./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 38b53e6a 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_c801997e-2954-4edb-b717-b5e4c6c4da6a/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/bin/utaipan-ByfvJB40ur/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_c801997e-2954-4edb-b717-b5e4c6c4da6a/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/bin/utaipan-ByfvJB40ur --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-38b53e6 [2022-11-25 22:36:19,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:36:19,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:36:19,116 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:36:19,117 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:36:19,118 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:36:19,122 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:36:19,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:36:19,131 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:36:19,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:36:19,140 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:36:19,141 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:36:19,141 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:36:19,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:36:19,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:36:19,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:36:19,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:36:19,146 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:36:19,148 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:36:19,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:36:19,151 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:36:19,152 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:36:19,154 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:36:19,155 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:36:19,158 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:36:19,159 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:36:19,159 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:36:19,160 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:36:19,161 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:36:19,162 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:36:19,162 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:36:19,163 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:36:19,164 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:36:19,165 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:36:19,166 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:36:19,166 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:36:19,167 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:36:19,167 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:36:19,167 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:36:19,168 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:36:19,169 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:36:19,170 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 22:36:19,192 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:36:19,193 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:36:19,193 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:36:19,193 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:36:19,194 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:36:19,194 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:36:19,194 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:36:19,195 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:36:19,195 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:36:19,195 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:36:19,195 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:36:19,195 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:36:19,196 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:36:19,196 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:36:19,196 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:36:19,196 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:36:19,196 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:36:19,197 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:36:19,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:36:19,198 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:36:19,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:36:19,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:36:19,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:36:19,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:36:19,199 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:36:19,199 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:36:19,199 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:36:19,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:36:19,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:36:19,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:36:19,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:36:19,200 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:36:19,200 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:36:19,200 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:36:19,201 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:36:19,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:36:19,201 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:36:19,201 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:36:19,201 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_c801997e-2954-4edb-b717-b5e4c6c4da6a/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c12097eac5f261adffff229683e356131e183db7c13bb0d667f223c1dbcfa9a [2022-11-25 22:36:19,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:36:19,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:36:19,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:36:19,477 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:36:19,477 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:36:19,478 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i [2022-11-25 22:36:22,667 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:36:23,468 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:36:23,469 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i [2022-11-25 22:36:23,534 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/bin/utaipan-ByfvJB40ur/data/b9fbba8f7/3529bec53ba742b28c01a04bfef37c29/FLAGa245b5cdf [2022-11-25 22:36:23,561 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/bin/utaipan-ByfvJB40ur/data/b9fbba8f7/3529bec53ba742b28c01a04bfef37c29 [2022-11-25 22:36:23,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:36:23,568 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:36:23,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:36:23,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:36:23,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:36:23,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:36:23" (1/1) ... [2022-11-25 22:36:23,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f21cfc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:36:23, skipping insertion in model container [2022-11-25 22:36:23,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:36:23" (1/1) ... [2022-11-25 22:36:23,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:36:23,828 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:36:25,106 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 22:36:25,118 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-25 22:36:25,131 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 22:36:25,143 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-25 22:36:25,155 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 22:36:25,245 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 22:36:25,586 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:36:25,590 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:36:25,759 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:25,769 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:25,770 WARN L623 FunctionHandler]: Unknown extern function usb_clear_halt [2022-11-25 22:36:25,773 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:25,776 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:25,777 WARN L623 FunctionHandler]: Unknown extern function usb_queue_reset_device [2022-11-25 22:36:25,780 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 22:36:25,783 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 22:36:25,807 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:25,820 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface_async [2022-11-25 22:36:25,823 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface_no_suspend [2022-11-25 22:36:25,825 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface_async [2022-11-25 22:36:25,827 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 22:36:25,835 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:36:25,839 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:25,840 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface_async [2022-11-25 22:36:25,841 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface_no_suspend [2022-11-25 22:36:25,842 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface_async [2022-11-25 22:36:25,842 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 22:36:25,852 WARN L623 FunctionHandler]: Unknown extern function hid_input_report [2022-11-25 22:36:25,853 WARN L623 FunctionHandler]: Unknown extern function hid_check_keys_pressed [2022-11-25 22:36:25,854 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 22:36:25,856 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:25,861 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:25,862 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:25,863 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:25,868 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:25,874 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:25,876 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:25,884 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 22:36:25,887 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface_async [2022-11-25 22:36:25,887 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 22:36:25,895 WARN L623 FunctionHandler]: Unknown extern function hid_input_report [2022-11-25 22:36:25,897 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 22:36:25,899 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface_async [2022-11-25 22:36:25,899 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 22:36:25,908 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 22:36:25,910 WARN L623 FunctionHandler]: Unknown extern function hid_alloc_report_buf [2022-11-25 22:36:25,911 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 22:36:25,912 WARN L623 FunctionHandler]: Unknown extern function hid_output_report [2022-11-25 22:36:25,915 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface_no_resume [2022-11-25 22:36:25,920 WARN L623 FunctionHandler]: Unknown extern function usb_block_urb [2022-11-25 22:36:25,921 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-11-25 22:36:25,929 WARN L623 FunctionHandler]: Unknown extern function usb_unpoison_urb [2022-11-25 22:36:25,930 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface_async [2022-11-25 22:36:25,931 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 22:36:25,931 WARN L623 FunctionHandler]: Unknown extern function hid_alloc_report_buf [2022-11-25 22:36:25,932 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 22:36:25,933 WARN L623 FunctionHandler]: Unknown extern function hid_output_report [2022-11-25 22:36:25,935 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface_no_resume [2022-11-25 22:36:25,939 WARN L623 FunctionHandler]: Unknown extern function usb_block_urb [2022-11-25 22:36:25,940 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-11-25 22:36:25,940 WARN L623 FunctionHandler]: Unknown extern function usb_unpoison_urb [2022-11-25 22:36:25,941 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface_async [2022-11-25 22:36:25,954 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 22:36:25,966 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-11-25 22:36:25,969 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-11-25 22:36:25,969 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 22:36:25,970 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:25,976 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 22:36:25,983 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 22:36:25,985 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface [2022-11-25 22:36:25,986 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-11-25 22:36:25,987 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 22:36:25,988 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 22:36:25,992 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 22:36:25,993 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 22:36:25,993 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 22:36:26,009 WARN L623 FunctionHandler]: Unknown extern function hid_set_field [2022-11-25 22:36:26,032 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 22:36:26,040 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 22:36:26,049 WARN L623 FunctionHandler]: Unknown extern function usb_interrupt_msg [2022-11-25 22:36:26,063 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:26,070 WARN L623 FunctionHandler]: Unknown extern function __usb_get_extra_descriptor [2022-11-25 22:36:26,071 WARN L623 FunctionHandler]: Unknown extern function __usb_get_extra_descriptor [2022-11-25 22:36:26,072 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:26,073 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:26,074 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:26,076 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:26,080 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:26,080 WARN L623 FunctionHandler]: Unknown extern function hid_parse_report [2022-11-25 22:36:26,081 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:26,081 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:26,108 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:26,113 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface [2022-11-25 22:36:26,114 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:26,115 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-11-25 22:36:26,115 WARN L623 FunctionHandler]: Unknown extern function device_set_wakeup_enable [2022-11-25 22:36:26,130 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:36:26,132 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 22:36:26,132 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 22:36:26,133 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 22:36:26,178 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:26,180 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:26,182 WARN L623 FunctionHandler]: Unknown extern function hid_allocate_device [2022-11-25 22:36:26,186 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 22:36:26,187 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-11-25 22:36:26,189 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-11-25 22:36:26,191 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-11-25 22:36:26,193 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-11-25 22:36:26,195 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 22:36:26,197 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 22:36:26,198 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 22:36:26,199 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 22:36:26,199 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:36:26,201 WARN L623 FunctionHandler]: Unknown extern function hid_add_device [2022-11-25 22:36:26,204 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:26,204 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:26,206 WARN L623 FunctionHandler]: Unknown extern function hid_destroy_device [2022-11-25 22:36:26,214 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:36:26,215 WARN L623 FunctionHandler]: Unknown extern function hid_destroy_device [2022-11-25 22:36:26,215 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:26,215 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 22:36:26,222 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 22:36:26,222 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 22:36:26,222 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 22:36:26,237 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:26,238 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:26,239 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:26,240 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 22:36:26,241 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:26,241 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:26,291 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface [2022-11-25 22:36:26,292 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-11-25 22:36:26,326 WARN L623 FunctionHandler]: Unknown extern function hidinput_count_leds [2022-11-25 22:36:26,340 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:26,348 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:26,374 WARN L623 FunctionHandler]: Unknown extern function usb_find_interface [2022-11-25 22:36:26,382 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:26,638 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 22:36:26,644 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:36:26,645 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:36:26,646 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 22:36:26,647 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:36:26,647 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:36:26,653 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 22:36:26,653 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 22:36:26,654 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-11-25 22:36:26,654 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-11-25 22:36:26,656 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 22:36:26,673 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 22:36:26,717 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:26,724 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:26,726 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:26,726 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-11-25 22:36:26,727 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:26,728 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-25 22:36:26,736 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-11-25 22:36:26,737 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 22:36:26,738 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:26,738 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-25 22:36:26,741 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:26,742 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:26,752 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:26,758 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-11-25 22:36:26,760 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-11-25 22:36:26,857 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:36:27,047 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 22:36:27,048 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 22:36:27,048 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 22:36:27,049 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-11-25 22:36:27,055 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 22:36:27,055 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 22:36:27,057 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 22:36:27,057 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-11-25 22:36:27,140 WARN L623 FunctionHandler]: Unknown extern function __hid_request [2022-11-25 22:36:27,180 WARN L623 FunctionHandler]: Unknown extern function kill_fasync [2022-11-25 22:36:27,182 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 22:36:27,198 WARN L623 FunctionHandler]: Unknown extern function fasync_helper [2022-11-25 22:36:27,205 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 22:36:27,206 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:27,206 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-25 22:36:27,207 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-25 22:36:27,213 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 22:36:27,215 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-25 22:36:27,229 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 22:36:27,229 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 22:36:27,230 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 22:36:27,231 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 22:36:27,231 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 22:36:27,257 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:27,259 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:27,259 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:27,259 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:27,267 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 22:36:27,268 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-11-25 22:36:27,268 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:27,269 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:27,269 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:27,280 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 22:36:27,283 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 22:36:27,284 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 22:36:27,305 WARN L623 FunctionHandler]: Unknown extern function kasprintf [2022-11-25 22:36:27,309 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 22:36:27,309 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:36:27,309 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 22:36:27,310 WARN L623 FunctionHandler]: Unknown extern function usb_register_dev [2022-11-25 22:36:27,310 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:27,311 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:27,311 WARN L623 FunctionHandler]: Unknown extern function usb_deregister_dev [2022-11-25 22:36:27,312 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 22:36:27,312 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:27,372 WARN L623 FunctionHandler]: Unknown extern function noop_llseek [2022-11-25 22:36:27,375 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:36:27,376 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:36:27,426 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 22:36:27,426 WARN L623 FunctionHandler]: Unknown extern function up [2022-11-25 22:36:27,433 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 22:36:27,434 WARN L623 FunctionHandler]: Unknown extern function down [2022-11-25 22:36:27,458 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:27,470 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:27,483 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:27,567 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:27,569 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:27,571 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:27,573 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:27,574 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:27,600 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:27,609 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:27,615 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:27,616 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:27,643 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:27,645 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:27,647 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:27,662 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:27,664 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:27,672 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:27,679 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:27,693 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:27,695 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:27,696 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:27,696 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:27,697 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:27,697 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:27,698 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:27,699 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:27,700 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:27,701 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:27,708 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:27,720 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:27,721 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:27,721 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:27,722 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:27,723 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 22:36:27,723 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 22:36:27,724 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 22:36:27,726 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 22:36:27,727 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 22:36:27,729 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 22:36:27,730 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 22:36:27,738 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 22:36:27,739 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:27,746 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:27,747 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-11-25 22:36:27,749 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:27,754 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:27,757 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:27,759 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:27,768 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:27,770 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:27,771 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-11-25 22:36:27,771 WARN L623 FunctionHandler]: Unknown extern function input_ff_create [2022-11-25 22:36:27,773 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 22:36:27,773 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:28,408 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 22:36:28,741 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:36:29,511 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_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[497733,497746] [2022-11-25 22:36:29,515 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[497878,497891] [2022-11-25 22:36:29,516 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[498024,498037] [2022-11-25 22:36:29,516 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[498189,498202] [2022-11-25 22:36:29,517 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[498347,498360] [2022-11-25 22:36:29,517 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[498505,498518] [2022-11-25 22:36:29,518 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[498663,498676] [2022-11-25 22:36:29,518 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[498823,498836] [2022-11-25 22:36:29,518 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[498982,498995] [2022-11-25 22:36:29,519 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[499121,499134] [2022-11-25 22:36:29,519 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[499263,499276] [2022-11-25 22:36:29,520 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[499412,499425] [2022-11-25 22:36:29,520 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[499551,499564] [2022-11-25 22:36:29,521 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[499706,499719] [2022-11-25 22:36:29,521 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[499866,499879] [2022-11-25 22:36:29,521 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[500017,500030] [2022-11-25 22:36:29,522 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[500168,500181] [2022-11-25 22:36:29,522 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[500320,500333] [2022-11-25 22:36:29,523 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[500469,500482] [2022-11-25 22:36:29,523 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[500617,500630] [2022-11-25 22:36:29,524 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[500774,500787] [2022-11-25 22:36:29,524 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[500923,500936] [2022-11-25 22:36:29,525 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[501079,501092] [2022-11-25 22:36:29,525 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[501232,501245] [2022-11-25 22:36:29,526 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[501378,501391] [2022-11-25 22:36:29,527 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[501521,501534] [2022-11-25 22:36:29,527 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[501673,501686] [2022-11-25 22:36:29,528 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[501819,501832] [2022-11-25 22:36:29,528 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[501964,501977] [2022-11-25 22:36:29,528 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[502118,502131] [2022-11-25 22:36:29,529 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[502269,502282] [2022-11-25 22:36:29,529 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[502424,502437] [2022-11-25 22:36:29,530 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[502576,502589] [2022-11-25 22:36:29,530 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[502731,502744] [2022-11-25 22:36:29,531 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[502895,502908] [2022-11-25 22:36:29,531 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[503051,503064] [2022-11-25 22:36:29,531 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[503215,503228] [2022-11-25 22:36:29,532 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[503357,503370] [2022-11-25 22:36:29,532 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[503515,503528] [2022-11-25 22:36:29,533 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[503682,503695] [2022-11-25 22:36:29,533 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[503841,503854] [2022-11-25 22:36:29,533 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[504000,504013] [2022-11-25 22:36:29,534 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[504149,504162] [2022-11-25 22:36:29,534 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[504296,504309] [2022-11-25 22:36:29,534 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[504435,504448] [2022-11-25 22:36:29,535 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[504598,504611] [2022-11-25 22:36:29,535 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[504764,504777] [2022-11-25 22:36:29,536 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[504928,504941] [2022-11-25 22:36:29,536 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[505093,505106] [2022-11-25 22:36:29,536 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[505258,505271] [2022-11-25 22:36:29,537 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[505424,505437] [2022-11-25 22:36:29,537 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[505589,505602] [2022-11-25 22:36:29,538 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[505756,505769] [2022-11-25 22:36:29,538 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[505916,505929] [2022-11-25 22:36:29,538 