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:54:16,641 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface_async [2022-12-14 10:54:16,641 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:54:16,648 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:54:16,648 WARN L623 FunctionHandler]: Unknown extern function hid_alloc_report_buf [2022-12-14 10:54:16,649 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:54:16,649 WARN L623 FunctionHandler]: Unknown extern function hid_output_report [2022-12-14 10:54:16,650 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface_no_resume [2022-12-14 10:54:16,650 WARN L623 FunctionHandler]: Unknown extern function usb_block_urb [2022-12-14 10:54:16,651 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-12-14 10:54:16,651 WARN L623 FunctionHandler]: Unknown extern function usb_unpoison_urb [2022-12-14 10:54:16,651 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface_async [2022-12-14 10:54:16,652 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:54:16,652 WARN L623 FunctionHandler]: Unknown extern function hid_alloc_report_buf [2022-12-14 10:54:16,653 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:54:16,653 WARN L623 FunctionHandler]: Unknown extern function hid_output_report [2022-12-14 10:54:16,655 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface_no_resume [2022-12-14 10:54:16,655 WARN L623 FunctionHandler]: Unknown extern function usb_block_urb [2022-12-14 10:54:16,655 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-12-14 10:54:16,655 WARN L623 FunctionHandler]: Unknown extern function usb_unpoison_urb [2022-12-14 10:54:16,656 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface_async [2022-12-14 10:54:16,666 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 10:54:16,667 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-14 10:54:16,668 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-14 10:54:16,668 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 10:54:16,669 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:54:16,674 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-14 10:54:16,679 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-14 10:54:16,680 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface [2022-12-14 10:54:16,682 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-12-14 10:54:16,682 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 10:54:16,683 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 10:54:16,686 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 10:54:16,686 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 10:54:16,687 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:54:16,698 WARN L623 FunctionHandler]: Unknown extern function hid_set_field [2022-12-14 10:54:16,715 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-14 10:54:16,722 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-14 10:54:16,728 WARN L623 FunctionHandler]: Unknown extern function usb_interrupt_msg [2022-12-14 10:54:16,739 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:16,745 WARN L623 FunctionHandler]: Unknown extern function __usb_get_extra_descriptor [2022-12-14 10:54:16,745 WARN L623 FunctionHandler]: Unknown extern function __usb_get_extra_descriptor [2022-12-14 10:54:16,745 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:54:16,747 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:54:16,747 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:54:16,748 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:54:16,748 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:16,749 WARN L623 FunctionHandler]: Unknown extern function hid_parse_report [2022-12-14 10:54:16,749 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:16,749 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:54:16,756 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:54:16,760 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface [2022-12-14 10:54:16,760 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:16,760 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-12-14 10:54:16,761 WARN L623 FunctionHandler]: Unknown extern function device_set_wakeup_enable [2022-12-14 10:54:16,766 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 10:54:16,767 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 10:54:16,767 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 10:54:16,767 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 10:54:16,793 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:54:16,794 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:16,794 WARN L623 FunctionHandler]: Unknown extern function hid_allocate_device [2022-12-14 10:54:16,795 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 10:54:16,796 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-12-14 10:54:16,796 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-12-14 10:54:16,797 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-12-14 10:54:16,798 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-12-14 10:54:16,799 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 10:54:16,799 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 10:54:16,799 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 10:54:16,800 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 10:54:16,800 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 10:54:16,800 WARN L623 FunctionHandler]: Unknown extern function hid_add_device [2022-12-14 10:54:16,800 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:16,801 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:16,801 WARN L623 FunctionHandler]: Unknown extern function hid_destroy_device [2022-12-14 10:54:16,806 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 10:54:16,807 WARN L623 FunctionHandler]: Unknown extern function hid_destroy_device [2022-12-14 10:54:16,807 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:16,807 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 10:54:16,812 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 10:54:16,812 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 10:54:16,812 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 10:54:16,822 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:54:16,823 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:54:16,823 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:16,823 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 10:54:16,823 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:16,824 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:54:16,825 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface [2022-12-14 10:54:16,825 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-12-14 10:54:16,838 WARN L623 FunctionHandler]: Unknown extern function hidinput_count_leds [2022-12-14 10:54:16,842 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:16,849 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:16,858 WARN L623 FunctionHandler]: Unknown extern function usb_find_interface [2022-12-14 10:54:16,866 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:54:17,069 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 10:54:17,073 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:54:17,074 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:54:17,074 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 10:54:17,075 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:54:17,075 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:54:17,079 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 10:54:17,079 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 10:54:17,079 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-14 10:54:17,080 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-14 10:54:17,080 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 10:54:17,093 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 10:54:17,126 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:54:17,132 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:54:17,132 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:54:17,133 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 10:54:17,133 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:17,134 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 10:54:17,138 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 10:54:17,139 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 10:54:17,139 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:17,140 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 10:54:17,140 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:54:17,140 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:54:17,147 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:54:17,148 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-12-14 10:54:17,148 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-12-14 10:54:17,215 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 10:54:17,348 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:54:17,348 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 10:54:17,348 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 10:54:17,348 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-14 10:54:17,353 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:54:17,353 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 10:54:17,354 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 10:54:17,354 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-14 10:54:17,406 WARN L623 FunctionHandler]: Unknown extern function __hid_request [2022-12-14 10:54:17,432 WARN L623 FunctionHandler]: Unknown extern function kill_fasync [2022-12-14 10:54:17,432 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:54:17,447 WARN L623 FunctionHandler]: Unknown extern function fasync_helper [2022-12-14 10:54:17,451 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 10:54:17,452 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:17,452 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 10:54:17,452 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 10:54:17,457 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 10:54:17,459 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 10:54:17,469 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 10:54:17,469 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 10:54:17,470 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 10:54:17,470 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 10:54:17,470 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 10:54:17,484 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:17,485 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:17,485 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:17,485 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:17,490 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:54:17,491 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-12-14 10:54:17,491 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:17,491 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:17,492 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:17,497 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:54:17,499 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:54:17,500 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:54:17,514 WARN L623 FunctionHandler]: Unknown extern function kasprintf [2022-12-14 10:54:17,516 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 10:54:17,517 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 10:54:17,517 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 10:54:17,517 WARN L623 FunctionHandler]: Unknown extern function usb_register_dev [2022-12-14 10:54:17,517 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:17,518 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:17,518 WARN L623 FunctionHandler]: Unknown extern function usb_deregister_dev [2022-12-14 10:54:17,518 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:54:17,518 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:17,564 WARN L623 FunctionHandler]: Unknown extern function noop_llseek [2022-12-14 10:54:17,565 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:54:17,565 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:54:17,596 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:54:17,596 WARN L623 FunctionHandler]: Unknown extern function up [2022-12-14 10:54:17,601 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:54:17,601 WARN L623 FunctionHandler]: Unknown extern function down [2022-12-14 10:54:17,616 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:54:17,622 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:54:17,629 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:17,689 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:17,690 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:17,691 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:17,693 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:17,693 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:17,712 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:17,719 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:17,723 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:17,724 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:17,745 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:54:17,746 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:54:17,747 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:54:17,758 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:17,760 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:17,766 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:17,771 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:54:17,782 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:17,783 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:17,783 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:17,783 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:17,784 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:17,784 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:17,784 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:17,785 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:17,785 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:17,786 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:17,791 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:17,797 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:17,798 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:17,798 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:17,798 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:17,799 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:54:17,799 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:54:17,800 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:54:17,800 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:54:17,801 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:54:17,801 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:54:17,802 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:54:17,808 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:54:17,809 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:17,813 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:17,814 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-12-14 10:54:17,815 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:17,816 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:17,817 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:17,818 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:17,819 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:17,820 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:17,821 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-12-14 10:54:17,821 WARN L623 FunctionHandler]: Unknown extern function input_ff_create [2022-12-14 10:54:17,821 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 10:54:17,822 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:18,280 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 10:54:18,510 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:54:19,019 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[497733,497746] [2022-12-14 10:54:19,022 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[497878,497891] [2022-12-14 10:54:19,022 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[498024,498037] [2022-12-14 10:54:19,022 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[498189,498202] [2022-12-14 10:54:19,022 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[498347,498360] [2022-12-14 10:54:19,023 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[498505,498518] [2022-12-14 10:54:19,023 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[498663,498676] [2022-12-14 10:54:19,023 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[498823,498836] [2022-12-14 10:54:19,023 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[498982,498995] [2022-12-14 10:54:19,024 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[499121,499134] [2022-12-14 10:54:19,024 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[499263,499276] [2022-12-14 10:54:19,024 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[499412,499425] [2022-12-14 10:54:19,024 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[499551,499564] [2022-12-14 10:54:19,025 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[499706,499719] [2022-12-14 10:54:19,025 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[499866,499879] [2022-12-14 10:54:19,025 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[500017,500030] [2022-12-14 10:54:19,025 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[500168,500181] [2022-12-14 10:54:19,026 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[500320,500333] [2022-12-14 10:54:19,026 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[500469,500482] [2022-12-14 10:54:19,026 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[500617,500630] [2022-12-14 10:54:19,026 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[500774,500787] [2022-12-14 10:54:19,027 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[500923,500936] [2022-12-14 10:54:19,027 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[501079,501092] [2022-12-14 10:54:19,027 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[501232,501245] [2022-12-14 10:54:19,028 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[501378,501391] [2022-12-14 10:54:19,028 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[501521,501534] [2022-12-14 10:54:19,028 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[501673,501686] [2022-12-14 10:54:19,029 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[501819,501832] [2022-12-14 10:54:19,029 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[501964,501977] [2022-12-14 10:54:19,029 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[502118,502131] [2022-12-14 10:54:19,029 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[502269,502282] [2022-12-14 10:54:19,029 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[502424,502437] [2022-12-14 10:54:19,030 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[502576,502589] [2022-12-14 10:54:19,030 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[502731,502744] [2022-12-14 10:54:19,030 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[502895,502908] [2022-12-14 10:54:19,030 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[503051,503064] [2022-12-14 10:54:19,031 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[503215,503228] [2022-12-14 10:54:19,031 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[503357,503370] [2022-12-14 10:54:19,031 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[503515,503528] [2022-12-14 10:54:19,031 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[503682,503695] [2022-12-14 10:54:19,032 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[503841,503854] [2022-12-14 10:54:19,032 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[504000,504013] [2022-12-14 10:54:19,032 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[504149,504162] [2022-12-14 10:54:19,032 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[504296,504309] [2022-12-14 10:54:19,032 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[504435,504448] [2022-12-14 10:54:19,033 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[504598,504611] [2022-12-14 10:54:19,033 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[504764,504777] [2022-12-14 10:54:19,033 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[504928,504941] [2022-12-14 10:54:19,033 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[505093,505106] [2022-12-14 10:54:19,034 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[505258,505271] [2022-12-14 10:54:19,034 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[505424,505437] [2022-12-14 10:54:19,034 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[505589,505602] [2022-12-14 10:54:19,034 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[505756,505769] [2022-12-14 10:54:19,035 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[505916,505929] [2022-12-14 10:54:19,035 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[506078,506091] [2022-12-14 10:54:19,035 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[506237,506250] [2022-12-14 10:54:19,035 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[506383,506396] [2022-12-14 10:54:19,036 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[506526,506539] [2022-12-14 10:54:19,036 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[506670,506683] [2022-12-14 10:54:19,036 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[506813,506826] [2022-12-14 10:54:19,036 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[506957,506970] [2022-12-14 10:54:19,037 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[507098,507111] [2022-12-14 10:54:19,037 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[507236,507249] [2022-12-14 10:54:19,037 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[507394,507407] [2022-12-14 10:54:19,037 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[507553,507566] [2022-12-14 10:54:19,037 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[507709,507722] [2022-12-14 10:54:19,038 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[507858,507871] [2022-12-14 10:54:19,038 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[508010,508023] [2022-12-14 10:54:19,038 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[508161,508174] [2022-12-14 10:54:19,038 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[508310,508323] [2022-12-14 10:54:19,039 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[508462,508475] [2022-12-14 10:54:19,039 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[508610,508623] [2022-12-14 10:54:19,039 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[508763,508776] [2022-12-14 10:54:19,039 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[508914,508927] [2022-12-14 10:54:19,040 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[509064,509077] [2022-12-14 10:54:19,040 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[509211,509224] [2022-12-14 10:54:19,040 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[509362,509375] [2022-12-14 10:54:19,040 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[509513,509526] [2022-12-14 10:54:19,040 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[509661,509674] [2022-12-14 10:54:19,041 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[509827,509840] [2022-12-14 10:54:19,041 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[509996,510009] [2022-12-14 10:54:19,041 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[510163,510176] [2022-12-14 10:54:19,041 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[510331,510344] [2022-12-14 10:54:19,042 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[510481,510494] [2022-12-14 10:54:19,042 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[510628,510641] [2022-12-14 10:54:19,042 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[510789,510802] [2022-12-14 10:54:19,042 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[510959,510972] [2022-12-14 10:54:19,042 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[511121,511134] [2022-12-14 10:54:19,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:54:19,083 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 10:54:19,143 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 10:54:19,143 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-14 10:54:19,144 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 10:54:19,144 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-14 10:54:19,144 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 10:54:19,145 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 10:54:19,153 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 10:54:19,154 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 10:54:19,157 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:19,159 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:19,161 WARN L623 FunctionHandler]: Unknown extern function usb_clear_halt [2022-12-14 10:54:19,162 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:19,163 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:19,163 WARN L623 FunctionHandler]: Unknown extern function usb_queue_reset_device [2022-12-14 10:54:19,164 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 10:54:19,164 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 10:54:19,166 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:19,166 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface_async [2022-12-14 10:54:19,166 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface_no_suspend [2022-12-14 10:54:19,167 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface_async [2022-12-14 10:54:19,167 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:54:19,168 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 10:54:19,169 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:19,169 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface_async [2022-12-14 10:54:19,169 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface_no_suspend [2022-12-14 10:54:19,170 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface_async [2022-12-14 10:54:19,170 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:54:19,171 WARN L623 FunctionHandler]: Unknown extern function hid_input_report [2022-12-14 10:54:19,171 WARN L623 FunctionHandler]: Unknown extern function hid_check_keys_pressed [2022-12-14 10:54:19,171 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:54:19,175 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:19,178 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:19,179 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:54:19,179 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:19,182 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:19,189 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:54:19,189 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:19,190 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:54:19,191 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface_async [2022-12-14 10:54:19,191 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:54:19,192 WARN L623 FunctionHandler]: Unknown extern function hid_input_report [2022-12-14 10:54:19,192 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:54:19,193 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface_async [2022-12-14 10:54:19,193 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:54:19,194 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:54:19,194 WARN L623 FunctionHandler]: Unknown extern function hid_alloc_report_buf [2022-12-14 10:54:19,194 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:54:19,195 WARN L623 FunctionHandler]: Unknown extern function hid_output_report [2022-12-14 10:54:19,195 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface_no_resume [2022-12-14 10:54:19,195 WARN L623 FunctionHandler]: Unknown extern function usb_block_urb [2022-12-14 10:54:19,196 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-12-14 10:54:19,196 WARN L623 FunctionHandler]: Unknown extern function usb_unpoison_urb [2022-12-14 10:54:19,196 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface_async [2022-12-14 10:54:19,196 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:54:19,197 WARN L623 FunctionHandler]: Unknown extern function hid_alloc_report_buf [2022-12-14 10:54:19,197 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:54:19,197 WARN L623 FunctionHandler]: Unknown extern function hid_output_report [2022-12-14 10:54:19,198 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface_no_resume [2022-12-14 10:54:19,198 WARN L623 FunctionHandler]: Unknown extern function usb_block_urb [2022-12-14 10:54:19,198 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-12-14 10:54:19,198 WARN L623 FunctionHandler]: Unknown extern function usb_unpoison_urb [2022-12-14 10:54:19,198 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface_async [2022-12-14 10:54:19,199 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 10:54:19,200 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-14 10:54:19,200 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-14 10:54:19,200 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 10:54:19,201 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:54:19,201 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-14 10:54:19,202 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-14 10:54:19,202 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface [2022-12-14 10:54:19,203 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-12-14 10:54:19,203 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 10:54:19,204 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 10:54:19,205 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 10:54:19,205 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 10:54:19,205 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:54:19,207 WARN L623 FunctionHandler]: Unknown extern function hid_set_field [2022-12-14 10:54:19,211 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-14 10:54:19,214 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-14 10:54:19,217 WARN L623 FunctionHandler]: Unknown extern function usb_interrupt_msg [2022-12-14 10:54:19,218 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:19,221 WARN L623 FunctionHandler]: Unknown extern function __usb_get_extra_descriptor [2022-12-14 10:54:19,221 WARN L623 FunctionHandler]: Unknown extern function __usb_get_extra_descriptor [2022-12-14 10:54:19,221 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:54:19,222 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:54:19,222 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:54:19,223 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:54:19,223 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:19,223 WARN L623 FunctionHandler]: Unknown extern function hid_parse_report [2022-12-14 10:54:19,223 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:19,223 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:54:19,238 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:54:19,242 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface [2022-12-14 10:54:19,242 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:19,242 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-12-14 10:54:19,243 WARN L623 FunctionHandler]: Unknown extern function device_set_wakeup_enable [2022-12-14 10:54:19,244 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 10:54:19,244 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 10:54:19,245 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 10:54:19,245 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 10:54:19,255 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:54:19,256 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:19,256 WARN L623 FunctionHandler]: Unknown extern function hid_allocate_device [2022-12-14 10:54:19,271 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 10:54:19,272 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-12-14 10:54:19,272 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-12-14 10:54:19,273 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-12-14 10:54:19,273 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-12-14 10:54:19,274 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 10:54:19,274 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 10:54:19,275 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 10:54:19,275 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 10:54:19,275 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 10:54:19,276 WARN L623 FunctionHandler]: Unknown extern function hid_add_device [2022-12-14 10:54:19,276 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:19,276 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:19,276 WARN L623 FunctionHandler]: Unknown extern function hid_destroy_device [2022-12-14 10:54:19,277 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 10:54:19,277 WARN L623 FunctionHandler]: Unknown extern function hid_destroy_device [2022-12-14 10:54:19,278 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:19,278 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 10:54:19,278 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 10:54:19,278 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 10:54:19,278 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 10:54:19,279 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:54:19,280 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:54:19,280 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:19,280 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 10:54:19,281 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:19,281 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:54:19,282 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface [2022-12-14 10:54:19,282 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-12-14 10:54:19,286 WARN L623 FunctionHandler]: Unknown extern function hidinput_count_leds [2022-12-14 10:54:19,294 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:19,295 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:19,300 WARN L623 FunctionHandler]: Unknown extern function usb_find_interface [2022-12-14 10:54:19,301 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:54:19,314 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 10:54:19,314 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:54:19,315 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:54:19,315 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 10:54:19,316 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:54:19,316 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:54:19,319 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 10:54:19,319 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 10:54:19,320 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-14 10:54:19,320 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-14 10:54:19,321 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 10:54:19,321 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 10:54:19,324 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:54:19,324 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:54:19,325 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:54:19,325 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 10:54:19,326 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:19,326 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 10:54:19,327 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-12-14 10:54:19,327 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 10:54:19,327 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:19,328 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-12-14 10:54:19,328 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:54:19,329 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:54:19,330 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:54:19,331 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-12-14 10:54:19,331 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-12-14 10:54:19,332 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 10:54:19,333 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:54:19,333 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 10:54:19,333 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 10:54:19,334 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-14 10:54:19,334 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:54:19,334 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 10:54:19,334 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 10:54:19,334 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-14 10:54:19,337 WARN L623 FunctionHandler]: Unknown extern function __hid_request [2022-12-14 10:54:19,342 WARN L623 FunctionHandler]: Unknown extern function kill_fasync [2022-12-14 10:54:19,342 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:54:19,344 WARN L623 FunctionHandler]: Unknown extern function fasync_helper [2022-12-14 10:54:19,344 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 10:54:19,344 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:19,345 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 10:54:19,345 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 10:54:19,345 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 10:54:19,346 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 10:54:19,348 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 10:54:19,348 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 10:54:19,348 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 10:54:19,349 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 10:54:19,349 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 10:54:19,353 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:19,354 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:19,354 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:19,354 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:19,357 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:54:19,357 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-12-14 10:54:19,357 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:19,357 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:19,358 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:19,359 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:54:19,362 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:54:19,362 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:54:19,368 WARN L623 FunctionHandler]: Unknown extern function kasprintf [2022-12-14 10:54:19,369 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 10:54:19,369 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 10:54:19,369 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 10:54:19,370 WARN L623 FunctionHandler]: Unknown extern function usb_register_dev [2022-12-14 10:54:19,370 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:19,370 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:19,370 WARN L623 FunctionHandler]: Unknown extern function usb_deregister_dev [2022-12-14 10:54:19,371 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:54:19,371 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:19,374 WARN L623 FunctionHandler]: Unknown extern function noop_llseek [2022-12-14 10:54:19,375 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:54:19,375 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:54:19,377 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:54:19,377 WARN L623 FunctionHandler]: Unknown extern function up [2022-12-14 10:54:19,377 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:54:19,377 WARN L623 FunctionHandler]: Unknown extern function down [2022-12-14 10:54:19,379 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:54:19,380 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:54:19,382 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:19,399 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:19,400 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:19,401 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:19,402 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:19,403 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:19,406 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:19,409 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:19,414 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:19,415 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:19,418 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:54:19,419 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:54:19,421 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:54:19,423 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:19,424 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:19,426 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:19,427 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:54:19,429 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:19,430 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:19,431 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:19,431 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:19,432 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:19,432 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:19,432 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:19,433 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:19,433 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:19,434 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:19,435 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:19,437 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:19,438 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:19,438 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:19,439 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:19,440 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:54:19,440 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:54:19,440 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:54:19,441 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:54:19,441 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:54:19,442 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:54:19,443 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:54:19,445 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:54:19,446 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:19,447 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:54:19,447 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-12-14 10:54:19,449 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:19,450 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:19,451 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:19,452 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:19,453 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:19,454 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:54:19,455 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-12-14 10:54:19,455 WARN L623 FunctionHandler]: Unknown extern function input_ff_create [2022-12-14 10:54:19,458 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 10:54:19,459 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:54:19,472 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 10:54:19,479 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:54:19,496 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[497733,497746] [2022-12-14 10:54:19,497 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[497878,497891] [2022-12-14 10:54:19,497 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[498024,498037] [2022-12-14 10:54:19,497 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[498189,498202] [2022-12-14 10:54:19,497 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[498347,498360] [2022-12-14 10:54:19,497 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[498505,498518] [2022-12-14 10:54:19,498 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[498663,498676] [2022-12-14 10:54:19,498 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[498823,498836] [2022-12-14 10:54:19,498 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[498982,498995] [2022-12-14 10:54:19,498 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[499121,499134] [2022-12-14 10:54:19,498 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[499263,499276] [2022-12-14 10:54:19,499 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[499412,499425] [2022-12-14 10:54:19,499 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[499551,499564] [2022-12-14 10:54:19,499 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[499706,499719] [2022-12-14 10:54:19,499 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[499866,499879] [2022-12-14 10:54:19,499 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[500017,500030] [2022-12-14 10:54:19,500 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[500168,500181] [2022-12-14 10:54:19,500 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[500320,500333] [2022-12-14 10:54:19,500 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[500469,500482] [2022-12-14 10:54:19,500 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[500617,500630] [2022-12-14 10:54:19,500 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[500774,500787] [2022-12-14 10:54:19,501 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[500923,500936] [2022-12-14 10:54:19,501 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[501079,501092] [2022-12-14 10:54:19,501 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[501232,501245] [2022-12-14 10:54:19,502 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[501378,501391] [2022-12-14 10:54:19,502 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[501521,501534] [2022-12-14 10:54:19,502 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[501673,501686] [2022-12-14 10:54:19,503 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[501819,501832] [2022-12-14 10:54:19,503 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[501964,501977] [2022-12-14 10:54:19,503 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[502118,502131] [2022-12-14 10:54:19,503 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[502269,502282] [2022-12-14 10:54:19,503 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[502424,502437] [2022-12-14 10:54:19,504 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[502576,502589] [2022-12-14 10:54:19,504 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[502731,502744] [2022-12-14 10:54:19,504 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[502895,502908] [2022-12-14 10:54:19,504 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[503051,503064] [2022-12-14 10:54:19,504 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[503215,503228] [2022-12-14 10:54:19,505 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[503357,503370] [2022-12-14 10:54:19,505 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[503515,503528] [2022-12-14 10:54:19,505 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[503682,503695] [2022-12-14 10:54:19,505 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[503841,503854] [2022-12-14 10:54:19,505 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[504000,504013] [2022-12-14 10:54:19,506 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[504149,504162] [2022-12-14 10:54:19,506 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[504296,504309] [2022-12-14 10:54:19,506 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[504435,504448] [2022-12-14 10:54:19,506 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[504598,504611] [2022-12-14 10:54:19,506 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[504764,504777] [2022-12-14 10:54:19,507 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[504928,504941] [2022-12-14 10:54:19,507 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[505093,505106] [2022-12-14 10:54:19,507 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[505258,505271] [2022-12-14 10:54:19,507 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[505424,505437] [2022-12-14 10:54:19,507 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[505589,505602] [2022-12-14 10:54:19,508 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[505756,505769] [2022-12-14 10:54:19,508 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[505916,505929] [2022-12-14 10:54:19,508 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[506078,506091] [2022-12-14 10:54:19,508 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[506237,506250] [2022-12-14 10:54:19,508 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[506383,506396] [2022-12-14 10:54:19,509 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[506526,506539] [2022-12-14 10:54:19,509 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[506670,506683] [2022-12-14 10:54:19,509 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[506813,506826] [2022-12-14 10:54:19,509 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[506957,506970] [2022-12-14 10:54:19,509 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[507098,507111] [2022-12-14 10:54:19,510 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[507236,507249] [2022-12-14 10:54:19,510 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[507394,507407] [2022-12-14 10:54:19,510 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[507553,507566] [2022-12-14 10:54:19,510 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[507709,507722] [2022-12-14 10:54:19,510 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[507858,507871] [2022-12-14 10:54:19,511 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[508010,508023] [2022-12-14 10:54:19,511 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[508161,508174] [2022-12-14 10:54:19,511 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[508310,508323] [2022-12-14 10:54:19,511 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[508462,508475] [2022-12-14 10:54:19,511 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[508610,508623] [2022-12-14 10:54:19,512 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[508763,508776] [2022-12-14 10:54:19,512 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[508914,508927] [2022-12-14 10:54:19,512 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[509064,509077] [2022-12-14 10:54:19,512 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[509211,509224] [2022-12-14 10:54:19,512 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[509362,509375] [2022-12-14 10:54:19,512 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[509513,509526] [2022-12-14 10:54:19,513 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[509661,509674] [2022-12-14 10:54:19,513 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[509827,509840] [2022-12-14 10:54:19,513 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[509996,510009] [2022-12-14 10:54:19,513 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[510163,510176] [2022-12-14 10:54:19,514 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[510331,510344] [2022-12-14 10:54:19,514 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[510481,510494] [2022-12-14 10:54:19,514 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[510628,510641] [2022-12-14 10:54:19,514 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[510789,510802] [2022-12-14 10:54:19,514 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[510959,510972] [2022-12-14 10:54:19,514 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[511121,511134] [2022-12-14 10:54:19,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:54:19,693 INFO L208 MainTranslator]: Completed translation [2022-12-14 10:54:19,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:54:19 WrapperNode [2022-12-14 10:54:19,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 10:54:19,695 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 10:54:19,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 10:54:19,695 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 10:54:19,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:54:19" (1/1) ... [2022-12-14 10:54:19,782 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:54:19" (1/1) ... [2022-12-14 10:54:19,952 INFO L138 Inliner]: procedures = 791, calls = 4667, calls flagged for inlining = 346, calls inlined = 247, statements flattened = 8121 [2022-12-14 10:54:19,953 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 10:54:19,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 10:54:19,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 10:54:19,953 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 10:54:19,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:54:19" (1/1) ... [2022-12-14 10:54:19,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:54:19" (1/1) ... [2022-12-14 10:54:19,994 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:54:19" (1/1) ... [2022-12-14 10:54:19,994 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:54:19" (1/1) ... [2022-12-14 10:54:20,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:54:19" (1/1) ... [2022-12-14 10:54:20,149 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:54:19" (1/1) ... [2022-12-14 10:54:20,183 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:54:19" (1/1) ... [2022-12-14 10:54:20,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:54:19" (1/1) ... [2022-12-14 10:54:20,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 10:54:20,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 10:54:20,228 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 10:54:20,228 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 10:54:20,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:54:19" (1/1) ... [2022-12-14 10:54:20,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:54:20,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:54:20,252 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 10:54:20,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 10:54:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-12-14 10:54:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_request_effect_upload [2022-12-14 10:54:20,286 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_request_effect_upload [2022-12-14 10:54:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2022-12-14 10:54:20,286 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2022-12-14 10:54:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_special_field [2022-12-14 10:54:20,286 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_special_field [2022-12-14 10:54:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_usbhid_device [2022-12-14 10:54:20,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_usbhid_device [2022-12-14 10:54:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_check_usage [2022-12-14 10:54:20,286 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_check_usage [2022-12-14 10:54:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-12-14 10:54:20,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-12-14 10:54:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-12-14 10:54:20,286 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-12-14 10:54:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 10:54:20,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 10:54:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-12-14 10:54:20,287 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-12-14 10:54:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-12-14 10:54:20,287 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-12-14 10:54:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure hid_suspend [2022-12-14 10:54:20,287 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_suspend [2022-12-14 10:54:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_erase_pid [2022-12-14 10:54:20,287 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_erase_pid [2022-12-14 10:54:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-14 10:54:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-14 10:54:20,287 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-14 10:54:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure hid_submit_out [2022-12-14 10:54:20,287 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_submit_out [2022-12-14 10:54:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_108 [2022-12-14 10:54:20,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_108 [2022-12-14 10:54:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure hid_output_report [2022-12-14 10:54:20,287 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_output_report [2022-12-14 10:54:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-14 10:54:20,287 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-14 10:54:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-12-14 10:54:20,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-12-14 10:54:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_existancelock_of_hiddev [2022-12-14 10:54:20,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_existancelock_of_hiddev [2022-12-14 10:54:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure hid_find_max_report [2022-12-14 10:54:20,287 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_find_max_report [2022-12-14 10:54:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_autocenter [2022-12-14 10:54:20,288 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_autocenter [2022-12-14 10:54:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 10:54:20,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 10:54:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_ioctl [2022-12-14 10:54:20,288 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_ioctl [2022-12-14 10:54:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-12-14 10:54:20,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-12-14 10:54:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 10:54:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-12-14 10:54:20,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-12-14 10:54:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure hid_submit_ctrl [2022-12-14 10:54:20,288 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_submit_ctrl [2022-12-14 10:54:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_120 [2022-12-14 10:54:20,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_120 [2022-12-14 10:54:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-14 10:54:20,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-14 10:54:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2022-12-14 10:54:20,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2022-12-14 10:54:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_restart_out_queue [2022-12-14 10:54:20,288 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_restart_out_queue [2022-12-14 10:54:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-12-14 10:54:20,288 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-12-14 10:54:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-12-14 10:54:20,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-12-14 10:54:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_stop [2022-12-14 10:54:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_stop [2022-12-14 10:54:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 10:54:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-12-14 10:54:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-12-14 10:54:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 10:54:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 10:54:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 10:54:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 10:54:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 10:54:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure hid_cease_io [2022-12-14 10:54:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_cease_io [2022-12-14 10:54:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-12-14 10:54:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-12-14 10:54:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-12-14 10:54:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-12-14 10:54:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-12-14 10:54:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-12-14 10:54:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-12-14 10:54:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-12-14 10:54:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_wait [2022-12-14 10:54:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_wait [2022-12-14 10:54:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-14 10:54:20,290 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-14 10:54:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure hid_start_in [2022-12-14 10:54:20,290 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_start_in [2022-12-14 10:54:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-12-14 10:54:20,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-12-14 10:54:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-12-14 10:54:20,290 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-12-14 10:54:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_hid_open_mut [2022-12-14 10:54:20,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_hid_open_mut [2022-12-14 10:54:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure hid_io_error [2022-12-14 10:54:20,290 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_io_error [2022-12-14 10:54:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-12-14 10:54:20,290 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-12-14 10:54:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 10:54:20,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 10:54:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 10:54:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-12-14 10:54:20,290 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-12-14 10:54:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-12-14 10:54:20,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-12-14 10:54:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2022-12-14 10:54:20,290 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2022-12-14 10:54:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure hid_cancel_delayed_stuff [2022-12-14 10:54:20,290 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_cancel_delayed_stuff [2022-12-14 10:54:20,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 10:54:20,291 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 10:54:20,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_usbhid_device [2022-12-14 10:54:20,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_usbhid_device [2022-12-14 10:54:20,291 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_lookup_report [2022-12-14 10:54:20,291 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_lookup_report [2022-12-14 10:54:20,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-12-14 10:54:20,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-12-14 10:54:20,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_free_urb [2022-12-14 10:54:20,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_free_urb [2022-12-14 10:54:20,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-12-14 10:54:20,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-12-14 10:54:20,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 10:54:20,291 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 10:54:20,291 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 10:54:20,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-12-14 10:54:20,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-12-14 10:54:20,291 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_submit_report [2022-12-14 10:54:20,291 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_submit_report [2022-12-14 10:54:20,291 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_mark_busy [2022-12-14 10:54:20,291 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_mark_busy [2022-12-14 10:54:20,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 10:54:20,291 INFO L130 BoogieDeclarations]: Found specification of procedure hid_set_idle [2022-12-14 10:54:20,291 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_set_idle [2022-12-14 10:54:20,292 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_set [2022-12-14 10:54:20,292 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_set [2022-12-14 10:54:20,292 INFO L130 BoogieDeclarations]: Found specification of procedure hid_reset_resume [2022-12-14 10:54:20,292 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_reset_resume [2022-12-14 10:54:20,292 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-12-14 10:54:20,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-12-14 10:54:20,292 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-14 10:54:20,292 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-14 10:54:20,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-14 10:54:20,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-14 10:54:20,292 INFO L130 BoogieDeclarations]: Found specification of procedure hid_alloc_report_buf [2022-12-14 10:54:20,292 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_alloc_report_buf [2022-12-14 10:54:20,292 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_reports [2022-12-14 10:54:20,292 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_reports [2022-12-14 10:54:20,292 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-12-14 10:54:20,292 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-12-14 10:54:20,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_alloc_urb [2022-12-14 10:54:20,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_alloc_urb [2022-12-14 10:54:20,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-12-14 10:54:20,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-12-14 10:54:20,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-12-14 10:54:20,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-12-14 10:54:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-12-14 10:54:20,293 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-12-14 10:54:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-12-14 10:54:20,293 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-12-14 10:54:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-12-14 10:54:20,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-12-14 10:54:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 10:54:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-12-14 10:54:20,293 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-12-14 10:54:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 10:54:20,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 10:54:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_restart_ctrl_queue [2022-12-14 10:54:20,293 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_restart_ctrl_queue [2022-12-14 10:54:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_reset [2022-12-14 10:54:20,293 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_reset [2022-12-14 10:54:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_thread_lock_of_hiddev_list [2022-12-14 10:54:20,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_thread_lock_of_hiddev_list [2022-12-14 10:54:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-12-14 10:54:20,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-12-14 10:54:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_lookup_quirk [2022-12-14 10:54:20,293 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_lookup_quirk [2022-12-14 10:54:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2022-12-14 10:54:20,293 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2022-12-14 10:54:20,294 INFO L130 BoogieDeclarations]: Found specification of procedure hid_resume [2022-12-14 10:54:20,294 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_resume [2022-12-14 10:54:20,294 INFO L130 BoogieDeclarations]: Found specification of procedure hid_get_class_descriptor [2022-12-14 10:54:20,294 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_get_class_descriptor [2022-12-14 10:54:20,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_107 [2022-12-14 10:54:20,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_107 [2022-12-14 10:54:20,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_96 [2022-12-14 10:54:20,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_96 [2022-12-14 10:54:20,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2022-12-14 10:54:20,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2022-12-14 10:54:20,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-12-14 10:54:20,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-12-14 10:54:20,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_thread_lock_of_hiddev_list [2022-12-14 10:54:20,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_thread_lock_of_hiddev_list [2022-12-14 10:54:20,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 10:54:20,294 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 10:54:20,317 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_playback_pid [2022-12-14 10:54:20,317 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_playback_pid [2022-12-14 10:54:20,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 10:54:20,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 10:54:20,317 INFO L130 BoogieDeclarations]: Found specification of procedure usb_block_urb [2022-12-14 10:54:20,318 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_block_urb [2022-12-14 10:54:20,318 INFO L130 BoogieDeclarations]: Found specification of procedure hid_retry_timeout [2022-12-14 10:54:20,318 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_retry_timeout [2022-12-14 10:54:20,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_3 [2022-12-14 10:54:20,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_3 [2022-12-14 10:54:20,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_usb_alloc_coherent [2022-12-14 10:54:20,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_usb_alloc_coherent [2022-12-14 10:54:20,318 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_get_extra_descriptor [2022-12-14 10:54:20,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_get_extra_descriptor [2022-12-14 10:54:20,318 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_init_reports [2022-12-14 10:54:20,318 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_init_reports [2022-12-14 10:54:20,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_hid_open_mut [2022-12-14 10:54:20,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_hid_open_mut [2022-12-14 10:54:20,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-12-14 10:54:20,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-12-14 10:54:20,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-12-14 10:54:20,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-12-14 10:54:20,319 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-14 10:54:20,319 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-14 10:54:20,319 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2022-12-14 10:54:20,319 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unpoison_urb [2022-12-14 