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[506078,506091] [2022-11-25 22:36:29,539 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[506237,506250] [2022-11-25 22:36:29,539 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[506383,506396] [2022-11-25 22:36:29,540 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[506526,506539] [2022-11-25 22:36:29,540 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[506670,506683] [2022-11-25 22:36:29,540 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[506813,506826] [2022-11-25 22:36:29,541 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[506957,506970] [2022-11-25 22:36:29,541 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[507098,507111] [2022-11-25 22:36:29,542 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[507236,507249] [2022-11-25 22:36:29,542 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[507394,507407] [2022-11-25 22:36:29,542 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[507553,507566] [2022-11-25 22:36:29,543 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[507709,507722] [2022-11-25 22:36:29,543 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[507858,507871] [2022-11-25 22:36:29,544 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[508010,508023] [2022-11-25 22:36:29,544 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[508161,508174] [2022-11-25 22:36:29,544 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[508310,508323] [2022-11-25 22:36:29,545 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[508462,508475] [2022-11-25 22:36:29,545 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[508610,508623] [2022-11-25 22:36:29,546 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[508763,508776] [2022-11-25 22:36:29,546 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[508914,508927] [2022-11-25 22:36:29,546 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[509064,509077] [2022-11-25 22:36:29,547 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[509211,509224] [2022-11-25 22:36:29,547 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[509362,509375] [2022-11-25 22:36:29,548 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[509513,509526] [2022-11-25 22:36:29,548 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[509661,509674] [2022-11-25 22:36:29,548 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[509827,509840] [2022-11-25 22:36:29,549 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[509996,510009] [2022-11-25 22:36:29,549 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[510163,510176] [2022-11-25 22:36:29,550 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[510331,510344] [2022-11-25 22:36:29,550 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[510481,510494] [2022-11-25 22:36:29,551 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[510628,510641] [2022-11-25 22:36:29,551 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[510789,510802] [2022-11-25 22:36:29,551 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[510959,510972] [2022-11-25 22:36:29,552 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[511121,511134] [2022-11-25 22:36:29,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:36:29,611 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:36:29,705 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 22:36:29,705 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-25 22:36:29,706 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 22:36:29,706 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-25 22:36:29,707 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 22:36:29,708 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 22:36:29,720 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:36:29,721 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:36:29,726 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:29,728 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:29,730 WARN L623 FunctionHandler]: Unknown extern function usb_clear_halt [2022-11-25 22:36:29,733 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:29,734 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:29,735 WARN L623 FunctionHandler]: Unknown extern function usb_queue_reset_device [2022-11-25 22:36:29,736 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 22:36:29,737 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 22:36:29,739 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:29,740 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface_async [2022-11-25 22:36:29,740 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface_no_suspend [2022-11-25 22:36:29,741 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface_async [2022-11-25 22:36:29,741 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 22:36:29,742 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:36:29,745 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:29,746 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface_async [2022-11-25 22:36:29,746 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface_no_suspend [2022-11-25 22:36:29,747 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface_async [2022-11-25 22:36:29,747 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 22:36:29,749 WARN L623 FunctionHandler]: Unknown extern function hid_input_report [2022-11-25 22:36:29,749 WARN L623 FunctionHandler]: Unknown extern function hid_check_keys_pressed [2022-11-25 22:36:29,750 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 22:36:29,754 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:29,762 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:29,763 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:29,763 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:29,767 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:29,814 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:29,815 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:29,816 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 22:36:29,817 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface_async [2022-11-25 22:36:29,818 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 22:36:29,819 WARN L623 FunctionHandler]: Unknown extern function hid_input_report [2022-11-25 22:36:29,820 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 22:36:29,821 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface_async [2022-11-25 22:36:29,821 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 22:36:29,822 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 22:36:29,823 WARN L623 FunctionHandler]: Unknown extern function hid_alloc_report_buf [2022-11-25 22:36:29,823 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 22:36:29,824 WARN L623 FunctionHandler]: Unknown extern function hid_output_report [2022-11-25 22:36:29,825 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface_no_resume [2022-11-25 22:36:29,825 WARN L623 FunctionHandler]: Unknown extern function usb_block_urb [2022-11-25 22:36:29,825 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-11-25 22:36:29,826 WARN L623 FunctionHandler]: Unknown extern function usb_unpoison_urb [2022-11-25 22:36:29,826 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface_async [2022-11-25 22:36:29,827 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 22:36:29,827 WARN L623 FunctionHandler]: Unknown extern function hid_alloc_report_buf [2022-11-25 22:36:29,828 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 22:36:29,828 WARN L623 FunctionHandler]: Unknown extern function hid_output_report [2022-11-25 22:36:29,829 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface_no_resume [2022-11-25 22:36:29,829 WARN L623 FunctionHandler]: Unknown extern function usb_block_urb [2022-11-25 22:36:29,830 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-11-25 22:36:29,830 WARN L623 FunctionHandler]: Unknown extern function usb_unpoison_urb [2022-11-25 22:36:29,830 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface_async [2022-11-25 22:36:29,832 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 22:36:29,833 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-11-25 22:36:29,834 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-11-25 22:36:29,834 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 22:36:29,834 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:29,835 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 22:36:29,836 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 22:36:29,837 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface [2022-11-25 22:36:29,838 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-11-25 22:36:29,839 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 22:36:29,840 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 22:36:29,842 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 22:36:29,843 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 22:36:29,843 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 22:36:29,846 WARN L623 FunctionHandler]: Unknown extern function hid_set_field [2022-11-25 22:36:29,852 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 22:36:29,858 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 22:36:29,862 WARN L623 FunctionHandler]: Unknown extern function usb_interrupt_msg [2022-11-25 22:36:29,864 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:29,869 WARN L623 FunctionHandler]: Unknown extern function __usb_get_extra_descriptor [2022-11-25 22:36:29,869 WARN L623 FunctionHandler]: Unknown extern function __usb_get_extra_descriptor [2022-11-25 22:36:29,870 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:29,871 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:29,872 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:29,872 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:29,873 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:29,873 WARN L623 FunctionHandler]: Unknown extern function hid_parse_report [2022-11-25 22:36:29,873 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:29,874 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:29,879 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:29,883 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface [2022-11-25 22:36:29,884 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:29,884 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-11-25 22:36:29,884 WARN L623 FunctionHandler]: Unknown extern function device_set_wakeup_enable [2022-11-25 22:36:29,886 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:36:29,887 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 22:36:29,887 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 22:36:29,887 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 22:36:29,899 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:29,900 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:29,901 WARN L623 FunctionHandler]: Unknown extern function hid_allocate_device [2022-11-25 22:36:29,916 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 22:36:29,917 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-11-25 22:36:29,917 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-11-25 22:36:29,918 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-11-25 22:36:29,919 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-11-25 22:36:29,920 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 22:36:29,920 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 22:36:29,920 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 22:36:29,921 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 22:36:29,921 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:36:29,922 WARN L623 FunctionHandler]: Unknown extern function hid_add_device [2022-11-25 22:36:29,922 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:29,922 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:29,923 WARN L623 FunctionHandler]: Unknown extern function hid_destroy_device [2022-11-25 22:36:29,924 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:36:29,924 WARN L623 FunctionHandler]: Unknown extern function hid_destroy_device [2022-11-25 22:36:29,924 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:29,925 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 22:36:29,925 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 22:36:29,926 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 22:36:29,926 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 22:36:29,927 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:29,928 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:29,928 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:29,928 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 22:36:29,929 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:29,929 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:29,930 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface [2022-11-25 22:36:29,931 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-11-25 22:36:29,937 WARN L623 FunctionHandler]: Unknown extern function hidinput_count_leds [2022-11-25 22:36:29,945 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:29,947 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:29,952 WARN L623 FunctionHandler]: Unknown extern function usb_find_interface [2022-11-25 22:36:29,954 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:29,971 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 22:36:29,971 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:36:29,972 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:36:29,972 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 22:36:29,973 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:36:29,974 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:36:29,977 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 22:36:29,978 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 22:36:29,979 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-11-25 22:36:29,979 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-11-25 22:36:29,980 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 22:36:29,981 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 22:36:29,986 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:29,987 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:29,987 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:29,988 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-11-25 22:36:29,989 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:29,989 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-25 22:36:29,990 WARN L623 FunctionHandler]: Unknown extern function down_write [2022-11-25 22:36:29,991 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 22:36:29,991 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:29,991 WARN L623 FunctionHandler]: Unknown extern function up_write [2022-11-25 22:36:29,992 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:29,993 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:29,994 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:29,996 WARN L623 FunctionHandler]: Unknown extern function down_read [2022-11-25 22:36:29,996 WARN L623 FunctionHandler]: Unknown extern function up_read [2022-11-25 22:36:29,998 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:36:30,000 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 22:36:30,000 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 22:36:30,001 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 22:36:30,001 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-11-25 22:36:30,002 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 22:36:30,002 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 22:36:30,002 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 22:36:30,003 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-11-25 22:36:30,007 WARN L623 FunctionHandler]: Unknown extern function __hid_request [2022-11-25 22:36:30,015 WARN L623 FunctionHandler]: Unknown extern function kill_fasync [2022-11-25 22:36:30,016 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 22:36:30,019 WARN L623 FunctionHandler]: Unknown extern function fasync_helper [2022-11-25 22:36:30,019 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 22:36:30,020 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:30,021 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-25 22:36:30,021 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-25 22:36:30,022 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 22:36:30,024 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-25 22:36:30,026 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 22:36:30,027 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 22:36:30,027 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 22:36:30,028 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 22:36:30,029 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 22:36:30,037 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:30,038 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:30,038 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:30,038 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:30,042 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 22:36:30,043 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-11-25 22:36:30,043 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:30,044 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:30,044 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:30,047 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 22:36:30,052 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 22:36:30,053 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 22:36:30,062 WARN L623 FunctionHandler]: Unknown extern function kasprintf [2022-11-25 22:36:30,065 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 22:36:30,066 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:36:30,066 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 22:36:30,066 WARN L623 FunctionHandler]: Unknown extern function usb_register_dev [2022-11-25 22:36:30,067 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:30,067 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:30,068 WARN L623 FunctionHandler]: Unknown extern function usb_deregister_dev [2022-11-25 22:36:30,069 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 22:36:30,069 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:30,074 WARN L623 FunctionHandler]: Unknown extern function noop_llseek [2022-11-25 22:36:30,075 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:36:30,076 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:36:30,077 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 22:36:30,078 WARN L623 FunctionHandler]: Unknown extern function up [2022-11-25 22:36:30,078 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 22:36:30,079 WARN L623 FunctionHandler]: Unknown extern function down [2022-11-25 22:36:30,081 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:30,083 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:30,085 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:30,097 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:30,098 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:30,100 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:30,101 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:30,102 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:30,105 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:30,108 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:30,112 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:30,114 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:30,117 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:30,118 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:30,120 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 22:36:30,122 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:30,124 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:30,126 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:30,127 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:36:30,129 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:30,131 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:30,131 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:30,132 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:30,132 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:30,133 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:30,133 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:30,134 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:30,134 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:30,135 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:30,136 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:30,139 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:30,139 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:30,140 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:30,140 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:30,141 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 22:36:30,141 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 22:36:30,142 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 22:36:30,142 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 22:36:30,143 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 22:36:30,144 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 22:36:30,145 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 22:36:30,147 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 22:36:30,148 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:30,149 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:36:30,150 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-11-25 22:36:30,152 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:30,153 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:30,154 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:30,156 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:30,157 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:30,158 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:36:30,159 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-11-25 22:36:30,159 WARN L623 FunctionHandler]: Unknown extern function input_ff_create [2022-11-25 22:36:30,161 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 22:36:30,162 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:36:30,219 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 22:36:30,226 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:36:30,251 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[497733,497746] [2022-11-25 22:36:30,251 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[497878,497891] [2022-11-25 22:36:30,252 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[498024,498037] [2022-11-25 22:36:30,252 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[498189,498202] [2022-11-25 22:36:30,252 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[498347,498360] [2022-11-25 22:36:30,253 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[498505,498518] [2022-11-25 22:36:30,253 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[498663,498676] [2022-11-25 22:36:30,253 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[498823,498836] [2022-11-25 22:36:30,254 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[498982,498995] [2022-11-25 22:36:30,254 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[499121,499134] [2022-11-25 22:36:30,254 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[499263,499276] [2022-11-25 22:36:30,255 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[499412,499425] [2022-11-25 22:36:30,255 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[499551,499564] [2022-11-25 22:36:30,256 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[499706,499719] [2022-11-25 22:36:30,256 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[499866,499879] [2022-11-25 22:36:30,256 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[500017,500030] [2022-11-25 22:36:30,257 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[500168,500181] [2022-11-25 22:36:30,257 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[500320,500333] [2022-11-25 22:36:30,257 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[500469,500482] [2022-11-25 22:36:30,258 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[500617,500630] [2022-11-25 22:36:30,258 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[500774,500787] [2022-11-25 22:36:30,258 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[500923,500936] [2022-11-25 22:36:30,259 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[501079,501092] [2022-11-25 22:36:30,259 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[501232,501245] [2022-11-25 22:36:30,260 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[501378,501391] [2022-11-25 22:36:30,260 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[501521,501534] [2022-11-25 22:36:30,261 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[501673,501686] [2022-11-25 22:36:30,261 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[501819,501832] [2022-11-25 22:36:30,261 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[501964,501977] [2022-11-25 22:36:30,262 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[502118,502131] [2022-11-25 22:36:30,262 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[502269,502282] [2022-11-25 22:36:30,263 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[502424,502437] [2022-11-25 22:36:30,263 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[502576,502589] [2022-11-25 22:36:30,263 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[502731,502744] [2022-11-25 22:36:30,264 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[502895,502908] [2022-11-25 22:36:30,264 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[503051,503064] [2022-11-25 22:36:30,264 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[503215,503228] [2022-11-25 22:36:30,265 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[503357,503370] [2022-11-25 22:36:30,265 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[503515,503528] [2022-11-25 22:36:30,265 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[503682,503695] [2022-11-25 22:36:30,266 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[503841,503854] [2022-11-25 22:36:30,266 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[504000,504013] [2022-11-25 22:36:30,267 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[504149,504162] [2022-11-25 22:36:30,267 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[504296,504309] [2022-11-25 22:36:30,267 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[504435,504448] [2022-11-25 22:36:30,268 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[504598,504611] [2022-11-25 22:36:30,268 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[504764,504777] [2022-11-25 22:36:30,268 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[504928,504941] [2022-11-25 22:36:30,269 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[505093,505106] [2022-11-25 22:36:30,269 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[505258,505271] [2022-11-25 22:36:30,270 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[505424,505437] [2022-11-25 22:36:30,270 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[505589,505602] [2022-11-25 22:36:30,270 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[505756,505769] [2022-11-25 22:36:30,271 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[505916,505929] [2022-11-25 22:36:30,271 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[506078,506091] [2022-11-25 22:36:30,271 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[506237,506250] [2022-11-25 22:36:30,272 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[506383,506396] [2022-11-25 22:36:30,272 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[506526,506539] [2022-11-25 22:36:30,272 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[506670,506683] [2022-11-25 22:36:30,273 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[506813,506826] [2022-11-25 22:36:30,273 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[506957,506970] [2022-11-25 22:36:30,274 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[507098,507111] [2022-11-25 22:36:30,274 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[507236,507249] [2022-11-25 22:36:30,274 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[507394,507407] [2022-11-25 22:36:30,275 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[507553,507566] [2022-11-25 22:36:30,275 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[507709,507722] [2022-11-25 22:36:30,275 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[507858,507871] [2022-11-25 22:36:30,276 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[508010,508023] [2022-11-25 22:36:30,276 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[508161,508174] [2022-11-25 22:36:30,276 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[508310,508323] [2022-11-25 22:36:30,277 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[508462,508475] [2022-11-25 22:36:30,277 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[508610,508623] [2022-11-25 22:36:30,278 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[508763,508776] [2022-11-25 22:36:30,278 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[508914,508927] [2022-11-25 22:36:30,278 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[509064,509077] [2022-11-25 22:36:30,279 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[509211,509224] [2022-11-25 22:36:30,279 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[509362,509375] [2022-11-25 22:36:30,279 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[509513,509526] [2022-11-25 22:36:30,280 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[509661,509674] [2022-11-25 22:36:30,280 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[509827,509840] [2022-11-25 22:36:30,280 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[509996,510009] [2022-11-25 22:36:30,281 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[510163,510176] [2022-11-25 22:36:30,281 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[510331,510344] [2022-11-25 22:36:30,282 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[510481,510494] [2022-11-25 22:36:30,282 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[510628,510641] [2022-11-25 22:36:30,282 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[510789,510802] [2022-11-25 22:36:30,283 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[510959,510972] [2022-11-25 22:36:30,283 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i[511121,511134] [2022-11-25 22:36:30,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:36:30,619 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:36:30,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:36:30 WrapperNode [2022-11-25 22:36:30,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:36:30,622 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:36:30,622 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:36:30,622 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:36:30,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:36:30" (1/1) ... [2022-11-25 22:36:30,815 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:36:30" (1/1) ... [2022-11-25 22:36:31,117 INFO L138 Inliner]: procedures = 791, calls = 4667, calls flagged for inlining = 346, calls inlined = 247, statements flattened = 8121 [2022-11-25 22:36:31,117 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:36:31,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:36:31,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:36:31,118 