10:54:20,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 10:54:20,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 10:54:20,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 10:54:20,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 10:54:20,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-12-14 10:54:20,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-12-14 10:54:20,319 INFO L130 BoogieDeclarations]: Found specification of procedure hid_resume_common [2022-12-14 10:54:20,319 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_resume_common [2022-12-14 10:54:20,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 10:54:20,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-12-14 10:54:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-12-14 10:54:20,320 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-12-14 10:54:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-12-14 10:54:20,320 INFO L130 BoogieDeclarations]: Found specification of procedure hid_free_buffers [2022-12-14 10:54:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_free_buffers [2022-12-14 10:54:20,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 10:54:20,320 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-12-14 10:54:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-12-14 10:54:20,320 INFO L130 BoogieDeclarations]: Found specification of procedure hid_pidff_init [2022-12-14 10:54:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_pidff_init [2022-12-14 10:54:20,320 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-14 10:54:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-14 10:54:20,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 10:54:20,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-12-14 10:54:20,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-12-14 10:54:20,321 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-12-14 10:54:20,321 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-12-14 10:54:20,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-12-14 10:54:20,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-12-14 10:54:20,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_existancelock_of_hiddev [2022-12-14 10:54:20,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_existancelock_of_hiddev [2022-12-14 10:54:20,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 10:54:20,321 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 10:54:20,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-12-14 10:54:20,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-12-14 10:54:20,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-12-14 10:54:20,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-12-14 10:54:20,321 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-12-14 10:54:20,321 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-12-14 10:54:20,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-14 10:54:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-14 10:54:20,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_3_2 [2022-12-14 10:54:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_3_2 [2022-12-14 10:54:20,322 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-12-14 10:54:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-12-14 10:54:20,322 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-12-14 10:54:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-12-14 10:54:20,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-12-14 10:54:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-12-14 10:54:20,322 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_parse [2022-12-14 10:54:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_parse [2022-12-14 10:54:20,322 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2022-12-14 10:54:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2022-12-14 10:54:20,322 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_wait_io [2022-12-14 10:54:20,323 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_wait_io [2022-12-14 10:54:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_put_power [2022-12-14 10:54:20,323 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_put_power [2022-12-14 10:54:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_check_autocenter [2022-12-14 10:54:20,323 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_check_autocenter [2022-12-14 10:54:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-14 10:54:20,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-14 10:54:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_99 [2022-12-14 10:54:20,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_99 [2022-12-14 10:54:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_special_keys [2022-12-14 10:54:20,323 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_special_keys [2022-12-14 10:54:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-12-14 10:54:20,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-12-14 10:54:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-12-14 10:54:20,323 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-12-14 10:54:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-12-14 10:54:20,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-12-14 10:54:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-12-14 10:54:20,324 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-12-14 10:54:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_request [2022-12-14 10:54:20,324 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_request [2022-12-14 10:54:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-12-14 10:54:20,324 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-12-14 10:54:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 10:54:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 10:54:20,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 10:54:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 10:54:20,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 10:54:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_no_suspend [2022-12-14 10:54:20,324 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_no_suspend [2022-12-14 10:54:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_no_resume [2022-12-14 10:54:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_no_resume [2022-12-14 10:54:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_disconnect [2022-12-14 10:54:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_disconnect [2022-12-14 10:54:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2022-12-14 10:54:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2022-12-14 10:54:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure hid_destroy_device [2022-12-14 10:54:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_destroy_device [2022-12-14 10:54:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_usb_free_coherent [2022-12-14 10:54:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_usb_free_coherent [2022-12-14 10:54:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_open [2022-12-14 10:54:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_open [2022-12-14 10:54:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-12-14 10:54:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-12-14 10:54:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_rescale [2022-12-14 10:54:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_rescale [2022-12-14 10:54:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 10:54:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-12-14 10:54:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-12-14 10:54:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-12-14 10:54:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-12-14 10:54:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_close [2022-12-14 10:54:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_close [2022-12-14 10:54:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 10:54:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 10:54:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_7_2 [2022-12-14 10:54:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_7_2 [2022-12-14 10:54:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-12-14 10:54:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-12-14 10:54:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_async [2022-12-14 10:54:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_async [2022-12-14 10:54:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-12-14 10:54:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-12-14 10:54:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_fields [2022-12-14 10:54:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_fields [2022-12-14 10:54:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:54:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:54:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_quirks_exit [2022-12-14 10:54:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_quirks_exit [2022-12-14 10:54:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-12-14 10:54:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-12-14 10:54:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_restart_queues [2022-12-14 10:54:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_restart_queues [2022-12-14 10:54:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-12-14 10:54:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-12-14 10:54:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-12-14 10:54:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-12-14 10:54:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 10:54:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 10:54:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure hid_device_io_stop [2022-12-14 10:54:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_device_io_stop [2022-12-14 10:54:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-12-14 10:54:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-12-14 10:54:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_start [2022-12-14 10:54:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_start [2022-12-14 10:54:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-12-14 10:54:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-12-14 10:54:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-12-14 10:54:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-12-14 10:54:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-12-14 10:54:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-12-14 10:54:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_list_lock_of_hiddev [2022-12-14 10:54:20,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_list_lock_of_hiddev [2022-12-14 10:54:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 10:54:20,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 10:54:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-12-14 10:54:20,329 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-12-14 10:54:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure hid_pre_reset [2022-12-14 10:54:20,329 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_pre_reset [2022-12-14 10:54:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-12-14 10:54:20,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-12-14 10:54:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_list_lock_of_hiddev [2022-12-14 10:54:20,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_list_lock_of_hiddev [2022-12-14 10:54:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-12-14 10:54:20,329 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-12-14 10:54:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure hid_post_reset [2022-12-14 10:54:20,329 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_post_reset [2022-12-14 10:54:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_get_power [2022-12-14 10:54:20,330 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_get_power [2022-12-14 10:54:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 10:54:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_119 [2022-12-14 10:54:20,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_119 [2022-12-14 10:54:21,093 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 10:54:21,097 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 10:54:21,322 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 10:54:35,196 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 10:54:36,234 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 10:54:36,234 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-14 10:54:36,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:54:36 BoogieIcfgContainer [2022-12-14 10:54:36,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 10:54:36,240 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 10:54:36,240 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 10:54:36,243 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 10:54:36,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 10:54:15" (1/3) ... [2022-12-14 10:54:36,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b280558 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:54:36, skipping insertion in model container [2022-12-14 10:54:36,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:54:19" (2/3) ... [2022-12-14 10:54:36,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b280558 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:54:36, skipping insertion in model container [2022-12-14 10:54:36,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:54:36" (3/3) ... [2022-12-14 10:54:36,244 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i [2022-12-14 10:54:36,259 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 10:54:36,260 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2022-12-14 10:54:36,335 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 10:54:36,339 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;@711e7fa4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 10:54:36,340 INFO L358 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2022-12-14 10:54:36,348 INFO L276 IsEmpty]: Start isEmpty. Operand has 2395 states, 1409 states have (on average 1.3364088005677786) internal successors, (1883), 1501 states have internal predecessors, (1883), 768 states have call successors, (768), 186 states have call predecessors, (768), 185 states have return successors, (762), 755 states have call predecessors, (762), 762 states have call successors, (762) [2022-12-14 10:54:36,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 10:54:36,355 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:54:36,355 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] [2022-12-14 10:54:36,355 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 10:54:36,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:54:36,359 INFO L85 PathProgramCache]: Analyzing trace with hash 2000653050, now seen corresponding path program 1 times [2022-12-14 10:54:36,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:54:36,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942067372] [2022-12-14 10:54:36,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:54:36,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:54:36,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:54:37,824 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 10:54:37,825 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:54:37,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942067372] [2022-12-14 10:54:37,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942067372] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:54:37,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:54:37,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 10:54:37,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467760123] [2022-12-14 10:54:37,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:54:37,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 10:54:37,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:54:37,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 10:54:37,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 10:54:37,858 INFO L87 Difference]: Start difference. First operand has 2395 states, 1409 states have (on average 1.3364088005677786) internal successors, (1883), 1501 states have internal predecessors, (1883), 768 states have call successors, (768), 186 states have call predecessors, (768), 185 states have return successors, (762), 755 states have call predecessors, (762), 762 states have call successors, (762) Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 10:54:40,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:54:41,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:54:47,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:54:47,956 INFO L93 Difference]: Finished difference Result 4943 states and 7256 transitions. [2022-12-14 10:54:47,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 10:54:47,958 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2022-12-14 10:54:47,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:54:47,977 INFO L225 Difference]: With dead ends: 4943 [2022-12-14 10:54:47,977 INFO L226 Difference]: Without dead ends: 2540 [2022-12-14 10:54:47,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-12-14 10:54:47,991 INFO L413 NwaCegarLoop]: 3036 mSDtfsCounter, 3329 mSDsluCounter, 7768 mSDsCounter, 0 mSdLazyCounter, 3086 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3338 SdHoareTripleChecker+Valid, 10804 SdHoareTripleChecker+Invalid, 3088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3086 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-12-14 10:54:47,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3338 Valid, 10804 Invalid, 3088 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3086 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2022-12-14 10:54:48,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2540 states. [2022-12-14 10:54:48,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2540 to 2523. [2022-12-14 10:54:48,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2523 states, 1480 states have (on average 1.3033783783783783) internal successors, (1929), 1571 states have internal predecessors, (1929), 799 states have call successors, (799), 214 states have call predecessors, (799), 211 states have return successors, (800), 786 states have call predecessors, (800), 797 states have call successors, (800) [2022-12-14 10:54:48,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2523 states to 2523 states and 3528 transitions. [2022-12-14 10:54:48,135 INFO L78 Accepts]: Start accepts. Automaton has 2523 states and 3528 transitions. Word has length 22 [2022-12-14 10:54:48,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:54:48,135 INFO L495 AbstractCegarLoop]: Abstraction has 2523 states and 3528 transitions. [2022-12-14 10:54:48,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 10:54:48,135 INFO L276 IsEmpty]: Start isEmpty. Operand 2523 states and 3528 transitions. [2022-12-14 10:54:48,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 10:54:48,136 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:54:48,137 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] [2022-12-14 10:54:48,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 10:54:48,137 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 10:54:48,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:54:48,137 INFO L85 PathProgramCache]: Analyzing trace with hash 196362702, now seen corresponding path program 1 times [2022-12-14 10:54:48,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:54:48,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930387919] [2022-12-14 10:54:48,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:54:48,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:54:48,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:54:48,458 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 10:54:48,458 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:54:48,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930387919] [2022-12-14 10:54:48,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930387919] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:54:48,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:54:48,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:54:48,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013840406] [2022-12-14 10:54:48,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:54:48,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:54:48,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:54:48,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:54:48,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:54:48,462 INFO L87 Difference]: Start difference. First operand 2523 states and 3528 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-14 10:54:50,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:54:50,731 INFO L93 Difference]: Finished difference Result 5037 states and 7143 transitions. [2022-12-14 10:54:50,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:54:50,732 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28 [2022-12-14 10:54:50,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:54:50,745 INFO L225 Difference]: With dead ends: 5037 [2022-12-14 10:54:50,745 INFO L226 Difference]: Without dead ends: 2517 [2022-12-14 10:54:50,754 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 10:54:50,754 INFO L413 NwaCegarLoop]: 2960 mSDtfsCounter, 3328 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3328 SdHoareTripleChecker+Valid, 2960 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-14 10:54:50,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3328 Valid, 2960 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-14 10:54:50,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2517 states. [2022-12-14 10:54:50,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2517 to 2517. [2022-12-14 10:54:50,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2517 states, 1475 states have (on average 1.3016949152542372) internal successors, (1920), 1565 states have internal predecessors, (1920), 799 states have call successors, (799), 214 states have call predecessors, (799), 211 states have return successors, (800), 786 states have call predecessors, (800), 797 states have call successors, (800) [2022-12-14 10:54:50,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2517 states to 2517 states and 3519 transitions. [2022-12-14 10:54:50,885 INFO L78 Accepts]: Start accepts. Automaton has 2517 states and 3519 transitions. Word has length 28 [2022-12-14 10:54:50,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:54:50,885 INFO L495 AbstractCegarLoop]: Abstraction has 2517 states and 3519 transitions. [2022-12-14 10:54:50,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-14 10:54:50,885 INFO L276 IsEmpty]: Start isEmpty. Operand 2517 states and 3519 transitions. [2022-12-14 10:54:50,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 10:54:50,886 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:54:50,886 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:54:50,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 10:54:50,886 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 10:54:50,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:54:50,887 INFO L85 PathProgramCache]: Analyzing trace with hash -19119652, now seen corresponding path program 1 times [2022-12-14 10:54:50,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:54:50,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775772940] [2022-12-14 10:54:50,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:54:50,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:54:50,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:54:51,150 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 10:54:51,150 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:54:51,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775772940] [2022-12-14 10:54:51,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775772940] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:54:51,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:54:51,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:54:51,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814409639] [2022-12-14 10:54:51,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:54:51,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:54:51,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:54:51,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:54:51,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:54:51,152 INFO L87 Difference]: Start difference. First operand 2517 states and 3519 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 10:54:54,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:54:54,440 INFO L93 Difference]: Finished difference Result 5108 states and 7184 transitions. [2022-12-14 10:54:54,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:54:54,440 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), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 41 [2022-12-14 10:54:54,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:54:54,455 INFO L225 Difference]: With dead ends: 5108 [2022-12-14 10:54:54,455 INFO L226 Difference]: Without dead ends: 2846 [2022-12-14 10:54:54,461 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 10:54:54,462 INFO L413 NwaCegarLoop]: 3155 mSDtfsCounter, 338 mSDsluCounter, 2851 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 535 SdHoareTripleChecker+Valid, 6006 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-12-14 10:54:54,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [535 Valid, 6006 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-12-14 10:54:54,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2846 states. [2022-12-14 10:54:54,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2846 to 2517. [2022-12-14 10:54:54,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2517 states, 1475 states have (on average 1.3010169491525423) internal successors, (1919), 1564 states have internal predecessors, (1919), 799 states have call successors, (799), 214 states have call predecessors, (799), 211 states have return successors, (800), 786 states have call predecessors, (800), 797 states have call successors, (800) [2022-12-14 10:54:54,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2517 states to 2517 states and 3518 transitions. [2022-12-14 10:54:54,560 INFO L78 Accepts]: Start accepts. Automaton has 2517 states and 3518 transitions. Word has length 41 [2022-12-14 10:54:54,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:54:54,560 INFO L495 AbstractCegarLoop]: Abstraction has 2517 states and 3518 transitions. [2022-12-14 10:54:54,560 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), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 10:54:54,561 INFO L276 IsEmpty]: Start isEmpty. Operand 2517 states and 3518 transitions. [2022-12-14 10:54:54,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-14 10:54:54,563 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:54:54,563 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:54:54,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 10:54:54,563 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 10:54:54,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:54:54,564 INFO L85 PathProgramCache]: Analyzing trace with hash -145112193, now seen corresponding path program 1 times [2022-12-14 10:54:54,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:54:54,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300159565] [2022-12-14 10:54:54,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:54:54,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:54:54,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:54:55,076 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 10:54:55,076 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:54:55,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300159565] [2022-12-14 10:54:55,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300159565] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:54:55,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:54:55,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:54:55,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096388934] [2022-12-14 10:54:55,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:54:55,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:54:55,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:54:55,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:54:55,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:54:55,078 INFO L87 Difference]: Start difference. First operand 2517 states and 3518 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 10:54:58,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:54:58,275 INFO L93 Difference]: Finished difference Result 2517 states and 3518 transitions. [2022-12-14 10:54:58,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:54:58,275 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 56 [2022-12-14 10:54:58,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:54:58,286 INFO L225 Difference]: With dead ends: 2517 [2022-12-14 10:54:58,286 INFO L226 Difference]: Without dead ends: 2515 [2022-12-14 10:54:58,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:54:58,287 INFO L413 NwaCegarLoop]: 2957 mSDtfsCounter, 3312 mSDsluCounter, 2957 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3314 SdHoareTripleChecker+Valid, 5914 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-12-14 10:54:58,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3314 Valid, 5914 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-12-14 10:54:58,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2515 states. [2022-12-14 10:54:58,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2515 to 2515. [2022-12-14 10:54:58,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2515 states, 1474 states have (on average 1.3005427408412482) internal successors, (1917), 1562 states have internal predecessors, (1917), 799 states have call successors, (799), 214 states have call predecessors, (799), 211 states have return successors, (800), 786 states have call predecessors, (800), 797 states have call successors, (800) [2022-12-14 10:54:58,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2515 states to 2515 states and 3516 transitions. [2022-12-14 10:54:58,379 INFO L78 Accepts]: Start accepts. Automaton has 2515 states and 3516 transitions. Word has length 56 [2022-12-14 10:54:58,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:54:58,379 INFO L495 AbstractCegarLoop]: Abstraction has 2515 states and 3516 transitions. [2022-12-14 10:54:58,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 10:54:58,380 INFO L276 IsEmpty]: Start isEmpty. Operand 2515 states and 3516 transitions. [2022-12-14 10:54:58,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-12-14 10:54:58,381 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:54:58,382 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:54:58,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 10:54:58,382 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 10:54:58,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:54:58,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1514918203, now seen corresponding path program 1 times [2022-12-14 10:54:58,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:54:58,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139389273] [2022-12-14 10:54:58,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:54:58,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:54:58,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:54:58,822 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 10:54:58,822 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:54:58,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139389273] [2022-12-14 10:54:58,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139389273] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:54:58,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:54:58,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:54:58,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038065982] [2022-12-14 10:54:58,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:54:58,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:54:58,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:54:58,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:54:58,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:54:58,824 INFO L87 Difference]: Start difference. First operand 2515 states and 3516 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 10:55:03,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:55:03,134 INFO L93 Difference]: Finished difference Result 2515 states and 3516 transitions. [2022-12-14 10:55:03,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:55:03,134 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 61 [2022-12-14 10:55:03,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:55:03,144 INFO L225 Difference]: With dead ends: 2515 [2022-12-14 10:55:03,144 INFO L226 Difference]: Without dead ends: 2513 [2022-12-14 10:55:03,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:55:03,145 INFO L413 NwaCegarLoop]: 2955 mSDtfsCounter, 3309 mSDsluCounter, 2955 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3311 SdHoareTripleChecker+Valid, 5910 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-12-14 10:55:03,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3311 Valid, 5910 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-12-14 10:55:03,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2513 states. [2022-12-14 10:55:03,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2513 to 2513. [2022-12-14 10:55:03,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2513 states, 1473 states have (on average 1.3000678886625934) internal successors, (1915), 1560 states have internal predecessors, (1915), 799 states have call successors, (799), 214 states have call predecessors, (799), 211 states have return successors, (800), 786 states have call predecessors, (800), 797 states have call successors, (800) [2022-12-14 10:55:03,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2513 states to 2513 states and 3514 transitions. [2022-12-14 10:55:03,269 INFO L78 Accepts]: Start accepts. Automaton has 2513 states and 3514 transitions. Word has length 61 [2022-12-14 10:55:03,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:55:03,270 INFO L495 AbstractCegarLoop]: Abstraction has 2513 states and 3514 transitions. [2022-12-14 10:55:03,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 10:55:03,270 INFO L276 IsEmpty]: Start isEmpty. Operand 2513 states and 3514 transitions. [2022-12-14 10:55:03,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-14 10:55:03,271 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:55:03,271 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:55:03,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 10:55:03,271 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 10:55:03,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:55:03,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1902962874, now seen corresponding path program 1 times [2022-12-14 10:55:03,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:55:03,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542975023] [2022-12-14 10:55:03,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:55:03,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:55:03,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:55:03,640 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 10:55:03,640 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:55:03,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542975023] [2022-12-14 10:55:03,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542975023] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:55:03,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:55:03,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:55:03,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264829868] [2022-12-14 10:55:03,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:55:03,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:55:03,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:55:03,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:55:03,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:55:03,642 INFO L87 Difference]: Start difference. First operand 2513 states and 3514 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 10:55:07,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:55:07,473 INFO L93 Difference]: Finished difference Result 2513 states and 3514 transitions. [2022-12-14 10:55:07,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:55:07,473 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 66 [2022-12-14 10:55:07,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:55:07,481 INFO L225 Difference]: With dead ends: 2513 [2022-12-14 10:55:07,481 INFO L226 Difference]: Without dead ends: 2511 [2022-12-14 10:55:07,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:55:07,483 INFO L413 NwaCegarLoop]: 2953 mSDtfsCounter, 3306 mSDsluCounter, 2953 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3308 SdHoareTripleChecker+Valid, 5906 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-12-14 10:55:07,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3308 Valid, 5906 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-12-14 10:55:07,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2511 states. [2022-12-14 10:55:07,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2511 to 2511. [2022-12-14 10:55:07,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2511 states, 1472 states have (on average 1.299592391304348) internal successors, (1913), 1558 states have internal predecessors, (1913), 799 states have call successors, (799), 214 states have call predecessors, (799), 211 states have return successors, (800), 786 states have call predecessors, (800), 797 states have call successors, (800) [2022-12-14 10:55:07,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2511 states to 2511 states and 3512 transitions. [2022-12-14 10:55:07,593 INFO L78 Accepts]: Start accepts. Automaton has 2511 states and 3512 transitions. Word has length 66 [2022-12-14 10:55:07,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:55:07,593 INFO L495 AbstractCegarLoop]: Abstraction has 2511 states and 3512 transitions. [2022-12-14 10:55:07,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 10:55:07,594 INFO L276 IsEmpty]: Start isEmpty. Operand 2511 states and 3512 transitions. [2022-12-14 10:55:07,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-14 10:55:07,595 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:55:07,595 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:55:07,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 10:55:07,595 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 10:55:07,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:55:07,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1199014520, now seen corresponding path program 1 times [2022-12-14 10:55:07,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:55:07,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42398281] [2022-12-14 10:55:07,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:55:07,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:55:07,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:55:07,922 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 10:55:07,922 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:55:07,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42398281] [2022-12-14 10:55:07,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42398281] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:55:07,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:55:07,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:55:07,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814451348] [2022-12-14 10:55:07,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:55:07,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:55:07,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:55:07,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:55:07,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:55:07,924 INFO L87 Difference]: Start difference. First operand 2511 states and 3512 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-14 10:55:11,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:55:11,421 INFO L93 Difference]: Finished difference Result 2511 states and 3512 transitions. [2022-12-14 10:55:11,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:55:11,422 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 71 [2022-12-14 10:55:11,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:55:11,429 INFO L225 Difference]: With dead ends: 2511 [2022-12-14 10:55:11,429 INFO L226 Difference]: Without dead ends: 2509 [2022-12-14 10:55:11,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:55:11,431 INFO L413 NwaCegarLoop]: 2951 mSDtfsCounter, 3303 mSDsluCounter, 2951 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3305 SdHoareTripleChecker+Valid, 5902 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-12-14 10:55:11,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3305 Valid, 5902 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-12-14 10:55:11,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2509 states. [2022-12-14 10:55:11,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2509 to 2509. [2022-12-14 10:55:11,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2509 states, 1471 states have (on average 1.2991162474507139) internal successors, (1911), 1556 states have internal predecessors, (1911), 799 states have call successors, (799), 214 states have call predecessors, (799), 211 states have return successors, (800), 786 states have call predecessors, (800), 797 states have call successors, (800) [2022-12-14 10:55:11,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2509 states to 2509 states and 3510 transitions. [2022-12-14 10:55:11,538 INFO L78 Accepts]: Start accepts. Automaton has 2509 states and 3510 transitions. Word has length 71 [2022-12-14 10:55:11,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:55:11,539 INFO L495 AbstractCegarLoop]: Abstraction has 2509 states and 3510 transitions. [2022-12-14 10:55:11,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-14 10:55:11,539 INFO L276 IsEmpty]: Start isEmpty. Operand 2509 states and 3510 transitions. [2022-12-14 10:55:11,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-12-14 10:55:11,540 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:55:11,540 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:55:11,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 10:55:11,541 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 10:55:11,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:55:11,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1279550370, now seen corresponding path program 1 times [2022-12-14 10:55:11,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:55:11,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770569197] [2022-12-14 10:55:11,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:55:11,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:55:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:55:11,895 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 10:55:11,896 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:55:11,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770569197] [2022-12-14 10:55:11,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770569197] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:55:11,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:55:11,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:55:11,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841890979] [2022-12-14 10:55:11,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:55:11,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:55:11,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:55:11,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:55:11,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:55:11,897 INFO L87 Difference]: Start difference. First operand 2509 states and 3510 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 10:55:15,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:55:15,737 INFO L93 Difference]: Finished difference Result 2509 states and 3510 transitions. [2022-12-14 10:55:15,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:55:15,738 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 76 [2022-12-14 10:55:15,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:55:15,745 INFO L225 Difference]: With dead ends: 2509 [2022-12-14 10:55:15,745 INFO L226 Difference]: Without dead ends: 2507 [2022-12-14 10:55:15,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:55:15,746 INFO L413 NwaCegarLoop]: 2949 mSDtfsCounter, 3300 mSDsluCounter, 2949 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3302 SdHoareTripleChecker+Valid, 5898 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-12-14 10:55:15,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3302 Valid, 5898 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-12-14 10:55:15,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2507 states. [2022-12-14 10:55:15,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2507 to 2507. [2022-12-14 10:55:15,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2507 states, 1470 states have (on average 1.2986394557823129) internal successors, (1909), 1554 states have internal predecessors, (1909), 799 states have call successors, (799), 214 states have call predecessors, (799), 211 states have return successors, (800), 786 states have call predecessors, (800), 797 states have call successors, (800) [2022-12-14 10:55:15,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2507 states to 2507 states and 3508 transitions. [2022-12-14 10:55:15,857 INFO L78 Accepts]: Start accepts. Automaton has 2507 states and 3508 transitions. Word has length 76 [2022-12-14 10:55:15,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:55:15,857 INFO L495 AbstractCegarLoop]: Abstraction has 2507 states and 3508 transitions. [2022-12-14 10:55:15,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 10:55:15,857 INFO L276 IsEmpty]: Start isEmpty. Operand 2507 states and 3508 transitions. [2022-12-14 10:55:15,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-14 10:55:15,858 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:55:15,858 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:55:15,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 10:55:15,858 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 10:55:15,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:55:15,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1281527490, now seen corresponding path program 1 times [2022-12-14 10:55:15,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:55:15,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853595028] [2022-12-14 10:55:15,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:55:15,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:55:15,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:55:16,215 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 10:55:16,216 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:55:16,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853595028] [2022-12-14 10:55:16,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853595028] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:55:16,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:55:16,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:55:16,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934265813] [2022-12-14 10:55:16,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:55:16,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:55:16,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:55:16,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:55:16,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:55:16,217 INFO L87 Difference]: Start difference. First operand 2507 states and 3508 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 10:55:19,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:55:22,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:55:22,237 INFO L93 Difference]: Finished difference Result 2507 states and 3508 transitions. [2022-12-14 10:55:22,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:55:22,237 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 81 [2022-12-14 10:55:22,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:55:22,245 INFO L225 Difference]: With dead ends: 2507 [2022-12-14 10:55:22,246 INFO L226 Difference]: Without dead ends: 2505 [2022-12-14 10:55:22,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:55:22,247 INFO L413 NwaCegarLoop]: 2947 mSDtfsCounter, 3297 mSDsluCounter, 2947 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3299 SdHoareTripleChecker+Valid, 5894 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-12-14 10:55:22,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3299 Valid, 5894 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-12-14 10:55:22,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2505 states. [2022-12-14 10:55:22,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2505 to 2505. [2022-12-14 10:55:22,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2505 states, 1469 states have (on average 1.2981620149761743) internal successors, (1907), 1552 states have internal predecessors, (1907), 799 states have call successors, (799), 214 states have call predecessors, (799), 211 states have return successors, (800), 786 states have call predecessors, (800), 797 states have call successors, (800) [2022-12-14 10:55:22,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2505 states to 2505 states and 3506 transitions. [2022-12-14 10:55:22,362 INFO L78 Accepts]: Start accepts. Automaton has 2505 states and 3506 transitions. Word has length 81 [2022-12-14 10:55:22,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:55:22,362 INFO L495 AbstractCegarLoop]: Abstraction has 2505 states and 3506 transitions. [2022-12-14 10:55:22,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 10:55:22,362 INFO L276 IsEmpty]: Start isEmpty. Operand 2505 states and 3506 transitions. [2022-12-14 10:55:22,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-14 10:55:22,363 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:55:22,364 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:55:22,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 10:55:22,364 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 10:55:22,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:55:22,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1400710856, now seen corresponding path program 1 times [2022-12-14 10:55:22,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:55:22,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40081571] [2022-12-14 10:55:22,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:55:22,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:55:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:55:22,681 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 10:55:22,681 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:55:22,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40081571] [2022-12-14 10:55:22,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40081571] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:55:22,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:55:22,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:55:22,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874478364] [2022-12-14 10:55:22,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:55:22,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:55:22,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:55:22,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:55:22,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:55:22,682 INFO L87 Difference]: Start difference. First operand 2505 states and 3506 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 10:55:26,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:55:26,768 INFO L93 Difference]: Finished difference Result 2505 states and 3506 transitions. [2022-12-14 10:55:26,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:55:26,769 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 86 [2022-12-14 10:55:26,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:55:26,776 INFO L225 Difference]: With dead ends: 2505 [2022-12-14 10:55:26,776 INFO L226 Difference]: Without dead ends: 2503 [2022-12-14 10:55:26,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:55:26,778 INFO L413 NwaCegarLoop]: 2945 mSDtfsCounter, 3294 mSDsluCounter, 2945 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3296 SdHoareTripleChecker+Valid, 5890 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-12-14 10:55:26,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3296 Valid, 5890 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-12-14 10:55:26,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2503 states. [2022-12-14 10:55:26,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2503 to 2503. [2022-12-14 10:55:26,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2503 states, 1468 states have (on average 1.297683923705722) internal successors, (1905), 1550 states have internal predecessors, (1905), 799 states have call successors, (799), 214 states have call predecessors, (799), 211 states have return successors, (800), 786 states have call predecessors, (800), 797 states have call successors, (800) [2022-12-14 10:55:26,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2503 states to 2503 states and 3504 transitions. [2022-12-14 10:55:26,944 INFO L78 Accepts]: Start accepts. Automaton has 2503 states and 3504 transitions. Word has length 86 [2022-12-14 10:55:26,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:55:26,945 INFO L495 AbstractCegarLoop]: Abstraction has 2503 states and 3504 transitions. [2022-12-14 10:55:26,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 10:55:26,945 INFO L276 IsEmpty]: Start isEmpty. Operand 2503 states and 3504 transitions. [2022-12-14 10:55:26,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-12-14 10:55:26,946 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:55:26,946 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:55:26,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 10:55:26,946 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 10:55:26,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:55:26,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1444050722, now seen corresponding path program 1 times [2022-12-14 10:55:26,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:55:26,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552917066] [2022-12-14 10:55:26,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:55:26,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:55:27,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:55:27,242 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 10:55:27,242 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:55:27,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552917066] [2022-12-14 10:55:27,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552917066] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:55:27,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:55:27,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:55:27,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932090519] [2022-12-14 10:55:27,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:55:27,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:55:27,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:55:27,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:55:27,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:55:27,243 INFO L87 Difference]: Start difference. First operand 2503 states and 3504 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 10:55:30,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:55:30,954 INFO L93 Difference]: Finished difference Result 2503 states and 3504 transitions. [2022-12-14 10:55:30,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:55:30,955 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 91 [2022-12-14 10:55:30,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:55:30,962 INFO L225 Difference]: With dead ends: 2503 [2022-12-14 10:55:30,962 INFO L226 Difference]: Without dead ends: 2501 [2022-12-14 10:55:30,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:55:30,963 INFO L413 NwaCegarLoop]: 2943 mSDtfsCounter, 3295 mSDsluCounter, 2939 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3297 SdHoareTripleChecker+Valid, 5882 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-12-14 10:55:30,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3297 Valid, 5882 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-12-14 10:55:30,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2501 states. [2022-12-14 10:55:31,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2501 to 2501. [2022-12-14 10:55:31,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2501 states, 1467 states have (on average 1.2972051806407634) internal successors, (1903), 1548 states have internal predecessors, (1903), 799 states have call successors, (799), 214 states have call predecessors, (799), 211 states have return successors, (800), 786 states have call predecessors, (800), 797 states have call successors, (800) [2022-12-14 10:55:31,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2501 states to 2501 states and 3502 transitions. [2022-12-14 10:55:31,086 INFO L78 Accepts]: Start accepts. Automaton has 2501 states and 3502 transitions. Word has length 91 [2022-12-14 10:55:31,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:55:31,087 INFO L495 AbstractCegarLoop]: Abstraction has 2501 states and 3502 transitions. [2022-12-14 10:55:31,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 10:55:31,087 INFO L276 IsEmpty]: Start isEmpty. Operand 2501 states and 3502 transitions. [2022-12-14 10:55:31,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-12-14 10:55:31,088 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:55:31,088 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:55:31,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 10:55:31,088 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 10:55:31,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:55:31,088 INFO L85 PathProgramCache]: Analyzing trace with hash -458086143, now seen corresponding path program 1 times [2022-12-14 10:55:31,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:55:31,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566536829] [2022-12-14 10:55:31,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:55:31,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:55:31,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:55:31,390 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 10:55:31,390 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:55:31,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566536829] [2022-12-14 10:55:31,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566536829] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:55:31,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:55:31,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:55:31,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004221893] [2022-12-14 10:55:31,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:55:31,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:55:31,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:55:31,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:55:31,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:55:31,391 INFO L87 Difference]: Start difference. First operand 2501 states and 3502 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 10:55:33,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:55:36,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:55:36,229 INFO L93 Difference]: Finished difference Result 2501 states and 3502 transitions. [2022-12-14 10:55:36,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:55:36,229 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 93 [2022-12-14 10:55:36,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:55:36,237 INFO L225 Difference]: With dead ends: 2501 [2022-12-14 10:55:36,237 INFO L226 Difference]: Without dead ends: 2499 [2022-12-14 10:55:36,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:55:36,238 INFO L413 NwaCegarLoop]: 2941 mSDtfsCounter, 3287 mSDsluCounter, 2941 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3289 SdHoareTripleChecker+Valid, 5882 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-12-14 10:55:36,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3289 Valid, 5882 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-12-14 10:55:36,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2499 states. [2022-12-14 10:55:36,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2499 to 2499. [2022-12-14 10:55:36,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2499 states, 1466 states have (on average 1.2967257844474762) internal successors, (1901), 1546 states have internal predecessors, (1901), 799 states have call successors, (799), 214 states have call predecessors, (799), 211 states have return successors, (800), 786 states have call predecessors, (800), 797 states have call successors, (800) [2022-12-14 10:55:36,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2499 states to 2499 states and 3500 transitions. [2022-12-14 10:55:36,374 INFO L78 Accepts]: Start accepts. Automaton has 2499 states and 3500 transitions. Word has length 93 [2022-12-14 10:55:36,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:55:36,374 INFO L495 AbstractCegarLoop]: Abstraction has 2499 states and 3500 transitions. [2022-12-14 10:55:36,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 10:55:36,374 INFO L276 IsEmpty]: Start isEmpty. Operand 2499 states and 3500 transitions. [2022-12-14 10:55:36,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-12-14 10:55:36,375 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:55:36,375 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:55:36,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 10:55:36,375 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 10:55:36,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:55:36,376 INFO L85 PathProgramCache]: Analyzing trace with hash 677995938, now seen corresponding path program 1 times [2022-12-14 10:55:36,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:55:36,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100839150] [2022-12-14 10:55:36,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:55:36,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:55:36,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:55:36,675 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 10:55:36,675 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:55:36,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100839150] [2022-12-14 10:55:36,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100839150] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:55:36,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:55:36,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:55:36,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653285305] [2022-12-14 10:55:36,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:55:36,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:55:36,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:55:36,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:55:36,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:55:36,676 INFO L87 Difference]: Start difference. First operand 2499 states and 3500 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 10:55:40,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:55:41,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:55:41,035 INFO L93 Difference]: Finished difference Result 2499 states and 3500 transitions. [2022-12-14 10:55:41,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:55:41,035 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 98 [2022-12-14 10:55:41,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:55:41,041 INFO L225 Difference]: With dead ends: 2499 [2022-12-14 10:55:41,041 INFO L226 Difference]: Without dead ends: 2497 [2022-12-14 10:55:41,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:55:41,042 INFO L413 NwaCegarLoop]: 2939 mSDtfsCounter, 3286 mSDsluCounter, 2939 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3288 SdHoareTripleChecker+Valid, 5878 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-12-14 10:55:41,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3288 Valid, 5878 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-12-14 10:55:41,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2497 states. [2022-12-14 10:55:41,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2497 to 2497. [2022-12-14 10:55:41,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2497 states, 1465 states have (on average 1.296245733788396) internal successors, (1899), 1544 states have internal predecessors, (1899), 799 states have call successors, (799), 214 states have call predecessors, (799), 211 states have return successors, (800), 786 states have call predecessors, (800), 797 states have call successors, (800) [2022-12-14 10:55:41,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2497 states to 2497 states and 3498 transitions. [2022-12-14 10:55:41,184 INFO L78 Accepts]: Start accepts. Automaton has 2497 states and 3498 transitions. Word has length 98 [2022-12-14 10:55:41,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:55:41,184 INFO L495 AbstractCegarLoop]: Abstraction has 2497 states and 3498 transitions. [2022-12-14 10:55:41,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 10:55:41,184 INFO L276 IsEmpty]: Start isEmpty. Operand 2497 states and 3498 transitions. [2022-12-14 10:55:41,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-12-14 10:55:41,185 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:55:41,186 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:55:41,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 10:55:41,186 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 10:55:41,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:55:41,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1203577053, now seen corresponding path program 1 times [2022-12-14 10:55:41,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:55:41,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317597842] [2022-12-14 10:55:41,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:55:41,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:55:41,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:55:41,487 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-12-14 10:55:41,487 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:55:41,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317597842] [2022-12-14 10:55:41,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317597842] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:55:41,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:55:41,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:55:41,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003059854] [2022-12-14 10:55:41,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:55:41,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:55:41,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:55:41,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:55:41,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:55:41,489 INFO L87 Difference]: Start difference. First operand 2497 states and 3498 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 10:55:43,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:55:43,701 INFO L93 Difference]: Finished difference Result 4878 states and 6824 transitions. [2022-12-14 10:55:43,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:55:43,702 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 129 [2022-12-14 10:55:43,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:55:43,708 INFO L225 Difference]: With dead ends: 4878 [2022-12-14 10:55:43,708 INFO L226 Difference]: Without dead ends: 2493 [2022-12-14 10:55:43,713 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 10:55:43,713 INFO L413 NwaCegarLoop]: 2935 mSDtfsCounter, 3305 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3305 SdHoareTripleChecker+Valid, 2935 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-12-14 10:55:43,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3305 Valid, 2935 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-12-14 10:55:43,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2493 states. [2022-12-14 10:55:43,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2493 to 2493. [2022-12-14 10:55:43,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2493 states, 1462 states have (on average 1.2954856361149112) internal successors, (1894), 1540 states have internal predecessors, (1894), 799 states have call successors, (799), 214 states have call predecessors, (799), 211 states have return successors, (800), 786 states have call predecessors, (800), 797 states have call successors, (800) [2022-12-14 10:55:43,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2493 states and 3493 transitions. [2022-12-14 10:55:43,869 INFO L78 Accepts]: Start accepts. Automaton has 2493 states and 3493 transitions. Word has length 129 [2022-12-14 10:55:43,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:55:43,869 INFO L495 AbstractCegarLoop]: Abstraction has 2493 states and 3493 transitions. [2022-12-14 10:55:43,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 10:55:43,869 INFO L276 IsEmpty]: Start isEmpty. Operand 2493 states and 3493 transitions. [2022-12-14 10:55:43,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-12-14 10:55:43,870 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:55:43,870 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:55:43,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 10:55:43,870 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 10:55:43,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:55:43,871 INFO L85 PathProgramCache]: Analyzing trace with hash 2115245990, now seen corresponding path program 1 times [2022-12-14 10:55:43,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:55:43,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146501051] [2022-12-14 10:55:43,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:55:43,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:55:43,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:55:44,216 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 10:55:44,217 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:55:44,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146501051] [2022-12-14 