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:36:31,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:36:30" (1/1) ... [2022-11-25 22:36:31,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:36:30" (1/1) ... [2022-11-25 22:36:31,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:36:30" (1/1) ... [2022-11-25 22:36:31,186 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:36:30" (1/1) ... [2022-11-25 22:36:31,341 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:36:30" (1/1) ... [2022-11-25 22:36:31,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:36:30" (1/1) ... [2022-11-25 22:36:31,514 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:36:30" (1/1) ... [2022-11-25 22:36:31,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:36:30" (1/1) ... [2022-11-25 22:36:31,602 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:36:31,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:36:31,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:36:31,603 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:36:31,604 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:36:30" (1/1) ... [2022-11-25 22:36:31,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:36:31,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:36:31,646 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:36:31,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:36:31,764 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-25 22:36:31,764 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_request_effect_upload [2022-11-25 22:36:31,764 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_request_effect_upload [2022-11-25 22:36:31,764 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2022-11-25 22:36:31,765 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2022-11-25 22:36:31,765 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_special_field [2022-11-25 22:36:31,765 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_special_field [2022-11-25 22:36:31,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_usbhid_device [2022-11-25 22:36:31,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_usbhid_device [2022-11-25 22:36:31,765 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_check_usage [2022-11-25 22:36:31,766 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_check_usage [2022-11-25 22:36:31,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-25 22:36:31,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-25 22:36:31,766 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-11-25 22:36:31,766 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-11-25 22:36:31,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-25 22:36:31,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-25 22:36:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-11-25 22:36:31,767 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-11-25 22:36:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-25 22:36:31,767 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-25 22:36:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure hid_suspend [2022-11-25 22:36:31,767 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_suspend [2022-11-25 22:36:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_erase_pid [2022-11-25 22:36:31,768 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_erase_pid [2022-11-25 22:36:31,768 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-25 22:36:31,768 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-25 22:36:31,768 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-25 22:36:31,768 INFO L130 BoogieDeclarations]: Found specification of procedure hid_submit_out [2022-11-25 22:36:31,768 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_submit_out [2022-11-25 22:36:31,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_108 [2022-11-25 22:36:31,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_108 [2022-11-25 22:36:31,769 INFO L130 BoogieDeclarations]: Found specification of procedure hid_output_report [2022-11-25 22:36:31,769 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_output_report [2022-11-25 22:36:31,769 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-25 22:36:31,769 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-25 22:36:31,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-25 22:36:31,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-25 22:36:31,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_existancelock_of_hiddev [2022-11-25 22:36:31,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_existancelock_of_hiddev [2022-11-25 22:36:31,770 INFO L130 BoogieDeclarations]: Found specification of procedure hid_find_max_report [2022-11-25 22:36:31,770 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_find_max_report [2022-11-25 22:36:31,770 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_autocenter [2022-11-25 22:36:31,770 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_autocenter [2022-11-25 22:36:31,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-25 22:36:31,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-25 22:36:31,771 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_ioctl [2022-11-25 22:36:31,771 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_ioctl [2022-11-25 22:36:31,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-25 22:36:31,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-25 22:36:31,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 22:36:31,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-25 22:36:31,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-25 22:36:31,772 INFO L130 BoogieDeclarations]: Found specification of procedure hid_submit_ctrl [2022-11-25 22:36:31,772 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_submit_ctrl [2022-11-25 22:36:31,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_120 [2022-11-25 22:36:31,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_120 [2022-11-25 22:36:31,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-25 22:36:31,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-25 22:36:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2022-11-25 22:36:31,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2022-11-25 22:36:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_restart_out_queue [2022-11-25 22:36:31,774 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_restart_out_queue [2022-11-25 22:36:31,774 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-25 22:36:31,774 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-25 22:36:31,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-25 22:36:31,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-25 22:36:31,774 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_stop [2022-11-25 22:36:31,774 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_stop [2022-11-25 22:36:31,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 22:36:31,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-25 22:36:31,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-25 22:36:31,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:36:31,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-25 22:36:31,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-25 22:36:31,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 22:36:31,776 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-25 22:36:31,776 INFO L130 BoogieDeclarations]: Found specification of procedure hid_cease_io [2022-11-25 22:36:31,777 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_cease_io [2022-11-25 22:36:31,777 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-25 22:36:31,777 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-25 22:36:31,777 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-25 22:36:31,777 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-25 22:36:31,777 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-25 22:36:31,777 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-25 22:36:31,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-11-25 22:36:31,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-11-25 22:36:31,778 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_wait [2022-11-25 22:36:31,778 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_wait [2022-11-25 22:36:31,778 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-25 22:36:31,778 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-25 22:36:31,778 INFO L130 BoogieDeclarations]: Found specification of procedure hid_start_in [2022-11-25 22:36:31,779 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_start_in [2022-11-25 22:36:31,779 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-25 22:36:31,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-25 22:36:31,779 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-25 22:36:31,779 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-25 22:36:31,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_hid_open_mut [2022-11-25 22:36:31,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_hid_open_mut [2022-11-25 22:36:31,780 INFO L130 BoogieDeclarations]: Found specification of procedure hid_io_error [2022-11-25 22:36:31,780 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_io_error [2022-11-25 22:36:31,780 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-25 22:36:31,780 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-25 22:36:31,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:36:31,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:36:31,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 22:36:31,780 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-25 22:36:31,781 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-25 22:36:31,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-25 22:36:31,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-25 22:36:31,781 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2022-11-25 22:36:31,781 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2022-11-25 22:36:31,781 INFO L130 BoogieDeclarations]: Found specification of procedure hid_cancel_delayed_stuff [2022-11-25 22:36:31,781 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_cancel_delayed_stuff [2022-11-25 22:36:31,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 22:36:31,782 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 22:36:31,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_usbhid_device [2022-11-25 22:36:31,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_usbhid_device [2022-11-25 22:36:31,783 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_lookup_report [2022-11-25 22:36:31,783 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_lookup_report [2022-11-25 22:36:31,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-25 22:36:31,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-25 22:36:31,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_free_urb [2022-11-25 22:36:31,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_free_urb [2022-11-25 22:36:31,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-25 22:36:31,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-25 22:36:31,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:36:31,784 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-25 22:36:31,784 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-25 22:36:31,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-25 22:36:31,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-25 22:36:31,784 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_submit_report [2022-11-25 22:36:31,785 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_submit_report [2022-11-25 22:36:31,785 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_mark_busy [2022-11-25 22:36:31,785 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_mark_busy [2022-11-25 22:36:31,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 22:36:31,785 INFO L130 BoogieDeclarations]: Found specification of procedure hid_set_idle [2022-11-25 22:36:31,785 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_set_idle [2022-11-25 22:36:31,785 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_set [2022-11-25 22:36:31,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_set [2022-11-25 22:36:31,786 INFO L130 BoogieDeclarations]: Found specification of procedure hid_reset_resume [2022-11-25 22:36:31,786 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_reset_resume [2022-11-25 22:36:31,786 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-25 22:36:31,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-25 22:36:31,786 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-25 22:36:31,786 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-25 22:36:31,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-25 22:36:31,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-25 22:36:31,787 INFO L130 BoogieDeclarations]: Found specification of procedure hid_alloc_report_buf [2022-11-25 22:36:31,787 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_alloc_report_buf [2022-11-25 22:36:31,787 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_reports [2022-11-25 22:36:31,787 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_reports [2022-11-25 22:36:31,787 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-25 22:36:31,787 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-25 22:36:31,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_alloc_urb [2022-11-25 22:36:31,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_alloc_urb [2022-11-25 22:36:31,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-25 22:36:31,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-25 22:36:31,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-25 22:36:31,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-25 22:36:31,788 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-25 22:36:31,789 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-25 22:36:31,789 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-25 22:36:31,789 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-25 22:36:31,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-25 22:36:31,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-25 22:36:31,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 22:36:31,789 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-25 22:36:31,790 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-25 22:36:31,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 22:36:31,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 22:36:31,790 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_restart_ctrl_queue [2022-11-25 22:36:31,790 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_restart_ctrl_queue [2022-11-25 22:36:31,790 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_reset [2022-11-25 22:36:31,790 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_reset [2022-11-25 22:36:31,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_thread_lock_of_hiddev_list [2022-11-25 22:36:31,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_thread_lock_of_hiddev_list [2022-11-25 22:36:31,791 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-25 22:36:31,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-25 22:36:31,791 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_lookup_quirk [2022-11-25 22:36:31,791 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_lookup_quirk [2022-11-25 22:36:31,791 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2022-11-25 22:36:31,792 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2022-11-25 22:36:31,792 INFO L130 BoogieDeclarations]: Found specification of procedure hid_resume [2022-11-25 22:36:31,792 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_resume [2022-11-25 22:36:31,792 INFO L130 BoogieDeclarations]: Found specification of procedure hid_get_class_descriptor [2022-11-25 22:36:31,792 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_get_class_descriptor [2022-11-25 22:36:31,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_107 [2022-11-25 22:36:31,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_107 [2022-11-25 22:36:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_96 [2022-11-25 22:36:31,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_96 [2022-11-25 22:36:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2022-11-25 22:36:31,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2022-11-25 22:36:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-25 22:36:31,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-25 22:36:31,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_thread_lock_of_hiddev_list [2022-11-25 22:36:31,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_thread_lock_of_hiddev_list [2022-11-25 22:36:31,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-25 22:36:31,794 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-25 22:36:31,794 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_playback_pid [2022-11-25 22:36:31,794 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_playback_pid [2022-11-25 22:36:31,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 22:36:31,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 22:36:31,795 INFO L130 BoogieDeclarations]: Found specification of procedure usb_block_urb [2022-11-25 22:36:31,795 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_block_urb [2022-11-25 22:36:31,795 INFO L130 BoogieDeclarations]: Found specification of procedure hid_retry_timeout [2022-11-25 22:36:31,795 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_retry_timeout [2022-11-25 22:36:31,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_3 [2022-11-25 22:36:31,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_3 [2022-11-25 22:36:31,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_usb_alloc_coherent [2022-11-25 22:36:31,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_usb_alloc_coherent [2022-11-25 22:36:31,796 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_get_extra_descriptor [2022-11-25 22:36:31,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_get_extra_descriptor [2022-11-25 22:36:31,796 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_init_reports [2022-11-25 22:36:31,796 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_init_reports [2022-11-25 22:36:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_hid_open_mut [2022-11-25 22:36:31,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_hid_open_mut [2022-11-25 22:36:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-25 22:36:31,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-25 22:36:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-25 22:36:31,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-25 22:36:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-25 22:36:31,798 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-25 22:36:31,798 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2022-11-25 22:36:31,798 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unpoison_urb [2022-11-25 22:36:31,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-25 22:36:31,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-25 22:36:31,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-25 22:36:31,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-25 22:36:31,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-25 22:36:31,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-25 22:36:31,799 INFO L130 BoogieDeclarations]: Found specification of procedure hid_resume_common [2022-11-25 22:36:31,799 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_resume_common [2022-11-25 22:36:31,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:36:31,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-25 22:36:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-25 22:36:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-25 22:36:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-25 22:36:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure hid_free_buffers [2022-11-25 22:36:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_free_buffers [2022-11-25 22:36:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 22:36:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-25 22:36:31,801 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-25 22:36:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure hid_pidff_init [2022-11-25 22:36:31,801 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_pidff_init [2022-11-25 22:36:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-25 22:36:31,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-25 22:36:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 22:36:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-25 22:36:31,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-25 22:36:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-11-25 22:36:31,802 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-11-25 22:36:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-25 22:36:31,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-25 22:36:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_existancelock_of_hiddev [2022-11-25 22:36:31,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_existancelock_of_hiddev [2022-11-25 22:36:31,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-25 22:36:31,803 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-25 22:36:31,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-25 22:36:31,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-25 22:36:31,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-25 22:36:31,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-25 22:36:31,804 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-25 22:36:31,804 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-25 22:36:31,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-25 22:36:31,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-25 22:36:31,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_3_2 [2022-11-25 22:36:31,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_3_2 [2022-11-25 22:36:31,804 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-25 22:36:31,805 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-25 22:36:31,805 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-25 22:36:31,805 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-25 22:36:31,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-25 22:36:31,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-25 22:36:31,805 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_parse [2022-11-25 22:36:31,805 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_parse [2022-11-25 22:36:31,806 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2022-11-25 22:36:31,806 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2022-11-25 22:36:31,806 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_wait_io [2022-11-25 22:36:31,806 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_wait_io [2022-11-25 22:36:31,806 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_put_power [2022-11-25 22:36:31,806 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_put_power [2022-11-25 22:36:31,806 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_check_autocenter [2022-11-25 22:36:31,807 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_check_autocenter [2022-11-25 22:36:31,807 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-25 22:36:31,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-25 22:36:31,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_99 [2022-11-25 22:36:31,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_99 [2022-11-25 22:36:31,807 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_special_keys [2022-11-25 22:36:31,807 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_special_keys [2022-11-25 22:36:31,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-25 22:36:31,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-25 22:36:31,808 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-11-25 22:36:31,808 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-11-25 22:36:31,808 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-25 22:36:31,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-25 22:36:31,808 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-11-25 22:36:31,809 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-11-25 22:36:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_request [2022-11-25 22:36:31,809 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_request [2022-11-25 22:36:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-25 22:36:31,809 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-25 22:36:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 22:36:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 22:36:31,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 22:36:31,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-25 22:36:31,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-25 22:36:31,810 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_no_suspend [2022-11-25 22:36:31,810 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_no_suspend [2022-11-25 22:36:31,810 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_no_resume [2022-11-25 22:36:31,811 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_no_resume [2022-11-25 22:36:31,811 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_disconnect [2022-11-25 22:36:31,811 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_disconnect [2022-11-25 22:36:31,811 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2022-11-25 22:36:31,811 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2022-11-25 22:36:31,811 INFO L130 BoogieDeclarations]: Found specification of procedure hid_destroy_device [2022-11-25 22:36:31,811 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_destroy_device [2022-11-25 22:36:31,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_usb_free_coherent [2022-11-25 22:36:31,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_usb_free_coherent [2022-11-25 22:36:31,812 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_open [2022-11-25 22:36:31,812 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_open [2022-11-25 22:36:31,812 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-11-25 22:36:31,812 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-11-25 22:36:31,812 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_rescale [2022-11-25 22:36:31,813 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_rescale [2022-11-25 22:36:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 22:36:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-25 22:36:31,813 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-25 22:36:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-25 22:36:31,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-25 22:36:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_close [2022-11-25 22:36:31,814 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_close [2022-11-25 22:36:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-25 22:36:31,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-25 22:36:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_7_2 [2022-11-25 22:36:31,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_7_2 [2022-11-25 22:36:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-11-25 22:36:31,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-11-25 22:36:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_async [2022-11-25 22:36:31,816 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_async [2022-11-25 22:36:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-25 22:36:31,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-25 22:36:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_fields [2022-11-25 22:36:31,817 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_fields [2022-11-25 22:36:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:36:31,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:36:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_quirks_exit [2022-11-25 22:36:31,817 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_quirks_exit [2022-11-25 22:36:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-25 22:36:31,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-25 22:36:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_restart_queues [2022-11-25 22:36:31,818 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_restart_queues [2022-11-25 22:36:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-25 22:36:31,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-25 22:36:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-11-25 22:36:31,819 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-11-25 22:36:31,819 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 22:36:31,819 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 22:36:31,819 INFO L130 BoogieDeclarations]: Found specification of procedure hid_device_io_stop [2022-11-25 22:36:31,819 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_device_io_stop [2022-11-25 22:36:31,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-25 22:36:31,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-25 22:36:31,820 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_start [2022-11-25 22:36:31,820 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_start [2022-11-25 22:36:31,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-25 22:36:31,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-25 22:36:31,820 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-25 22:36:31,820 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-25 22:36:31,820 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-25 22:36:31,821 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-25 22:36:31,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_list_lock_of_hiddev [2022-11-25 22:36:31,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_list_lock_of_hiddev [2022-11-25 22:36:31,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-25 22:36:31,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-25 22:36:31,821 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-25 22:36:31,821 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-25 22:36:31,822 INFO L130 BoogieDeclarations]: Found specification of procedure hid_pre_reset [2022-11-25 22:36:31,822 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_pre_reset [2022-11-25 22:36:31,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-25 22:36:31,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-25 22:36:31,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_list_lock_of_hiddev [2022-11-25 22:36:31,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_list_lock_of_hiddev [2022-11-25 22:36:31,822 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-25 22:36:31,823 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-25 22:36:31,823 INFO L130 BoogieDeclarations]: Found specification of procedure hid_post_reset [2022-11-25 22:36:31,823 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_post_reset [2022-11-25 22:36:31,823 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_get_power [2022-11-25 22:36:31,823 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_get_power [2022-11-25 22:36:31,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:36:31,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_119 [2022-11-25 22:36:31,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_119 [2022-11-25 22:36:33,076 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:36:33,080 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:36:33,499 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 22:36:51,980 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:36:54,338 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:36:54,338 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-25 22:36:54,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:36:54 BoogieIcfgContainer [2022-11-25 22:36:54,345 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:36:54,349 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:36:54,349 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:36:54,352 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:36:54,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:36:23" (1/3) ... [2022-11-25 22:36:54,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4613904c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:36:54, skipping insertion in model container [2022-11-25 22:36:54,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:36:30" (2/3) ... [2022-11-25 22:36:54,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4613904c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:36:54, skipping insertion in model container [2022-11-25 22:36:54,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:36:54" (3/3) ... [2022-11-25 22:36:54,357 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--hid--usbhid--usbhid.ko.cil.i [2022-11-25 22:36:54,382 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:36:54,383 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2022-11-25 22:36:54,495 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:36:54,506 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;@42dd4987, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:36:54,506 INFO L358 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2022-11-25 22:36:54,520 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) [2022-11-25 22:36:54,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-25 22:36:54,528 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:36:54,529 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] [2022-11-25 22:36:54,529 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)] === [2022-11-25 22:36:54,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:36:54,537 INFO L85 PathProgramCache]: Analyzing trace with hash 304032791, now seen corresponding path program 1 times [2022-11-25 22:36:54,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:36:54,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326464496] [2022-11-25 22:36:54,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:36:54,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:36:55,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:36:57,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:36:57,048 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:36:57,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326464496] [2022-11-25 22:36:57,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326464496] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:36:57,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:36:57,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 22:36:57,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126620827] [2022-11-25 22:36:57,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:36:57,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 22:36:57,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:36:57,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 22:36:57,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 22:36:57,109 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) [2022-11-25 22:37:01,478 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 [] [2022-11-25 22:37:03,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:37:05,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:37:06,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:37:14,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:37:14,673 INFO L93 Difference]: Finished difference Result 4943 states and 7256 transitions. [2022-11-25 22:37:14,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 22:37:14,676 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 [2022-11-25 22:37:14,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:37:14,721 INFO L225 Difference]: With dead ends: 4943 [2022-11-25 22:37:14,721 INFO L226 Difference]: Without dead ends: 2540 [2022-11-25 22:37:14,744 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 [2022-11-25 22:37:14,747 INFO L413 NwaCegarLoop]: 3036 mSDtfsCounter, 3329 mSDsluCounter, 7768 mSDsCounter, 0 mSdLazyCounter, 3085 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3338 SdHoareTripleChecker+Valid, 10804 SdHoareTripleChecker+Invalid, 3088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3085 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2022-11-25 22:37:14,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3338 Valid, 10804 Invalid, 3088 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3085 Invalid, 1 Unknown, 0 Unchecked, 16.8s Time] [2022-11-25 22:37:14,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2540 states. [2022-11-25 22:37:15,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2540 to 2523. [2022-11-25 22:37:15,052 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) [2022-11-25 22:37:15,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2523 states to 2523 states and 3528 transitions. [2022-11-25 22:37:15,084 INFO L78 Accepts]: Start accepts. Automaton has 2523 states and 3528 transitions. Word has length 22 [2022-11-25 22:37:15,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:37:15,085 INFO L495 AbstractCegarLoop]: Abstraction has 2523 states and 3528 transitions. [2022-11-25 22:37:15,085 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) [2022-11-25 22:37:15,085 INFO L276 IsEmpty]: Start isEmpty. Operand 2523 states and 3528 transitions. [2022-11-25 22:37:15,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-25 22:37:15,089 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:37:15,090 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] [2022-11-25 22:37:15,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 22:37:15,090 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)] === [2022-11-25 22:37:15,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:37:15,091 INFO L85 PathProgramCache]: Analyzing trace with hash -17336334, now seen corresponding path program 1 times [2022-11-25 22:37:15,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:37:15,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896284508] [2022-11-25 22:37:15,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:37:15,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:37:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:37:15,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:37:15,590 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:37:15,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896284508] [2022-11-25 22:37:15,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896284508] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:37:15,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:37:15,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:37:15,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372394479] [2022-11-25 22:37:15,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:37:15,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:37:15,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:37:15,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:37:15,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:37:15,594 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) [2022-11-25 22:37:18,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:37:18,576 INFO L93 Difference]: Finished difference Result 5037 states and 7143 transitions. [2022-11-25 22:37:18,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:37:18,577 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 [2022-11-25 22:37:18,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:37:18,595 INFO L225 Difference]: With dead ends: 5037 [2022-11-25 22:37:18,596 INFO L226 Difference]: Without dead ends: 2517 [2022-11-25 22:37:18,608 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 [2022-11-25 22:37:18,609 INFO L413 NwaCegarLoop]: 2960 mSDtfsCounter, 3328 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s 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, 2.7s IncrementalHoareTripleChecker+Time [2022-11-25 22:37:18,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3328 Valid, 2960 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-25 22:37:18,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2517 states. [2022-11-25 22:37:18,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2517 to 2517. [2022-11-25 22:37:18,760 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) [2022-11-25 22:37:18,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2517 states to 2517 states and 3519 transitions. [2022-11-25 22:37:18,780 INFO L78 Accepts]: Start accepts. Automaton has 2517 states and 3519 transitions. Word has length 28 [2022-11-25 22:37:18,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:37:18,782 INFO L495 AbstractCegarLoop]: Abstraction has 2517 states and 3519 transitions. [2022-11-25 22:37:18,782 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) [2022-11-25 22:37:18,782 INFO L276 IsEmpty]: Start isEmpty. Operand 2517 states and 3519 transitions. [2022-11-25 22:37:18,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-25 22:37:18,789 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:37:18,790 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] [2022-11-25 22:37:18,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 22:37:18,791 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)] === [2022-11-25 22:37:18,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:37:18,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1418846801, now seen corresponding path program 1 times [2022-11-25 22:37:18,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:37:18,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141928559] [2022-11-25 22:37:18,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:37:18,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:37:18,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:37:19,285 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 22:37:19,285 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:37:19,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141928559] [2022-11-25 22:37:19,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141928559] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:37:19,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:37:19,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:37:19,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588604382] [2022-11-25 22:37:19,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:37:19,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:37:19,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:37:19,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:37:19,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:37:19,288 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) [2022-11-25 22:37:23,782 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 [] [2022-11-25 22:37:25,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:37:25,361 INFO L93 Difference]: Finished difference Result 5108 states and 7184 transitions. [2022-11-25 22:37:25,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:37:25,361 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 [2022-11-25 22:37:25,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:37:25,380 INFO L225 Difference]: With dead ends: 5108 [2022-11-25 22:37:25,380 INFO L226 Difference]: Without dead ends: 2846 [2022-11-25 22:37:25,391 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 [2022-11-25 22:37:25,392 INFO L413 NwaCegarLoop]: 3154 mSDtfsCounter, 338 mSDsluCounter, 2851 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 535 SdHoareTripleChecker+Valid, 6005 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-11-25 22:37:25,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [535 Valid, 6005 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-11-25 22:37:25,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2846 states. [2022-11-25 22:37:25,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2846 to 2517. [2022-11-25 22:37:25,540 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) [2022-11-25 22:37:25,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2517 states to 2517 states and 3518 transitions. [2022-11-25 22:37:25,556 INFO L78 Accepts]: Start accepts. Automaton has 2517 states and 3518 transitions. Word has length 41 [2022-11-25 22:37:25,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:37:25,557 INFO L495 AbstractCegarLoop]: Abstraction has 2517 states and 3518 transitions. [2022-11-25 22:37:25,557 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) [2022-11-25 22:37:25,557 INFO L276 IsEmpty]: Start isEmpty. Operand 2517 states and 3518 transitions. [2022-11-25 22:37:25,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-25 22:37:25,563 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:37:25,564 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] [2022-11-25 22:37:25,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 22:37:25,564 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)] === [2022-11-25 22:37:25,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:37:25,565 INFO L85 PathProgramCache]: Analyzing trace with hash 199872570, now seen corresponding path program 1 times [2022-11-25 22:37:25,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:37:25,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528394414] [2022-11-25 22:37:25,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:37:25,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:37:25,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:37:26,527 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-25 22:37:26,527 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:37:26,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528394414] [2022-11-25 22:37:26,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528394414] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:37:26,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:37:26,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:37:26,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776650203] [2022-11-25 22:37:26,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:37:26,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:37:26,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:37:26,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:37:26,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:37:26,530 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) [2022-11-25 22:37:27,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:37:31,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:37:32,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:37:32,859 INFO L93 Difference]: Finished difference Result 2517 states and 3518 transitions. [2022-11-25 22:37:32,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:37:32,860 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 [2022-11-25 22:37:32,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:37:32,874 INFO L225 Difference]: With dead ends: 2517 [2022-11-25 22:37:32,875 INFO L226 Difference]: Without dead ends: 2515 [2022-11-25 22:37:32,877 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 [2022-11-25 22:37:32,878 INFO L413 NwaCegarLoop]: 2957 mSDtfsCounter, 3312 mSDsluCounter, 2957 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s 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, 6.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:37:32,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3314 Valid, 5914 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-11-25 22:37:32,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2515 states. [2022-11-25 22:37:33,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2515 to 2515. [2022-11-25 22:37:33,030 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) [2022-11-25 22:37:33,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2515 states to 2515 states and 3516 transitions. [2022-11-25 22:37:33,044 INFO L78 Accepts]: Start accepts. Automaton has 2515 states and 3516 transitions. Word has length 56 [2022-11-25 22:37:33,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:37:33,046 INFO L495 AbstractCegarLoop]: Abstraction has 2515 states and 3516 transitions. [2022-11-25 22:37:33,046 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) [2022-11-25 22:37:33,047 INFO L276 IsEmpty]: Start isEmpty. Operand 2515 states and 3516 transitions. [2022-11-25 22:37:33,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-25 22:37:33,048 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:37:33,048 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] [2022-11-25 22:37:33,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 22:37:33,049 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)] === [2022-11-25 22:37:33,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:37:33,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1508198519, now seen corresponding path program 1 times [2022-11-25 22:37:33,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:37:33,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361457949] [2022-11-25 22:37:33,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:37:33,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:37:33,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:37:33,709 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-25 22:37:33,709 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:37:33,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361457949] [2022-11-25 22:37:33,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361457949] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:37:33,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:37:33,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:37:33,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350185761] [2022-11-25 22:37:33,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:37:33,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:37:33,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:37:33,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:37:33,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:37:33,712 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) [2022-11-25 22:37:38,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:37:39,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:37:39,216 INFO L93 Difference]: Finished difference Result 2515 states and 3516 transitions. [2022-11-25 22:37:39,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:37:39,216 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 [2022-11-25 22:37:39,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:37:39,231 INFO L225 Difference]: With dead ends: 2515 [2022-11-25 22:37:39,231 INFO L226 Difference]: Without dead ends: 2513 [2022-11-25 22:37:39,234 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 [2022-11-25 22:37:39,235 INFO L413 NwaCegarLoop]: 2955 mSDtfsCounter, 3309 mSDsluCounter, 2955 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s 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, 5.3s IncrementalHoareTripleChecker+Time [2022-11-25 22:37:39,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3311 Valid, 5910 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-11-25 22:37:39,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2513 states. [2022-11-25 22:37:39,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2513 to 2513. [2022-11-25 22:37:39,418 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) [2022-11-25 22:37:39,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2513 states to 2513 states and 3514 transitions. [2022-11-25 22:37:39,440 INFO L78 Accepts]: Start accepts. Automaton has 2513 states and 3514 transitions. Word has length 61 [2022-11-25 22:37:39,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:37:39,440 INFO L495 AbstractCegarLoop]: Abstraction has 2513 states and 3514 transitions. [2022-11-25 22:37:39,441 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) [2022-11-25 22:37:39,442 INFO L276 IsEmpty]: Start isEmpty. Operand 2513 states and 3514 transitions. [2022-11-25 22:37:39,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-25 22:37:39,444 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:37:39,444 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] [2022-11-25 22:37:39,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 22:37:39,445 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)] === [2022-11-25 22:37:39,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:37:39,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1293823482, now seen corresponding path program 1 times [2022-11-25 22:37:39,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:37:39,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72276276] [2022-11-25 22:37:39,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:37:39,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:37:39,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:37:40,144 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-25 22:37:40,144 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:37:40,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72276276] [2022-11-25 22:37:40,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72276276] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:37:40,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:37:40,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:37:40,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782737463] [2022-11-25 22:37:40,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:37:40,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:37:40,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:37:40,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:37:40,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:37:40,148 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) [2022-11-25 22:37:44,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:37:44,622 INFO L93 Difference]: Finished difference Result 2513 states and 3514 transitions. [2022-11-25 22:37:44,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:37:44,623 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 [2022-11-25 22:37:44,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:37:44,637 INFO L225 Difference]: With dead ends: 2513 [2022-11-25 22:37:44,637 INFO L226 Difference]: Without dead ends: 2511 [2022-11-25 22:37:44,639 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 [2022-11-25 22:37:44,640 INFO L413 NwaCegarLoop]: 2953 mSDtfsCounter, 3306 mSDsluCounter, 2953 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s 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, 4.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:37:44,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3308 Valid, 5906 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-11-25 22:37:44,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2511 states. [2022-11-25 22:37:44,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2511 to 2511. [2022-11-25 22:37:44,815 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) [2022-11-25 22:37:44,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2511 states to 2511 states and 3512 transitions. [2022-11-25 22:37:44,829 INFO L78 Accepts]: Start accepts. Automaton has 2511 states and 3512 transitions. Word has length 66 [2022-11-25 22:37:44,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:37:44,831 INFO L495 AbstractCegarLoop]: Abstraction has 2511 states and 3512 transitions. [2022-11-25 22:37:44,832 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) [2022-11-25 22:37:44,832 INFO L276 IsEmpty]: Start isEmpty. Operand 2511 states and 3512 transitions. [2022-11-25 22:37:44,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-25 22:37:44,833 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:37:44,833 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] [2022-11-25 22:37:44,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 22:37:44,834 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)] === [2022-11-25 22:37:44,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:37:44,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1288093380, now seen corresponding path program 1 times [2022-11-25 22:37:44,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:37:44,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319418423] [2022-11-25 22:37:44,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:37:44,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:37:44,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:37:45,467 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-25 22:37:45,467 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:37:45,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319418423] [2022-11-25 22:37:45,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319418423] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:37:45,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:37:45,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:37:45,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714374501] [2022-11-25 22:37:45,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:37:45,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:37:45,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:37:45,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:37:45,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:37:45,470 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) [2022-11-25 22:37:47,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:37:50,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:37:50,455 INFO L93 Difference]: Finished difference Result 2511 states and 3512 transitions. [2022-11-25 22:37:50,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:37:50,456 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 [2022-11-25 22:37:50,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:37:50,471 INFO L225 Difference]: With dead ends: 2511 [2022-11-25 22:37:50,471 INFO L226 Difference]: Without dead ends: 2509 [2022-11-25 22:37:50,473 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 [2022-11-25 22:37:50,474 INFO L413 NwaCegarLoop]: 2951 mSDtfsCounter, 3303 mSDsluCounter, 2951 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s 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, 4.8s IncrementalHoareTripleChecker+Time [2022-11-25 22:37:50,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3305 Valid, 5902 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-11-25 22:37:50,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2509 states. [2022-11-25 22:37:50,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2509 to 2509. [2022-11-25 22:37:50,664 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) [2022-11-25 22:37:50,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2509 states to 2509 states and 3510 transitions. [2022-11-25 22:37:50,678 INFO L78 Accepts]: Start accepts. Automaton has 2509 states and 3510 transitions. Word has length 71 [2022-11-25 22:37:50,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:37:50,678 INFO L495 AbstractCegarLoop]: Abstraction has 2509 states and 3510 transitions. [2022-11-25 22:37:50,679 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) [2022-11-25 22:37:50,679 INFO L276 IsEmpty]: Start isEmpty. Operand 2509 states and 3510 transitions. [2022-11-25 22:37:50,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-25 22:37:50,681 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:37:50,682 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] [2022-11-25 22:37:50,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 22:37:50,682 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)] === [2022-11-25 22:37:50,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:37:50,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1538184265, now seen corresponding path program 1 times [2022-11-25 22:37:50,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:37:50,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499383480] [2022-11-25 22:37:50,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:37:50,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:37:50,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:37:51,303 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-25 22:37:51,304 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:37:51,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499383480] [2022-11-25 22:37:51,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499383480] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:37:51,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:37:51,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:37:51,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321815124] [2022-11-25 22:37:51,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:37:51,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:37:51,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:37:51,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:37:51,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:37:51,307 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) [2022-11-25 22:37:57,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:37:57,016 INFO L93 Difference]: Finished difference Result 2509 states and 3510 transitions. [2022-11-25 22:37:57,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:37:57,016 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 [2022-11-25 22:37:57,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:37:57,038 INFO L225 Difference]: With dead ends: 2509 [2022-11-25 22:37:57,038 INFO L226 Difference]: Without dead ends: 2507 [2022-11-25 22:37:57,040 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 [2022-11-25 22:37:57,041 INFO L413 NwaCegarLoop]: 2949 mSDtfsCounter, 3300 mSDsluCounter, 2949 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s 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, 5.4s IncrementalHoareTripleChecker+Time [2022-11-25 22:37:57,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3302 Valid, 5898 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-11-25 22:37:57,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2507 states. [2022-11-25 22:37:57,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2507 to 2507. [2022-11-25 22:37:57,248 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) [2022-11-25 22:37:57,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2507 states to 2507 states and 3508 transitions. [2022-11-25 22:37:57,261 INFO L78 Accepts]: Start accepts. Automaton has 2507 states and 3508 transitions. Word has length 76 [2022-11-25 22:37:57,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:37:57,261 INFO L495 AbstractCegarLoop]: Abstraction has 2507 states and 3508 transitions. [2022-11-25 22:37:57,262 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) [2022-11-25 22:37:57,262 INFO L276 IsEmpty]: Start isEmpty. Operand 2507 states and 3508 transitions. [2022-11-25 22:37:57,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-25 22:37:57,264 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:37:57,264 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] [2022-11-25 22:37:57,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 22:37:57,265 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)] === [2022-11-25 22:37:57,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:37:57,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1826250873, now seen corresponding path program 1 times [2022-11-25 22:37:57,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:37:57,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555661917] [2022-11-25 22:37:57,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:37:57,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:37:57,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:37:57,897 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-25 22:37:57,897 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:37:57,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555661917] [2022-11-25 22:37:57,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555661917] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:37:57,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:37:57,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:37:57,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642620535] [2022-11-25 22:37:57,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:37:57,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:37:57,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:37:57,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:37:57,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:37:57,900 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) [2022-11-25 22:38:02,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:38:02,328 INFO L93 Difference]: Finished difference Result 2507 states and 3508 transitions. [2022-11-25 22:38:02,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:38:02,329 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 [2022-11-25 22:38:02,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:38:02,344 INFO L225 Difference]: With dead ends: 2507 [2022-11-25 22:38:02,344 INFO L226 Difference]: Without dead ends: 2505 [2022-11-25 22:38:02,346 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 [2022-11-25 22:38:02,347 INFO L413 NwaCegarLoop]: 2947 mSDtfsCounter, 3297 mSDsluCounter, 2947 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s 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, 4.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:38:02,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3299 Valid, 5894 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-11-25 22:38:02,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2505 states. [2022-11-25 22:38:02,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2505 to 2505. [2022-11-25 22:38:02,563 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) [2022-11-25 22:38:02,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2505 states to 2505 states and 3506 transitions. [2022-11-25 22:38:02,576 INFO L78 Accepts]: Start accepts. Automaton has 2505 states and 3506 transitions. Word has length 81 [2022-11-25 22:38:02,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:38:02,577 INFO L495 AbstractCegarLoop]: Abstraction has 2505 states and 3506 transitions. [2022-11-25 22:38:02,578 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) [2022-11-25 22:38:02,578 INFO L276 IsEmpty]: Start isEmpty. Operand 2505 states and 3506 transitions. [2022-11-25 22:38:02,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-25 22:38:02,585 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:38:02,585 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] [2022-11-25 22:38:02,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 22:38:02,586 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)] === [2022-11-25 22:38:02,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:38:02,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1845731778, now seen corresponding path program 1 times [2022-11-25 22:38:02,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:38:02,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059819098] [2022-11-25 22:38:02,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:38:02,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:38:02,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:38:03,375 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-25 22:38:03,375 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:38:03,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059819098] [2022-11-25 22:38:03,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059819098] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:38:03,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:38:03,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:38:03,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932602818] [2022-11-25 22:38:03,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:38:03,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:38:03,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:38:03,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:38:03,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:38:03,377 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) [2022-11-25 22:38:06,115 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 [] [2022-11-25 22:38:09,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:38:09,222 INFO L93 Difference]: Finished difference Result 2505 states and 3506 transitions. [2022-11-25 22:38:09,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:38:09,223 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 [2022-11-25 22:38:09,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:38:09,237 INFO L225 Difference]: With dead ends: 2505 [2022-11-25 22:38:09,237 INFO L226 Difference]: Without dead ends: 2503 [2022-11-25 22:38:09,239 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 [2022-11-25 22:38:09,240 INFO L413 NwaCegarLoop]: 2945 mSDtfsCounter, 3294 mSDsluCounter, 2945 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s 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, 5.6s IncrementalHoareTripleChecker+Time [2022-11-25 22:38:09,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3296 Valid, 5890 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-11-25 22:38:09,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2503 states. [2022-11-25 22:38:09,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2503 to 2503. [2022-11-25 22:38:09,468 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) [2022-11-25 22:38:09,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2503 states to 2503 states and 3504 transitions. [2022-11-25 22:38:09,480 INFO L78 Accepts]: Start accepts. Automaton has 2503 states and 3504 transitions. Word has length 86 [2022-11-25 22:38:09,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:38:09,481 INFO L495 AbstractCegarLoop]: Abstraction has 2503 states and 3504 transitions. [2022-11-25 22:38:09,481 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) [2022-11-25 22:38:09,481 INFO L276 IsEmpty]: Start isEmpty. Operand 2503 states and 3504 transitions. [2022-11-25 22:38:09,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-25 22:38:09,483 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:38:09,483 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] [2022-11-25 22:38:09,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 22:38:09,483 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)] === [2022-11-25 22:38:09,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:38:09,484 INFO L85 PathProgramCache]: Analyzing trace with hash 361174335, now seen corresponding path program 1 times [2022-11-25 22:38:09,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:38:09,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30580205] [2022-11-25 22:38:09,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:38:09,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:38:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:38:10,152 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-25 22:38:10,153 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:38:10,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30580205] [2022-11-25 22:38:10,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30580205] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:38:10,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:38:10,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:38:10,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927465559] [2022-11-25 22:38:10,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:38:10,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:38:10,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:38:10,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:38:10,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:38:10,155 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) [2022-11-25 22:38:16,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:38:16,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:38:16,728 INFO L93 Difference]: Finished difference Result 2503 states and 3504 transitions. [2022-11-25 22:38:16,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:38:16,729 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 [2022-11-25 22:38:16,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:38:16,742 INFO L225 Difference]: With dead ends: 2503 [2022-11-25 22:38:16,742 INFO L226 Difference]: Without dead ends: 2501 [2022-11-25 22:38:16,744 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 [2022-11-25 22:38:16,745 INFO L413 NwaCegarLoop]: 2943 mSDtfsCounter, 3295 mSDsluCounter, 2939 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s 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, 6.3s IncrementalHoareTripleChecker+Time [2022-11-25 22:38:16,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3297 Valid, 5882 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-11-25 22:38:16,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2501 states. [2022-11-25 22:38:16,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2501 to 2501. [2022-11-25 22:38:16,984 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) [2022-11-25 22:38:16,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2501 states to 2501 states and 3502 transitions. [2022-11-25 22:38:16,995 INFO L78 Accepts]: Start accepts. Automaton has 2501 states and 3502 transitions. Word has length 91 [2022-11-25 22:38:16,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:38:16,996 INFO L495 AbstractCegarLoop]: Abstraction has 2501 states and 3502 transitions. [2022-11-25 22:38:16,996 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) [2022-11-25 22:38:16,996 INFO L276 IsEmpty]: Start isEmpty. Operand 2501 states and 3502 transitions. [2022-11-25 22:38:16,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-25 22:38:16,998 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:38:16,999 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] [2022-11-25 22:38:16,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-25 22:38:16,999 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)] === [2022-11-25 22:38:16,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:38:16,999 INFO L85 PathProgramCache]: Analyzing trace with hash -803593950, now seen corresponding path program 1 times [2022-11-25 22:38:17,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:38:17,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469287019] [2022-11-25 22:38:17,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:38:17,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:38:17,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:38:17,915 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-25 22:38:17,915 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:38:17,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469287019] [2022-11-25 22:38:17,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469287019] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:38:17,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:38:17,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:38:17,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143910791] [2022-11-25 22:38:17,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:38:17,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:38:17,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:38:17,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:38:17,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:38:17,918 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) [2022-11-25 22:38:23,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:38:23,349 INFO L93 Difference]: Finished difference Result 2501 states and 3502 transitions. [2022-11-25 22:38:23,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:38:23,350 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 [2022-11-25 22:38:23,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:38:23,365 INFO L225 Difference]: With dead ends: 2501 [2022-11-25 22:38:23,365 INFO L226 Difference]: Without dead ends: 2499 [2022-11-25 22:38:23,367 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 [2022-11-25 22:38:23,368 INFO L413 NwaCegarLoop]: 2941 mSDtfsCounter, 3287 mSDsluCounter, 2941 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s 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, 5.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:38:23,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3289 Valid, 5882 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-11-25 22:38:23,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2499 states. [2022-11-25 22:38:23,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2499 to 2499. [2022-11-25 22:38:23,704 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) [2022-11-25 22:38:23,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2499 states to 2499 states and 3500 transitions. [2022-11-25 22:38:23,720 INFO L78 Accepts]: Start accepts. Automaton has 2499 states and 3500 transitions. Word has length 93 [2022-11-25 22:38:23,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:38:23,721 INFO L495 AbstractCegarLoop]: Abstraction has 2499 states and 3500 transitions. [2022-11-25 22:38:23,721 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) [2022-11-25 22:38:23,722 INFO L276 IsEmpty]: Start isEmpty. Operand 2499 states and 3500 transitions. [2022-11-25 22:38:23,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-25 22:38:23,724 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:38:23,724 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] [2022-11-25 22:38:23,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-25 22:38:23,725 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)] === [2022-11-25 22:38:23,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:38:23,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1149352326, now seen corresponding path program 1 times [2022-11-25 22:38:23,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:38:23,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13208555] [2022-11-25 22:38:23,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:38:23,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:38:23,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:38:24,449 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-25 22:38:24,450 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:38:24,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13208555] [2022-11-25 22:38:24,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13208555] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:38:24,450 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:38:24,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:38:24,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065056595] [2022-11-25 22:38:24,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:38:24,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:38:24,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:38:24,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:38:24,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:38:24,453 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) [2022-11-25 22:38:29,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:38:30,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:38:30,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:38:30,728 INFO L93 Difference]: Finished difference Result 2499 states and 3500 transitions. [2022-11-25 22:38:30,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:38:30,728 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 [2022-11-25 22:38:30,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:38:30,741 INFO L225 Difference]: With dead ends: 2499 [2022-11-25 22:38:30,741 INFO L226 Difference]: Without dead ends: 2497 [2022-11-25 22:38:30,743 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 [2022-11-25 22:38:30,743 INFO L413 NwaCegarLoop]: 2939 mSDtfsCounter, 3286 mSDsluCounter, 2939 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s 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, 5.9s IncrementalHoareTripleChecker+Time [2022-11-25 22:38:30,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3288 Valid, 5878 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2022-11-25 22:38:30,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2497 states. [2022-11-25 22:38:31,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2497 to 2497. [2022-11-25 22:38:31,101 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) [2022-11-25 22:38:31,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2497 states to 2497 states and 3498 transitions. [2022-11-25 22:38:31,112 INFO L78 Accepts]: Start accepts. Automaton has 2497 states and 3498 transitions. Word has length 98 [2022-11-25 22:38:31,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:38:31,113 INFO L495 AbstractCegarLoop]: Abstraction has 2497 states and 3498 transitions. [2022-11-25 22:38:31,113 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) [2022-11-25 22:38:31,113 INFO L276 IsEmpty]: Start isEmpty. Operand 2497 states and 3498 transitions. [2022-11-25 22:38:31,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-25 22:38:31,115 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:38:31,115 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] [2022-11-25 22:38:31,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-25 22:38:31,116 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)] === [2022-11-25 22:38:31,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:38:31,116 INFO L85 PathProgramCache]: Analyzing trace with hash -320868934, now seen corresponding path program 1 times [2022-11-25 22:38:31,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:38:31,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739505073] [2022-11-25 22:38:31,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:38:31,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:38:31,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:38:31,558 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-11-25 22:38:31,558 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:38:31,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739505073] [2022-11-25 22:38:31,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739505073] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:38:31,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:38:31,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:38:31,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096406286] [2022-11-25 22:38:31,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:38:31,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:38:31,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:38:31,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:38:31,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:38:31,561 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) [2022-11-25 22:38:34,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:38:34,086 INFO L93 Difference]: Finished difference Result 4878 states and 6824 transitions. [2022-11-25 22:38:34,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:38:34,086 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 [2022-11-25 22:38:34,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:38:34,099 INFO L225 Difference]: With dead ends: 4878 [2022-11-25 22:38:34,099 INFO L226 Difference]: Without dead ends: 2493 [2022-11-25 22:38:34,110 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 [2022-11-25 22:38:34,111 INFO L413 NwaCegarLoop]: 2935 mSDtfsCounter, 3305 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s 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, 2.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:38:34,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3305 Valid, 2935 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-25 22:38:34,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2493 states. [2022-11-25 22:38:34,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2493 to 2493. [2022-11-25 22:38:34,388 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) [2022-11-25 22:38:34,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2493 states and 3493 transitions. [2022-11-25 22:38:34,401 INFO L78 Accepts]: Start accepts. Automaton has 2493 states and 3493 transitions. Word has length 129 [2022-11-25 22:38:34,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:38:34,401 INFO L495 AbstractCegarLoop]: Abstraction has 2493 states and 3493 transitions. [2022-11-25 22:38:34,401 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) [2022-11-25 22:38:34,402 INFO L276 IsEmpty]: Start isEmpty. Operand 2493 states and 3493 transitions. [2022-11-25 22:38:34,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-25 22:38:34,403 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:38:34,404 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] [2022-11-25 22:38:34,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-25 22:38:34,404 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)] === [2022-11-25 22:38:34,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:38:34,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1762373388, now seen corresponding path program 1 times [2022-11-25 22:38:34,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:38:34,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255949057] [2022-11-25 22:38:34,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:38:34,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:38:34,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:38:35,038 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-25 22:38:35,039 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:38:35,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255949057] [2022-11-25 22:38:35,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255949057] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:38:35,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:38:35,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:38:35,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100210558] [2022-11-25 22:38:35,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:38:35,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:38:35,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:38:35,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:38:35,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:38:35,041 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) [2022-11-25 22:38:40,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:38:40,441 INFO L93 Difference]: Finished difference Result 2493 states and 3493 transitions. [2022-11-25 22:38:40,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:38:40,442 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 [2022-11-25 22:38:40,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:38:40,451 INFO L225 Difference]: With dead ends: 2493 [2022-11-25 22:38:40,451 INFO L226 Difference]: Without dead ends: 2491 [2022-11-25 22:38:40,453 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 [2022-11-25 22:38:40,453 INFO L413 NwaCegarLoop]: 2932 mSDtfsCounter, 3278 mSDsluCounter, 2932 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s 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, 5.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:38:40,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3280 Valid, 5864 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-11-25 22:38:40,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2491 states. [2022-11-25 22:38:40,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2491 to 2491. [2022-11-25 22:38:40,751 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) [2022-11-25 22:38:40,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2491 states to 2491 states and 3491 transitions. [2022-11-25 22:38:40,763 INFO L78 Accepts]: Start accepts. Automaton has 2491 states and 3491 transitions. Word has length 103 [2022-11-25 22:38:40,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:38:40,763 INFO L495 AbstractCegarLoop]: Abstraction has 2491 states and 3491 transitions. [2022-11-25 22:38:40,764 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) [2022-11-25 22:38:40,764 INFO L276 IsEmpty]: Start isEmpty. Operand 2491 states and 3491 transitions. [2022-11-25 22:38:40,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-25 22:38:40,766 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:38:40,766 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] [2022-11-25 22:38:40,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-25 22:38:40,767 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)] === [2022-11-25 22:38:40,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:38:40,768 INFO L85 PathProgramCache]: Analyzing trace with hash -853639164, now seen corresponding path program 1 times [2022-11-25 22:38:40,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:38:40,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668382607] [2022-11-25 22:38:40,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:38:40,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:38:40,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:38:41,338 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2022-11-25 22:38:41,339 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:38:41,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668382607] [2022-11-25 22:38:41,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668382607] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:38:41,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582205913] [2022-11-25 22:38:41,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:38:41,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:38:41,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:38:41,347 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:38:41,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 22:38:43,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:38:43,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 4371 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 22:38:43,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:38:43,149 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-11-25 22:38:43,149 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:38:43,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1582205913] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:38:43,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 22:38:43,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-11-25 22:38:43,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615898098] [2022-11-25 22:38:43,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:38:43,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:38:43,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:38:43,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:38:43,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-25 22:38:43,152 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) [2022-11-25 22:38:46,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:38:46,142 INFO L93 Difference]: Finished difference Result 4907 states and 6851 transitions. [2022-11-25 22:38:46,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:38:46,143 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 [2022-11-25 22:38:46,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:38:46,154 INFO L225 Difference]: With dead ends: 4907 [2022-11-25 22:38:46,154 INFO L226 Difference]: Without dead ends: 2531 [2022-11-25 22:38:46,164 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 [2022-11-25 22:38:46,164 INFO L413 NwaCegarLoop]: 2958 mSDtfsCounter, 3254 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s 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, 2.6s IncrementalHoareTripleChecker+Time [2022-11-25 22:38:46,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3254 Valid, 3026 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-25 22:38:46,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2531 states. [2022-11-25 22:38:46,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2531 to 2529. [2022-11-25 22:38:46,606 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) [2022-11-25 22:38:46,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2529 states to 2529 states and 3528 transitions. [2022-11-25 22:38:46,618 INFO L78 Accepts]: Start accepts. Automaton has 2529 states and 3528 transitions. Word has length 134 [2022-11-25 22:38:46,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:38:46,619 INFO L495 AbstractCegarLoop]: Abstraction has 2529 states and 3528 transitions. [2022-11-25 22:38:46,619 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) [2022-11-25 22:38:46,620 INFO L276 IsEmpty]: Start isEmpty. Operand 2529 states and 3528 transitions. [2022-11-25 22:38:46,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-25 22:38:46,622 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:38:46,622 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] [2022-11-25 22:38:46,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 22:38:46,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c801997e-2954-4edb-b717-b5e4c6c4da6a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-25 22:38:46,835 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)] === [2022-11-25 22:38:46,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:38:46,836 INFO L85 PathProgramCache]: Analyzing trace with hash 6030974, now seen corresponding path program 1 times [2022-11-25 22:38:46,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:38:46,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268115317] [2022-11-25 22:38:46,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:38:46,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:38:46,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:38:47,449 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-25 22:38:47,449 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:38:47,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268115317] [2022-11-25 22:38:47,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268115317] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:38:47,450 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:38:47,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:38:47,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321324889] [2022-11-25 