10:55:44,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146501051] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:55:44,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:55:44,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:55:44,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751089973] [2022-12-14 10:55:44,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:55:44,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:55:44,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:55:44,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:55:44,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:55:44,218 INFO L87 Difference]: Start difference. First operand 2493 states and 3493 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 10:55:48,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:55:48,093 INFO L93 Difference]: Finished difference Result 2493 states and 3493 transitions. [2022-12-14 10:55:48,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:55:48,094 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 103 [2022-12-14 10:55:48,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:55:48,100 INFO L225 Difference]: With dead ends: 2493 [2022-12-14 10:55:48,100 INFO L226 Difference]: Without dead ends: 2491 [2022-12-14 10:55:48,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:55:48,101 INFO L413 NwaCegarLoop]: 2932 mSDtfsCounter, 3278 mSDsluCounter, 2932 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3280 SdHoareTripleChecker+Valid, 5864 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-12-14 10:55:48,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3280 Valid, 5864 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-12-14 10:55:48,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2491 states. [2022-12-14 10:55:48,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2491 to 2491. [2022-12-14 10:55:48,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2491 states, 1461 states have (on average 1.2950034223134839) internal successors, (1892), 1538 states have internal predecessors, (1892), 799 states have call successors, (799), 214 states have call predecessors, (799), 211 states have return successors, (800), 786 states have call predecessors, (800), 797 states have call successors, (800) [2022-12-14 10:55:48,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2491 states to 2491 states and 3491 transitions. [2022-12-14 10:55:48,257 INFO L78 Accepts]: Start accepts. Automaton has 2491 states and 3491 transitions. Word has length 103 [2022-12-14 10:55:48,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:55:48,257 INFO L495 AbstractCegarLoop]: Abstraction has 2491 states and 3491 transitions. [2022-12-14 10:55:48,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 10:55:48,257 INFO L276 IsEmpty]: Start isEmpty. Operand 2491 states and 3491 transitions. [2022-12-14 10:55:48,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-12-14 10:55:48,258 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:55:48,258 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:55:48,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 10:55:48,258 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 10:55:48,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:55:48,259 INFO L85 PathProgramCache]: Analyzing trace with hash -289763418, now seen corresponding path program 1 times [2022-12-14 10:55:48,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:55:48,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373281715] [2022-12-14 10:55:48,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:55:48,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:55:48,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:55:48,583 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2022-12-14 10:55:48,583 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:55:48,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373281715] [2022-12-14 10:55:48,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373281715] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 10:55:48,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1762861131] [2022-12-14 10:55:48,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:55:48,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:55:48,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:55:48,585 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:55:48,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 10:55:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:55:49,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 4371 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 10:55:49,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:55:49,477 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-12-14 10:55:49,477 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 10:55:49,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1762861131] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:55:49,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 10:55:49,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-12-14 10:55:49,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327294295] [2022-12-14 10:55:49,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:55:49,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:55:49,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:55:49,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:55:49,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-14 10:55:49,478 INFO L87 Difference]: Start difference. First operand 2491 states and 3491 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 10:55:52,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:55:52,104 INFO L93 Difference]: Finished difference Result 4907 states and 6851 transitions. [2022-12-14 10:55:52,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:55:52,104 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 134 [2022-12-14 10:55:52,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:55:52,111 INFO L225 Difference]: With dead ends: 4907 [2022-12-14 10:55:52,111 INFO L226 Difference]: Without dead ends: 2531 [2022-12-14 10:55:52,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-14 10:55:52,117 INFO L413 NwaCegarLoop]: 2958 mSDtfsCounter, 3254 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3254 SdHoareTripleChecker+Valid, 3026 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-14 10:55:52,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3254 Valid, 3026 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-14 10:55:52,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2531 states. [2022-12-14 10:55:52,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2531 to 2529. [2022-12-14 10:55:52,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2529 states, 1480 states have (on average 1.2912162162162162) internal successors, (1911), 1557 states have internal predecessors, (1911), 808 states have call successors, (808), 225 states have call predecessors, (808), 222 states have return successors, (809), 794 states have call predecessors, (809), 806 states have call successors, (809) [2022-12-14 10:55:52,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2529 states to 2529 states and 3528 transitions. [2022-12-14 10:55:52,310 INFO L78 Accepts]: Start accepts. Automaton has 2529 states and 3528 transitions. Word has length 134 [2022-12-14 10:55:52,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:55:52,310 INFO L495 AbstractCegarLoop]: Abstraction has 2529 states and 3528 transitions. [2022-12-14 10:55:52,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 10:55:52,310 INFO L276 IsEmpty]: Start isEmpty. Operand 2529 states and 3528 transitions. [2022-12-14 10:55:52,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-12-14 10:55:52,311 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:55:52,312 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:55:52,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 10:55:52,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-12-14 10:55:52,512 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 10:55:52,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:55:52,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1298797957, now seen corresponding path program 1 times [2022-12-14 10:55:52,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:55:52,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956488020] [2022-12-14 10:55:52,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:55:52,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:55:52,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:55:52,856 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 10:55:52,856 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:55:52,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956488020] [2022-12-14 10:55:52,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956488020] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:55:52,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:55:52,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:55:52,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716368483] [2022-12-14 10:55:52,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:55:52,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:55:52,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:55:52,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:55:52,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:55:52,857 INFO L87 Difference]: Start difference. First operand 2529 states and 3528 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-14 10:55:55,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:55:57,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:55:57,250 INFO L93 Difference]: Finished difference Result 2529 states and 3528 transitions. [2022-12-14 10:55:57,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:55:57,250 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 108 [2022-12-14 10:55:57,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:55:57,256 INFO L225 Difference]: With dead ends: 2529 [2022-12-14 10:55:57,257 INFO L226 Difference]: Without dead ends: 2527 [2022-12-14 10:55:57,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:55:57,258 INFO L413 NwaCegarLoop]: 2925 mSDtfsCounter, 3270 mSDsluCounter, 2925 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3272 SdHoareTripleChecker+Valid, 5850 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-12-14 10:55:57,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3272 Valid, 5850 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-12-14 10:55:57,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2527 states. [2022-12-14 10:55:57,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2527 to 2527. [2022-12-14 10:55:57,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2527 states, 1479 states have (on average 1.290736984448952) internal successors, (1909), 1555 states have internal predecessors, (1909), 808 states have call successors, (808), 225 states have call predecessors, (808), 222 states have return successors, (809), 794 states have call predecessors, (809), 806 states have call successors, (809) [2022-12-14 10:55:57,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2527 states to 2527 states and 3526 transitions. [2022-12-14 10:55:57,448 INFO L78 Accepts]: Start accepts. Automaton has 2527 states and 3526 transitions. Word has length 108 [2022-12-14 10:55:57,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:55:57,448 INFO L495 AbstractCegarLoop]: Abstraction has 2527 states and 3526 transitions. [2022-12-14 10:55:57,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-14 10:55:57,449 INFO L276 IsEmpty]: Start isEmpty. Operand 2527 states and 3526 transitions. [2022-12-14 10:55:57,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-12-14 10:55:57,450 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:55:57,450 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:55:57,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 10:55:57,450 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 10:55:57,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:55:57,451 INFO L85 PathProgramCache]: Analyzing trace with hash 752056781, now seen corresponding path program 1 times [2022-12-14 10:55:57,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:55:57,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463304869] [2022-12-14 10:55:57,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:55:57,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:55:57,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:55:57,759 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 10:55:57,759 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:55:57,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463304869] [2022-12-14 10:55:57,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463304869] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:55:57,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:55:57,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:55:57,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006947752] [2022-12-14 10:55:57,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:55:57,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:55:57,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:55:57,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:55:57,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:55:57,761 INFO L87 Difference]: Start difference. First operand 2527 states and 3526 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 10:56:00,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:56:00,903 INFO L93 Difference]: Finished difference Result 2527 states and 3526 transitions. [2022-12-14 10:56:00,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:56:00,904 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 113 [2022-12-14 10:56:00,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:56:00,909 INFO L225 Difference]: With dead ends: 2527 [2022-12-14 10:56:00,909 INFO L226 Difference]: Without dead ends: 2525 [2022-12-14 10:56:00,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:56:00,911 INFO L413 NwaCegarLoop]: 2923 mSDtfsCounter, 3267 mSDsluCounter, 2923 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3269 SdHoareTripleChecker+Valid, 5846 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-12-14 10:56:00,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3269 Valid, 5846 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-12-14 10:56:00,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2525 states. [2022-12-14 10:56:01,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2525 to 2525. [2022-12-14 10:56:01,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2525 states, 1478 states have (on average 1.2902571041948578) internal successors, (1907), 1553 states have internal predecessors, (1907), 808 states have call successors, (808), 225 states have call predecessors, (808), 222 states have return successors, (809), 794 states have call predecessors, (809), 806 states have call successors, (809) [2022-12-14 10:56:01,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2525 states to 2525 states and 3524 transitions. [2022-12-14 10:56:01,094 INFO L78 Accepts]: Start accepts. Automaton has 2525 states and 3524 transitions. Word has length 113 [2022-12-14 10:56:01,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:56:01,095 INFO L495 AbstractCegarLoop]: Abstraction has 2525 states and 3524 transitions. [2022-12-14 10:56:01,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 10:56:01,095 INFO L276 IsEmpty]: Start isEmpty. Operand 2525 states and 3524 transitions. [2022-12-14 10:56:01,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-12-14 10:56:01,096 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:56:01,096 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:56:01,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 10:56:01,096 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 10:56:01,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:56:01,097 INFO L85 PathProgramCache]: Analyzing trace with hash -561012336, now seen corresponding path program 1 times [2022-12-14 10:56:01,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:56:01,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363918107] [2022-12-14 10:56:01,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:56:01,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:56:01,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:56:01,400 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 10:56:01,401 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:56:01,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363918107] [2022-12-14 10:56:01,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363918107] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:56:01,401 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:56:01,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:56:01,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087617278] [2022-12-14 10:56:01,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:56:01,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:56:01,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:56:01,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:56:01,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:56:01,402 INFO L87 Difference]: Start difference. First operand 2525 states and 3524 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-14 10:56:05,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:56:05,042 INFO L93 Difference]: Finished difference Result 2525 states and 3524 transitions. [2022-12-14 10:56:05,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:56:05,042 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 118 [2022-12-14 10:56:05,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:56:05,048 INFO L225 Difference]: With dead ends: 2525 [2022-12-14 10:56:05,048 INFO L226 Difference]: Without dead ends: 2523 [2022-12-14 10:56:05,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:56:05,049 INFO L413 NwaCegarLoop]: 2921 mSDtfsCounter, 3264 mSDsluCounter, 2921 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3266 SdHoareTripleChecker+Valid, 5842 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-12-14 10:56:05,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3266 Valid, 5842 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-12-14 10:56:05,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2523 states. [2022-12-14 10:56:05,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2523 to 2523. [2022-12-14 10:56:05,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2523 states, 1477 states have (on average 1.2897765741367637) internal successors, (1905), 1551 states have internal predecessors, (1905), 808 states have call successors, (808), 225 states have call predecessors, (808), 222 states have return successors, (809), 794 states have call predecessors, (809), 806 states have call successors, (809) [2022-12-14 10:56:05,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2523 states to 2523 states and 3522 transitions. [2022-12-14 10:56:05,256 INFO L78 Accepts]: Start accepts. Automaton has 2523 states and 3522 transitions. Word has length 118 [2022-12-14 10:56:05,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:56:05,256 INFO L495 AbstractCegarLoop]: Abstraction has 2523 states and 3522 transitions. [2022-12-14 10:56:05,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-14 10:56:05,256 INFO L276 IsEmpty]: Start isEmpty. Operand 2523 states and 3522 transitions. [2022-12-14 10:56:05,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-12-14 10:56:05,257 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:56:05,258 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:56:05,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-14 10:56:05,258 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 10:56:05,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:56:05,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1931551476, now seen corresponding path program 1 times [2022-12-14 10:56:05,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:56:05,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682457063] [2022-12-14 10:56:05,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:56:05,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:56:05,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:56:05,585 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 10:56:05,585 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:56:05,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682457063] [2022-12-14 10:56:05,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682457063] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:56:05,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:56:05,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:56:05,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87491155] [2022-12-14 10:56:05,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:56:05,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:56:05,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:56:05,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:56:05,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:56:05,587 INFO L87 Difference]: Start difference. First operand 2523 states and 3522 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 10:56:08,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:56:08,777 INFO L93 Difference]: Finished difference Result 2523 states and 3522 transitions. [2022-12-14 10:56:08,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:56:08,778 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 123 [2022-12-14 10:56:08,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:56:08,785 INFO L225 Difference]: With dead ends: 2523 [2022-12-14 10:56:08,786 INFO L226 Difference]: Without dead ends: 2521 [2022-12-14 10:56:08,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:56:08,787 INFO L413 NwaCegarLoop]: 2919 mSDtfsCounter, 3261 mSDsluCounter, 2919 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3263 SdHoareTripleChecker+Valid, 5838 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-12-14 10:56:08,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3263 Valid, 5838 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-12-14 10:56:08,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2521 states. [2022-12-14 10:56:09,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2521 to 2521. [2022-12-14 10:56:09,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2521 states, 1476 states have (on average 1.2892953929539295) internal successors, (1903), 1549 states have internal predecessors, (1903), 808 states have call successors, (808), 225 states have call predecessors, (808), 222 states have return successors, (809), 794 states have call predecessors, (809), 806 states have call successors, (809) [2022-12-14 10:56:09,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2521 states to 2521 states and 3520 transitions. [2022-12-14 10:56:09,016 INFO L78 Accepts]: Start accepts. Automaton has 2521 states and 3520 transitions. Word has length 123 [2022-12-14 10:56:09,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:56:09,016 INFO L495 AbstractCegarLoop]: Abstraction has 2521 states and 3520 transitions. [2022-12-14 10:56:09,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 10:56:09,017 INFO L276 IsEmpty]: Start isEmpty. Operand 2521 states and 3520 transitions. [2022-12-14 10:56:09,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-12-14 10:56:09,018 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:56:09,018 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:56:09,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-14 10:56:09,018 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 10:56:09,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:56:09,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1214701167, now seen corresponding path program 1 times [2022-12-14 10:56:09,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:56:09,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187958503] [2022-12-14 10:56:09,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:56:09,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:56:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:56:09,872 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 10:56:09,872 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:56:09,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187958503] [2022-12-14 10:56:09,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187958503] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:56:09,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:56:09,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:56:09,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080235902] [2022-12-14 10:56:09,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:56:09,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:56:09,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:56:09,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:56:09,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:56:09,874 INFO L87 Difference]: Start difference. First operand 2521 states and 3520 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-14 10:56:14,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:56:15,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:56:15,140 INFO L93 Difference]: Finished difference Result 2521 states and 3520 transitions. [2022-12-14 10:56:15,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:56:15,140 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 128 [2022-12-14 10:56:15,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:56:15,146 INFO L225 Difference]: With dead ends: 2521 [2022-12-14 10:56:15,146 INFO L226 Difference]: Without dead ends: 2519 [2022-12-14 10:56:15,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:56:15,148 INFO L413 NwaCegarLoop]: 2917 mSDtfsCounter, 3258 mSDsluCounter, 2917 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3260 SdHoareTripleChecker+Valid, 5834 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-12-14 10:56:15,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3260 Valid, 5834 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-12-14 10:56:15,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2519 states. [2022-12-14 10:56:15,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2519 to 2519. [2022-12-14 10:56:15,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2519 states, 1475 states have (on average 1.288813559322034) internal successors, (1901), 1547 states have internal predecessors, (1901), 808 states have call successors, (808), 225 states have call predecessors, (808), 222 states have return successors, (809), 794 states have call predecessors, (809), 806 states have call successors, (809) [2022-12-14 10:56:15,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2519 states to 2519 states and 3518 transitions. [2022-12-14 10:56:15,376 INFO L78 Accepts]: Start accepts. Automaton has 2519 states and 3518 transitions. Word has length 128 [2022-12-14 10:56:15,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:56:15,377 INFO L495 AbstractCegarLoop]: Abstraction has 2519 states and 3518 transitions. [2022-12-14 10:56:15,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-14 10:56:15,377 INFO L276 IsEmpty]: Start isEmpty. Operand 2519 states and 3518 transitions. [2022-12-14 10:56:15,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-12-14 10:56:15,378 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:56:15,378 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:56:15,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-14 10:56:15,378 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 10:56:15,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:56:15,378 INFO L85 PathProgramCache]: Analyzing trace with hash -333568197, now seen corresponding path program 1 times [2022-12-14 10:56:15,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:56:15,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006188003] [2022-12-14 10:56:15,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:56:15,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:56:15,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:56:15,701 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 10:56:15,701 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:56:15,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006188003] [2022-12-14 10:56:15,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006188003] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:56:15,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:56:15,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:56:15,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29645798] [2022-12-14 10:56:15,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:56:15,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:56:15,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:56:15,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:56:15,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:56:15,703 INFO L87 Difference]: Start difference. First operand 2519 states and 3518 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-14 10:56:17,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:56:19,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:56:21,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:56:21,505 INFO L93 Difference]: Finished difference Result 2519 states and 3518 transitions. [2022-12-14 10:56:21,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:56:21,506 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 133 [2022-12-14 10:56:21,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:56:21,510 INFO L225 Difference]: With dead ends: 2519 [2022-12-14 10:56:21,511 INFO L226 Difference]: Without dead ends: 2517 [2022-12-14 10:56:21,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:56:21,512 INFO L413 NwaCegarLoop]: 2915 mSDtfsCounter, 3255 mSDsluCounter, 2915 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3257 SdHoareTripleChecker+Valid, 5830 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-12-14 10:56:21,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3257 Valid, 5830 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-12-14 10:56:21,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2517 states. [2022-12-14 10:56:21,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2517 to 2517. [2022-12-14 10:56:21,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2517 states, 1474 states have (on average 1.2883310719131615) internal successors, (1899), 1545 states have internal predecessors, (1899), 808 states have call successors, (808), 225 states have call predecessors, (808), 222 states have return successors, (809), 794 states have call predecessors, (809), 806 states have call successors, (809) [2022-12-14 10:56:21,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2517 states to 2517 states and 3516 transitions. [2022-12-14 10:56:21,736 INFO L78 Accepts]: Start accepts. Automaton has 2517 states and 3516 transitions. Word has length 133 [2022-12-14 10:56:21,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:56:21,737 INFO L495 AbstractCegarLoop]: Abstraction has 2517 states and 3516 transitions. [2022-12-14 10:56:21,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-14 10:56:21,737 INFO L276 IsEmpty]: Start isEmpty. Operand 2517 states and 3516 transitions. [2022-12-14 10:56:21,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-12-14 10:56:21,738 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:56:21,738 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:56:21,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-14 10:56:21,738 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 10:56:21,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:56:21,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1780854154, now seen corresponding path program 1 times [2022-12-14 10:56:21,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:56:21,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902989196] [2022-12-14 10:56:21,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:56:21,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:56:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:56:22,077 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 10:56:22,077 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:56:22,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902989196] [2022-12-14 10:56:22,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902989196] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:56:22,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:56:22,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:56:22,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352065965] [2022-12-14 10:56:22,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:56:22,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:56:22,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:56:22,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:56:22,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:56:22,078 INFO L87 Difference]: Start difference. First operand 2517 states and 3516 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-14 10:56:24,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:56:27,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:56:27,329 INFO L93 Difference]: Finished difference Result 2517 states and 3516 transitions. [2022-12-14 10:56:27,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:56:27,329 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 138 [2022-12-14 10:56:27,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:56:27,334 INFO L225 Difference]: With dead ends: 2517 [2022-12-14 10:56:27,334 INFO L226 Difference]: Without dead ends: 2515 [2022-12-14 10:56:27,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:56:27,335 INFO L413 NwaCegarLoop]: 2913 mSDtfsCounter, 3252 mSDsluCounter, 2913 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3254 SdHoareTripleChecker+Valid, 5826 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-12-14 10:56:27,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3254 Valid, 5826 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-12-14 10:56:27,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2515 states. [2022-12-14 10:56:27,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2515 to 2515. [2022-12-14 10:56:27,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2515 states, 1473 states have (on average 1.287847929395791) internal successors, (1897), 1543 states have internal predecessors, (1897), 808 states have call successors, (808), 225 states have call predecessors, (808), 222 states have return successors, (809), 794 states have call predecessors, (809), 806 states have call successors, (809) [2022-12-14 10:56:27,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2515 states to 2515 states and 3514 transitions. [2022-12-14 10:56:27,597 INFO L78 Accepts]: Start accepts. Automaton has 2515 states and 3514 transitions. Word has length 138 [2022-12-14 10:56:27,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:56:27,597 INFO L495 AbstractCegarLoop]: Abstraction has 2515 states and 3514 transitions. [2022-12-14 10:56:27,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-14 10:56:27,597 INFO L276 IsEmpty]: Start isEmpty. Operand 2515 states and 3514 transitions. [2022-12-14 10:56:27,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-12-14 10:56:27,598 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:56:27,599 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:56:27,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-14 10:56:27,599 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 10:56:27,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:56:27,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1051106714, now seen corresponding path program 1 times [2022-12-14 10:56:27,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:56:27,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650767051] [2022-12-14 10:56:27,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:56:27,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:56:27,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:56:28,168 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2022-12-14 10:56:28,168 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:56:28,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650767051] [2022-12-14 10:56:28,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650767051] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:56:28,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:56:28,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:56:28,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487413330] [2022-12-14 10:56:28,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:56:28,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 10:56:28,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:56:28,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 10:56:28,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:56:28,170 INFO L87 Difference]: Start difference. First operand 2515 states and 3514 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-14 10:56:32,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:56:35,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:56:36,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:56:36,835 INFO L93 Difference]: Finished difference Result 2763 states and 3818 transitions. [2022-12-14 10:56:36,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 10:56:36,835 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 176 [2022-12-14 10:56:36,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:56:36,841 INFO L225 Difference]: With dead ends: 2763 [2022-12-14 10:56:36,841 INFO L226 Difference]: Without dead ends: 2761 [2022-12-14 10:56:36,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 10:56:36,842 INFO L413 NwaCegarLoop]: 3134 mSDtfsCounter, 2901 mSDsluCounter, 6845 mSDsCounter, 0 mSdLazyCounter, 1271 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2903 SdHoareTripleChecker+Valid, 9979 SdHoareTripleChecker+Invalid, 1275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1271 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-12-14 10:56:36,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2903 Valid, 9979 Invalid, 1275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1271 Invalid, 1 Unknown, 0 Unchecked, 8.2s Time] [2022-12-14 10:56:36,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2761 states. [2022-12-14 10:56:37,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2761 to 2748. [2022-12-14 10:56:37,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2748 states, 1606 states have (on average 1.2808219178082192) internal successors, (2057), 1682 states have internal predecessors, (2057), 868 states have call successors, (868), 263 states have call predecessors, (868), 262 states have return successors, (876), 855 states have call predecessors, (876), 866 states have call successors, (876) [2022-12-14 10:56:37,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2748 states to 2748 states and 3801 transitions. [2022-12-14 10:56:37,113 INFO L78 Accepts]: Start accepts. Automaton has 2748 states and 3801 transitions. Word has length 176 [2022-12-14 10:56:37,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:56:37,114 INFO L495 AbstractCegarLoop]: Abstraction has 2748 states and 3801 transitions. [2022-12-14 10:56:37,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-14 10:56:37,114 INFO L276 IsEmpty]: Start isEmpty. Operand 2748 states and 3801 transitions. [2022-12-14 10:56:37,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-12-14 10:56:37,115 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:56:37,115 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:56:37,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-14 10:56:37,115 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 10:56:37,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:56:37,116 INFO L85 PathProgramCache]: Analyzing trace with hash -40951592, now seen corresponding path program 1 times [2022-12-14 10:56:37,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:56:37,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633190640] [2022-12-14 10:56:37,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:56:37,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:56:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:56:37,423 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 10:56:37,423 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:56:37,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633190640] [2022-12-14 10:56:37,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633190640] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:56:37,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:56:37,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:56:37,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901204379] [2022-12-14 10:56:37,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:56:37,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:56:37,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:56:37,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:56:37,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:56:37,425 INFO L87 Difference]: Start difference. First operand 2748 states and 3801 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-14 10:56:43,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:56:43,661 INFO L93 Difference]: Finished difference Result 5032 states and 6941 transitions. [2022-12-14 10:56:43,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 10:56:43,662 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 143 [2022-12-14 10:56:43,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:56:43,674 INFO L225 Difference]: With dead ends: 5032 [2022-12-14 10:56:43,674 INFO L226 Difference]: Without dead ends: 5030 [2022-12-14 10:56:43,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:56:43,676 INFO L413 NwaCegarLoop]: 3508 mSDtfsCounter, 2891 mSDsluCounter, 6199 mSDsCounter, 0 mSdLazyCounter, 1105 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2893 SdHoareTripleChecker+Valid, 9707 SdHoareTripleChecker+Invalid, 1106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-12-14 10:56:43,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2893 Valid, 9707 Invalid, 1106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1105 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-12-14 10:56:43,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5030 states. [2022-12-14 10:56:44,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5030 to 5001. [2022-12-14 10:56:44,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5001 states, 2928 states have (on average 1.280396174863388) internal successors, (3749), 3053 states have internal predecessors, (3749), 1561 states have call successors, (1561), 501 states have call predecessors, (1561), 500 states have return successors, (1607), 1540 states have call predecessors, (1607), 1559 states have call successors, (1607) [2022-12-14 10:56:44,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5001 states to 5001 states and 6917 transitions. [2022-12-14 10:56:44,175 INFO L78 Accepts]: Start accepts. Automaton has 5001 states and 6917 transitions. Word has length 143 [2022-12-14 10:56:44,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:56:44,175 INFO L495 AbstractCegarLoop]: Abstraction has 5001 states and 6917 transitions. [2022-12-14 10:56:44,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-14 10:56:44,175 INFO L276 IsEmpty]: Start isEmpty. Operand 5001 states and 6917 transitions. [2022-12-14 10:56:44,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-12-14 10:56:44,177 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:56:44,177 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:56:44,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-14 10:56:44,177 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 10:56:44,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:56:44,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1320373525, now seen corresponding path program 1 times [2022-12-14 10:56:44,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:56:44,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156819568] [2022-12-14 10:56:44,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:56:44,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:56:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:56:44,480 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 10:56:44,481 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:56:44,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156819568] [2022-12-14 10:56:44,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156819568] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:56:44,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:56:44,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:56:44,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157454266] [2022-12-14 10:56:44,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:56:44,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:56:44,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:56:44,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:56:44,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:56:44,482 INFO L87 Difference]: Start difference. First operand 5001 states and 6917 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-14 10:56:48,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:56:48,741 INFO L93 Difference]: Finished difference Result 5001 states and 6917 transitions. [2022-12-14 10:56:48,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:56:48,742 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 148 [2022-12-14 10:56:48,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:56:48,752 INFO L225 Difference]: With dead ends: 5001 [2022-12-14 10:56:48,752 INFO L226 Difference]: Without dead ends: 4999 [2022-12-14 10:56:48,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:56:48,753 INFO L413 NwaCegarLoop]: 2911 mSDtfsCounter, 3248 mSDsluCounter, 2911 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3250 SdHoareTripleChecker+Valid, 5822 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-12-14 10:56:48,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3250 Valid, 5822 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-12-14 10:56:48,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4999 states. [2022-12-14 10:56:49,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4999 to 4999. [2022-12-14 10:56:49,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4999 states, 2927 states have (on average 1.2801503245644004) internal successors, (3747), 3051 states have internal predecessors, (3747), 1561 states have call successors, (1561), 501 states have call predecessors, (1561), 500 states have return successors, (1607), 1540 states have call predecessors, (1607), 1559 states have call successors, (1607) [2022-12-14 10:56:49,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4999 states to 4999 states and 6915 transitions. [2022-12-14 10:56:49,274 INFO L78 Accepts]: Start accepts. Automaton has 4999 states and 6915 transitions. Word has length 148 [2022-12-14 10:56:49,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:56:49,274 INFO L495 AbstractCegarLoop]: Abstraction has 4999 states and 6915 transitions. [2022-12-14 10:56:49,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-14 10:56:49,274 INFO L276 IsEmpty]: Start isEmpty. Operand 4999 states and 6915 transitions. [2022-12-14 10:56:49,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-12-14 10:56:49,276 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:56:49,276 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:56:49,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-12-14 10:56:49,276 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 10:56:49,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:56:49,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1529106657, now seen corresponding path program 1 times [2022-12-14 10:56:49,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:56:49,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335961189] [2022-12-14 10:56:49,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:56:49,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:56:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:56:49,596 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 10:56:49,596 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:56:49,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335961189] [2022-12-14 10:56:49,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335961189] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:56:49,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:56:49,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:56:49,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868794819] [2022-12-14 10:56:49,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:56:49,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:56:49,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:56:49,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:56:49,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:56:49,598 INFO L87 Difference]: Start difference. First operand 4999 states and 6915 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-14 10:56:55,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:56:55,018 INFO L93 Difference]: Finished difference Result 7455 states and 10349 transitions. [2022-12-14 10:56:55,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:56:55,019 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 153 [2022-12-14 10:56:55,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:56:55,036 INFO L225 Difference]: With dead ends: 7455 [2022-12-14 10:56:55,036 INFO L226 Difference]: Without dead ends: 7323 [2022-12-14 10:56:55,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:56:55,040 INFO L413 NwaCegarLoop]: 3684 mSDtfsCounter, 3147 mSDsluCounter, 6382 mSDsCounter, 0 mSdLazyCounter, 1157 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3147 SdHoareTripleChecker+Valid, 10066 SdHoareTripleChecker+Invalid, 1157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-12-14 10:56:55,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3147 Valid, 10066 Invalid, 1157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1157 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-12-14 10:56:55,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7323 states. [2022-12-14 10:56:56,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7323 to 7300. [2022-12-14 10:56:56,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7300 states, 4283 states have (on average 1.283679663787065) internal successors, (5498), 4463 states have internal predecessors, (5498), 2281 states have call successors, (2281), 726 states have call predecessors, (2281), 725 states have return successors, (2397), 2251 states have call predecessors, (2397), 2277 states have call successors, (2397) [2022-12-14 10:56:56,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7300 states to 7300 states and 10176 transitions. [2022-12-14 10:56:56,041 INFO L78 Accepts]: Start accepts. Automaton has 7300 states and 10176 transitions. Word has length 153 [2022-12-14 10:56:56,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:56:56,041 INFO L495 AbstractCegarLoop]: Abstraction has 7300 states and 10176 transitions. [2022-12-14 10:56:56,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-14 10:56:56,041 INFO L276 IsEmpty]: Start isEmpty. Operand 7300 states and 10176 transitions. [2022-12-14 10:56:56,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-12-14 10:56:56,044 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:56:56,044 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:56:56,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-12-14 10:56:56,044 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 10:56:56,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:56:56,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1534551022, now seen corresponding path program 1 times [2022-12-14 10:56:56,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:56:56,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115664705] [2022-12-14 10:56:56,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:56:56,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:56:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:56:56,566 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2022-12-14 10:56:56,566 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:56:56,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115664705] [2022-12-14 10:56:56,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115664705] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:56:56,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:56:56,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:56:56,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74604743] [2022-12-14 10:56:56,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:56:56,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 10:56:56,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:56:56,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 10:56:56,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:56:56,568 INFO L87 Difference]: Start difference. First operand 7300 states and 10176 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (34), 3 states have call predecessors, (34), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-14 10:57:00,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:57:06,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:57:06,108 INFO L93 Difference]: Finished difference Result 7310 states and 10184 transitions. [2022-12-14 10:57:06,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 10:57:06,109 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (34), 3 states have call predecessors, (34), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 198 [2022-12-14 10:57:06,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:57:06,135 INFO L225 Difference]: With dead ends: 7310 [2022-12-14 10:57:06,135 INFO L226 Difference]: Without dead ends: 7308 [2022-12-14 10:57:06,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 10:57:06,140 INFO L413 NwaCegarLoop]: 3009 mSDtfsCounter, 630 mSDsluCounter, 8606 mSDsCounter, 0 mSdLazyCounter, 1558 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 631 SdHoareTripleChecker+Valid, 11615 SdHoareTripleChecker+Invalid, 1559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-12-14 10:57:06,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [631 Valid, 11615 Invalid, 1559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1558 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2022-12-14 10:57:06,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7308 states. [2022-12-14 10:57:06,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7308 to 7300. [2022-12-14 10:57:06,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7300 states, 4283 states have (on average 1.282278776558487) internal successors, (5492), 4463 states have internal predecessors, (5492), 2281 states have call successors, (2281), 726 states have call predecessors, (2281), 725 states have return successors, (2397), 2251 states have call predecessors, (2397), 2277 states have call successors, (2397) [2022-12-14 10:57:06,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7300 states to 7300 states and 10170 transitions. [2022-12-14 10:57:06,929 INFO L78 Accepts]: Start accepts. Automaton has 7300 states and 10170 transitions. Word has length 198 [2022-12-14 10:57:06,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:57:06,930 INFO L495 AbstractCegarLoop]: Abstraction has 7300 states and 10170 transitions. [2022-12-14 10:57:06,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (34), 3 states have call predecessors, (34), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-14 10:57:06,930 INFO L276 IsEmpty]: Start isEmpty. Operand 7300 states and 10170 transitions. [2022-12-14 10:57:06,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-12-14 10:57:06,931 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:57:06,931 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:57:06,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-12-14 10:57:06,932 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 10:57:06,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:57:06,932 INFO L85 PathProgramCache]: Analyzing trace with hash -28537997, now seen corresponding path program 1 times [2022-12-14 10:57:06,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:57:06,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97638102] [2022-12-14 10:57:06,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:57:06,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:57:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:57:07,683 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 553 trivial. 0 not checked. [2022-12-14 10:57:07,683 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:57:07,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97638102] [2022-12-14 10:57:07,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97638102] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:57:07,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:57:07,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:57:07,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008914714] [2022-12-14 10:57:07,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:57:07,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 10:57:07,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:57:07,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 10:57:07,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:57:07,685 INFO L87 Difference]: Start difference. First operand 7300 states and 10170 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (29), 1 states have call predecessors, (29), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-14 10:57:13,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:57:16,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:57:16,509 INFO L93 Difference]: Finished difference Result 14294 states and 19920 transitions. [2022-12-14 10:57:16,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 10:57:16,509 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (29), 1 states have call predecessors, (29), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) Word has length 201 [2022-12-14 10:57:16,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:57:16,529 INFO L225 Difference]: With dead ends: 14294 [2022-12-14 10:57:16,529 INFO L226 Difference]: Without dead ends: 7764 [2022-12-14 10:57:16,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:57:16,545 INFO L413 NwaCegarLoop]: 3008 mSDtfsCounter, 113 mSDsluCounter, 8941 mSDsCounter, 0 mSdLazyCounter, 1543 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 11949 SdHoareTripleChecker+Invalid, 1543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-12-14 10:57:16,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 11949 Invalid, 1543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1543 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2022-12-14 10:57:16,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7764 states. [2022-12-14 10:57:17,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7764 to 7312. [2022-12-14 10:57:17,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7312 states, 4292 states have (on average 1.2816868592730661) internal successors, (5501), 4472 states have internal predecessors, (5501), 2281 states have call successors, (2281), 726 states have call predecessors, (2281), 728 states have return successors, (2409), 2254 states have call predecessors, (2409), 2277 states have call successors, (2409) [2022-12-14 10:57:17,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7312 states to 7312 states and 10191 transitions. [2022-12-14 10:57:17,553 INFO L78 Accepts]: Start accepts. Automaton has 7312 states and 10191 transitions. Word has length 201 [2022-12-14 10:57:17,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:57:17,554 INFO L495 AbstractCegarLoop]: Abstraction has 7312 states and 10191 transitions. [2022-12-14 10:57:17,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (29), 1 states have call predecessors, (29), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-14 10:57:17,554 INFO L276 IsEmpty]: Start isEmpty. Operand 7312 states and 10191 transitions. [2022-12-14 10:57:17,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-12-14 10:57:17,556 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:57:17,557 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:57:17,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-12-14 10:57:17,557 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 10:57:17,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:57:17,557 INFO L85 PathProgramCache]: Analyzing trace with hash -963140704, now seen corresponding path program 1 times [2022-12-14 10:57:17,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:57:17,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748240718] [2022-12-14 10:57:17,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:57:17,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:57:17,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:57:18,120 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2022-12-14 10:57:18,120 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:57:18,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748240718] [2022-12-14 10:57:18,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748240718] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:57:18,120 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:57:18,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 10:57:18,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163306877] [2022-12-14 10:57:18,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:57:18,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 10:57:18,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:57:18,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 10:57:18,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 10:57:18,121 INFO L87 Difference]: Start difference. First operand 7312 states and 10191 transitions. Second operand has 6 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (32), 1 states have call predecessors, (32), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-14 10:57:21,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:57:28,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:57:28,341 INFO L93 Difference]: Finished difference Result 14369 states and 20024 transitions. [2022-12-14 10:57:28,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 10:57:28,342 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (32), 1 states have call predecessors, (32), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 214 [2022-12-14 10:57:28,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:57:28,368 INFO L225 Difference]: With dead ends: 14369 [2022-12-14 10:57:28,368 INFO L226 Difference]: Without dead ends: 7827 [2022-12-14 10:57:28,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-12-14 10:57:28,392 INFO L413 NwaCegarLoop]: 3110 mSDtfsCounter, 3421 mSDsluCounter, 7801 mSDsCounter, 0 mSdLazyCounter, 3473 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3423 SdHoareTripleChecker+Valid, 10911 SdHoareTripleChecker+Invalid, 3578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 3473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-12-14 10:57:28,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3423 Valid, 10911 Invalid, 3578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 3473 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2022-12-14 10:57:28,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7827 states. [2022-12-14 10:57:29,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7827 to 7304. [2022-12-14 10:57:29,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7304 states, 4285 states have (on average 1.2807467911318553) internal successors, (5488), 4464 states have internal predecessors, (5488), 2281 states have call successors, (2281), 726 states have call predecessors, (2281), 728 states have return successors, (2409), 2254 states have call predecessors, (2409), 2277 states have call successors, (2409) [2022-12-14 10:57:29,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7304 states to 7304 states and 10178 transitions. [2022-12-14 10:57:29,359 INFO L78 Accepts]: Start accepts. Automaton has 7304 states and 10178 transitions. Word has length 214 [2022-12-14 10:57:29,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:57:29,359 INFO L495 AbstractCegarLoop]: Abstraction has 7304 states and 10178 transitions. [2022-12-14 10:57:29,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (32), 1 states have call predecessors, (32), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-14 10:57:29,359 INFO L276 IsEmpty]: Start isEmpty. Operand 7304 states and 10178 transitions. [2022-12-14 10:57:29,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-12-14 10:57:29,361 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:57:29,361 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:57:29,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-12-14 10:57:29,361 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 10:57:29,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:57:29,361 INFO L85 PathProgramCache]: Analyzing trace with hash 207784080, now seen corresponding path program 1 times [2022-12-14 10:57:29,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:57:29,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188394972] [2022-12-14 10:57:29,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:57:29,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:57:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:57:29,733 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2022-12-14 10:57:29,733 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:57:29,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188394972] [2022-12-14 10:57:29,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188394972] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:57:29,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:57:29,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:57:29,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242777352] [2022-12-14 10:57:29,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:57:29,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:57:29,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:57:29,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:57:29,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:57:29,734 INFO L87 Difference]: Start difference. First operand 7304 states and 10178 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-14 10:57:34,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:57:34,489 INFO L93 Difference]: Finished difference Result 7783 states and 10953 transitions. [2022-12-14 10:57:34,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:57:34,489 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 215 [2022-12-14 10:57:34,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:57:34,508 INFO L225 Difference]: With dead ends: 7783 [2022-12-14 10:57:34,508 INFO L226 Difference]: Without dead ends: 7781 [2022-12-14 10:57:34,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:57:34,510 INFO L413 NwaCegarLoop]: 3057 mSDtfsCounter, 3434 mSDsluCounter, 2938 mSDsCounter, 0 mSdLazyCounter, 878 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3434 SdHoareTripleChecker+Valid, 5995 SdHoareTripleChecker+Invalid, 981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-12-14 10:57:34,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3434 Valid, 5995 Invalid, 981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 878 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-12-14 10:57:34,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7781 states. [2022-12-14 10:57:35,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7781 to 7302. [2022-12-14 10:57:35,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7302 states, 4284 states have (on average 1.280112044817927) internal successors, (5484), 4462 states have internal predecessors, (5484), 2281 states have call successors, (2281), 726 states have call predecessors, (2281), 728 states have return successors, (2409), 2254 states have call predecessors, (2409), 2277 states have call successors, (2409) [2022-12-14 10:57:35,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7302 states to 7302 states and 10174 transitions. [2022-12-14 10:57:35,331 INFO L78 Accepts]: Start accepts. Automaton has 7302 states and 10174 transitions. Word has length 215 [2022-12-14 10:57:35,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:57:35,331 INFO L495 AbstractCegarLoop]: Abstraction has 7302 states and 10174 transitions. [2022-12-14 10:57:35,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-14 10:57:35,331 INFO L276 IsEmpty]: Start isEmpty. Operand 7302 states and 10174 transitions. [2022-12-14 10:57:35,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-12-14 10:57:35,333 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:57:35,333 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:57:35,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-12-14 10:57:35,334 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 10:57:35,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:57:35,334 INFO L85 PathProgramCache]: Analyzing trace with hash -946131512, now seen corresponding path program 1 times [2022-12-14 10:57:35,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:57:35,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793495808] [2022-12-14 10:57:35,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:57:35,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:57:35,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:57:35,805 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2022-12-14 10:57:35,806 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:57:35,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793495808] [2022-12-14 10:57:35,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793495808] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:57:35,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:57:35,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:57:35,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222958455] [2022-12-14 10:57:35,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:57:35,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 10:57:35,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:57:35,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 10:57:35,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:57:35,808 INFO L87 Difference]: Start difference. First operand 7302 states and 10174 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-14 10:57:38,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:57:39,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:57:41,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:57:45,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:57:45,653 INFO L93 Difference]: Finished difference Result 7335 states and 10198 transitions. [2022-12-14 10:57:45,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 10:57:45,654 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 224 [2022-12-14 10:57:45,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:57:45,669 INFO L225 Difference]: With dead ends: 7335 [2022-12-14 10:57:45,669 INFO L226 Difference]: Without dead ends: 7333 [2022-12-14 10:57:45,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 10:57:45,671 INFO L413 NwaCegarLoop]: 2908 mSDtfsCounter, 3198 mSDsluCounter, 5835 mSDsCounter, 0 mSdLazyCounter, 1155 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3200 SdHoareTripleChecker+Valid, 8743 SdHoareTripleChecker+Invalid, 1157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-12-14 10:57:45,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3200 Valid, 8743 Invalid, 1157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1155 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2022-12-14 10:57:45,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7333 states. [2022-12-14 10:57:46,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7333 to 7331. [2022-12-14 10:57:46,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7331 states, 4303 states have (on average 1.2788752033465025) internal successors, (5503), 4481 states have internal predecessors, (5503), 2281 states have call successors, (2281), 736 states have call predecessors, (2281), 738 states have return successors, (2409), 2254 states have call predecessors, (2409), 2277 states have call successors, (2409) [2022-12-14 10:57:46,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7331 states to 7331 states and 10193 transitions. [2022-12-14 10:57:46,664 INFO L78 Accepts]: Start accepts. Automaton has 7331 states and 10193 transitions. Word has length 224 [2022-12-14 10:57:46,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:57:46,664 INFO L495 AbstractCegarLoop]: Abstraction has 7331 states and 10193 transitions. [2022-12-14 10:57:46,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-14 10:57:46,664 INFO L276 IsEmpty]: Start isEmpty. Operand 7331 states and 10193 transitions. [2022-12-14 10:57:46,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-12-14 10:57:46,666 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:57:46,666 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:57:46,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-12-14 10:57:46,666 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 10:57:46,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:57:46,667 INFO L85 PathProgramCache]: Analyzing trace with hash 195931977, now seen corresponding path program 1 times [2022-12-14 10:57:46,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:57:46,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265405064] [2022-12-14 10:57:46,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:57:46,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:57:46,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:57:47,823 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 391 trivial. 