22:38:47,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:38:47,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:38:47,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:38:47,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:38:47,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:38:47,452 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) [2022-11-25 22:38:52,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:38:52,125 INFO L93 Difference]: Finished difference Result 2529 states and 3528 transitions. [2022-11-25 22:38:52,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:38:52,126 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 [2022-11-25 22:38:52,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:38:52,136 INFO L225 Difference]: With dead ends: 2529 [2022-11-25 22:38:52,136 INFO L226 Difference]: Without dead ends: 2527 [2022-11-25 22:38:52,139 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 [2022-11-25 22:38:52,139 INFO L413 NwaCegarLoop]: 2925 mSDtfsCounter, 3270 mSDsluCounter, 2925 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s 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, 4.3s IncrementalHoareTripleChecker+Time [2022-11-25 22:38:52,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3272 Valid, 5850 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-11-25 22:38:52,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2527 states. [2022-11-25 22:38:52,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2527 to 2527. [2022-11-25 22:38:52,391 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) [2022-11-25 22:38:52,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2527 states to 2527 states and 3526 transitions. [2022-11-25 22:38:52,403 INFO L78 Accepts]: Start accepts. Automaton has 2527 states and 3526 transitions. Word has length 108 [2022-11-25 22:38:52,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:38:52,404 INFO L495 AbstractCegarLoop]: Abstraction has 2527 states and 3526 transitions. [2022-11-25 22:38:52,404 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) [2022-11-25 22:38:52,405 INFO L276 IsEmpty]: Start isEmpty. Operand 2527 states and 3526 transitions. [2022-11-25 22:38:52,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-25 22:38:52,407 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:38:52,407 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] [2022-11-25 22:38:52,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-25 22:38:52,407 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)] === [2022-11-25 22:38:52,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:38:52,408 INFO L85 PathProgramCache]: Analyzing trace with hash -452561009, now seen corresponding path program 1 times [2022-11-25 22:38:52,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:38:52,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981573770] [2022-11-25 22:38:52,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:38:52,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:38:52,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:38:53,033 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-25 22:38:53,034 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:38:53,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981573770] [2022-11-25 22:38:53,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981573770] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:38:53,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:38:53,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:38:53,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485818434] [2022-11-25 22:38:53,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:38:53,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:38:53,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:38:53,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:38:53,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:38:53,038 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) [2022-11-25 22:38:56,612 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 [] [2022-11-25 22:39:00,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:39:00,450 INFO L93 Difference]: Finished difference Result 2527 states and 3526 transitions. [2022-11-25 22:39:00,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:39:00,451 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 [2022-11-25 22:39:00,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:39:00,458 INFO L225 Difference]: With dead ends: 2527 [2022-11-25 22:39:00,458 INFO L226 Difference]: Without dead ends: 2525 [2022-11-25 22:39:00,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:39:00,459 INFO L413 NwaCegarLoop]: 2923 mSDtfsCounter, 3267 mSDsluCounter, 2923 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s 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, 6.9s IncrementalHoareTripleChecker+Time [2022-11-25 22:39:00,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3269 Valid, 5846 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2022-11-25 22:39:00,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2525 states. [2022-11-25 22:39:00,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2525 to 2525. [2022-11-25 22:39:00,794 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) [2022-11-25 22:39:00,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2525 states to 2525 states and 3524 transitions. [2022-11-25 22:39:00,805 INFO L78 Accepts]: Start accepts. Automaton has 2525 states and 3524 transitions. Word has length 113 [2022-11-25 22:39:00,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:39:00,805 INFO L495 AbstractCegarLoop]: Abstraction has 2525 states and 3524 transitions. [2022-11-25 22:39:00,805 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) [2022-11-25 22:39:00,806 INFO L276 IsEmpty]: Start isEmpty. Operand 2525 states and 3524 transitions. [2022-11-25 22:39:00,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-25 22:39:00,808 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:39:00,808 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] [2022-11-25 22:39:00,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-25 22:39:00,809 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)] === [2022-11-25 22:39:00,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:39:00,809 INFO L85 PathProgramCache]: Analyzing trace with hash -2121117814, now seen corresponding path program 1 times [2022-11-25 22:39:00,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:39:00,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491730148] [2022-11-25 22:39:00,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:39:00,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:39:00,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:39:01,389 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-25 22:39:01,389 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:39:01,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491730148] [2022-11-25 22:39:01,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491730148] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:39:01,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:39:01,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:39:01,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181519508] [2022-11-25 22:39:01,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:39:01,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:39:01,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:39:01,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:39:01,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:39:01,393 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) [2022-11-25 22:39:04,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:39:07,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:39:07,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:39:07,952 INFO L93 Difference]: Finished difference Result 2525 states and 3524 transitions. [2022-11-25 22:39:07,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:39:07,953 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 [2022-11-25 22:39:07,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:39:07,963 INFO L225 Difference]: With dead ends: 2525 [2022-11-25 22:39:07,963 INFO L226 Difference]: Without dead ends: 2523 [2022-11-25 22:39:07,965 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 [2022-11-25 22:39:07,966 INFO L413 NwaCegarLoop]: 2921 mSDtfsCounter, 3264 mSDsluCounter, 2921 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s 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, 6.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:39:07,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3266 Valid, 5842 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-11-25 22:39:07,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2523 states. [2022-11-25 22:39:08,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2523 to 2523. [2022-11-25 22:39:08,323 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) [2022-11-25 22:39:08,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2523 states to 2523 states and 3522 transitions. [2022-11-25 22:39:08,334 INFO L78 Accepts]: Start accepts. Automaton has 2523 states and 3522 transitions. Word has length 118 [2022-11-25 22:39:08,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:39:08,335 INFO L495 AbstractCegarLoop]: Abstraction has 2523 states and 3522 transitions. [2022-11-25 22:39:08,335 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) [2022-11-25 22:39:08,335 INFO L276 IsEmpty]: Start isEmpty. Operand 2523 states and 3522 transitions. [2022-11-25 22:39:08,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-25 22:39:08,338 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:39:08,338 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] [2022-11-25 22:39:08,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-25 22:39:08,338 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)] === [2022-11-25 22:39:08,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:39:08,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1084835995, now seen corresponding path program 1 times [2022-11-25 22:39:08,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:39:08,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251704849] [2022-11-25 22:39:08,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:39:08,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:39:08,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:39:08,958 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-25 22:39:08,958 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:39:08,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251704849] [2022-11-25 22:39:08,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251704849] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:39:08,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:39:08,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:39:08,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430528505] [2022-11-25 22:39:08,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:39:08,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:39:08,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:39:08,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:39:08,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:39:08,961 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) [2022-11-25 22:39:14,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:39:14,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:39:14,849 INFO L93 Difference]: Finished difference Result 2523 states and 3522 transitions. [2022-11-25 22:39:14,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:39:14,850 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 [2022-11-25 22:39:14,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:39:14,860 INFO L225 Difference]: With dead ends: 2523 [2022-11-25 22:39:14,861 INFO L226 Difference]: Without dead ends: 2521 [2022-11-25 22:39:14,863 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 [2022-11-25 22:39:14,863 INFO L413 NwaCegarLoop]: 2919 mSDtfsCounter, 3261 mSDsluCounter, 2919 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s 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, 5.4s IncrementalHoareTripleChecker+Time [2022-11-25 22:39:14,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3263 Valid, 5838 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-11-25 22:39:14,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2521 states. [2022-11-25 22:39:15,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2521 to 2521. [2022-11-25 22:39:15,251 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) [2022-11-25 22:39:15,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2521 states to 2521 states and 3520 transitions. [2022-11-25 22:39:15,262 INFO L78 Accepts]: Start accepts. Automaton has 2521 states and 3520 transitions. Word has length 123 [2022-11-25 22:39:15,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:39:15,263 INFO L495 AbstractCegarLoop]: Abstraction has 2521 states and 3520 transitions. [2022-11-25 22:39:15,263 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) [2022-11-25 22:39:15,263 INFO L276 IsEmpty]: Start isEmpty. Operand 2521 states and 3520 transitions. [2022-11-25 22:39:15,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-25 22:39:15,265 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:39:15,266 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] [2022-11-25 22:39:15,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-25 22:39:15,266 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)] === [2022-11-25 22:39:15,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:39:15,267 INFO L85 PathProgramCache]: Analyzing trace with hash -122723261, now seen corresponding path program 1 times [2022-11-25 22:39:15,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:39:15,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881581211] [2022-11-25 22:39:15,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:39:15,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:39:15,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:39:16,552 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-25 22:39:16,552 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:39:16,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881581211] [2022-11-25 22:39:16,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881581211] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:39:16,553 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:39:16,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:39:16,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958952727] [2022-11-25 22:39:16,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:39:16,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:39:16,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:39:16,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:39:16,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:39:16,557 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) [2022-11-25 22:39:19,196 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 [] [2022-11-25 22:39:22,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:39:22,118 INFO L93 Difference]: Finished difference Result 2521 states and 3520 transitions. [2022-11-25 22:39:22,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:39:22,119 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 [2022-11-25 22:39:22,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:39:22,129 INFO L225 Difference]: With dead ends: 2521 [2022-11-25 22:39:22,129 INFO L226 Difference]: Without dead ends: 2519 [2022-11-25 22:39:22,131 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 [2022-11-25 22:39:22,132 INFO L413 NwaCegarLoop]: 2917 mSDtfsCounter, 3258 mSDsluCounter, 2917 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s 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, 5.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:39:22,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3260 Valid, 5834 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-11-25 22:39:22,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2519 states. [2022-11-25 22:39:22,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2519 to 2519. [2022-11-25 22:39:22,654 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) [2022-11-25 22:39:22,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2519 states to 2519 states and 3518 transitions. [2022-11-25 22:39:22,662 INFO L78 Accepts]: Start accepts. Automaton has 2519 states and 3518 transitions. Word has length 128 [2022-11-25 22:39:22,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:39:22,663 INFO L495 AbstractCegarLoop]: Abstraction has 2519 states and 3518 transitions. [2022-11-25 22:39:22,663 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) [2022-11-25 22:39:22,663 INFO L276 IsEmpty]: Start isEmpty. Operand 2519 states and 3518 transitions. [2022-11-25 22:39:22,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-11-25 22:39:22,666 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:39:22,666 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] [2022-11-25 22:39:22,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-25 22:39:22,667 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)] === [2022-11-25 22:39:22,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:39:22,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1827270080, now seen corresponding path program 1 times [2022-11-25 22:39:22,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:39:22,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613384928] [2022-11-25 22:39:22,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:39:22,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:39:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:39:23,260 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-25 22:39:23,261 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:39:23,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613384928] [2022-11-25 22:39:23,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613384928] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:39:23,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:39:23,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:39:23,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494250795] [2022-11-25 22:39:23,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:39:23,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:39:23,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:39:23,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:39:23,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:39:23,265 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) [2022-11-25 22:39:27,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:39:27,859 INFO L93 Difference]: Finished difference Result 2519 states and 3518 transitions. [2022-11-25 22:39:27,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:39:27,862 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 [2022-11-25 22:39:27,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:39:27,869 INFO L225 Difference]: With dead ends: 2519 [2022-11-25 22:39:27,869 INFO L226 Difference]: Without dead ends: 2517 [2022-11-25 22:39:27,871 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 [2022-11-25 22:39:27,871 INFO L413 NwaCegarLoop]: 2915 mSDtfsCounter, 3255 mSDsluCounter, 2915 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s 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, 4.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:39:27,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3257 Valid, 5830 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-11-25 22:39:27,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2517 states. [2022-11-25 22:39:28,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2517 to 2517. [2022-11-25 22:39:28,163 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) [2022-11-25 22:39:28,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2517 states to 2517 states and 3516 transitions. [2022-11-25 22:39:28,170 INFO L78 Accepts]: Start accepts. Automaton has 2517 states and 3516 transitions. Word has length 133 [2022-11-25 22:39:28,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:39:28,170 INFO L495 AbstractCegarLoop]: Abstraction has 2517 states and 3516 transitions. [2022-11-25 22:39:28,170 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) [2022-11-25 22:39:28,171 INFO L276 IsEmpty]: Start isEmpty. Operand 2517 states and 3516 transitions. [2022-11-25 22:39:28,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-11-25 22:39:28,173 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:39:28,174 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] [2022-11-25 22:39:28,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-25 22:39:28,174 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)] === [2022-11-25 22:39:28,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:39:28,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1720117056, now seen corresponding path program 1 times [2022-11-25 22:39:28,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:39:28,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498735381] [2022-11-25 22:39:28,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:39:28,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:39:28,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:39:28,755 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-25 22:39:28,755 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:39:28,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498735381] [2022-11-25 22:39:28,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498735381] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:39:28,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:39:28,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:39:28,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187569375] [2022-11-25 22:39:28,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:39:28,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:39:28,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:39:28,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:39:28,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:39:28,758 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) [2022-11-25 22:39:32,943 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 [] [2022-11-25 22:39:34,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:39:34,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:39:34,715 INFO L93 Difference]: Finished difference Result 2517 states and 3516 transitions. [2022-11-25 22:39:34,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:39:34,716 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 [2022-11-25 22:39:34,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:39:34,725 INFO L225 Difference]: With dead ends: 2517 [2022-11-25 22:39:34,725 INFO L226 Difference]: Without dead ends: 2515 [2022-11-25 22:39:34,727 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 [2022-11-25 22:39:34,728 INFO L413 NwaCegarLoop]: 2913 mSDtfsCounter, 3252 mSDsluCounter, 2913 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s 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, 5.4s IncrementalHoareTripleChecker+Time [2022-11-25 22:39:34,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3254 Valid, 5826 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-11-25 22:39:34,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2515 states. [2022-11-25 22:39:35,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2515 to 2515. [2022-11-25 22:39:35,167 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) [2022-11-25 22:39:35,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2515 states to 2515 states and 3514 transitions. [2022-11-25 22:39:35,178 INFO L78 Accepts]: Start accepts. Automaton has 2515 states and 3514 transitions. Word has length 138 [2022-11-25 22:39:35,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:39:35,179 INFO L495 AbstractCegarLoop]: Abstraction has 2515 states and 3514 transitions. [2022-11-25 22:39:35,179 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) [2022-11-25 22:39:35,179 INFO L276 IsEmpty]: Start isEmpty. Operand 2515 states and 3514 transitions. [2022-11-25 22:39:35,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-11-25 22:39:35,183 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:39:35,183 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] [2022-11-25 22:39:35,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-25 22:39:35,184 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)] === [2022-11-25 22:39:35,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:39:35,184 INFO L85 PathProgramCache]: Analyzing trace with hash 255548023, now seen corresponding path program 1 times [2022-11-25 22:39:35,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:39:35,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547289844] [2022-11-25 22:39:35,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:39:35,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:39:35,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:39:36,402 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2022-11-25 22:39:36,403 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:39:36,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547289844] [2022-11-25 22:39:36,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547289844] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:39:36,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:39:36,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:39:36,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993070326] [2022-11-25 22:39:36,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:39:36,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:39:36,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:39:36,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:39:36,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:39:36,405 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) [2022-11-25 22:39:44,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:39:45,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:39:45,162 INFO L93 Difference]: Finished difference Result 2763 states and 3818 transitions. [2022-11-25 22:39:45,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 22:39:45,163 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 [2022-11-25 22:39:45,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:39:45,172 INFO L225 Difference]: With dead ends: 2763 [2022-11-25 22:39:45,172 INFO L226 Difference]: Without dead ends: 2761 [2022-11-25 22:39:45,174 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 [2022-11-25 22:39:45,175 INFO L413 NwaCegarLoop]: 3134 mSDtfsCounter, 2901 mSDsluCounter, 6845 mSDsCounter, 0 mSdLazyCounter, 1272 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2903 SdHoareTripleChecker+Valid, 9979 SdHoareTripleChecker+Invalid, 1275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:39:45,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2903 Valid, 9979 Invalid, 1275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1272 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2022-11-25 22:39:45,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2761 states. [2022-11-25 22:39:45,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2761 to 2748. [2022-11-25 22:39:45,743 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) [2022-11-25 22:39:45,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2748 states to 2748 states and 3801 transitions. [2022-11-25 22:39:45,751 INFO L78 Accepts]: Start accepts. Automaton has 2748 states and 3801 transitions. Word has length 176 [2022-11-25 22:39:45,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:39:45,752 INFO L495 AbstractCegarLoop]: Abstraction has 2748 states and 3801 transitions. [2022-11-25 22:39:45,752 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) [2022-11-25 22:39:45,752 INFO L276 IsEmpty]: Start isEmpty. Operand 2748 states and 3801 transitions. [2022-11-25 22:39:45,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-11-25 22:39:45,754 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:39:45,754 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] [2022-11-25 22:39:45,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-25 22:39:45,755 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)] === [2022-11-25 22:39:45,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:39:45,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1585520641, now seen corresponding path program 1 times [2022-11-25 22:39:45,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:39:45,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355681392] [2022-11-25 22:39:45,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:39:45,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:39:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:39:46,341 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-25 22:39:46,342 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:39:46,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355681392] [2022-11-25 22:39:46,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355681392] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:39:46,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:39:46,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:39:46,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45926029] [2022-11-25 22:39:46,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:39:46,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:39:46,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:39:46,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:39:46,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:39:46,345 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) [2022-11-25 22:39:50,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:39:52,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:39:54,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:39:54,754 INFO L93 Difference]: Finished difference Result 5032 states and 6941 transitions. [2022-11-25 22:39:54,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:39:54,755 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 [2022-11-25 22:39:54,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:39:54,775 INFO L225 Difference]: With dead ends: 5032 [2022-11-25 22:39:54,775 INFO L226 Difference]: Without dead ends: 5030 [2022-11-25 22:39:54,779 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 [2022-11-25 22:39:54,780 INFO L413 NwaCegarLoop]: 3508 mSDtfsCounter, 2891 mSDsluCounter, 6199 mSDsCounter, 0 mSdLazyCounter, 1105 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s 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, 7.4s IncrementalHoareTripleChecker+Time [2022-11-25 22:39:54,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2893 Valid, 9707 Invalid, 1106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1105 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2022-11-25 22:39:54,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5030 states. [2022-11-25 22:39:55,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5030 to 5001. [2022-11-25 22:39:55,579 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) [2022-11-25 22:39:55,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5001 states to 5001 states and 6917 transitions. [2022-11-25 22:39:55,593 INFO L78 Accepts]: Start accepts. Automaton has 5001 states and 6917 transitions. Word has length 143 [2022-11-25 22:39:55,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:39:55,593 INFO L495 AbstractCegarLoop]: Abstraction has 5001 states and 6917 transitions. [2022-11-25 22:39:55,593 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) [2022-11-25 22:39:55,593 INFO L276 IsEmpty]: Start isEmpty. Operand 5001 states and 6917 transitions. [2022-11-25 22:39:55,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-11-25 22:39:55,596 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:39:55,596 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] [2022-11-25 22:39:55,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-25 22:39:55,597 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)] === [2022-11-25 22:39:55,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:39:55,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1435656703, now seen corresponding path program 1 times [2022-11-25 22:39:55,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:39:55,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879603657] [2022-11-25 22:39:55,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:39:55,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:39:55,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:39:56,161 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-25 22:39:56,161 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:39:56,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879603657] [2022-11-25 22:39:56,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879603657] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:39:56,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:39:56,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:39:56,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922090808] [2022-11-25 22:39:56,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:39:56,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:39:56,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:39:56,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:39:56,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:39:56,164 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) [2022-11-25 22:39:58,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:40:01,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:40:02,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:40:02,876 INFO L93 Difference]: Finished difference Result 5001 states and 6917 transitions. [2022-11-25 22:40:02,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:40:02,876 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 [2022-11-25 22:40:02,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:40:02,889 INFO L225 Difference]: With dead ends: 5001 [2022-11-25 22:40:02,890 INFO L226 Difference]: Without dead ends: 4999 [2022-11-25 22:40:02,892 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 [2022-11-25 22:40:02,892 INFO L413 NwaCegarLoop]: 2911 mSDtfsCounter, 3248 mSDsluCounter, 2911 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s 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, 5.8s IncrementalHoareTripleChecker+Time [2022-11-25 22:40:02,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3250 Valid, 5822 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-11-25 22:40:02,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4999 states. [2022-11-25 22:40:03,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4999 to 4999. [2022-11-25 22:40:03,686 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) [2022-11-25 22:40:03,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4999 states to 4999 states and 6915 transitions. [2022-11-25 22:40:03,700 INFO L78 Accepts]: Start accepts. Automaton has 4999 states and 6915 transitions. Word has length 148 [2022-11-25 22:40:03,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:40:03,701 INFO L495 AbstractCegarLoop]: Abstraction has 4999 states and 6915 transitions. [2022-11-25 22:40:03,701 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) [2022-11-25 22:40:03,701 INFO L276 IsEmpty]: Start isEmpty. Operand 4999 states and 6915 transitions. [2022-11-25 22:40:03,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-11-25 22:40:03,703 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:40:03,703 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] [2022-11-25 22:40:03,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-25 22:40:03,703 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)] === [2022-11-25 22:40:03,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:40:03,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1075690538, now seen corresponding path program 1 times [2022-11-25 22:40:03,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:40:03,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733154055] [2022-11-25 22:40:03,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:40:03,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:40:03,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:40:04,292 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-25 22:40:04,293 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:40:04,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733154055] [2022-11-25 22:40:04,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733154055] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:40:04,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:40:04,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:40:04,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570767669] [2022-11-25 22:40:04,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:40:04,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:40:04,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:40:04,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:40:04,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:40:04,295 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) [2022-11-25 22:40:08,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:40:09,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:40:11,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:40:13,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:40:13,714 INFO L93 Difference]: Finished difference Result 7455 states and 10349 transitions. [2022-11-25 22:40:13,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:40:13,715 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 [2022-11-25 22:40:13,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:40:13,744 INFO L225 Difference]: With dead ends: 7455 [2022-11-25 22:40:13,744 INFO L226 Difference]: Without dead ends: 7323 [2022-11-25 22:40:13,750 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 [2022-11-25 22:40:13,751 INFO L413 NwaCegarLoop]: 3684 mSDtfsCounter, 3147 mSDsluCounter, 6382 mSDsCounter, 0 mSdLazyCounter, 1157 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s 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, 8.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:40:13,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3147 Valid, 10066 Invalid, 1157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1157 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2022-11-25 22:40:13,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7323 states. [2022-11-25 22:40:14,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7323 to 7300. [2022-11-25 22:40:14,741 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) [2022-11-25 22:40:14,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7300 states to 7300 states and 10176 transitions. [2022-11-25 22:40:14,767 INFO L78 Accepts]: Start accepts. Automaton has 7300 states and 10176 transitions. Word has length 153 [2022-11-25 22:40:14,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:40:14,768 INFO L495 AbstractCegarLoop]: Abstraction has 7300 states and 10176 transitions. [2022-11-25 22:40:14,768 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) [2022-11-25 22:40:14,768 INFO L276 IsEmpty]: Start isEmpty. Operand 7300 states and 10176 transitions. [2022-11-25 22:40:14,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-11-25 22:40:14,770 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:40:14,770 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] [2022-11-25 22:40:14,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-25 22:40:14,771 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)] === [2022-11-25 22:40:14,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:40:14,771 INFO L85 PathProgramCache]: Analyzing trace with hash -857802485, now seen corresponding path program 1 times [2022-11-25 22:40:14,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:40:14,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319525952] [2022-11-25 22:40:14,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:40:14,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:40:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:40:15,669 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2022-11-25 22:40:15,669 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:40:15,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319525952] [2022-11-25 22:40:15,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319525952] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:40:15,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:40:15,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:40:15,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358410291] [2022-11-25 22:40:15,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:40:15,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:40:15,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:40:15,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:40:15,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:40:15,672 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) [2022-11-25 22:40:19,115 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 [] [2022-11-25 22:40:22,997 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 [] [2022-11-25 22:40:26,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:40:26,338 INFO L93 Difference]: Finished difference Result 7310 states and 10184 transitions. [2022-11-25 22:40:26,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:40:26,338 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 [2022-11-25 22:40:26,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:40:26,366 INFO L225 Difference]: With dead ends: 7310 [2022-11-25 22:40:26,366 INFO L226 Difference]: Without dead ends: 7308 [2022-11-25 22:40:26,370 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 [2022-11-25 22:40:26,371 INFO L413 NwaCegarLoop]: 3009 mSDtfsCounter, 630 mSDsluCounter, 8606 mSDsCounter, 0 mSdLazyCounter, 1558 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s 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, 9.5s IncrementalHoareTripleChecker+Time [2022-11-25 22:40:26,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [631 Valid, 11615 Invalid, 1559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1558 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2022-11-25 22:40:26,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7308 states. [2022-11-25 22:40:27,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7308 to 7300. [2022-11-25 22:40:27,269 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) [2022-11-25 22:40:27,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7300 states to 7300 states and 10170 transitions. [2022-11-25 22:40:27,299 INFO L78 Accepts]: Start accepts. Automaton has 7300 states and 10170 transitions. Word has length 198 [2022-11-25 22:40:27,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:40:27,300 INFO L495 AbstractCegarLoop]: Abstraction has 7300 states and 10170 transitions. [2022-11-25 22:40:27,300 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) [2022-11-25 22:40:27,300 INFO L276 IsEmpty]: Start isEmpty. Operand 7300 states and 10170 transitions. [2022-11-25 22:40:27,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-11-25 22:40:27,303 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:40:27,303 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] [2022-11-25 22:40:27,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-25 22:40:27,304 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)] === [2022-11-25 22:40:27,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:40:27,304 INFO L85 PathProgramCache]: Analyzing trace with hash -87647650, now seen corresponding path program 1 times [2022-11-25 22:40:27,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:40:27,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079948496] [2022-11-25 22:40:27,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:40:27,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:40:27,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:40:28,606 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 553 trivial. 0 not checked. [2022-11-25 22:40:28,607 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:40:28,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079948496] [2022-11-25 22:40:28,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079948496] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:40:28,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:40:28,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:40:28,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747292778] [2022-11-25 22:40:28,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:40:28,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:40:28,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:40:28,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:40:28,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:40:28,610 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) [2022-11-25 22:40:32,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:40:33,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:40:36,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:40:37,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:40:40,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:40:40,881 INFO L93 Difference]: Finished difference Result 14294 states and 19920 transitions. [2022-11-25 22:40:40,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:40:40,882 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 [2022-11-25 22:40:40,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:40:40,919 INFO L225 Difference]: With dead ends: 14294 [2022-11-25 22:40:40,919 INFO L226 Difference]: Without dead ends: 7764 [2022-11-25 22:40:40,950 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 [2022-11-25 22:40:40,954 INFO L413 NwaCegarLoop]: 3009 mSDtfsCounter, 113 mSDsluCounter, 8943 mSDsCounter, 0 mSdLazyCounter, 1546 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 11952 SdHoareTripleChecker+Invalid, 1546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:40:40,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 11952 Invalid, 1546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1546 Invalid, 0 Unknown, 0 Unchecked, 11.0s Time] [2022-11-25 22:40:40,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7764 states. [2022-11-25 22:40:41,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7764 to 7312. [2022-11-25 22:40:41,967 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) [2022-11-25 22:40:42,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7312 states to 7312 states and 10191 transitions. [2022-11-25 22:40:42,011 INFO L78 Accepts]: Start accepts. Automaton has 7312 states and 10191 transitions. Word has length 201 [2022-11-25 22:40:42,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:40:42,012 INFO L495 AbstractCegarLoop]: Abstraction has 7312 states and 10191 transitions. [2022-11-25 22:40:42,012 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) [2022-11-25 22:40:42,012 INFO L276 IsEmpty]: Start isEmpty. Operand 7312 states and 10191 transitions. [2022-11-25 22:40:42,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-11-25 22:40:42,016 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:40:42,017 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] [2022-11-25 22:40:42,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-25 22:40:42,017 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)] === [2022-11-25 22:40:42,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:40:42,018 INFO L85 PathProgramCache]: Analyzing trace with hash 2039564402, now seen corresponding path program 1 times [2022-11-25 22:40:42,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:40:42,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048979959] [2022-11-25 22:40:42,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:40:42,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:40:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:40:42,987 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2022-11-25 22:40:42,987 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:40:42,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048979959] [2022-11-25 22:40:42,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048979959] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:40:42,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:40:42,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 22:40:42,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911217038] [2022-11-25 22:40:42,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:40:42,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 22:40:42,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:40:42,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 22:40:42,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 22:40:42,990 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) [2022-11-25 22:40:52,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:40:54,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:40:58,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:40:58,353 INFO L93 Difference]: Finished difference Result 14369 states and 20024 transitions. [2022-11-25 22:40:58,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 22:40:58,353 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 [2022-11-25 22:40:58,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:40:58,397 INFO L225 Difference]: With dead ends: 14369 [2022-11-25 22:40:58,398 INFO L226 Difference]: Without dead ends: 7827 [2022-11-25 22:40:58,426 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 [2022-11-25 22:40:58,427 INFO L413 NwaCegarLoop]: 3113 mSDtfsCounter, 3421 mSDsluCounter, 7807 mSDsCounter, 0 mSdLazyCounter, 3472 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3423 SdHoareTripleChecker+Valid, 10920 SdHoareTripleChecker+Invalid, 3575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 3472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2022-11-25 22:40:58,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3423 Valid, 10920 Invalid, 3575 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [103 Valid, 3472 Invalid, 0 Unknown, 0 Unchecked, 13.7s Time] [2022-11-25 22:40:58,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7827 states. [2022-11-25 22:40:59,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7827 to 7304. [2022-11-25 22:40:59,423 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) [2022-11-25 22:40:59,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7304 states to 7304 states and 10178 transitions. [2022-11-25 22:40:59,448 INFO L78 Accepts]: Start accepts. Automaton has 7304 states and 10178 transitions. Word has length 214 [2022-11-25 22:40:59,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:40:59,448 INFO L495 AbstractCegarLoop]: Abstraction has 7304 states and 10178 transitions. [2022-11-25 22:40:59,449 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) [2022-11-25 22:40:59,449 INFO L276 IsEmpty]: Start isEmpty. Operand 7304 states and 10178 transitions. [2022-11-25 22:40:59,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-11-25 22:40:59,452 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:40:59,452 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] [2022-11-25 22:40:59,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-25 22:40:59,453 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)] === [2022-11-25 22:40:59,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:40:59,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1197638146, now seen corresponding path program 1 times [2022-11-25 22:40:59,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:40:59,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214233132] [2022-11-25 22:40:59,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:40:59,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:40:59,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:41:00,153 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2022-11-25 22:41:00,153 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:41:00,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214233132] [2022-11-25 22:41:00,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214233132] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:41:00,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:41:00,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:41:00,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278426705] [2022-11-25 22:41:00,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:41:00,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:41:00,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:41:00,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:41:00,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:41:00,156 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) [2022-11-25 22:41:03,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:41:06,627 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 [] [2022-11-25 22:41:08,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:41:08,252 INFO L93 Difference]: Finished difference Result 7783 states and 10953 transitions. [2022-11-25 22:41:08,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:41:08,252 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 [2022-11-25 22:41:08,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:41:08,284 INFO L225 Difference]: With dead ends: 7783 [2022-11-25 22:41:08,284 INFO L226 Difference]: Without dead ends: 7781 [2022-11-25 22:41:08,290 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 [2022-11-25 22:41:08,290 INFO L413 NwaCegarLoop]: 3054 mSDtfsCounter, 3436 mSDsluCounter, 2936 mSDsCounter, 0 mSdLazyCounter, 877 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3436 SdHoareTripleChecker+Valid, 5990 SdHoareTripleChecker+Invalid, 982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-11-25 22:41:08,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3436 Valid, 5990 Invalid, 982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 877 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2022-11-25 22:41:08,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7781 states. [2022-11-25 22:41:09,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7781 to 7302. [2022-11-25 22:41:09,360 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) [2022-11-25 22:41:09,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7302 states to 7302 states and 10174 transitions. [2022-11-25 22:41:09,382 INFO L78 Accepts]: Start accepts. Automaton has 7302 states and 10174 transitions. Word has length 215 [2022-11-25 22:41:09,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:41:09,382 INFO L495 AbstractCegarLoop]: Abstraction has 7302 states and 10174 transitions. [2022-11-25 22:41:09,382 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) [2022-11-25 22:41:09,383 INFO L276 IsEmpty]: Start isEmpty. Operand 7302 states and 10174 transitions. [2022-11-25 22:41:09,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-11-25 22:41:09,386 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:41:09,386 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] [2022-11-25 22:41:09,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-25 22:41:09,387 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)] === [2022-11-25 22:41:09,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:41:09,387 INFO L85 PathProgramCache]: Analyzing trace with hash 139551078, now seen corresponding path program 1 times [2022-11-25 22:41:09,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:41:09,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376536446] [2022-11-25 22:41:09,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:41:09,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:41:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:41:10,251 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2022-11-25 22:41:10,251 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:41:10,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376536446] [2022-11-25 22:41:10,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376536446] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:41:10,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:41:10,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:41:10,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078631525] [2022-11-25 22:41:10,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:41:10,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:41:10,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:41:10,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:41:10,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:41:10,254 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) [2022-11-25 22:41:15,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:41:17,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:41:19,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:41:19,503 INFO L93 Difference]: Finished difference Result 7335 states and 10198 transitions. [2022-11-25 22:41:19,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:41:19,504 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 [2022-11-25 22:41:19,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:41:19,532 INFO L225 Difference]: With dead ends: 7335 [2022-11-25 22:41:19,533 INFO L226 Difference]: Without dead ends: 7333 [2022-11-25 22:41:19,537 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 [2022-11-25 22:41:19,538 INFO L413 NwaCegarLoop]: 2908 mSDtfsCounter, 3198 mSDsluCounter, 5835 mSDsCounter, 0 mSdLazyCounter, 1155 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s 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, 8.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:41:19,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3200 Valid, 8743 Invalid, 1157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1155 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2022-11-25 22:41:19,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7333 states. [2022-11-25 22:41:20,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7333 to 7331. [2022-11-25 22:41:20,713 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) [2022-11-25 22:41:20,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7331 states to 7331 states and 10193 transitions. [2022-11-25 22:41:20,735 INFO L78 Accepts]: Start accepts. Automaton has 7331 states and 10193 transitions. Word has length 224 [2022-11-25 22:41:20,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:41:20,735 INFO L495 AbstractCegarLoop]: Abstraction has 7331 states and 10193 transitions. [2022-11-25 22:41:20,735 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) [2022-11-25 22:41:20,736 INFO L276 IsEmpty]: Start isEmpty. Operand 7331 states and 10193 transitions. [2022-11-25 22:41:20,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-11-25 22:41:20,740 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:41:20,740 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] [2022-11-25 22:41:20,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-25 22:41:20,740 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)] === [2022-11-25 22:41:20,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:41:20,741 INFO L85 PathProgramCache]: Analyzing trace with hash 511612855, now seen corresponding path program 1 times [2022-11-25 22:41:20,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:41:20,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627863083] [2022-11-25 22:41:20,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:41:20,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:41:20,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:41:22,173 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 391 trivial. 