0 not checked. [2022-12-14 10:57:47,823 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:57:47,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265405064] [2022-12-14 10:57:47,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265405064] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:57:47,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:57:47,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:57:47,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848225400] [2022-12-14 10:57:47,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:57:47,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 10:57:47,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:57:47,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 10:57:47,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:57:47,825 INFO L87 Difference]: Start difference. First operand 7331 states and 10193 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-12-14 10:57:53,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:57:54,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:57:55,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:57:55,759 INFO L93 Difference]: Finished difference Result 8514 states and 11548 transitions. [2022-12-14 10:57:55,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 10:57:55,760 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 242 [2022-12-14 10:57:55,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:57:55,777 INFO L225 Difference]: With dead ends: 8514 [2022-12-14 10:57:55,777 INFO L226 Difference]: Without dead ends: 8512 [2022-12-14 10:57:55,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 10:57:55,779 INFO L413 NwaCegarLoop]: 3069 mSDtfsCounter, 3162 mSDsluCounter, 6392 mSDsCounter, 0 mSdLazyCounter, 1244 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3165 SdHoareTripleChecker+Valid, 9461 SdHoareTripleChecker+Invalid, 1246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-12-14 10:57:55,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3165 Valid, 9461 Invalid, 1246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1244 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2022-12-14 10:57:55,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8512 states. [2022-12-14 10:57:56,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8512 to 8504. [2022-12-14 10:57:56,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8504 states, 4933 states have (on average 1.2621123048854652) internal successors, (6226), 5135 states have internal predecessors, (6226), 2578 states have call successors, (2578), 982 states have call predecessors, (2578), 984 states have return successors, (2736), 2539 states have call predecessors, (2736), 2574 states have call successors, (2736) [2022-12-14 10:57:56,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8504 states to 8504 states and 11540 transitions. [2022-12-14 10:57:56,758 INFO L78 Accepts]: Start accepts. Automaton has 8504 states and 11540 transitions. Word has length 242 [2022-12-14 10:57:56,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:57:56,758 INFO L495 AbstractCegarLoop]: Abstraction has 8504 states and 11540 transitions. [2022-12-14 10:57:56,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-12-14 10:57:56,759 INFO L276 IsEmpty]: Start isEmpty. Operand 8504 states and 11540 transitions. [2022-12-14 10:57:56,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-12-14 10:57:56,761 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:57:56,761 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:57:56,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-12-14 10:57:56,761 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 10:57:56,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:57:56,762 INFO L85 PathProgramCache]: Analyzing trace with hash 627266667, now seen corresponding path program 1 times [2022-12-14 10:57:56,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:57:56,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731093874] [2022-12-14 10:57:56,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:57:56,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:57:56,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:57:57,509 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2022-12-14 10:57:57,509 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:57:57,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731093874] [2022-12-14 10:57:57,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731093874] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:57:57,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:57:57,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:57:57,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571810790] [2022-12-14 10:57:57,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:57:57,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 10:57:57,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:57:57,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 10:57:57,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:57:57,511 INFO L87 Difference]: Start difference. First operand 8504 states and 11540 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-12-14 10:58:02,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:58:06,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:58:06,783 INFO L93 Difference]: Finished difference Result 14374 states and 19253 transitions. [2022-12-14 10:58:06,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 10:58:06,784 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 233 [2022-12-14 10:58:06,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:58:06,812 INFO L225 Difference]: With dead ends: 14374 [2022-12-14 10:58:06,812 INFO L226 Difference]: Without dead ends: 14372 [2022-12-14 10:58:06,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 10:58:06,816 INFO L413 NwaCegarLoop]: 3614 mSDtfsCounter, 2842 mSDsluCounter, 9214 mSDsCounter, 0 mSdLazyCounter, 1490 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2845 SdHoareTripleChecker+Valid, 12828 SdHoareTripleChecker+Invalid, 1493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-12-14 10:58:06,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2845 Valid, 12828 Invalid, 1493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1490 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2022-12-14 10:58:06,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14372 states. [2022-12-14 10:58:08,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14372 to 14354. [2022-12-14 10:58:08,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14354 states, 8271 states have (on average 1.2523274090194656) internal successors, (10358), 8624 states have internal predecessors, (10358), 4300 states have call successors, (4300), 1775 states have call predecessors, (4300), 1774 states have return successors, (4574), 4230 states have call predecessors, (4574), 4296 states have call successors, (4574) [2022-12-14 10:58:08,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14354 states to 14354 states and 19232 transitions. [2022-12-14 10:58:08,553 INFO L78 Accepts]: Start accepts. Automaton has 14354 states and 19232 transitions. Word has length 233 [2022-12-14 10:58:08,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:58:08,553 INFO L495 AbstractCegarLoop]: Abstraction has 14354 states and 19232 transitions. [2022-12-14 10:58:08,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-12-14 10:58:08,553 INFO L276 IsEmpty]: Start isEmpty. Operand 14354 states and 19232 transitions. [2022-12-14 10:58:08,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2022-12-14 10:58:08,557 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:58:08,557 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:58:08,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-12-14 10:58:08,557 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 10:58:08,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:58:08,558 INFO L85 PathProgramCache]: Analyzing trace with hash 2101869317, now seen corresponding path program 1 times [2022-12-14 10:58:08,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:58:08,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072186922] [2022-12-14 10:58:08,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:58:08,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:58:08,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:58:09,364 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 391 trivial. 0 not checked. [2022-12-14 10:58:09,364 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:58:09,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072186922] [2022-12-14 10:58:09,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072186922] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:58:09,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:58:09,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:58:09,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778678727] [2022-12-14 10:58:09,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:58:09,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 10:58:09,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:58:09,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 10:58:09,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:58:09,366 INFO L87 Difference]: Start difference. First operand 14354 states and 19232 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (43), 3 states have call predecessors, (43), 2 states have return successors, (38), 2 states have call predecessors, (38), 1 states have call successors, (38) [2022-12-14 10:58:18,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:58:18,009 INFO L93 Difference]: Finished difference Result 14362 states and 19236 transitions. [2022-12-14 10:58:18,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 10:58:18,010 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (43), 3 states have call predecessors, (43), 2 states have return successors, (38), 2 states have call predecessors, (38), 1 states have call successors, (38) Word has length 254 [2022-12-14 10:58:18,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:58:18,039 INFO L225 Difference]: With dead ends: 14362 [2022-12-14 10:58:18,039 INFO L226 Difference]: Without dead ends: 14360 [2022-12-14 10:58:18,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 10:58:18,044 INFO L413 NwaCegarLoop]: 2997 mSDtfsCounter, 293 mSDsluCounter, 8845 mSDsCounter, 0 mSdLazyCounter, 1589 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 11842 SdHoareTripleChecker+Invalid, 1589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-12-14 10:58:18,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 11842 Invalid, 1589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1589 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2022-12-14 10:58:18,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14360 states. [2022-12-14 10:58:19,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14360 to 14354. [2022-12-14 10:58:19,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14354 states, 8271 states have (on average 1.2516019828315803) internal successors, (10352), 8624 states have internal predecessors, (10352), 4300 states have call successors, (4300), 1775 states have call predecessors, (4300), 1774 states have return successors, (4574), 4230 states have call predecessors, (4574), 4296 states have call successors, (4574) [2022-12-14 10:58:19,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14354 states to 14354 states and 19226 transitions. [2022-12-14 10:58:19,666 INFO L78 Accepts]: Start accepts. Automaton has 14354 states and 19226 transitions. Word has length 254 [2022-12-14 10:58:19,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:58:19,666 INFO L495 AbstractCegarLoop]: Abstraction has 14354 states and 19226 transitions. [2022-12-14 10:58:19,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (43), 3 states have call predecessors, (43), 2 states have return successors, (38), 2 states have call predecessors, (38), 1 states have call successors, (38) [2022-12-14 10:58:19,667 INFO L276 IsEmpty]: Start isEmpty. Operand 14354 states and 19226 transitions. [2022-12-14 10:58:19,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-12-14 10:58:19,669 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:58:19,669 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:58:19,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-12-14 10:58:19,669 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 10:58:19,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:58:19,669 INFO L85 PathProgramCache]: Analyzing trace with hash 818594401, now seen corresponding path program 1 times [2022-12-14 10:58:19,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:58:19,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124778904] [2022-12-14 10:58:19,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:58:19,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:58:19,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:58:20,166 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 744 trivial. 0 not checked. [2022-12-14 10:58:20,166 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:58:20,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124778904] [2022-12-14 10:58:20,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124778904] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:58:20,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:58:20,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:58:20,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481441452] [2022-12-14 10:58:20,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:58:20,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 10:58:20,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:58:20,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 10:58:20,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:58:20,168 INFO L87 Difference]: Start difference. First operand 14354 states and 19226 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (40), 3 states have call predecessors, (40), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-12-14 10:58:24,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:58:30,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:58:30,260 INFO L93 Difference]: Finished difference Result 14356 states and 19227 transitions. [2022-12-14 10:58:30,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 10:58:30,261 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (40), 3 states have call predecessors, (40), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 246 [2022-12-14 10:58:30,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:58:30,290 INFO L225 Difference]: With dead ends: 14356 [2022-12-14 10:58:30,291 INFO L226 Difference]: Without dead ends: 14354 [2022-12-14 10:58:30,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 10:58:30,294 INFO L413 NwaCegarLoop]: 2907 mSDtfsCounter, 26 mSDsluCounter, 8689 mSDsCounter, 0 mSdLazyCounter, 1543 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 11596 SdHoareTripleChecker+Invalid, 1544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-12-14 10:58:30,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 11596 Invalid, 1544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1543 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2022-12-14 10:58:30,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14354 states. [2022-12-14 10:58:32,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14354 to 14354. [2022-12-14 10:58:32,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14354 states, 8271 states have (on average 1.2512392697376375) internal successors, (10349), 8624 states have internal predecessors, (10349), 4300 states have call successors, (4300), 1775 states have call predecessors, (4300), 1774 states have return successors, (4574), 4230 states have call predecessors, (4574), 4296 states have call successors, (4574) [2022-12-14 10:58:32,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14354 states to 14354 states and 19223 transitions. [2022-12-14 10:58:32,507 INFO L78 Accepts]: Start accepts. Automaton has 14354 states and 19223 transitions. Word has length 246 [2022-12-14 10:58:32,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:58:32,507 INFO L495 AbstractCegarLoop]: Abstraction has 14354 states and 19223 transitions. [2022-12-14 10:58:32,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (40), 3 states have call predecessors, (40), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-12-14 10:58:32,507 INFO L276 IsEmpty]: Start isEmpty. Operand 14354 states and 19223 transitions. [2022-12-14 10:58:32,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-12-14 10:58:32,510 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:58:32,510 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:58:32,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-12-14 10:58:32,510 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 10:58:32,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:58:32,510 INFO L85 PathProgramCache]: Analyzing trace with hash -912526402, now seen corresponding path program 1 times [2022-12-14 10:58:32,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:58:32,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541591267] [2022-12-14 10:58:32,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:58:32,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:58:32,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:58:33,295 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2022-12-14 10:58:33,295 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:58:33,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541591267] [2022-12-14 10:58:33,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541591267] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:58:33,296 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:58:33,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:58:33,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38906100] [2022-12-14 10:58:33,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:58:33,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 10:58:33,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:58:33,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 10:58:33,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:58:33,297 INFO L87 Difference]: Start difference. First operand 14354 states and 19223 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (35), 2 states have call predecessors, (35), 1 states have call successors, (35) [2022-12-14 10:58:44,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:58:44,490 INFO L93 Difference]: Finished difference Result 14366 states and 19229 transitions. [2022-12-14 10:58:44,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 10:58:44,490 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (35), 2 states have call predecessors, (35), 1 states have call successors, (35) Word has length 245 [2022-12-14 10:58:44,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:58:44,521 INFO L225 Difference]: With dead ends: 14366 [2022-12-14 10:58:44,521 INFO L226 Difference]: Without dead ends: 14364 [2022-12-14 10:58:44,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 10:58:44,525 INFO L413 NwaCegarLoop]: 4274 mSDtfsCounter, 2232 mSDsluCounter, 11106 mSDsCounter, 0 mSdLazyCounter, 2026 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2233 SdHoareTripleChecker+Valid, 15380 SdHoareTripleChecker+Invalid, 2026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2026 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-12-14 10:58:44,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2233 Valid, 15380 Invalid, 2026 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2026 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2022-12-14 10:58:44,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14364 states. [2022-12-14 10:58:46,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14364 to 14354. [2022-12-14 10:58:46,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14354 states, 8271 states have (on average 1.2508765566436948) internal successors, (10346), 8624 states have internal predecessors, (10346), 4300 states have call successors, (4300), 1775 states have call predecessors, (4300), 1774 states have return successors, (4574), 4230 states have call predecessors, (4574), 4296 states have call successors, (4574) [2022-12-14 10:58:46,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14354 states to 14354 states and 19220 transitions. [2022-12-14 10:58:46,253 INFO L78 Accepts]: Start accepts. Automaton has 14354 states and 19220 transitions. Word has length 245 [2022-12-14 10:58:46,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:58:46,253 INFO L495 AbstractCegarLoop]: Abstraction has 14354 states and 19220 transitions. [2022-12-14 10:58:46,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (35), 2 states have call predecessors, (35), 1 states have call successors, (35) [2022-12-14 10:58:46,253 INFO L276 IsEmpty]: Start isEmpty. Operand 14354 states and 19220 transitions. [2022-12-14 10:58:46,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2022-12-14 10:58:46,256 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:58:46,256 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 11, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:58:46,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-12-14 10:58:46,257 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 10:58:46,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:58:46,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1189264352, now seen corresponding path program 1 times [2022-12-14 10:58:46,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:58:46,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961120460] [2022-12-14 10:58:46,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:58:46,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:58:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:58:46,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1061 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1061 trivial. 0 not checked. [2022-12-14 10:58:46,991 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:58:46,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961120460] [2022-12-14 10:58:46,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961120460] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:58:46,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:58:46,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:58:46,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950111764] [2022-12-14 10:58:46,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:58:46,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 10:58:46,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:58:46,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 10:58:46,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:58:46,992 INFO L87 Difference]: Start difference. First operand 14354 states and 19220 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-12-14 10:58:49,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:58:50,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:58:58,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:58:58,850 INFO L93 Difference]: Finished difference Result 23234 states and 30828 transitions. [2022-12-14 10:58:58,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 10:58:58,851 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 271 [2022-12-14 10:58:58,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:58:58,901 INFO L225 Difference]: With dead ends: 23234 [2022-12-14 10:58:58,901 INFO L226 Difference]: Without dead ends: 23232 [2022-12-14 10:58:58,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 10:58:58,907 INFO L413 NwaCegarLoop]: 3483 mSDtfsCounter, 3130 mSDsluCounter, 9306 mSDsCounter, 0 mSdLazyCounter, 1451 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3133 SdHoareTripleChecker+Valid, 12789 SdHoareTripleChecker+Invalid, 1454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-12-14 10:58:58,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3133 Valid, 12789 Invalid, 1454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1451 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2022-12-14 10:58:58,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23232 states. [2022-12-14 10:59:01,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23232 to 23209. [2022-12-14 10:59:01,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23209 states, 13384 states have (on average 1.2478332337118947) internal successors, (16701), 13936 states have internal predecessors, (16701), 6836 states have call successors, (6836), 2984 states have call predecessors, (6836), 2980 states have return successors, (7271), 6709 states have call predecessors, (7271), 6832 states have call successors, (7271) [2022-12-14 10:59:01,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23209 states to 23209 states and 30808 transitions. [2022-12-14 10:59:01,567 INFO L78 Accepts]: Start accepts. Automaton has 23209 states and 30808 transitions. Word has length 271 [2022-12-14 10:59:01,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:59:01,568 INFO L495 AbstractCegarLoop]: Abstraction has 23209 states and 30808 transitions. [2022-12-14 10:59:01,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-12-14 10:59:01,568 INFO L276 IsEmpty]: Start isEmpty. Operand 23209 states and 30808 transitions. [2022-12-14 10:59:01,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2022-12-14 10:59:01,571 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:59:01,571 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 12, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:59:01,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-12-14 10:59:01,572 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 10:59:01,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:59:01,572 INFO L85 PathProgramCache]: Analyzing trace with hash 43503173, now seen corresponding path program 1 times [2022-12-14 10:59:01,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:59:01,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439450198] [2022-12-14 10:59:01,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:59:01,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:59:01,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:59:01,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1083 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1083 trivial. 0 not checked. [2022-12-14 10:59:01,778 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:59:01,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439450198] [2022-12-14 10:59:01,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439450198] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:59:01,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:59:01,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:59:01,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749912797] [2022-12-14 10:59:01,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:59:01,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:59:01,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:59:01,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:59:01,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:59:01,779 INFO L87 Difference]: Start difference. First operand 23209 states and 30808 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) [2022-12-14 10:59:05,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:59:08,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:59:11,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:59:11,753 INFO L93 Difference]: Finished difference Result 42085 states and 55811 transitions. [2022-12-14 10:59:11,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:59:11,754 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) Word has length 286 [2022-12-14 10:59:11,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:59:11,810 INFO L225 Difference]: With dead ends: 42085 [2022-12-14 10:59:11,810 INFO L226 Difference]: Without dead ends: 24126 [2022-12-14 10:59:11,841 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 10:59:11,842 INFO L413 NwaCegarLoop]: 3124 mSDtfsCounter, 135 mSDsluCounter, 2937 mSDsCounter, 0 mSdLazyCounter, 794 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 6061 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-12-14 10:59:11,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 6061 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 794 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2022-12-14 10:59:11,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24126 states. [2022-12-14 10:59:14,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24126 to 23242. [2022-12-14 10:59:14,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23242 states, 13414 states have (on average 1.2481735500223647) internal successors, (16743), 13966 states have internal predecessors, (16743), 6839 states have call successors, (6839), 2984 states have call predecessors, (6839), 2980 states have return successors, (7274), 6712 states have call predecessors, (7274), 6835 states have call successors, (7274) [2022-12-14 10:59:14,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23242 states to 23242 states and 30856 transitions. [2022-12-14 10:59:14,770 INFO L78 Accepts]: Start accepts. Automaton has 23242 states and 30856 transitions. Word has length 286 [2022-12-14 10:59:14,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:59:14,770 INFO L495 AbstractCegarLoop]: Abstraction has 23242 states and 30856 transitions. [2022-12-14 10:59:14,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) [2022-12-14 10:59:14,770 INFO L276 IsEmpty]: Start isEmpty. Operand 23242 states and 30856 transitions. [2022-12-14 10:59:14,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2022-12-14 10:59:14,775 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:59:14,775 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 12, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:59:14,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-12-14 10:59:14,775 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 10:59:14,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:59:14,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1949913012, now seen corresponding path program 1 times [2022-12-14 10:59:14,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:59:14,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880310830] [2022-12-14 10:59:14,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:59:14,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:59:15,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:59:16,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1085 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2022-12-14 10:59:16,079 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:59:16,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880310830] [2022-12-14 10:59:16,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880310830] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:59:16,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:59:16,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 10:59:16,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152889591] [2022-12-14 10:59:16,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:59:16,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 10:59:16,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:59:16,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 10:59:16,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-14 10:59:16,081 INFO L87 Difference]: Start difference. First operand 23242 states and 30856 transitions. Second operand has 8 states, 7 states have (on average 12.428571428571429) internal successors, (87), 6 states have internal predecessors, (87), 2 states have call successors, (43), 3 states have call predecessors, (43), 2 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) [2022-12-14 10:59:30,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:59:30,515 INFO L93 Difference]: Finished difference Result 23894 states and 31860 transitions. [2022-12-14 10:59:30,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 10:59:30,516 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.428571428571429) internal successors, (87), 6 states have internal predecessors, (87), 2 states have call successors, (43), 3 states have call predecessors, (43), 2 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) Word has length 300 [2022-12-14 10:59:30,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:59:30,563 INFO L225 Difference]: With dead ends: 23894 [2022-12-14 10:59:30,563 INFO L226 Difference]: Without dead ends: 23892 [2022-12-14 10:59:30,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-12-14 10:59:30,570 INFO L413 NwaCegarLoop]: 3150 mSDtfsCounter, 260 mSDsluCounter, 15124 mSDsCounter, 0 mSdLazyCounter, 2817 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 18274 SdHoareTripleChecker+Invalid, 2870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 2817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2022-12-14 10:59:30,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 18274 Invalid, 2870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 2817 Invalid, 0 Unknown, 0 Unchecked, 11.6s Time] [2022-12-14 10:59:30,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23892 states. [2022-12-14 10:59:33,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23892 to 23461. [2022-12-14 10:59:33,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23461 states, 13561 states have (on average 1.2496866012830912) internal successors, (16947), 14128 states have internal predecessors, (16947), 6890 states have call successors, (6890), 3008 states have call predecessors, (6890), 3001 states have return successors, (7325), 6745 states have call predecessors, (7325), 6886 states have call successors, (7325) [2022-12-14 10:59:33,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23461 states to 23461 states and 31162 transitions. [2022-12-14 10:59:33,324 INFO L78 Accepts]: Start accepts. Automaton has 23461 states and 31162 transitions. Word has length 300 [2022-12-14 10:59:33,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:59:33,325 INFO L495 AbstractCegarLoop]: Abstraction has 23461 states and 31162 transitions. [2022-12-14 10:59:33,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.428571428571429) internal successors, (87), 6 states have internal predecessors, (87), 2 states have call successors, (43), 3 states have call predecessors, (43), 2 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) [2022-12-14 10:59:33,325 INFO L276 IsEmpty]: Start isEmpty. Operand 23461 states and 31162 transitions. [2022-12-14 10:59:33,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2022-12-14 10:59:33,331 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:59:33,331 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 9, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:59:33,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-12-14 10:59:33,331 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 10:59:33,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:59:33,331 INFO L85 PathProgramCache]: Analyzing trace with hash 910398278, now seen corresponding path program 1 times [2022-12-14 10:59:33,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:59:33,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619959560] [2022-12-14 10:59:33,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:59:33,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:59:35,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:59:37,647 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 4 proven. 52 refuted. 0 times theorem prover too weak. 788 trivial. 0 not checked. [2022-12-14 10:59:37,648 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:59:37,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619959560] [2022-12-14 10:59:37,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619959560] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 10:59:37,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [385109566] [2022-12-14 10:59:37,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:59:37,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:59:37,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:59:37,649 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:59:37,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 10:59:38,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:59:38,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 5880 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-14 10:59:38,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:59:39,047 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 622 trivial. 0 not checked. [2022-12-14 10:59:39,047 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 10:59:39,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [385109566] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:59:39,048 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 10:59:39,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [9] total 16 [2022-12-14 10:59:39,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719021835] [2022-12-14 10:59:39,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:59:39,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 10:59:39,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:59:39,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 10:59:39,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=210, Unknown=0, NotChecked=0, Total=240 [2022-12-14 10:59:39,049 INFO L87 Difference]: Start difference. First operand 23461 states and 31162 transitions. Second operand has 11 states, 8 states have (on average 14.75) internal successors, (118), 10 states have internal predecessors, (118), 6 states have call successors, (63), 2 states have call predecessors, (63), 4 states have return successors, (59), 6 states have call predecessors, (59), 6 states have call successors, (59) [2022-12-14 10:59:44,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:59:45,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:59:47,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 11:00:01,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:00:01,956 INFO L93 Difference]: Finished difference Result 48152 states and 64355 transitions. [2022-12-14 11:00:01,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 11:00:01,957 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 14.75) internal successors, (118), 10 states have internal predecessors, (118), 6 states have call successors, (63), 2 states have call predecessors, (63), 4 states have return successors, (59), 6 states have call predecessors, (59), 6 states have call successors, (59) Word has length 416 [2022-12-14 11:00:01,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:00:02,018 INFO L225 Difference]: With dead ends: 48152 [2022-12-14 11:00:02,018 INFO L226 Difference]: Without dead ends: 24865 [2022-12-14 11:00:02,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 412 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2022-12-14 11:00:02,060 INFO L413 NwaCegarLoop]: 3303 mSDtfsCounter, 946 mSDsluCounter, 28407 mSDsCounter, 0 mSdLazyCounter, 4671 mSolverCounterSat, 548 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 946 SdHoareTripleChecker+Valid, 31710 SdHoareTripleChecker+Invalid, 5219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 548 IncrementalHoareTripleChecker+Valid, 4671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2022-12-14 11:00:02,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [946 Valid, 31710 Invalid, 5219 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [548 Valid, 4671 Invalid, 0 Unknown, 0 Unchecked, 18.5s Time] [2022-12-14 11:00:02,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24865 states. [2022-12-14 11:00:05,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24865 to 23474. [2022-12-14 11:00:05,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23474 states, 13569 states have (on average 1.2495393912594885) internal successors, (16955), 14136 states have internal predecessors, (16955), 6895 states have call successors, (6895), 3008 states have call predecessors, (6895), 3001 states have return successors, (7330), 6750 states have call predecessors, (7330), 6891 states have call successors, (7330) [2022-12-14 11:00:05,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23474 states to 23474 states and 31180 transitions. [2022-12-14 11:00:05,322 INFO L78 Accepts]: Start accepts. Automaton has 23474 states and 31180 transitions. Word has length 416 [2022-12-14 11:00:05,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:00:05,323 INFO L495 AbstractCegarLoop]: Abstraction has 23474 states and 31180 transitions. [2022-12-14 11:00:05,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 14.75) internal successors, (118), 10 states have internal predecessors, (118), 6 states have call successors, (63), 2 states have call predecessors, (63), 4 states have return successors, (59), 6 states have call predecessors, (59), 6 states have call successors, (59) [2022-12-14 11:00:05,323 INFO L276 IsEmpty]: Start isEmpty. Operand 23474 states and 31180 transitions. [2022-12-14 11:00:05,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2022-12-14 11:00:05,334 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:00:05,334 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 10, 8, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:00:05,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 11:00:05,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:00:05,536 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 11:00:05,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:00:05,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1913202016, now seen corresponding path program 1 times [2022-12-14 11:00:05,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:00:05,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828348577] [2022-12-14 11:00:05,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:00:05,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:00:05,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:00:06,116 INFO L134 CoverageAnalysis]: Checked inductivity of 892 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 892 trivial. 0 not checked. [2022-12-14 11:00:06,116 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:00:06,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828348577] [2022-12-14 11:00:06,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828348577] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:00:06,117 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:00:06,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 11:00:06,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373406489] [2022-12-14 11:00:06,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:00:06,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:00:06,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:00:06,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:00:06,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:00:06,118 INFO L87 Difference]: Start difference. First operand 23474 states and 31180 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (65), 2 states have call predecessors, (65), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2022-12-14 11:00:08,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 11:00:14,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:00:14,836 INFO L93 Difference]: Finished difference Result 48237 states and 64476 transitions. [2022-12-14 11:00:14,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:00:14,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (65), 2 states have call predecessors, (65), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) Word has length 431 [2022-12-14 11:00:14,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:00:14,896 INFO L225 Difference]: With dead ends: 48237 [2022-12-14 11:00:14,897 INFO L226 Difference]: Without dead ends: 24885 [2022-12-14 11:00:14,939 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 11:00:14,940 INFO L413 NwaCegarLoop]: 3349 mSDtfsCounter, 244 mSDsluCounter, 3035 mSDsCounter, 0 mSdLazyCounter, 818 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 6384 SdHoareTripleChecker+Invalid, 818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:00:14,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 6384 Invalid, 818 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 818 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-12-14 11:00:14,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24885 states. [2022-12-14 11:00:18,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24885 to 23477. [2022-12-14 11:00:18,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23477 states, 13572 states have (on average 1.2495579133510168) internal successors, (16959), 14139 states have internal predecessors, (16959), 6895 states have call successors, (6895), 3008 states have call predecessors, (6895), 3001 states have return successors, (7330), 6750 states have call predecessors, (7330), 6891 states have call successors, (7330) [2022-12-14 11:00:18,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23477 states to 23477 states and 31184 transitions. [2022-12-14 11:00:18,114 INFO L78 Accepts]: Start accepts. Automaton has 23477 states and 31184 transitions. Word has length 431 [2022-12-14 11:00:18,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:00:18,115 INFO L495 AbstractCegarLoop]: Abstraction has 23477 states and 31184 transitions. [2022-12-14 11:00:18,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (65), 2 states have call predecessors, (65), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2022-12-14 11:00:18,115 INFO L276 IsEmpty]: Start isEmpty. Operand 23477 states and 31184 transitions. [2022-12-14 11:00:18,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2022-12-14 11:00:18,120 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:00:18,120 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:00:18,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-12-14 11:00:18,120 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 11:00:18,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:00:18,120 INFO L85 PathProgramCache]: Analyzing trace with hash 699702172, now seen corresponding path program 1 times [2022-12-14 11:00:18,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:00:18,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091312402] [2022-12-14 11:00:18,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:00:18,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:00:18,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:00:19,349 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 471 trivial. 0 not checked. [2022-12-14 11:00:19,349 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:00:19,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091312402] [2022-12-14 11:00:19,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091312402] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:00:19,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375115346] [2022-12-14 11:00:19,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:00:19,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:00:19,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:00:19,351 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:00:19,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 11:00:20,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:00:20,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 5079 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 11:00:20,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:00:20,614 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2022-12-14 11:00:20,614 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 11:00:20,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375115346] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:00:20,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 11:00:20,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 7 [2022-12-14 11:00:20,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123224508] [2022-12-14 11:00:20,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:00:20,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 11:00:20,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:00:20,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 11:00:20,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-14 11:00:20,616 INFO L87 Difference]: Start difference. First operand 23477 states and 31184 transitions. Second operand has 7 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 2 states have call successors, (50), 2 states have call predecessors, (50), 3 states have return successors, (48), 3 states have call predecessors, (48), 2 states have call successors, (48) [2022-12-14 11:00:25,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 11:00:26,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 11:00:31,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 11:00:38,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:00:38,867 INFO L93 Difference]: Finished difference Result 46118 states and 61777 transitions. [2022-12-14 11:00:38,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 11:00:38,867 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 2 states have call successors, (50), 2 states have call predecessors, (50), 3 states have return successors, (48), 3 states have call predecessors, (48), 2 states have call successors, (48) Word has length 294 [2022-12-14 11:00:38,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:00:38,940 INFO L225 Difference]: With dead ends: 46118 [2022-12-14 11:00:38,940 INFO L226 Difference]: Without dead ends: 26317 [2022-12-14 11:00:38,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:00:38,973 INFO L413 NwaCegarLoop]: 3174 mSDtfsCounter, 934 mSDsluCounter, 15607 mSDsCounter, 0 mSdLazyCounter, 2704 mSolverCounterSat, 392 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1089 SdHoareTripleChecker+Valid, 18781 SdHoareTripleChecker+Invalid, 3096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 392 IncrementalHoareTripleChecker+Valid, 2704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:00:38,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1089 Valid, 18781 Invalid, 3096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [392 Valid, 2704 Invalid, 0 Unknown, 0 Unchecked, 14.1s Time] [2022-12-14 11:00:38,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26317 states. [2022-12-14 11:00:42,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26317 to 23477. [2022-12-14 11:00:42,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23477 states, 13572 states have (on average 1.249484232242853) internal successors, (16958), 14139 states have internal predecessors, (16958), 6895 states have call successors, (6895), 3008 states have call predecessors, (6895), 3001 states have return successors, (7330), 6750 states have call predecessors, (7330), 6891 states have call successors, (7330) [2022-12-14 11:00:42,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23477 states to 23477 states and 31183 transitions. [2022-12-14 11:00:42,217 INFO L78 Accepts]: Start accepts. Automaton has 23477 states and 31183 transitions. Word has length 294 [2022-12-14 11:00:42,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:00:42,218 INFO L495 AbstractCegarLoop]: Abstraction has 23477 states and 31183 transitions. [2022-12-14 11:00:42,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 2 states have call successors, (50), 2 states have call predecessors, (50), 3 states have return successors, (48), 3 states have call predecessors, (48), 2 states have call successors, (48) [2022-12-14 11:00:42,218 INFO L276 IsEmpty]: Start isEmpty. Operand 23477 states and 31183 transitions. [2022-12-14 11:00:42,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2022-12-14 11:00:42,224 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:00:42,224 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 10, 8, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:00:42,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 11:00:42,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:00:42,426 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 11:00:42,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:00:42,427 INFO L85 PathProgramCache]: Analyzing trace with hash -340892197, now seen corresponding path program 1 times [2022-12-14 11:00:42,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:00:42,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407878699] [2022-12-14 11:00:42,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:00:42,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:00:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:00:43,325 INFO L134 CoverageAnalysis]: Checked inductivity of 894 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 894 trivial. 0 not checked. [2022-12-14 11:00:43,325 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:00:43,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407878699] [2022-12-14 11:00:43,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407878699] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:00:43,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:00:43,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 11:00:43,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131686136] [2022-12-14 11:00:43,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:00:43,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 11:00:43,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:00:43,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 11:00:43,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 11:00:43,327 INFO L87 Difference]: Start difference. First operand 23477 states and 31183 transitions. Second operand has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 3 states have call successors, (66), 2 states have call predecessors, (66), 1 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2022-12-14 11:00:52,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:00:52,282 INFO L93 Difference]: Finished difference Result 49643 states and 66741 transitions. [2022-12-14 11:00:52,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 11:00:52,283 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 3 states have call successors, (66), 2 states have call predecessors, (66), 1 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) Word has length 439 [2022-12-14 11:00:52,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:00:52,347 INFO L225 Difference]: With dead ends: 49643 [2022-12-14 11:00:52,348 INFO L226 Difference]: Without dead ends: 26291 [2022-12-14 11:00:52,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 11:00:52,390 INFO L413 NwaCegarLoop]: 3803 mSDtfsCounter, 482 mSDsluCounter, 3354 mSDsCounter, 0 mSdLazyCounter, 1083 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 759 SdHoareTripleChecker+Valid, 7157 SdHoareTripleChecker+Invalid, 1222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 1083 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-12-14 11:00:52,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [759 Valid, 7157 Invalid, 1222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 1083 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-12-14 11:00:52,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26291 states. [2022-12-14 11:00:55,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26291 to 23481. [2022-12-14 11:00:55,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23481 states, 13575 states have (on average 1.2495027624309392) internal successors, (16962), 14142 states have internal predecessors, (16962), 6896 states have call successors, (6896), 3008 states have call predecessors, (6896), 3001 states have return successors, (7331), 6751 states have call predecessors, (7331), 6892 states have call successors, (7331) [2022-12-14 11:00:55,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23481 states to 23481 states and 31189 transitions. [2022-12-14 11:00:55,626 INFO L78 Accepts]: Start accepts. Automaton has 23481 states and 31189 transitions. Word has length 439 [2022-12-14 11:00:55,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:00:55,627 INFO L495 AbstractCegarLoop]: Abstraction has 23481 states and 31189 transitions. [2022-12-14 11:00:55,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 3 states have call successors, (66), 2 states have call predecessors, (66), 1 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2022-12-14 11:00:55,627 INFO L276 IsEmpty]: Start isEmpty. Operand 23481 states and 31189 transitions. [2022-12-14 11:00:55,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2022-12-14 11:00:55,632 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:00:55,633 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 10, 8, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:00:55,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-12-14 11:00:55,633 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-12-14 11:00:55,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:00:55,633 INFO L85 PathProgramCache]: Analyzing trace with hash 189776324, now seen corresponding path program 1 times [2022-12-14 11:00:55,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:00:55,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49167462] [2022-12-14 11:00:55,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:00:55,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:00:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:00:58,425 INFO L134 CoverageAnalysis]: Checked inductivity of 894 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 884 trivial. 0 not checked. [2022-12-14 11:00:58,425 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:00:58,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49167462] [2022-12-14 11:00:58,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49167462] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:00:58,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1058037391] [2022-12-14 11:00:58,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:00:58,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:00:58,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:00:58,426 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:00:58,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56efdbe-2d52-4a31-8862-75d3bc32e39c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 11:01:00,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:01:00,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 6042 conjuncts, 40 conjunts are in the unsatisfiable core [2022-12-14 11:01:00,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:01:00,634 INFO L134 CoverageAnalysis]: Checked inductivity of 894 backedges. 234 proven. 2 refuted. 0 times theorem prover too weak. 658 trivial. 0 not checked. [2022-12-14 11:01:00,635 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:01:01,221 INFO L134 CoverageAnalysis]: Checked inductivity of 894 backedges. 4 proven. 48 refuted. 0 times theorem prover too weak. 842 trivial. 0 not checked. [2022-12-14 11:01:01,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1058037391] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:01:01,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1218501988] [2022-12-14 11:01:01,244 INFO L159 IcfgInterpreter]: Started Sifa with 213 locations of interest [2022-12-14 11:01:01,244 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:01:01,248 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:01:01,252 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:01:01,253 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:01:11,815 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 9 treesize of output 11 [2022-12-14 11:01:12,293 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 9 treesize of output 11 [2022-12-14 11:01:12,786 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 9 treesize of output 11 [2022-12-14 11:01:14,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:14,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:14,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:14,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:14,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:14,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:14,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:14,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:14,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:14,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:14,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:14,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:14,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:14,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:14,545 INFO L217 Elim1Store]: Index analysis took 595 ms [2022-12-14 11:01:17,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 28 select indices, 28 select index equivalence classes, 146 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 277 treesize of output 346 [2022-12-14 11:01:17,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:18,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:18,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:18,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:18,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:18,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:18,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:18,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:18,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:18,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:18,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:18,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:18,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:18,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 28 select indices, 28 select index equivalence classes, 155 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 294 treesize of output 375 [2022-12-14 11:01:18,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:18,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:18,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:18,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:18,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:18,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:18,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:18,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:18,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:18,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:18,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:18,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:18,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:18,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 28 select indices, 28 select index equivalence classes, 146 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 279 treesize of output 348 [2022-12-14 11:01:19,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:19,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:19,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:19,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:19,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:19,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:19,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:19,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:19,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:19,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:19,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:19,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:19,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:19,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 28 select indices, 28 select index equivalence classes, 151 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 289 treesize of output 366 [2022-12-14 11:01:21,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:21,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:21,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:21,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:21,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:21,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:21,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:21,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:21,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:21,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:21,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:21,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:21,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:21,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:21,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:21,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:21,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:21,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:21,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:21,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:21,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:21,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:21,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:21,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:21,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:01:21,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 28 select indices, 28 select index equivalence classes, 223 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 326 treesize of output 439 [2022-12-14 11:01:21,746 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 9 treesize of output 11 [2022-12-14 11:01:22,346 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 9 treesize of output 11 [2022-12-14 11:01:22,577 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 9 treesize of output 11 [2022-12-14 11:01:22,867 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 9 treesize of output 11 [2022-12-14 11:01:23,179 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 9 treesize of output 11 [2022-12-14 11:01:23,559 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 9 treesize of output 11 [2022-12-14 11:01:23,786 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 9 treesize of output 11 [2022-12-14 11:01:23,981 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 9 treesize of output 11 [2022-12-14 11:01:24,153 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 9 treesize of output 11 [2022-12-14 11:01:25,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 40 select indices, 40 select index equivalence classes, 820 disjoint index pairs (out of 780 index pairs), introduced 40 new quantified variables, introduced 0 case distinctions, treesize of input 1940 treesize of output 1609 [2022-12-14 11:01:27,431 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 9 treesize of output 11 [2022-12-14 11:02:32,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:32,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:32,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:02:38,054 INFO L217 Elim1Store]: Index analysis took 7646 ms [2022-12-14 11:05:33,222 WARN L233 SmtUtils]: Spent 2.92m on a formula simplification. DAG size of input: 4790 DAG size of output: 2381 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 11:05:33,228 INFO L321 Elim1Store]: treesize reduction 11706, result has 27.5 percent of original size [2022-12-14 11:05:33,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 299 select indices, 299 select index equivalence classes, 44557 disjoint index pairs (out of 44551 index pairs), introduced 299 new quantified variables, introduced 300 case distinctions, treesize of input 1508 treesize of output 5348 [2022-12-14 11:05:44,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:48,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:52,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:05:56,428 INFO L217 Elim1Store]: Index analysis took 13273 ms