0 not checked. [2022-11-25 22:41:22,173 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:41:22,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627863083] [2022-11-25 22:41:22,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627863083] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:41:22,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:41:22,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:41:22,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856400261] [2022-11-25 22:41:22,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:41:22,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:41:22,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:41:22,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:41:22,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:41:22,176 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) [2022-11-25 22:41:26,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:41:30,876 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 [] [2022-11-25 22:41:33,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:41:33,585 INFO L93 Difference]: Finished difference Result 8514 states and 11548 transitions. [2022-11-25 22:41:33,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:41:33,586 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 [2022-11-25 22:41:33,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:41:33,607 INFO L225 Difference]: With dead ends: 8514 [2022-11-25 22:41:33,608 INFO L226 Difference]: Without dead ends: 8512 [2022-11-25 22:41:33,611 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 [2022-11-25 22:41:33,612 INFO L413 NwaCegarLoop]: 3069 mSDtfsCounter, 3162 mSDsluCounter, 6392 mSDsCounter, 0 mSdLazyCounter, 1242 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3165 SdHoareTripleChecker+Valid, 9461 SdHoareTripleChecker+Invalid, 1246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1242 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:41:33,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3165 Valid, 9461 Invalid, 1246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1242 Invalid, 2 Unknown, 0 Unchecked, 10.0s Time] [2022-11-25 22:41:33,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8512 states. [2022-11-25 22:41:34,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8512 to 8504. [2022-11-25 22:41:34,989 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) [2022-11-25 22:41:35,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8504 states to 8504 states and 11540 transitions. [2022-11-25 22:41:35,013 INFO L78 Accepts]: Start accepts. Automaton has 8504 states and 11540 transitions. Word has length 242 [2022-11-25 22:41:35,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:41:35,013 INFO L495 AbstractCegarLoop]: Abstraction has 8504 states and 11540 transitions. [2022-11-25 22:41:35,014 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) [2022-11-25 22:41:35,014 INFO L276 IsEmpty]: Start isEmpty. Operand 8504 states and 11540 transitions. [2022-11-25 22:41:35,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-11-25 22:41:35,018 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:41:35,018 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] [2022-11-25 22:41:35,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-11-25 22:41:35,018 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)] === [2022-11-25 22:41:35,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:41:35,019 INFO L85 PathProgramCache]: Analyzing trace with hash -417762948, now seen corresponding path program 1 times [2022-11-25 22:41:35,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:41:35,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194828712] [2022-11-25 22:41:35,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:41:35,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:41:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:41:36,063 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2022-11-25 22:41:36,063 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:41:36,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194828712] [2022-11-25 22:41:36,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194828712] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:41:36,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:41:36,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:41:36,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265918824] [2022-11-25 22:41:36,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:41:36,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:41:36,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:41:36,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:41:36,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:41:36,065 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) [2022-11-25 22:41:39,461 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 [] [2022-11-25 22:41:47,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:41:47,912 INFO L93 Difference]: Finished difference Result 15906 states and 21411 transitions. [2022-11-25 22:41:47,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 22:41:47,913 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 [2022-11-25 22:41:47,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:41:47,955 INFO L225 Difference]: With dead ends: 15906 [2022-11-25 22:41:47,955 INFO L226 Difference]: Without dead ends: 15904 [2022-11-25 22:41:47,961 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 [2022-11-25 22:41:47,962 INFO L413 NwaCegarLoop]: 4062 mSDtfsCounter, 2781 mSDsluCounter, 10920 mSDsCounter, 0 mSdLazyCounter, 1748 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2784 SdHoareTripleChecker+Valid, 14982 SdHoareTripleChecker+Invalid, 1752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1748 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:41:47,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2784 Valid, 14982 Invalid, 1752 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1748 Invalid, 1 Unknown, 0 Unchecked, 9.2s Time] [2022-11-25 22:41:47,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15904 states. [2022-11-25 22:41:50,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15904 to 15651. [2022-11-25 22:41:50,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15651 states, 8993 states have (on average 1.2517513621705771) internal successors, (11257), 9397 states have internal predecessors, (11257), 4778 states have call successors, (4778), 1871 states have call predecessors, (4778), 1871 states have return successors, (5091), 4683 states have call predecessors, (5091), 4774 states have call successors, (5091) [2022-11-25 22:41:50,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15651 states to 15651 states and 21126 transitions. [2022-11-25 22:41:50,118 INFO L78 Accepts]: Start accepts. Automaton has 15651 states and 21126 transitions. Word has length 233 [2022-11-25 22:41:50,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:41:50,118 INFO L495 AbstractCegarLoop]: Abstraction has 15651 states and 21126 transitions. [2022-11-25 22:41:50,118 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) [2022-11-25 22:41:50,119 INFO L276 IsEmpty]: Start isEmpty. Operand 15651 states and 21126 transitions. [2022-11-25 22:41:50,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2022-11-25 22:41:50,122 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:41:50,123 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] [2022-11-25 22:41:50,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-11-25 22:41:50,123 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)] === [2022-11-25 22:41:50,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:41:50,124 INFO L85 PathProgramCache]: Analyzing trace with hash 306818675, now seen corresponding path program 1 times [2022-11-25 22:41:50,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:41:50,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190510557] [2022-11-25 22:41:50,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:41:50,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:41:50,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:41:51,478 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 391 trivial. 0 not checked. [2022-11-25 22:41:51,479 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:41:51,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190510557] [2022-11-25 22:41:51,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190510557] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:41:51,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:41:51,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:41:51,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854199033] [2022-11-25 22:41:51,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:41:51,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:41:51,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:41:51,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:41:51,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:41:51,482 INFO L87 Difference]: Start difference. First operand 15651 states and 21126 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) [2022-11-25 22:41:59,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:42:02,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:42:02,166 INFO L93 Difference]: Finished difference Result 15659 states and 21130 transitions. [2022-11-25 22:42:02,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:42:02,166 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 [2022-11-25 22:42:02,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:42:02,205 INFO L225 Difference]: With dead ends: 15659 [2022-11-25 22:42:02,205 INFO L226 Difference]: Without dead ends: 15657 [2022-11-25 22:42:02,209 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 [2022-11-25 22:42:02,210 INFO L413 NwaCegarLoop]: 2997 mSDtfsCounter, 293 mSDsluCounter, 8845 mSDsCounter, 0 mSdLazyCounter, 1589 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s 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, 8.3s IncrementalHoareTripleChecker+Time [2022-11-25 22:42:02,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 11842 Invalid, 1589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1589 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2022-11-25 22:42:02,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15657 states. [2022-11-25 22:42:04,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15657 to 15651. [2022-11-25 22:42:04,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15651 states, 8993 states have (on average 1.2510841765817857) internal successors, (11251), 9397 states have internal predecessors, (11251), 4778 states have call successors, (4778), 1871 states have call predecessors, (4778), 1871 states have return successors, (5091), 4683 states have call predecessors, (5091), 4774 states have call successors, (5091) [2022-11-25 22:42:04,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15651 states to 15651 states and 21120 transitions. [2022-11-25 22:42:04,448 INFO L78 Accepts]: Start accepts. Automaton has 15651 states and 21120 transitions. Word has length 254 [2022-11-25 22:42:04,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:42:04,449 INFO L495 AbstractCegarLoop]: Abstraction has 15651 states and 21120 transitions. [2022-11-25 22:42:04,449 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) [2022-11-25 22:42:04,449 INFO L276 IsEmpty]: Start isEmpty. Operand 15651 states and 21120 transitions. [2022-11-25 22:42:04,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-11-25 22:42:04,454 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:42:04,455 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] [2022-11-25 22:42:04,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-11-25 22:42:04,455 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)] === [2022-11-25 22:42:04,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:42:04,456 INFO L85 PathProgramCache]: Analyzing trace with hash 423280225, now seen corresponding path program 1 times [2022-11-25 22:42:04,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:42:04,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149455308] [2022-11-25 22:42:04,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:42:04,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:42:04,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:42:05,259 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 744 trivial. 0 not checked. [2022-11-25 22:42:05,260 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:42:05,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149455308] [2022-11-25 22:42:05,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149455308] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:42:05,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:42:05,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:42:05,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144889314] [2022-11-25 22:42:05,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:42:05,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:42:05,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:42:05,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:42:05,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:42:05,262 INFO L87 Difference]: Start difference. First operand 15651 states and 21120 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) [2022-11-25 22:42:11,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:42:13,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:42:17,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:42:17,413 INFO L93 Difference]: Finished difference Result 15653 states and 21121 transitions. [2022-11-25 22:42:17,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:42:17,414 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 [2022-11-25 22:42:17,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:42:17,454 INFO L225 Difference]: With dead ends: 15653 [2022-11-25 22:42:17,454 INFO L226 Difference]: Without dead ends: 15651 [2022-11-25 22:42:17,458 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 [2022-11-25 22:42:17,459 INFO L413 NwaCegarLoop]: 2907 mSDtfsCounter, 26 mSDsluCounter, 8689 mSDsCounter, 0 mSdLazyCounter, 1543 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s 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, 9.6s IncrementalHoareTripleChecker+Time [2022-11-25 22:42:17,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 11596 Invalid, 1544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1543 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2022-11-25 22:42:17,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15651 states. [2022-11-25 22:42:19,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15651 to 15651. [2022-11-25 22:42:19,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15651 states, 8993 states have (on average 1.2504169909929945) internal successors, (11245), 9397 states have internal predecessors, (11245), 4778 states have call successors, (4778), 1871 states have call predecessors, (4778), 1871 states have return successors, (5091), 4683 states have call predecessors, (5091), 4774 states have call successors, (5091) [2022-11-25 22:42:19,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15651 states to 15651 states and 21114 transitions. [2022-11-25 22:42:19,623 INFO L78 Accepts]: Start accepts. Automaton has 15651 states and 21114 transitions. Word has length 246 [2022-11-25 22:42:19,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:42:19,623 INFO L495 AbstractCegarLoop]: Abstraction has 15651 states and 21114 transitions. [2022-11-25 22:42:19,623 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) [2022-11-25 22:42:19,623 INFO L276 IsEmpty]: Start isEmpty. Operand 15651 states and 21114 transitions. [2022-11-25 22:42:19,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-11-25 22:42:19,626 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:42:19,626 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, 1, 1, 1, 1, 1, 1] [2022-11-25 22:42:19,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-11-25 22:42:19,627 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)] === [2022-11-25 22:42:19,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:42:19,627 INFO L85 PathProgramCache]: Analyzing trace with hash 134117282, now seen corresponding path program 1 times [2022-11-25 22:42:19,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:42:19,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775288724] [2022-11-25 22:42:19,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:42:19,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:42:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:42:20,889 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2022-11-25 22:42:20,889 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:42:20,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775288724] [2022-11-25 22:42:20,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775288724] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:42:20,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:42:20,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:42:20,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029423317] [2022-11-25 22:42:20,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:42:20,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:42:20,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:42:20,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:42:20,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:42:20,892 INFO L87 Difference]: Start difference. First operand 15651 states and 21114 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 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) [2022-11-25 22:42:30,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:42:36,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:42:38,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:42:40,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:42:40,322 INFO L93 Difference]: Finished difference Result 21507 states and 28811 transitions. [2022-11-25 22:42:40,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:42:40,322 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 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 251 [2022-11-25 22:42:40,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:42:40,376 INFO L225 Difference]: With dead ends: 21507 [2022-11-25 22:42:40,376 INFO L226 Difference]: Without dead ends: 21505 [2022-11-25 22:42:40,382 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 [2022-11-25 22:42:40,383 INFO L413 NwaCegarLoop]: 4274 mSDtfsCounter, 2232 mSDsluCounter, 11106 mSDsCounter, 0 mSdLazyCounter, 2023 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2233 SdHoareTripleChecker+Valid, 15380 SdHoareTripleChecker+Invalid, 2023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2022-11-25 22:42:40,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2233 Valid, 15380 Invalid, 2023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2023 Invalid, 0 Unknown, 0 Unchecked, 15.9s Time] [2022-11-25 22:42:40,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21505 states. [2022-11-25 22:42:43,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21505 to 21489. [2022-11-25 22:42:43,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21489 states, 12322 states have (on average 1.2467131959097548) internal successors, (15362), 12877 states have internal predecessors, (15362), 6500 states have call successors, (6500), 2661 states have call predecessors, (6500), 2658 states have return successors, (6929), 6374 states have call predecessors, (6929), 6496 states have call successors, (6929) [2022-11-25 22:42:43,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21489 states to 21489 states and 28791 transitions. [2022-11-25 22:42:43,333 INFO L78 Accepts]: Start accepts. Automaton has 21489 states and 28791 transitions. Word has length 251 [2022-11-25 22:42:43,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:42:43,334 INFO L495 AbstractCegarLoop]: Abstraction has 21489 states and 28791 transitions. [2022-11-25 22:42:43,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 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) [2022-11-25 22:42:43,334 INFO L276 IsEmpty]: Start isEmpty. Operand 21489 states and 28791 transitions. [2022-11-25 22:42:43,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2022-11-25 22:42:43,337 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:42:43,337 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] [2022-11-25 22:42:43,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-11-25 22:42:43,337 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)] === [2022-11-25 22:42:43,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:42:43,338 INFO L85 PathProgramCache]: Analyzing trace with hash -2069646455, now seen corresponding path program 1 times [2022-11-25 22:42:43,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:42:43,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079087545] [2022-11-25 22:42:43,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:42:43,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:42:43,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:42:44,351 INFO L134 CoverageAnalysis]: Checked inductivity of 1061 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1061 trivial. 0 not checked. [2022-11-25 22:42:44,351 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:42:44,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079087545] [2022-11-25 22:42:44,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079087545] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:42:44,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:42:44,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:42:44,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028532878] [2022-11-25 22:42:44,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:42:44,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:42:44,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:42:44,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:42:44,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:42:44,355 INFO L87 Difference]: Start difference. First operand 21489 states and 28791 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) [2022-11-25 22:42:48,139 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 [] [2022-11-25 22:42:59,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:42:59,239 INFO L93 Difference]: Finished difference Result 30750 states and 40914 transitions. [2022-11-25 22:42:59,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 22:42:59,240 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 [2022-11-25 22:42:59,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:42:59,340 INFO L225 Difference]: With dead ends: 30750 [2022-11-25 22:42:59,340 INFO L226 Difference]: Without dead ends: 30748 [2022-11-25 22:42:59,350 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 [2022-11-25 22:42:59,350 INFO L413 NwaCegarLoop]: 4000 mSDtfsCounter, 3070 mSDsluCounter, 10803 mSDsCounter, 0 mSdLazyCounter, 1686 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3073 SdHoareTripleChecker+Valid, 14803 SdHoareTripleChecker+Invalid, 1690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1686 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2022-11-25 22:42:59,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3073 Valid, 14803 Invalid, 1690 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1686 Invalid, 1 Unknown, 0 Unchecked, 9.4s Time] [2022-11-25 22:42:59,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30748 states. [2022-11-25 22:43:04,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30748 to 30494. [2022-11-25 22:43:04,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30494 states, 17495 states have (on average 1.2464132609316947) internal successors, (21806), 18270 states have internal predecessors, (21806), 9111 states have call successors, (9111), 3894 states have call predecessors, (9111), 3879 states have return successors, (9707), 8901 states have call predecessors, (9707), 9107 states have call successors, (9707) [2022-11-25 22:43:04,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30494 states to 30494 states and 40624 transitions. [2022-11-25 22:43:04,550 INFO L78 Accepts]: Start accepts. Automaton has 30494 states and 40624 transitions. Word has length 271 [2022-11-25 22:43:04,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:43:04,551 INFO L495 AbstractCegarLoop]: Abstraction has 30494 states and 40624 transitions. [2022-11-25 22:43:04,551 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) [2022-11-25 22:43:04,551 INFO L276 IsEmpty]: Start isEmpty. Operand 30494 states and 40624 transitions. [2022-11-25 22:43:04,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2022-11-25 22:43:04,555 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:43:04,556 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] [2022-11-25 22:43:04,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-11-25 22:43:04,556 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)] === [2022-11-25 22:43:04,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:43:04,556 INFO L85 PathProgramCache]: Analyzing trace with hash 567566690, now seen corresponding path program 1 times [2022-11-25 22:43:04,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:43:04,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912994774] [2022-11-25 22:43:04,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:43:04,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:43:04,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:43:04,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1083 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1083 trivial. 0 not checked. [2022-11-25 22:43:04,989 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:43:04,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912994774] [2022-11-25 22:43:04,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912994774] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:43:04,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:43:04,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:43:04,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99877048] [2022-11-25 22:43:04,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:43:04,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:43:04,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:43:04,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:43:04,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:43:04,991 INFO L87 Difference]: Start difference. First operand 30494 states and 40624 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) [2022-11-25 22:43:14,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:43:14,874 INFO L93 Difference]: Finished difference Result 50388 states and 67124 transitions. [2022-11-25 22:43:14,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:43:14,874 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 [2022-11-25 22:43:14,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:43:15,009 INFO L225 Difference]: With dead ends: 50388 [2022-11-25 22:43:15,009 INFO L226 Difference]: Without dead ends: 31706 [2022-11-25 22:43:15,065 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 [2022-11-25 22:43:15,065 INFO L413 NwaCegarLoop]: 3129 mSDtfsCounter, 135 mSDsluCounter, 2942 mSDsCounter, 0 mSdLazyCounter, 794 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 6071 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-11-25 22:43:15,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 6071 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 794 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-11-25 22:43:15,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31706 states. [2022-11-25 22:43:20,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31706 to 30560. [2022-11-25 22:43:20,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30560 states, 17555 states have (on average 1.2469381942466533) internal successors, (21890), 18330 states have internal predecessors, (21890), 9117 states have call successors, (9117), 3894 states have call predecessors, (9117), 3879 states have return successors, (9713), 8907 states have call predecessors, (9713), 9113 states have call successors, (9713) [2022-11-25 22:43:20,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30560 states to 30560 states and 40720 transitions. [2022-11-25 22:43:20,959 INFO L78 Accepts]: Start accepts. Automaton has 30560 states and 40720 transitions. Word has length 286 [2022-11-25 22:43:20,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:43:20,959 INFO L495 AbstractCegarLoop]: Abstraction has 30560 states and 40720 transitions. [2022-11-25 22:43:20,959 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) [2022-11-25 22:43:20,959 INFO L276 IsEmpty]: Start isEmpty. Operand 30560 states and 40720 transitions. [2022-11-25 22:43:20,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2022-11-25 22:43:20,965 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:43:20,966 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] [2022-11-25 22:43:20,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-11-25 22:43:20,966 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)] === [2022-11-25 22:43:20,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:43:20,966 INFO L85 PathProgramCache]: Analyzing trace with hash 953377163, now seen corresponding path program 1 times [2022-11-25 22:43:20,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:43:20,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610240051] [2022-11-25 22:43:20,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:43:20,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:43:21,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:43:22,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1085 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2022-11-25 22:43:22,866 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:43:22,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610240051] [2022-11-25 22:43:22,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610240051] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:43:22,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:43:22,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 22:43:22,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219919742] [2022-11-25 22:43:22,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:43:22,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 22:43:22,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:43:22,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 22:43:22,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:43:22,868 INFO L87 Difference]: Start difference. First operand 30560 states and 40720 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) [2022-11-25 22:43:28,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:43:30,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:43:32,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:43:40,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:43:41,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:43:43,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:43:49,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:43:49,820 INFO L93 Difference]: Finished difference Result 31569 states and 42267 transitions. [2022-11-25 22:43:49,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 22:43:49,820 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 [2022-11-25 22:43:49,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:43:49,949 INFO L225 Difference]: With dead ends: 31569 [2022-11-25 22:43:49,949 INFO L226 Difference]: Without dead ends: 31567 [2022-11-25 22:43:49,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-25 22:43:49,964 INFO L413 NwaCegarLoop]: 3157 mSDtfsCounter, 260 mSDsluCounter, 15159 mSDsCounter, 0 mSdLazyCounter, 2814 mSolverCounterSat, 53 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 18316 SdHoareTripleChecker+Invalid, 2870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 2814 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.7s IncrementalHoareTripleChecker+Time [2022-11-25 22:43:49,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 18316 Invalid, 2870 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [53 Valid, 2814 Invalid, 3 Unknown, 0 Unchecked, 21.7s Time] [2022-11-25 22:43:49,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31567 states. [2022-11-25 22:43:54,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31567 to 30998. [2022-11-25 22:43:54,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30998 states, 17849 states have (on average 1.249257661493641) internal successors, (22298), 18654 states have internal predecessors, (22298), 9219 states have call successors, (9219), 3942 states have call predecessors, (9219), 3921 states have return successors, (9815), 8973 states have call predecessors, (9815), 9215 states have call successors, (9815) [2022-11-25 22:43:54,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30998 states to 30998 states and 41332 transitions. [2022-11-25 22:43:54,562 INFO L78 Accepts]: Start accepts. Automaton has 30998 states and 41332 transitions. Word has length 300 [2022-11-25 22:43:54,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:43:54,563 INFO L495 AbstractCegarLoop]: Abstraction has 30998 states and 41332 transitions. [2022-11-25 22:43:54,563 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) [2022-11-25 22:43:54,563 INFO L276 IsEmpty]: Start isEmpty. Operand 30998 states and 41332 transitions. [2022-11-25 22:43:54,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2022-11-25 22:43:54,575 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:43:54,575 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] [2022-11-25 22:43:54,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-11-25 22:43:54,576 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)] === [2022-11-25 22:43:54,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:43:54,576 INFO L85 PathProgramCache]: Analyzing trace with hash -618234197, now seen corresponding path program 1 times [2022-11-25 22:43:54,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:43:54,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248684197] [2022-11-25 22:43:54,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:43:54,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms