./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--block--rsxx--rsxx.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 017a921c8c43c4a2a11daf67a2d7f6c852b9597686d5b2eb3df4edf6699bf55b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 15:18:40,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:18:40,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:18:40,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:18:40,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:18:40,168 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:18:40,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:18:40,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:18:40,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:18:40,174 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:18:40,175 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:18:40,176 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:18:40,176 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:18:40,177 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:18:40,178 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:18:40,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:18:40,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:18:40,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:18:40,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:18:40,185 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:18:40,187 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:18:40,188 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:18:40,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:18:40,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:18:40,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:18:40,194 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:18:40,195 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:18:40,196 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:18:40,196 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:18:40,197 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:18:40,197 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:18:40,198 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:18:40,199 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:18:40,199 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:18:40,200 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:18:40,201 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:18:40,201 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:18:40,201 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:18:40,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:18:40,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:18:40,202 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:18:40,203 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 15:18:40,225 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:18:40,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:18:40,225 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:18:40,225 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:18:40,226 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:18:40,226 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:18:40,226 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:18:40,227 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:18:40,227 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:18:40,227 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 15:18:40,227 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:18:40,227 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:18:40,227 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 15:18:40,228 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 15:18:40,228 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:18:40,228 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 15:18:40,228 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 15:18:40,228 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 15:18:40,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:18:40,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 15:18:40,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:18:40,229 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 15:18:40,229 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:18:40,230 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 15:18:40,230 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 15:18:40,230 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:18:40,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 15:18:40,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:18:40,230 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:18:40,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:18:40,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:18:40,231 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 15:18:40,231 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:18:40,231 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 15:18:40,231 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 15:18:40,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 15:18:40,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 15:18:40,232 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:18:40,232 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_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 017a921c8c43c4a2a11daf67a2d7f6c852b9597686d5b2eb3df4edf6699bf55b [2022-12-14 15:18:40,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:18:40,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:18:40,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:18:40,441 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:18:40,442 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:18:40,443 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i [2022-12-14 15:18:43,026 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:18:43,399 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:18:43,399 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i [2022-12-14 15:18:43,428 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/data/f817d3a55/75ec8f6b13864ee49d404221a536c2eb/FLAG240078948 [2022-12-14 15:18:43,442 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/data/f817d3a55/75ec8f6b13864ee49d404221a536c2eb [2022-12-14 15:18:43,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:18:43,446 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:18:43,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:18:43,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:18:43,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:18:43,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:18:43" (1/1) ... [2022-12-14 15:18:43,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e8fee82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:18:43, skipping insertion in model container [2022-12-14 15:18:43,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:18:43" (1/1) ... [2022-12-14 15:18:43,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:18:43,659 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:18:44,206 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-14 15:18:44,249 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:44,255 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:44,257 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:44,257 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:18:44,258 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:44,259 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:18:44,264 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:18:44,267 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:18:44,269 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:18:44,271 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:18:44,273 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:18:44,276 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:18:44,278 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:18:44,280 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:18:44,282 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:18:44,667 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 15:18:44,685 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-12-14 15:18:44,693 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-14 15:18:44,702 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 15:18:44,720 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-12-14 15:18:44,728 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-14 15:18:44,737 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 15:18:44,759 WARN L623 FunctionHandler]: Unknown extern function ida_get_new_above [2022-12-14 15:18:44,791 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 15:18:44,864 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-12-14 15:18:44,916 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msi_range [2022-12-14 15:18:44,944 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 15:18:44,945 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 15:18:44,957 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 15:18:44,990 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:18:44,991 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 15:18:44,991 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 15:18:44,991 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-14 15:18:44,996 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:18:44,996 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 15:18:44,997 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 15:18:44,997 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-14 15:18:45,006 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 15:18:45,031 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:18:45,156 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:45,156 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:45,156 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:45,156 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:45,157 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:45,157 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:45,157 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:45,157 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:45,158 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:45,158 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:45,158 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:45,158 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:45,159 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:45,159 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:45,159 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:45,159 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:45,159 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:45,160 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:45,160 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:45,160 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:45,161 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:45,161 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:45,161 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:45,161 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:45,162 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:45,162 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:45,162 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:45,162 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:45,162 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:45,163 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:45,163 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:45,163 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:45,163 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:45,164 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:45,164 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:45,164 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:45,164 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:45,165 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:45,165 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:45,165 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:45,165 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:45,166 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:45,166 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:45,166 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:45,166 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:45,166 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:45,167 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:45,167 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:45,167 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:45,167 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:45,168 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:45,168 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:45,168 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:45,168 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:45,173 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:45,174 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:45,174 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:45,175 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:45,175 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:45,176 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:45,176 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:45,176 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:45,177 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:45,177 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:45,177 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:45,178 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:45,178 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:45,178 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:45,179 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:45,184 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-14 15:18:45,189 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-14 15:18:45,194 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:18:45,200 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:18:45,205 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-12-14 15:18:45,206 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-12-14 15:18:45,207 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-12-14 15:18:45,207 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-12-14 15:18:45,208 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-12-14 15:18:45,208 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-12-14 15:18:45,208 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-12-14 15:18:45,223 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:18:45,223 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:18:45,225 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:18:45,225 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:18:45,231 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:45,231 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:18:45,244 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:18:45,245 WARN L623 FunctionHandler]: Unknown extern function dev_crit [2022-12-14 15:18:45,246 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:45,246 WARN L623 FunctionHandler]: Unknown extern function dev_crit [2022-12-14 15:18:45,252 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:18:45,257 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 15:18:45,263 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 15:18:45,263 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 15:18:45,270 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:45,271 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:18:45,276 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:45,276 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 15:18:45,281 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:45,286 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 15:18:45,286 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 15:18:45,286 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 15:18:45,287 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:45,289 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:18:45,299 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:18:45,300 WARN L623 FunctionHandler]: Unknown extern function ida_pre_get [2022-12-14 15:18:45,301 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 15:18:45,301 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 15:18:45,301 WARN L623 FunctionHandler]: Unknown extern function pci_set_dma_max_seg_size [2022-12-14 15:18:45,302 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:45,302 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 15:18:45,302 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:45,303 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:45,303 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-14 15:18:45,304 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:45,304 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 15:18:45,305 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 15:18:45,306 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:45,306 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:45,306 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 15:18:45,307 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:45,307 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:18:45,308 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:18:45,308 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-14 15:18:45,309 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:45,309 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 15:18:45,309 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 15:18:45,310 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:18:45,310 WARN L623 FunctionHandler]: Unknown extern function dev_crit [2022-12-14 15:18:45,311 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:18:45,311 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 15:18:45,312 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:18:45,313 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 15:18:45,313 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 15:18:45,314 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-14 15:18:45,314 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 15:18:45,314 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 15:18:45,314 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 15:18:45,314 WARN L623 FunctionHandler]: Unknown extern function ida_remove [2022-12-14 15:18:45,314 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:18:45,319 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:18:45,320 WARN L623 FunctionHandler]: Unknown extern function dev_crit [2022-12-14 15:18:45,321 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 15:18:45,321 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove_recursive [2022-12-14 15:18:45,321 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-14 15:18:45,321 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 15:18:45,322 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 15:18:45,322 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 15:18:45,322 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:18:45,331 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:18:45,558 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 15:18:45,558 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 15:18:45,559 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 15:18:45,559 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 15:18:45,560 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-14 15:18:45,560 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-14 15:18:45,572 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 15:18:45,572 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 15:18:45,574 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 15:18:45,574 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 15:18:45,574 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 15:18:45,574 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 15:18:45,574 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 15:18:45,575 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 15:18:45,575 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 15:18:45,575 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 15:18:45,576 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 15:18:45,597 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 15:18:45,600 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 15:18:45,720 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-14 15:18:45,720 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:18:45,725 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-14 15:18:45,725 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:45,729 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:18:45,729 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:18:45,730 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:18:45,734 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 15:18:45,735 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 15:18:45,745 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 15:18:45,746 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-12-14 15:18:45,751 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:45,751 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:45,751 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:45,752 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:45,752 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:45,752 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:45,753 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-12-14 15:18:45,758 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 15:18:45,758 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 15:18:45,759 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-12-14 15:18:45,759 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-12-14 15:18:45,764 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 15:18:45,769 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 15:18:45,770 WARN L623 FunctionHandler]: Unknown extern function dev_crit [2022-12-14 15:18:45,770 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:45,770 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 15:18:45,782 WARN L623 FunctionHandler]: Unknown extern function dev_emerg [2022-12-14 15:18:45,782 WARN L623 FunctionHandler]: Unknown extern function dev_alert [2022-12-14 15:18:45,783 WARN L623 FunctionHandler]: Unknown extern function dev_crit [2022-12-14 15:18:45,783 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:45,783 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 15:18:45,783 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-12-14 15:18:45,783 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:18:45,784 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:18:45,785 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:18:45,795 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:45,801 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:18:45,803 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-14 15:18:45,803 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 15:18:45,804 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 15:18:45,804 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 15:18:45,804 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 15:18:45,804 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 15:18:45,805 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 15:18:45,806 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-12-14 15:18:45,806 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:18:45,807 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:18:45,807 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-12-14 15:18:45,807 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 15:18:45,807 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_create [2022-12-14 15:18:45,808 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_destroy [2022-12-14 15:18:45,833 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 15:18:45,834 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 15:18:45,835 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 15:18:45,835 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 15:18:45,835 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 15:18:45,835 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-12-14 15:18:45,836 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 15:18:45,836 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 15:18:46,008 WARN L623 FunctionHandler]: Unknown extern function generic_start_io_acct [2022-12-14 15:18:46,012 WARN L623 FunctionHandler]: Unknown extern function generic_end_io_acct [2022-12-14 15:18:46,017 WARN L623 FunctionHandler]: Unknown extern function bio_endio [2022-12-14 15:18:46,018 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-12-14 15:18:46,022 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 15:18:46,023 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:46,024 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:18:46,025 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-12-14 15:18:46,025 WARN L623 FunctionHandler]: Unknown extern function bio_endio [2022-12-14 15:18:46,030 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 15:18:46,031 WARN L623 FunctionHandler]: Unknown extern function register_blkdev [2022-12-14 15:18:46,031 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:46,031 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:46,031 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-12-14 15:18:46,032 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:46,032 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-12-14 15:18:46,033 WARN L623 FunctionHandler]: Unknown extern function blk_queue_dma_alignment [2022-12-14 15:18:46,033 WARN L623 FunctionHandler]: Unknown extern function blk_queue_logical_block_size [2022-12-14 15:18:46,033 WARN L623 FunctionHandler]: Unknown extern function blk_queue_make_request [2022-12-14 15:18:46,033 WARN L623 FunctionHandler]: Unknown extern function blk_queue_bounce_limit [2022-12-14 15:18:46,033 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_hw_sectors [2022-12-14 15:18:46,033 WARN L623 FunctionHandler]: Unknown extern function blk_queue_physical_block_size [2022-12-14 15:18:46,034 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_discard_sectors [2022-12-14 15:18:46,036 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-12-14 15:18:46,037 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_create [2022-12-14 15:18:46,037 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_destroy [2022-12-14 15:18:46,038 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-12-14 15:18:46,039 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-12-14 15:18:46,039 WARN L623 FunctionHandler]: Unknown extern function blk_alloc_queue [2022-12-14 15:18:46,039 WARN L623 FunctionHandler]: Unknown extern function alloc_disk [2022-12-14 15:18:46,039 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-12-14 15:18:46,040 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-14 15:18:46,040 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-12-14 15:18:46,229 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 15:18:46,234 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 15:18:46,238 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-12-14 15:18:46,252 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 15:18:46,274 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 15:18:46,290 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:18:46,322 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:18:46,327 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-12-14 15:18:46,332 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 15:18:46,342 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:18:46,344 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:46,349 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:46,349 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 15:18:46,349 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:18:46,350 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 15:18:46,350 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 15:18:46,350 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:18:46,356 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 15:18:46,358 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:18:46,358 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 15:18:46,359 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:18:46,364 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:46,365 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:18:46,366 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 15:18:46,380 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:18:46,386 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:18:46,391 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:18:46,392 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:18:46,392 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:18:46,392 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:18:46,392 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:46,393 WARN L623 FunctionHandler]: Unknown extern function dev_crit [2022-12-14 15:18:46,393 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:18:46,393 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:18:46,393 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:46,393 WARN L623 FunctionHandler]: Unknown extern function dev_crit [2022-12-14 15:18:46,394 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:18:46,394 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:18:46,399 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 15:18:46,399 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 15:18:46,400 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 15:18:46,400 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 15:18:46,400 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-14 15:18:46,400 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-14 15:18:46,401 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 15:18:46,401 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 15:18:46,401 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 15:18:46,401 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 15:18:46,406 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:46,407 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:18:46,408 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:18:46,409 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:18:46,409 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:18:46,410 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:18:46,411 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:18:46,411 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:18:46,412 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 15:18:46,413 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 15:18:46,413 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 15:18:46,414 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 15:18:46,414 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 15:18:46,415 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 15:18:46,417 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:18:46,418 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_create [2022-12-14 15:18:46,418 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_destroy [2022-12-14 15:18:46,419 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 15:18:46,419 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 15:18:46,419 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 15:18:46,419 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 15:18:46,420 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 15:18:46,420 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 15:18:46,420 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 15:18:46,421 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 15:18:46,421 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 15:18:46,821 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 15:18:47,035 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:18:47,619 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[475253,475266] [2022-12-14 15:18:47,622 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[475398,475411] [2022-12-14 15:18:47,622 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[475544,475557] [2022-12-14 15:18:47,622 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[475709,475722] [2022-12-14 15:18:47,623 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[475867,475880] [2022-12-14 15:18:47,623 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[476025,476038] [2022-12-14 15:18:47,623 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[476183,476196] [2022-12-14 15:18:47,624 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[476343,476356] [2022-12-14 15:18:47,624 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[476502,476515] [2022-12-14 15:18:47,624 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[476641,476654] [2022-12-14 15:18:47,624 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[476783,476796] [2022-12-14 15:18:47,625 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[476932,476945] [2022-12-14 15:18:47,625 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[477071,477084] [2022-12-14 15:18:47,625 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[477226,477239] [2022-12-14 15:18:47,626 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[477386,477399] [2022-12-14 15:18:47,626 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[477537,477550] [2022-12-14 15:18:47,626 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[477688,477701] [2022-12-14 15:18:47,626 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[477840,477853] [2022-12-14 15:18:47,627 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[477989,478002] [2022-12-14 15:18:47,627 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[478137,478150] [2022-12-14 15:18:47,627 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[478294,478307] [2022-12-14 15:18:47,627 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[478443,478456] [2022-12-14 15:18:47,628 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[478599,478612] [2022-12-14 15:18:47,628 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[478752,478765] [2022-12-14 15:18:47,628 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[478898,478911] [2022-12-14 15:18:47,629 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[479041,479054] [2022-12-14 15:18:47,629 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[479193,479206] [2022-12-14 15:18:47,629 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[479339,479352] [2022-12-14 15:18:47,629 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[479484,479497] [2022-12-14 15:18:47,630 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[479638,479651] [2022-12-14 15:18:47,630 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[479789,479802] [2022-12-14 15:18:47,630 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[479944,479957] [2022-12-14 15:18:47,630 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[480096,480109] [2022-12-14 15:18:47,631 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[480251,480264] [2022-12-14 15:18:47,631 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[480415,480428] [2022-12-14 15:18:47,631 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[480571,480584] [2022-12-14 15:18:47,632 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[480735,480748] [2022-12-14 15:18:47,632 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[480877,480890] [2022-12-14 15:18:47,632 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[481035,481048] [2022-12-14 15:18:47,632 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[481202,481215] [2022-12-14 15:18:47,633 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[481361,481374] [2022-12-14 15:18:47,633 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[481520,481533] [2022-12-14 15:18:47,633 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[481669,481682] [2022-12-14 15:18:47,633 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[481816,481829] [2022-12-14 15:18:47,634 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[481955,481968] [2022-12-14 15:18:47,634 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[482118,482131] [2022-12-14 15:18:47,634 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[482284,482297] [2022-12-14 15:18:47,635 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[482448,482461] [2022-12-14 15:18:47,635 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[482613,482626] [2022-12-14 15:18:47,635 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[482778,482791] [2022-12-14 15:18:47,635 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[482944,482957] [2022-12-14 15:18:47,636 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[483109,483122] [2022-12-14 15:18:47,636 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[483276,483289] [2022-12-14 15:18:47,636 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[483436,483449] [2022-12-14 15:18:47,637 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[483598,483611] [2022-12-14 15:18:47,637 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[483757,483770] [2022-12-14 15:18:47,637 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[483903,483916] [2022-12-14 15:18:47,637 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[484046,484059] [2022-12-14 15:18:47,638 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[484190,484203] [2022-12-14 15:18:47,638 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[484333,484346] [2022-12-14 15:18:47,638 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[484477,484490] [2022-12-14 15:18:47,638 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[484618,484631] [2022-12-14 15:18:47,639 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[484756,484769] [2022-12-14 15:18:47,639 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[484914,484927] [2022-12-14 15:18:47,639 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[485073,485086] [2022-12-14 15:18:47,640 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[485229,485242] [2022-12-14 15:18:47,640 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[485378,485391] [2022-12-14 15:18:47,640 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[485530,485543] [2022-12-14 15:18:47,640 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[485681,485694] [2022-12-14 15:18:47,641 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[485830,485843] [2022-12-14 15:18:47,641 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[485982,485995] [2022-12-14 15:18:47,641 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[486130,486143] [2022-12-14 15:18:47,641 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[486283,486296] [2022-12-14 15:18:47,642 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[486434,486447] [2022-12-14 15:18:47,642 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[486584,486597] [2022-12-14 15:18:47,642 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[486731,486744] [2022-12-14 15:18:47,642 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[486882,486895] [2022-12-14 15:18:47,643 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[487033,487046] [2022-12-14 15:18:47,643 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[487181,487194] [2022-12-14 15:18:47,643 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[487347,487360] [2022-12-14 15:18:47,644 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[487516,487529] [2022-12-14 15:18:47,644 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[487683,487696] [2022-12-14 15:18:47,644 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[487851,487864] [2022-12-14 15:18:47,644 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[488001,488014] [2022-12-14 15:18:47,645 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[488148,488161] [2022-12-14 15:18:47,645 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[488309,488322] [2022-12-14 15:18:47,645 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[488479,488492] [2022-12-14 15:18:47,645 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[488641,488654] [2022-12-14 15:18:47,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:18:47,686 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 15:18:47,738 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-14 15:18:47,741 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:47,742 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:47,742 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:47,743 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:18:47,743 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:47,743 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:18:47,744 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:18:47,745 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:18:47,745 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:18:47,746 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:18:47,747 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:18:47,747 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:18:47,748 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:18:47,749 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:18:47,749 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:18:47,752 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 15:18:47,752 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-12-14 15:18:47,752 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-14 15:18:47,753 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 15:18:47,753 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-12-14 15:18:47,753 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-14 15:18:47,753 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 15:18:47,753 WARN L623 FunctionHandler]: Unknown extern function ida_get_new_above [2022-12-14 15:18:47,754 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 15:18:47,754 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-12-14 15:18:47,755 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msi_range [2022-12-14 15:18:47,757 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 15:18:47,757 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 15:18:47,758 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 15:18:47,759 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:18:47,759 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 15:18:47,759 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 15:18:47,759 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-14 15:18:47,760 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:18:47,760 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 15:18:47,760 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 15:18:47,760 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-14 15:18:47,760 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 15:18:47,761 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 15:18:47,763 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:47,763 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:47,763 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:47,763 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:47,763 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:47,763 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:47,763 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:47,764 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:47,764 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:47,764 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:47,764 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:47,764 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:47,764 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:47,764 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:47,765 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:47,765 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:47,765 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:47,765 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:47,765 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:47,765 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:47,765 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:47,765 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:47,766 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:47,779 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:47,779 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:47,779 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:47,780 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:47,780 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:47,780 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:47,780 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:47,780 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:47,781 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:47,781 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:47,781 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:47,781 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:47,781 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:47,781 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:47,782 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:47,782 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:47,782 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:47,782 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:47,782 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:47,782 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:47,782 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:47,782 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:47,783 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:47,783 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:47,783 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:47,783 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:47,783 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:47,783 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:47,783 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:47,783 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:47,784 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:47,784 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:47,784 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:47,784 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:47,785 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:47,785 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:47,785 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:47,785 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:47,785 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:47,786 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:47,786 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:47,786 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:47,786 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:47,786 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:47,786 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:47,787 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:18:47,787 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-14 15:18:47,788 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-14 15:18:47,788 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:18:47,789 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:18:47,790 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-12-14 15:18:47,791 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-12-14 15:18:47,791 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-12-14 15:18:47,791 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-12-14 15:18:47,792 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-12-14 15:18:47,792 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-12-14 15:18:47,792 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-12-14 15:18:47,793 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:18:47,793 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:18:47,794 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:18:47,794 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:18:47,795 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:47,795 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:18:47,797 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:18:47,798 WARN L623 FunctionHandler]: Unknown extern function dev_crit [2022-12-14 15:18:47,798 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:47,799 WARN L623 FunctionHandler]: Unknown extern function dev_crit [2022-12-14 15:18:47,801 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:18:47,801 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 15:18:47,802 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 15:18:47,802 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 15:18:47,804 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:47,804 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:18:47,805 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:47,805 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 15:18:47,806 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:47,806 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 15:18:47,806 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 15:18:47,806 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 15:18:47,807 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:47,808 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:18:47,809 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:18:47,810 WARN L623 FunctionHandler]: Unknown extern function ida_pre_get [2022-12-14 15:18:47,810 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 15:18:47,810 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 15:18:47,810 WARN L623 FunctionHandler]: Unknown extern function pci_set_dma_max_seg_size [2022-12-14 15:18:47,810 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:47,811 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 15:18:47,811 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:47,811 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:47,812 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-14 15:18:47,812 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:47,812 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 15:18:47,812 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 15:18:47,813 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:47,813 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:47,813 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 15:18:47,814 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:47,814 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:18:47,814 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:18:47,814 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-14 15:18:47,815 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:47,815 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 15:18:47,815 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 15:18:47,816 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:18:47,816 WARN L623 FunctionHandler]: Unknown extern function dev_crit [2022-12-14 15:18:47,816 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:18:47,816 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 15:18:47,817 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:18:47,817 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 15:18:47,817 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 15:18:47,818 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-14 15:18:47,818 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 15:18:47,818 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 15:18:47,818 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 15:18:47,818 WARN L623 FunctionHandler]: Unknown extern function ida_remove [2022-12-14 15:18:47,818 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:18:47,819 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:18:47,819 WARN L623 FunctionHandler]: Unknown extern function dev_crit [2022-12-14 15:18:47,820 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 15:18:47,820 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove_recursive [2022-12-14 15:18:47,820 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-14 15:18:47,820 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 15:18:47,820 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 15:18:47,820 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 15:18:47,820 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:18:47,821 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:18:47,831 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 15:18:47,831 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 15:18:47,831 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 15:18:47,832 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 15:18:47,832 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-14 15:18:47,832 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-14 15:18:47,838 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 15:18:47,839 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 15:18:47,839 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 15:18:47,840 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 15:18:47,840 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 15:18:47,840 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 15:18:47,840 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 15:18:47,840 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 15:18:47,840 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 15:18:47,841 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 15:18:47,841 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 15:18:47,841 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 15:18:47,841 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 15:18:47,843 WARN L623 FunctionHandler]: Unknown extern function iowrite32be [2022-12-14 15:18:47,843 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:18:47,844 WARN L623 FunctionHandler]: Unknown extern function ioread32be [2022-12-14 15:18:47,844 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:47,844 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:18:47,845 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:18:47,845 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:18:47,846 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 15:18:47,846 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 15:18:47,851 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 15:18:47,852 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-12-14 15:18:47,855 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:47,855 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:47,855 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:47,856 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:47,856 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:47,856 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:47,858 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-12-14 15:18:47,858 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 15:18:47,859 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 15:18:47,861 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-12-14 15:18:47,864 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-12-14 15:18:47,865 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 15:18:47,867 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 15:18:47,867 WARN L623 FunctionHandler]: Unknown extern function dev_crit [2022-12-14 15:18:47,868 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:47,868 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 15:18:47,870 WARN L623 FunctionHandler]: Unknown extern function dev_emerg [2022-12-14 15:18:47,871 WARN L623 FunctionHandler]: Unknown extern function dev_alert [2022-12-14 15:18:47,871 WARN L623 FunctionHandler]: Unknown extern function dev_crit [2022-12-14 15:18:47,871 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:47,871 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 15:18:47,871 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-12-14 15:18:47,871 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:18:47,872 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:18:47,872 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:18:47,874 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:47,875 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:18:47,879 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-14 15:18:47,879 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 15:18:47,880 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 15:18:47,880 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 15:18:47,880 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 15:18:47,880 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 15:18:47,881 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 15:18:47,882 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-12-14 15:18:47,882 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:18:47,885 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:18:47,886 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-12-14 15:18:47,886 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 15:18:47,886 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_create [2022-12-14 15:18:47,886 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_destroy [2022-12-14 15:18:47,887 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 15:18:47,887 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 15:18:47,888 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 15:18:47,888 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 15:18:47,888 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 15:18:47,888 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-12-14 15:18:47,889 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 15:18:47,889 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 15:18:47,891 WARN L623 FunctionHandler]: Unknown extern function generic_start_io_acct [2022-12-14 15:18:47,892 WARN L623 FunctionHandler]: Unknown extern function generic_end_io_acct [2022-12-14 15:18:47,893 WARN L623 FunctionHandler]: Unknown extern function bio_endio [2022-12-14 15:18:47,894 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-12-14 15:18:47,903 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 15:18:47,904 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:47,905 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:18:47,906 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-12-14 15:18:47,906 WARN L623 FunctionHandler]: Unknown extern function bio_endio [2022-12-14 15:18:47,909 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 15:18:47,909 WARN L623 FunctionHandler]: Unknown extern function register_blkdev [2022-12-14 15:18:47,910 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:47,911 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:47,911 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-12-14 15:18:47,912 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:47,913 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-12-14 15:18:47,914 WARN L623 FunctionHandler]: Unknown extern function blk_queue_dma_alignment [2022-12-14 15:18:47,915 WARN L623 FunctionHandler]: Unknown extern function blk_queue_logical_block_size [2022-12-14 15:18:47,916 WARN L623 FunctionHandler]: Unknown extern function blk_queue_make_request [2022-12-14 15:18:47,918 WARN L623 FunctionHandler]: Unknown extern function blk_queue_bounce_limit [2022-12-14 15:18:47,920 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_hw_sectors [2022-12-14 15:18:47,921 WARN L623 FunctionHandler]: Unknown extern function blk_queue_physical_block_size [2022-12-14 15:18:47,925 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_discard_sectors [2022-12-14 15:18:47,931 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-12-14 15:18:47,932 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_create [2022-12-14 15:18:47,932 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_destroy [2022-12-14 15:18:47,933 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-12-14 15:18:47,933 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-12-14 15:18:47,933 WARN L623 FunctionHandler]: Unknown extern function blk_alloc_queue [2022-12-14 15:18:47,934 WARN L623 FunctionHandler]: Unknown extern function alloc_disk [2022-12-14 15:18:47,934 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-12-14 15:18:47,934 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-14 15:18:47,934 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-12-14 15:18:47,937 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 15:18:47,937 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 15:18:47,938 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-12-14 15:18:47,939 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 15:18:47,940 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 15:18:47,942 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:18:47,944 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:18:47,946 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-12-14 15:18:47,948 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 15:18:47,950 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:18:47,952 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:47,954 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:47,954 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 15:18:47,955 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:18:47,955 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 15:18:47,955 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 15:18:47,956 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:18:47,959 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 15:18:47,965 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:18:47,966 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 15:18:47,966 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:18:47,970 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:47,971 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:18:47,972 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 15:18:47,985 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:18:47,986 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:18:47,991 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:18:47,991 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:18:47,992 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:18:47,992 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:18:47,992 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:47,992 WARN L623 FunctionHandler]: Unknown extern function dev_crit [2022-12-14 15:18:47,992 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:18:47,993 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:18:47,993 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 15:18:47,993 WARN L623 FunctionHandler]: Unknown extern function dev_crit [2022-12-14 15:18:47,993 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:18:47,993 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:18:47,996 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 15:18:47,997 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 15:18:47,997 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 15:18:47,997 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 15:18:47,997 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-14 15:18:47,998 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-14 15:18:47,998 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 15:18:47,998 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 15:18:47,999 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 15:18:47,999 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 15:18:48,000 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 15:18:48,001 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:18:48,001 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:18:48,002 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:18:48,003 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:18:48,003 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 15:18:48,004 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 15:18:48,005 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 15:18:48,007 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 15:18:48,007 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 15:18:48,007 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 15:18:48,011 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 15:18:48,011 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 15:18:48,011 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 15:18:48,016 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:18:48,016 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_create [2022-12-14 15:18:48,017 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_destroy [2022-12-14 15:18:48,017 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 15:18:48,018 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 15:18:48,018 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 15:18:48,018 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 15:18:48,018 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 15:18:48,019 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 15:18:48,019 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 15:18:48,020 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 15:18:48,020 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 15:18:48,031 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 15:18:48,036 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:18:48,054 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[475253,475266] [2022-12-14 15:18:48,055 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[475398,475411] [2022-12-14 15:18:48,055 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[475544,475557] [2022-12-14 15:18:48,055 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[475709,475722] [2022-12-14 15:18:48,055 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[475867,475880] [2022-12-14 15:18:48,055 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[476025,476038] [2022-12-14 15:18:48,056 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[476183,476196] [2022-12-14 15:18:48,056 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[476343,476356] [2022-12-14 15:18:48,056 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[476502,476515] [2022-12-14 15:18:48,056 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[476641,476654] [2022-12-14 15:18:48,057 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[476783,476796] [2022-12-14 15:18:48,057 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[476932,476945] [2022-12-14 15:18:48,057 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[477071,477084] [2022-12-14 15:18:48,057 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[477226,477239] [2022-12-14 15:18:48,057 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[477386,477399] [2022-12-14 15:18:48,058 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[477537,477550] [2022-12-14 15:18:48,058 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[477688,477701] [2022-12-14 15:18:48,058 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[477840,477853] [2022-12-14 15:18:48,058 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[477989,478002] [2022-12-14 15:18:48,058 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[478137,478150] [2022-12-14 15:18:48,059 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[478294,478307] [2022-12-14 15:18:48,059 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[478443,478456] [2022-12-14 15:18:48,059 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[478599,478612] [2022-12-14 15:18:48,059 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[478752,478765] [2022-12-14 15:18:48,059 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[478898,478911] [2022-12-14 15:18:48,060 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[479041,479054] [2022-12-14 15:18:48,060 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[479193,479206] [2022-12-14 15:18:48,060 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[479339,479352] [2022-12-14 15:18:48,060 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[479484,479497] [2022-12-14 15:18:48,060 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[479638,479651] [2022-12-14 15:18:48,061 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[479789,479802] [2022-12-14 15:18:48,061 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[479944,479957] [2022-12-14 15:18:48,061 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[480096,480109] [2022-12-14 15:18:48,061 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[480251,480264] [2022-12-14 15:18:48,061 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[480415,480428] [2022-12-14 15:18:48,062 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[480571,480584] [2022-12-14 15:18:48,062 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[480735,480748] [2022-12-14 15:18:48,062 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[480877,480890] [2022-12-14 15:18:48,062 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[481035,481048] [2022-12-14 15:18:48,062 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[481202,481215] [2022-12-14 15:18:48,063 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[481361,481374] [2022-12-14 15:18:48,063 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[481520,481533] [2022-12-14 15:18:48,063 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[481669,481682] [2022-12-14 15:18:48,063 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[481816,481829] [2022-12-14 15:18:48,064 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[481955,481968] [2022-12-14 15:18:48,064 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[482118,482131] [2022-12-14 15:18:48,064 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[482284,482297] [2022-12-14 15:18:48,064 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[482448,482461] [2022-12-14 15:18:48,064 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[482613,482626] [2022-12-14 15:18:48,065 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[482778,482791] [2022-12-14 15:18:48,065 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[482944,482957] [2022-12-14 15:18:48,065 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[483109,483122] [2022-12-14 15:18:48,065 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[483276,483289] [2022-12-14 15:18:48,065 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[483436,483449] [2022-12-14 15:18:48,066 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[483598,483611] [2022-12-14 15:18:48,066 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[483757,483770] [2022-12-14 15:18:48,066 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[483903,483916] [2022-12-14 15:18:48,066 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[484046,484059] [2022-12-14 15:18:48,066 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[484190,484203] [2022-12-14 15:18:48,067 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[484333,484346] [2022-12-14 15:18:48,067 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[484477,484490] [2022-12-14 15:18:48,067 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[484618,484631] [2022-12-14 15:18:48,067 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[484756,484769] [2022-12-14 15:18:48,068 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[484914,484927] [2022-12-14 15:18:48,068 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[485073,485086] [2022-12-14 15:18:48,068 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[485229,485242] [2022-12-14 15:18:48,068 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[485378,485391] [2022-12-14 15:18:48,068 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[485530,485543] [2022-12-14 15:18:48,069 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[485681,485694] [2022-12-14 15:18:48,069 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[485830,485843] [2022-12-14 15:18:48,069 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[485982,485995] [2022-12-14 15:18:48,069 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[486130,486143] [2022-12-14 15:18:48,069 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[486283,486296] [2022-12-14 15:18:48,070 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[486434,486447] [2022-12-14 15:18:48,070 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[486584,486597] [2022-12-14 15:18:48,070 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[486731,486744] [2022-12-14 15:18:48,070 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[486882,486895] [2022-12-14 15:18:48,070 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[487033,487046] [2022-12-14 15:18:48,070 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[487181,487194] [2022-12-14 15:18:48,071 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[487347,487360] [2022-12-14 15:18:48,071 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[487516,487529] [2022-12-14 15:18:48,071 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[487683,487696] [2022-12-14 15:18:48,071 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[487851,487864] [2022-12-14 15:18:48,071 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[488001,488014] [2022-12-14 15:18:48,072 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[488148,488161] [2022-12-14 15:18:48,072 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[488309,488322] [2022-12-14 15:18:48,072 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[488479,488492] [2022-12-14 15:18:48,072 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i[488641,488654] [2022-12-14 15:18:48,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:18:48,349 INFO L208 MainTranslator]: Completed translation [2022-12-14 15:18:48,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:18:48 WrapperNode [2022-12-14 15:18:48,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:18:48,350 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 15:18:48,351 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 15:18:48,351 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 15:18:48,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:18:48" (1/1) ... [2022-12-14 15:18:48,427 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:18:48" (1/1) ... [2022-12-14 15:18:48,578 INFO L138 Inliner]: procedures = 858, calls = 4034, calls flagged for inlining = 408, calls inlined = 286, statements flattened = 7191 [2022-12-14 15:18:48,579 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 15:18:48,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 15:18:48,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 15:18:48,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 15:18:48,587 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:18:48" (1/1) ... [2022-12-14 15:18:48,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:18:48" (1/1) ... [2022-12-14 15:18:48,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:18:48" (1/1) ... [2022-12-14 15:18:48,615 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:18:48" (1/1) ... [2022-12-14 15:18:48,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:18:48" (1/1) ... [2022-12-14 15:18:48,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:18:48" (1/1) ... [2022-12-14 15:18:48,759 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:18:48" (1/1) ... [2022-12-14 15:18:48,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:18:48" (1/1) ... [2022-12-14 15:18:48,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 15:18:48,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 15:18:48,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 15:18:48,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 15:18:48,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:18:48" (1/1) ... [2022-12-14 15:18:48,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:18:48,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:18:48,830 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 15:18:48,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 15:18:48,864 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2022-12-14 15:18:48,864 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2022-12-14 15:18:48,864 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2022-12-14 15:18:48,864 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2022-12-14 15:18:48,864 INFO L130 BoogieDeclarations]: Found specification of procedure __disable_intr [2022-12-14 15:18:48,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __disable_intr [2022-12-14 15:18:48,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-12-14 15:18:48,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-12-14 15:18:48,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 15:18:48,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 15:18:48,865 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_cleanup_dma_queue [2022-12-14 15:18:48,865 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_cleanup_dma_queue [2022-12-14 15:18:48,865 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-14 15:18:48,865 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-14 15:18:48,865 INFO L130 BoogieDeclarations]: Found specification of procedure queue_flag_set_unlocked [2022-12-14 15:18:48,865 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_flag_set_unlocked [2022-12-14 15:18:48,865 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-12-14 15:18:48,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-12-14 15:18:48,865 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dev_cleanup [2022-12-14 15:18:48,865 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dev_cleanup [2022-12-14 15:18:48,866 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_cram_write [2022-12-14 15:18:48,866 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_cram_write [2022-12-14 15:18:48,866 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-12-14 15:18:48,866 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-12-14 15:18:48,866 INFO L130 BoogieDeclarations]: Found specification of procedure config_data_swab [2022-12-14 15:18:48,866 INFO L138 BoogieDeclarations]: Found implementation of procedure config_data_swab [2022-12-14 15:18:48,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_108 [2022-12-14 15:18:48,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_108 [2022-12-14 15:18:48,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_105 [2022-12-14 15:18:48,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_105 [2022-12-14 15:18:48,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_101 [2022-12-14 15:18:48,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_101 [2022-12-14 15:18:48,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_102 [2022-12-14 15:18:48,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_102 [2022-12-14 15:18:48,866 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_detach_dev [2022-12-14 15:18:48,867 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_detach_dev [2022-12-14 15:18:48,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-12-14 15:18:48,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-12-14 15:18:48,867 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-12-14 15:18:48,867 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-12-14 15:18:48,867 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-12-14 15:18:48,867 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-12-14 15:18:48,867 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-14 15:18:48,867 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-14 15:18:48,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_irq_lock_of_rsxx_cardinfo [2022-12-14 15:18:48,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_irq_lock_of_rsxx_cardinfo [2022-12-14 15:18:48,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 15:18:48,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 15:18:48,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_110 [2022-12-14 15:18:48,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_110 [2022-12-14 15:18:48,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-12-14 15:18:48,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-12-14 15:18:48,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 15:18:48,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-12-14 15:18:48,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-12-14 15:18:48,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-14 15:18:48,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-14 15:18:48,868 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2022-12-14 15:18:48,885 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2022-12-14 15:18:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-12-14 15:18:48,885 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-12-14 15:18:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-14 15:18:48,885 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-14 15:18:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-12-14 15:18:48,885 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-12-14 15:18:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-12-14 15:18:48,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-12-14 15:18:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2022-12-14 15:18:48,885 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2022-12-14 15:18:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 15:18:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-12-14 15:18:48,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-12-14 15:18:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-12-14 15:18:48,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-12-14 15:18:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 15:18:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_NOT_ARG_SIGN [2022-12-14 15:18:48,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_NOT_ARG_SIGN [2022-12-14 15:18:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 15:18:48,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 15:18:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 15:18:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2022-12-14 15:18:48,886 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2022-12-14 15:18:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-12-14 15:18:48,886 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-12-14 15:18:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-12-14 15:18:48,886 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-12-14 15:18:48,887 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-12-14 15:18:48,887 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-12-14 15:18:48,887 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-12-14 15:18:48,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-12-14 15:18:48,887 INFO L130 BoogieDeclarations]: Found specification of procedure __issue_creg_rw [2022-12-14 15:18:48,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __issue_creg_rw [2022-12-14 15:18:48,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 15:18:48,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 15:18:48,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 15:18:48,887 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2022-12-14 15:18:48,887 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2022-12-14 15:18:48,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_dev_lock_of_rsxx_cardinfo [2022-12-14 15:18:48,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_dev_lock_of_rsxx_cardinfo [2022-12-14 15:18:48,887 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-12-14 15:18:48,887 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-12-14 15:18:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-12-14 15:18:48,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-12-14 15:18:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_getgeo [2022-12-14 15:18:48,888 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_getgeo [2022-12-14 15:18:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2022-12-14 15:18:48,888 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2022-12-14 15:18:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_complete_dma [2022-12-14 15:18:48,888 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_complete_dma [2022-12-14 15:18:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 15:18:48,888 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 15:18:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-12-14 15:18:48,888 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-12-14 15:18:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_eeh_failure [2022-12-14 15:18:48,888 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_eeh_failure [2022-12-14 15:18:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure card_shutdown [2022-12-14 15:18:48,891 INFO L138 BoogieDeclarations]: Found implementation of procedure card_shutdown [2022-12-14 15:18:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-12-14 15:18:48,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-12-14 15:18:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_cram_read [2022-12-14 15:18:48,909 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_cram_read [2022-12-14 15:18:48,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-12-14 15:18:48,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-12-14 15:18:48,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 15:18:48,909 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 15:18:48,909 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 15:18:48,910 INFO L130 BoogieDeclarations]: Found specification of procedure creg_cmd_timed_out [2022-12-14 15:18:48,910 INFO L138 BoogieDeclarations]: Found implementation of procedure creg_cmd_timed_out [2022-12-14 15:18:48,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-12-14 15:18:48,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-12-14 15:18:48,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 15:18:48,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_8_2 [2022-12-14 15:18:48,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_8_2 [2022-12-14 15:18:48,910 INFO L130 BoogieDeclarations]: Found specification of procedure creg_kick_queue [2022-12-14 15:18:48,910 INFO L138 BoogieDeclarations]: Found implementation of procedure creg_kick_queue [2022-12-14 15:18:48,910 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-12-14 15:18:48,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-12-14 15:18:48,910 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-14 15:18:48,910 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-14 15:18:48,910 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_cleanup [2022-12-14 15:18:48,910 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_cleanup [2022-12-14 15:18:48,911 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-12-14 15:18:48,911 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-12-14 15:18:48,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-14 15:18:48,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-14 15:18:48,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_100 [2022-12-14 15:18:48,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_100 [2022-12-14 15:18:48,911 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-12-14 15:18:48,911 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-12-14 15:18:48,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-12-14 15:18:48,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-12-14 15:18:48,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-12-14 15:18:48,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-12-14 15:18:48,911 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-12-14 15:18:48,911 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-12-14 15:18:48,911 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_pci_shutdown [2022-12-14 15:18:48,912 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_pci_shutdown [2022-12-14 15:18:48,912 INFO L130 BoogieDeclarations]: Found specification of procedure issue_creg_rw [2022-12-14 15:18:48,912 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_creg_rw [2022-12-14 15:18:48,912 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_card_state_to_str [2022-12-14 15:18:48,912 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_card_state_to_str [2022-12-14 15:18:48,912 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_disable_ier [2022-12-14 15:18:48,912 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_disable_ier [2022-12-14 15:18:48,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-12-14 15:18:48,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-12-14 15:18:48,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 15:18:48,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 15:18:48,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 15:18:48,912 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2022-12-14 15:18:48,912 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2022-12-14 15:18:48,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_104 [2022-12-14 15:18:48,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_104 [2022-12-14 15:18:48,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_100 [2022-12-14 15:18:48,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_100 [2022-12-14 15:18:48,912 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-12-14 15:18:48,912 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-12-14 15:18:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_enable_ier_and_isr [2022-12-14 15:18:48,913 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_enable_ier_and_isr [2022-12-14 15:18:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-12-14 15:18:48,913 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-12-14 15:18:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_get_card_size8 [2022-12-14 15:18:48,913 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_get_card_size8 [2022-12-14 15:18:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-12-14 15:18:48,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-12-14 15:18:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-12-14 15:18:48,913 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-12-14 15:18:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_size [2022-12-14 15:18:48,913 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_size [2022-12-14 15:18:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure __enable_intr [2022-12-14 15:18:48,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __enable_intr [2022-12-14 15:18:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-12-14 15:18:48,913 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-12-14 15:18:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_queue_lock_of_rsxx_dma_ctrl [2022-12-14 15:18:48,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_queue_lock_of_rsxx_dma_ctrl [2022-12-14 15:18:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_107 [2022-12-14 15:18:48,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_107 [2022-12-14 15:18:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_98 [2022-12-14 15:18:48,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_98 [2022-12-14 15:18:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-12-14 15:18:48,913 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-12-14 15:18:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_99 [2022-12-14 15:18:48,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_99 [2022-12-14 15:18:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-12-14 15:18:48,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-12-14 15:18:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-12-14 15:18:48,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-12-14 15:18:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 15:18:48,914 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 15:18:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_hw_buffers_init [2022-12-14 15:18:48,914 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_hw_buffers_init [2022-12-14 15:18:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-12-14 15:18:48,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-12-14 15:18:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure config_data_crc32 [2022-12-14 15:18:48,914 INFO L138 BoogieDeclarations]: Found implementation of procedure config_data_crc32 [2022-12-14 15:18:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_attr_pci_regs_open [2022-12-14 15:18:48,914 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_attr_pci_regs_open [2022-12-14 15:18:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 15:18:48,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 15:18:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_configure [2022-12-14 15:18:48,914 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_configure [2022-12-14 15:18:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-12-14 15:18:48,914 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-12-14 15:18:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure creg_queue_cmd [2022-12-14 15:18:48,914 INFO L138 BoogieDeclarations]: Found implementation of procedure creg_queue_cmd [2022-12-14 15:18:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_free_dma [2022-12-14 15:18:48,915 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_free_dma [2022-12-14 15:18:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-12-14 15:18:48,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-12-14 15:18:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_cancel [2022-12-14 15:18:48,915 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_cancel [2022-12-14 15:18:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-12-14 15:18:48,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-12-14 15:18:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_5 [2022-12-14 15:18:48,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_5 [2022-12-14 15:18:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_get_card_state [2022-12-14 15:18:48,915 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_get_card_state [2022-12-14 15:18:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-14 15:18:48,915 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-14 15:18:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2022-12-14 15:18:48,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2022-12-14 15:18:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 15:18:48,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 15:18:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-12-14 15:18:48,915 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-12-14 15:18:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 15:18:48,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 15:18:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-12-14 15:18:48,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-12-14 15:18:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2022-12-14 15:18:48,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2022-12-14 15:18:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_5_2 [2022-12-14 15:18:48,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_5_2 [2022-12-14 15:18:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 15:18:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-12-14 15:18:48,916 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-12-14 15:18:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_issue_card_cmd [2022-12-14 15:18:48,916 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_issue_card_cmd [2022-12-14 15:18:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-12-14 15:18:48,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-12-14 15:18:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-12-14 15:18:48,916 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-12-14 15:18:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-12-14 15:18:48,916 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-12-14 15:18:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure CR_INTR_DMA [2022-12-14 15:18:48,916 INFO L138 BoogieDeclarations]: Found implementation of procedure CR_INTR_DMA [2022-12-14 15:18:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure push_tracker [2022-12-14 15:18:48,916 INFO L138 BoogieDeclarations]: Found implementation of procedure push_tracker [2022-12-14 15:18:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 15:18:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-12-14 15:18:48,916 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-12-14 15:18:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_pci_probe [2022-12-14 15:18:48,916 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_pci_probe [2022-12-14 15:18:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-14 15:18:48,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-14 15:18:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 15:18:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_blk_cleanup_queue [2022-12-14 15:18:48,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_blk_cleanup_queue [2022-12-14 15:18:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-12-14 15:18:48,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-12-14 15:18:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-12-14 15:18:48,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-12-14 15:18:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-12-14 15:18:48,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-12-14 15:18:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-14 15:18:48,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-14 15:18:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure CREG_DATA [2022-12-14 15:18:48,917 INFO L138 BoogieDeclarations]: Found implementation of procedure CREG_DATA [2022-12-14 15:18:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-12-14 15:18:48,917 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-12-14 15:18:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-12-14 15:18:48,917 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-12-14 15:18:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_99 [2022-12-14 15:18:48,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_99 [2022-12-14 15:18:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-12-14 15:18:48,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-12-14 15:18:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_creg_write [2022-12-14 15:18:48,918 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_creg_write [2022-12-14 15:18:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2022-12-14 15:18:48,918 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2022-12-14 15:18:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure dma_intr_coal_val [2022-12-14 15:18:48,918 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_intr_coal_val [2022-12-14 15:18:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-14 15:18:48,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-14 15:18:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_pci_remove [2022-12-14 15:18:48,918 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_pci_remove [2022-12-14 15:18:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_96 [2022-12-14 15:18:48,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_96 [2022-12-14 15:18:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-12-14 15:18:48,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-12-14 15:18:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure read_hw_log_done [2022-12-14 15:18:48,918 INFO L138 BoogieDeclarations]: Found implementation of procedure read_hw_log_done [2022-12-14 15:18:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-12-14 15:18:48,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-12-14 15:18:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_destroy [2022-12-14 15:18:48,918 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_destroy [2022-12-14 15:18:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-12-14 15:18:48,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-12-14 15:18:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_queue_reset [2022-12-14 15:18:48,918 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_queue_reset [2022-12-14 15:18:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_96___0 [2022-12-14 15:18:48,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_96___0 [2022-12-14 15:18:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-12-14 15:18:48,919 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-12-14 15:18:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-12-14 15:18:48,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-12-14 15:18:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 15:18:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 15:18:48,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 15:18:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_creg_read [2022-12-14 15:18:48,919 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_creg_read [2022-12-14 15:18:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 15:18:48,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 15:18:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-12-14 15:18:48,919 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-12-14 15:18:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-12-14 15:18:48,919 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-12-14 15:18:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_NOT_ARG_SIGN [2022-12-14 15:18:48,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_NOT_ARG_SIGN [2022-12-14 15:18:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_irq_lock_of_rsxx_cardinfo [2022-12-14 15:18:48,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_irq_lock_of_rsxx_cardinfo [2022-12-14 15:18:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-12-14 15:18:48,919 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-12-14 15:18:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-12-14 15:18:48,919 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-12-14 15:18:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure dma_engine_stalled [2022-12-14 15:18:48,920 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_engine_stalled [2022-12-14 15:18:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-12-14 15:18:48,920 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-12-14 15:18:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_reg_access [2022-12-14 15:18:48,920 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_reg_access [2022-12-14 15:18:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_attr_stats_open [2022-12-14 15:18:48,920 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_attr_stats_open [2022-12-14 15:18:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-12-14 15:18:48,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-12-14 15:18:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 15:18:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-12-14 15:18:48,920 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-12-14 15:18:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_sched_completion__wait_without_init [2022-12-14 15:18:48,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_sched_completion__wait_without_init [2022-12-14 15:18:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-12-14 15:18:48,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-12-14 15:18:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_dev_lock_of_rsxx_cardinfo [2022-12-14 15:18:48,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_dev_lock_of_rsxx_cardinfo [2022-12-14 15:18:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 15:18:48,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 15:18:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_97___0 [2022-12-14 15:18:48,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_97___0 [2022-12-14 15:18:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-12-14 15:18:48,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-12-14 15:18:48,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_109 [2022-12-14 15:18:48,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_109 [2022-12-14 15:18:48,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-12-14 15:18:48,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-12-14 15:18:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2022-12-14 15:18:48,930 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2022-12-14 15:18:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 15:18:48,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 15:18:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-12-14 15:18:48,930 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-12-14 15:18:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-12-14 15:18:48,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-12-14 15:18:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-12-14 15:18:48,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-12-14 15:18:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 15:18:48,930 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 15:18:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-12-14 15:18:48,930 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-12-14 15:18:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-12-14 15:18:48,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-12-14 15:18:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-12-14 15:18:48,931 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-12-14 15:18:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_blkdev_ioctl [2022-12-14 15:18:48,931 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_blkdev_ioctl [2022-12-14 15:18:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_disable_ier_and_isr [2022-12-14 15:18:48,931 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_disable_ier_and_isr [2022-12-14 15:18:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-12-14 15:18:48,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-12-14 15:18:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure get_tracker_dma [2022-12-14 15:18:48,931 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tracker_dma [2022-12-14 15:18:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-12-14 15:18:48,931 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-12-14 15:18:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_queue_lock_of_rsxx_dma_ctrl [2022-12-14 15:18:48,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_queue_lock_of_rsxx_dma_ctrl [2022-12-14 15:18:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_101 [2022-12-14 15:18:48,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_101 [2022-12-14 15:18:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_read_hw_log [2022-12-14 15:18:48,931 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_read_hw_log [2022-12-14 15:18:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 15:18:48,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 15:18:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-12-14 15:18:48,931 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-12-14 15:18:48,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-12-14 15:18:48,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-12-14 15:18:48,932 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-12-14 15:18:48,932 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-12-14 15:18:48,932 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-12-14 15:18:48,932 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-12-14 15:18:48,932 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2022-12-14 15:18:48,932 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2022-12-14 15:18:48,932 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-12-14 15:18:48,932 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-12-14 15:18:48,932 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 15:18:48,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 15:18:48,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 15:18:49,597 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 15:18:49,600 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 15:18:49,653 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 15:18:57,195 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 15:18:58,075 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 15:18:58,076 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 15:18:58,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:18:58 BoogieIcfgContainer [2022-12-14 15:18:58,081 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 15:18:58,082 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 15:18:58,083 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 15:18:58,085 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 15:18:58,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:18:43" (1/3) ... [2022-12-14 15:18:58,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75df692d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:18:58, skipping insertion in model container [2022-12-14 15:18:58,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:18:48" (2/3) ... [2022-12-14 15:18:58,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75df692d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:18:58, skipping insertion in model container [2022-12-14 15:18:58,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:18:58" (3/3) ... [2022-12-14 15:18:58,087 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.i [2022-12-14 15:18:58,103 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 15:18:58,104 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 39 error locations. [2022-12-14 15:18:58,204 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 15:18:58,209 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;@1b253764, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 15:18:58,210 INFO L358 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2022-12-14 15:18:58,219 INFO L276 IsEmpty]: Start isEmpty. Operand has 2245 states, 1261 states have (on average 1.2775574940523393) internal successors, (1611), 1343 states have internal predecessors, (1611), 741 states have call successors, (741), 204 states have call predecessors, (741), 203 states have return successors, (735), 726 states have call predecessors, (735), 735 states have call successors, (735) [2022-12-14 15:18:58,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-14 15:18:58,227 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:18:58,228 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:18:58,228 INFO L420 AbstractCegarLoop]: === Iteration 1 === 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 37 more)] === [2022-12-14 15:18:58,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:18:58,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1418007190, now seen corresponding path program 1 times [2022-12-14 15:18:58,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:18:58,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915485445] [2022-12-14 15:18:58,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:18:58,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:18:58,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:18:58,957 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 15:18:58,957 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:18:58,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915485445] [2022-12-14 15:18:58,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915485445] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:18:58,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:18:58,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:18:58,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739446808] [2022-12-14 15:18:58,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:18:58,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:18:58,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:18:58,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:18:58,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:18:58,990 INFO L87 Difference]: Start difference. First operand has 2245 states, 1261 states have (on average 1.2775574940523393) internal successors, (1611), 1343 states have internal predecessors, (1611), 741 states have call successors, (741), 204 states have call predecessors, (741), 203 states have return successors, (735), 726 states have call predecessors, (735), 735 states have call successors, (735) Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 15:19:01,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:19:03,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:19:03,506 INFO L93 Difference]: Finished difference Result 4933 states and 6976 transitions. [2022-12-14 15:19:03,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:19:03,508 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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 52 [2022-12-14 15:19:03,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:19:03,528 INFO L225 Difference]: With dead ends: 4933 [2022-12-14 15:19:03,528 INFO L226 Difference]: Without dead ends: 2712 [2022-12-14 15:19:03,539 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:19:03,541 INFO L413 NwaCegarLoop]: 3028 mSDtfsCounter, 2918 mSDsluCounter, 3640 mSDsCounter, 0 mSdLazyCounter, 846 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2922 SdHoareTripleChecker+Valid, 6668 SdHoareTripleChecker+Invalid, 847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 846 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-12-14 15:19:03,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2922 Valid, 6668 Invalid, 847 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 846 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2022-12-14 15:19:03,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2712 states. [2022-12-14 15:19:03,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2712 to 2702. [2022-12-14 15:19:03,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2702 states, 1513 states have (on average 1.239920687376074) internal successors, (1876), 1597 states have internal predecessors, (1876), 868 states have call successors, (868), 284 states have call predecessors, (868), 283 states have return successors, (866), 855 states have call predecessors, (866), 866 states have call successors, (866) [2022-12-14 15:19:03,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2702 states to 2702 states and 3610 transitions. [2022-12-14 15:19:03,690 INFO L78 Accepts]: Start accepts. Automaton has 2702 states and 3610 transitions. Word has length 52 [2022-12-14 15:19:03,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:19:03,691 INFO L495 AbstractCegarLoop]: Abstraction has 2702 states and 3610 transitions. [2022-12-14 15:19:03,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 15:19:03,691 INFO L276 IsEmpty]: Start isEmpty. Operand 2702 states and 3610 transitions. [2022-12-14 15:19:03,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-14 15:19:03,693 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:19:03,693 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:19:03,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 15:19:03,694 INFO L420 AbstractCegarLoop]: === Iteration 2 === 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 37 more)] === [2022-12-14 15:19:03,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:19:03,694 INFO L85 PathProgramCache]: Analyzing trace with hash 165262332, now seen corresponding path program 1 times [2022-12-14 15:19:03,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:19:03,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584358223] [2022-12-14 15:19:03,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:19:03,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:19:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:19:03,998 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 15:19:03,998 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:19:03,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584358223] [2022-12-14 15:19:03,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584358223] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:19:03,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:19:03,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:19:03,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430523304] [2022-12-14 15:19:03,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:19:04,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:19:04,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:19:04,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:19:04,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:19:04,002 INFO L87 Difference]: Start difference. First operand 2702 states and 3610 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 15:19:06,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:19:09,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:19:09,528 INFO L93 Difference]: Finished difference Result 4806 states and 6462 transitions. [2022-12-14 15:19:09,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 15:19:09,529 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (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 57 [2022-12-14 15:19:09,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:19:09,550 INFO L225 Difference]: With dead ends: 4806 [2022-12-14 15:19:09,551 INFO L226 Difference]: Without dead ends: 4804 [2022-12-14 15:19:09,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:19:09,554 INFO L413 NwaCegarLoop]: 3705 mSDtfsCounter, 2869 mSDsluCounter, 6332 mSDsCounter, 0 mSdLazyCounter, 1164 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2873 SdHoareTripleChecker+Valid, 10037 SdHoareTripleChecker+Invalid, 1167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1164 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-12-14 15:19:09,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2873 Valid, 10037 Invalid, 1167 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1164 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2022-12-14 15:19:09,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4804 states. [2022-12-14 15:19:09,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4804 to 4608. [2022-12-14 15:19:09,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4608 states, 2588 states have (on average 1.240726429675425) internal successors, (3211), 2712 states have internal predecessors, (3211), 1520 states have call successors, (1520), 463 states have call predecessors, (1520), 462 states have return successors, (1527), 1495 states have call predecessors, (1527), 1518 states have call successors, (1527) [2022-12-14 15:19:09,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4608 states to 4608 states and 6258 transitions. [2022-12-14 15:19:09,711 INFO L78 Accepts]: Start accepts. Automaton has 4608 states and 6258 transitions. Word has length 57 [2022-12-14 15:19:09,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:19:09,711 INFO L495 AbstractCegarLoop]: Abstraction has 4608 states and 6258 transitions. [2022-12-14 15:19:09,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 15:19:09,711 INFO L276 IsEmpty]: Start isEmpty. Operand 4608 states and 6258 transitions. [2022-12-14 15:19:09,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-12-14 15:19:09,713 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:19:09,713 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:19:09,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 15:19:09,713 INFO L420 AbstractCegarLoop]: === Iteration 3 === 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 37 more)] === [2022-12-14 15:19:09,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:19:09,713 INFO L85 PathProgramCache]: Analyzing trace with hash -557129182, now seen corresponding path program 1 times [2022-12-14 15:19:09,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:19:09,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582580914] [2022-12-14 15:19:09,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:19:09,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:19:09,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:19:10,109 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 15:19:10,110 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:19:10,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582580914] [2022-12-14 15:19:10,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582580914] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:19:10,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:19:10,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:19:10,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369895557] [2022-12-14 15:19:10,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:19:10,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:19:10,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:19:10,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:19:10,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:19:10,112 INFO L87 Difference]: Start difference. First operand 4608 states and 6258 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 15:19:12,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:19:15,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:19:15,322 INFO L93 Difference]: Finished difference Result 8587 states and 11733 transitions. [2022-12-14 15:19:15,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 15:19:15,323 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (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 62 [2022-12-14 15:19:15,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:19:15,370 INFO L225 Difference]: With dead ends: 8587 [2022-12-14 15:19:15,370 INFO L226 Difference]: Without dead ends: 8585 [2022-12-14 15:19:15,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:19:15,375 INFO L413 NwaCegarLoop]: 3550 mSDtfsCounter, 2867 mSDsluCounter, 6162 mSDsCounter, 0 mSdLazyCounter, 1110 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2871 SdHoareTripleChecker+Valid, 9712 SdHoareTripleChecker+Invalid, 1114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1110 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-12-14 15:19:15,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2871 Valid, 9712 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1110 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2022-12-14 15:19:15,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8585 states. [2022-12-14 15:19:15,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8585 to 8394. [2022-12-14 15:19:15,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8394 states, 4722 states have (on average 1.2412113511224057) internal successors, (5861), 4926 states have internal predecessors, (5861), 2816 states have call successors, (2816), 819 states have call predecessors, (2816), 818 states have return successors, (2855), 2767 states have call predecessors, (2855), 2814 states have call successors, (2855) [2022-12-14 15:19:15,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8394 states to 8394 states and 11532 transitions. [2022-12-14 15:19:15,767 INFO L78 Accepts]: Start accepts. Automaton has 8394 states and 11532 transitions. Word has length 62 [2022-12-14 15:19:15,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:19:15,768 INFO L495 AbstractCegarLoop]: Abstraction has 8394 states and 11532 transitions. [2022-12-14 15:19:15,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 15:19:15,768 INFO L276 IsEmpty]: Start isEmpty. Operand 8394 states and 11532 transitions. [2022-12-14 15:19:15,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-12-14 15:19:15,770 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:19:15,770 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:19:15,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 15:19:15,770 INFO L420 AbstractCegarLoop]: === Iteration 4 === 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 37 more)] === [2022-12-14 15:19:15,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:19:15,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1865815230, now seen corresponding path program 1 times [2022-12-14 15:19:15,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:19:15,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818640684] [2022-12-14 15:19:15,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:19:15,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:19:15,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:19:16,062 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 15:19:16,063 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:19:16,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818640684] [2022-12-14 15:19:16,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818640684] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:19:16,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:19:16,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:19:16,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766232086] [2022-12-14 15:19:16,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:19:16,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:19:16,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:19:16,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:19:16,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:19:16,065 INFO L87 Difference]: Start difference. First operand 8394 states and 11532 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-14 15:19:18,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:19:20,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:19:20,466 INFO L93 Difference]: Finished difference Result 8404 states and 11537 transitions. [2022-12-14 15:19:20,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:19:20,467 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (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 67 [2022-12-14 15:19:20,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:19:20,496 INFO L225 Difference]: With dead ends: 8404 [2022-12-14 15:19:20,496 INFO L226 Difference]: Without dead ends: 8402 [2022-12-14 15:19:20,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:19:20,500 INFO L413 NwaCegarLoop]: 2995 mSDtfsCounter, 2894 mSDsluCounter, 3605 mSDsCounter, 0 mSdLazyCounter, 842 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2898 SdHoareTripleChecker+Valid, 6600 SdHoareTripleChecker+Invalid, 843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 842 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-12-14 15:19:20,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2898 Valid, 6600 Invalid, 843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 842 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2022-12-14 15:19:20,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8402 states. [2022-12-14 15:19:20,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8402 to 8392. [2022-12-14 15:19:20,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8392 states, 4721 states have (on average 1.2410506248676128) internal successors, (5859), 4924 states have internal predecessors, (5859), 2816 states have call successors, (2816), 819 states have call predecessors, (2816), 818 states have return successors, (2855), 2767 states have call predecessors, (2855), 2814 states have call successors, (2855) [2022-12-14 15:19:20,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8392 states to 8392 states and 11530 transitions. [2022-12-14 15:19:20,847 INFO L78 Accepts]: Start accepts. Automaton has 8392 states and 11530 transitions. Word has length 67 [2022-12-14 15:19:20,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:19:20,847 INFO L495 AbstractCegarLoop]: Abstraction has 8392 states and 11530 transitions. [2022-12-14 15:19:20,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-14 15:19:20,848 INFO L276 IsEmpty]: Start isEmpty. Operand 8392 states and 11530 transitions. [2022-12-14 15:19:20,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-12-14 15:19:20,850 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:19:20,851 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:19:20,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 15:19:20,851 INFO L420 AbstractCegarLoop]: === Iteration 5 === 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 37 more)] === [2022-12-14 15:19:20,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:19:20,852 INFO L85 PathProgramCache]: Analyzing trace with hash 84573842, now seen corresponding path program 1 times [2022-12-14 15:19:20,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:19:20,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156256352] [2022-12-14 15:19:20,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:19:20,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:19:20,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:19:21,144 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 15:19:21,145 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:19:21,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156256352] [2022-12-14 15:19:21,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156256352] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:19:21,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:19:21,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:19:21,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350199043] [2022-12-14 15:19:21,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:19:21,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:19:21,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:19:21,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:19:21,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:19:21,147 INFO L87 Difference]: Start difference. First operand 8392 states and 11530 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 15:19:23,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:19:25,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:19:25,569 INFO L93 Difference]: Finished difference Result 8402 states and 11535 transitions. [2022-12-14 15:19:25,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:19:25,570 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (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 72 [2022-12-14 15:19:25,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:19:25,595 INFO L225 Difference]: With dead ends: 8402 [2022-12-14 15:19:25,596 INFO L226 Difference]: Without dead ends: 8400 [2022-12-14 15:19:25,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:19:25,600 INFO L413 NwaCegarLoop]: 2993 mSDtfsCounter, 2891 mSDsluCounter, 3603 mSDsCounter, 0 mSdLazyCounter, 842 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2895 SdHoareTripleChecker+Valid, 6596 SdHoareTripleChecker+Invalid, 843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 842 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-12-14 15:19:25,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2895 Valid, 6596 Invalid, 843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 842 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2022-12-14 15:19:25,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8400 states. [2022-12-14 15:19:25,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8400 to 8390. [2022-12-14 15:19:25,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8390 states, 4720 states have (on average 1.2408898305084746) internal successors, (5857), 4922 states have internal predecessors, (5857), 2816 states have call successors, (2816), 819 states have call predecessors, (2816), 818 states have return successors, (2855), 2767 states have call predecessors, (2855), 2814 states have call successors, (2855) [2022-12-14 15:19:25,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8390 states to 8390 states and 11528 transitions. [2022-12-14 15:19:25,956 INFO L78 Accepts]: Start accepts. Automaton has 8390 states and 11528 transitions. Word has length 72 [2022-12-14 15:19:25,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:19:25,956 INFO L495 AbstractCegarLoop]: Abstraction has 8390 states and 11528 transitions. [2022-12-14 15:19:25,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 15:19:25,957 INFO L276 IsEmpty]: Start isEmpty. Operand 8390 states and 11528 transitions. [2022-12-14 15:19:25,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-14 15:19:25,957 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:19:25,958 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:19:25,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 15:19:25,958 INFO L420 AbstractCegarLoop]: === Iteration 6 === 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 37 more)] === [2022-12-14 15:19:25,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:19:25,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1212727937, now seen corresponding path program 1 times [2022-12-14 15:19:25,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:19:25,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197676227] [2022-12-14 15:19:25,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:19:25,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:19:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:19:26,216 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 15:19:26,217 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:19:26,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197676227] [2022-12-14 15:19:26,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197676227] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:19:26,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:19:26,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:19:26,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373192237] [2022-12-14 15:19:26,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:19:26,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:19:26,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:19:26,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:19:26,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:19:26,219 INFO L87 Difference]: Start difference. First operand 8390 states and 11528 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 15:19:28,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:19:30,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:19:30,810 INFO L93 Difference]: Finished difference Result 8400 states and 11533 transitions. [2022-12-14 15:19:30,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:19:30,811 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (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 77 [2022-12-14 15:19:30,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:19:30,836 INFO L225 Difference]: With dead ends: 8400 [2022-12-14 15:19:30,836 INFO L226 Difference]: Without dead ends: 8398 [2022-12-14 15:19:30,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:19:30,840 INFO L413 NwaCegarLoop]: 2991 mSDtfsCounter, 2888 mSDsluCounter, 3601 mSDsCounter, 0 mSdLazyCounter, 842 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2892 SdHoareTripleChecker+Valid, 6592 SdHoareTripleChecker+Invalid, 843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 842 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-12-14 15:19:30,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2892 Valid, 6592 Invalid, 843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 842 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2022-12-14 15:19:30,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8398 states. [2022-12-14 15:19:31,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8398 to 8388. [2022-12-14 15:19:31,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8388 states, 4719 states have (on average 1.2407289680016953) internal successors, (5855), 4920 states have internal predecessors, (5855), 2816 states have call successors, (2816), 819 states have call predecessors, (2816), 818 states have return successors, (2855), 2767 states have call predecessors, (2855), 2814 states have call successors, (2855) [2022-12-14 15:19:31,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8388 states to 8388 states and 11526 transitions. [2022-12-14 15:19:31,274 INFO L78 Accepts]: Start accepts. Automaton has 8388 states and 11526 transitions. Word has length 77 [2022-12-14 15:19:31,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:19:31,274 INFO L495 AbstractCegarLoop]: Abstraction has 8388 states and 11526 transitions. [2022-12-14 15:19:31,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 15:19:31,274 INFO L276 IsEmpty]: Start isEmpty. Operand 8388 states and 11526 transitions. [2022-12-14 15:19:31,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-12-14 15:19:31,275 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:19:31,275 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:19:31,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 15:19:31,275 INFO L420 AbstractCegarLoop]: === Iteration 7 === 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 37 more)] === [2022-12-14 15:19:31,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:19:31,276 INFO L85 PathProgramCache]: Analyzing trace with hash 984283681, now seen corresponding path program 1 times [2022-12-14 15:19:31,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:19:31,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137739730] [2022-12-14 15:19:31,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:19:31,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:19:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:19:31,555 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 15:19:31,555 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:19:31,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137739730] [2022-12-14 15:19:31,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137739730] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:19:31,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:19:31,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:19:31,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931009539] [2022-12-14 15:19:31,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:19:31,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:19:31,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:19:31,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:19:31,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:19:31,557 INFO L87 Difference]: Start difference. First operand 8388 states and 11526 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 15:19:33,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:19:35,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:19:35,999 INFO L93 Difference]: Finished difference Result 8398 states and 11531 transitions. [2022-12-14 15:19:36,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:19:36,000 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (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 82 [2022-12-14 15:19:36,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:19:36,020 INFO L225 Difference]: With dead ends: 8398 [2022-12-14 15:19:36,020 INFO L226 Difference]: Without dead ends: 8396 [2022-12-14 15:19:36,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:19:36,024 INFO L413 NwaCegarLoop]: 2989 mSDtfsCounter, 2885 mSDsluCounter, 3599 mSDsCounter, 0 mSdLazyCounter, 842 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2889 SdHoareTripleChecker+Valid, 6588 SdHoareTripleChecker+Invalid, 843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 842 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-12-14 15:19:36,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2889 Valid, 6588 Invalid, 843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 842 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2022-12-14 15:19:36,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8396 states. [2022-12-14 15:19:36,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8396 to 8386. [2022-12-14 15:19:36,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8386 states, 4718 states have (on average 1.2405680373039423) internal successors, (5853), 4918 states have internal predecessors, (5853), 2816 states have call successors, (2816), 819 states have call predecessors, (2816), 818 states have return successors, (2855), 2767 states have call predecessors, (2855), 2814 states have call successors, (2855) [2022-12-14 15:19:36,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8386 states to 8386 states and 11524 transitions. [2022-12-14 15:19:36,361 INFO L78 Accepts]: Start accepts. Automaton has 8386 states and 11524 transitions. Word has length 82 [2022-12-14 15:19:36,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:19:36,362 INFO L495 AbstractCegarLoop]: Abstraction has 8386 states and 11524 transitions. [2022-12-14 15:19:36,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 15:19:36,362 INFO L276 IsEmpty]: Start isEmpty. Operand 8386 states and 11524 transitions. [2022-12-14 15:19:36,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-12-14 15:19:36,363 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:19:36,363 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:19:36,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 15:19:36,363 INFO L420 AbstractCegarLoop]: === Iteration 8 === 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 37 more)] === [2022-12-14 15:19:36,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:19:36,364 INFO L85 PathProgramCache]: Analyzing trace with hash 21225125, now seen corresponding path program 1 times [2022-12-14 15:19:36,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:19:36,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950073151] [2022-12-14 15:19:36,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:19:36,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:19:36,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:19:36,668 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 15:19:36,668 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:19:36,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950073151] [2022-12-14 15:19:36,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950073151] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:19:36,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:19:36,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:19:36,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60555328] [2022-12-14 15:19:36,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:19:36,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:19:36,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:19:36,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:19:36,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:19:36,670 INFO L87 Difference]: Start difference. First operand 8386 states and 11524 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 15:19:39,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:19:41,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:19:41,001 INFO L93 Difference]: Finished difference Result 8396 states and 11529 transitions. [2022-12-14 15:19:41,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:19:41,002 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (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 87 [2022-12-14 15:19:41,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:19:41,030 INFO L225 Difference]: With dead ends: 8396 [2022-12-14 15:19:41,030 INFO L226 Difference]: Without dead ends: 8394 [2022-12-14 15:19:41,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:19:41,035 INFO L413 NwaCegarLoop]: 2977 mSDtfsCounter, 2886 mSDsluCounter, 3583 mSDsCounter, 0 mSdLazyCounter, 832 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2890 SdHoareTripleChecker+Valid, 6560 SdHoareTripleChecker+Invalid, 833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 832 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:19:41,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2890 Valid, 6560 Invalid, 833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 832 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2022-12-14 15:19:41,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8394 states. [2022-12-14 15:19:41,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8394 to 8384. [2022-12-14 15:19:41,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8384 states, 4717 states have (on average 1.2404070383718464) internal successors, (5851), 4916 states have internal predecessors, (5851), 2816 states have call successors, (2816), 819 states have call predecessors, (2816), 818 states have return successors, (2855), 2767 states have call predecessors, (2855), 2814 states have call successors, (2855) [2022-12-14 15:19:41,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8384 states to 8384 states and 11522 transitions. [2022-12-14 15:19:41,403 INFO L78 Accepts]: Start accepts. Automaton has 8384 states and 11522 transitions. Word has length 87 [2022-12-14 15:19:41,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:19:41,404 INFO L495 AbstractCegarLoop]: Abstraction has 8384 states and 11522 transitions. [2022-12-14 15:19:41,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 15:19:41,404 INFO L276 IsEmpty]: Start isEmpty. Operand 8384 states and 11522 transitions. [2022-12-14 15:19:41,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-12-14 15:19:41,405 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:19:41,405 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:19:41,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 15:19:41,405 INFO L420 AbstractCegarLoop]: === Iteration 9 === 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 37 more)] === [2022-12-14 15:19:41,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:19:41,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1077284856, now seen corresponding path program 1 times [2022-12-14 15:19:41,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:19:41,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271256275] [2022-12-14 15:19:41,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:19:41,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:19:41,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:19:41,687 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 15:19:41,687 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:19:41,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271256275] [2022-12-14 15:19:41,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271256275] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:19:41,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:19:41,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:19:41,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617829335] [2022-12-14 15:19:41,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:19:41,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:19:41,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:19:41,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:19:41,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:19:41,690 INFO L87 Difference]: Start difference. First operand 8384 states and 11522 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 15:19:44,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:19:46,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:19:46,314 INFO L93 Difference]: Finished difference Result 8394 states and 11527 transitions. [2022-12-14 15:19:46,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:19:46,315 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (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 89 [2022-12-14 15:19:46,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:19:46,336 INFO L225 Difference]: With dead ends: 8394 [2022-12-14 15:19:46,336 INFO L226 Difference]: Without dead ends: 8392 [2022-12-14 15:19:46,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:19:46,340 INFO L413 NwaCegarLoop]: 2975 mSDtfsCounter, 2878 mSDsluCounter, 3585 mSDsCounter, 0 mSdLazyCounter, 832 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2882 SdHoareTripleChecker+Valid, 6560 SdHoareTripleChecker+Invalid, 833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 832 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-12-14 15:19:46,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2882 Valid, 6560 Invalid, 833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 832 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2022-12-14 15:19:46,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8392 states. [2022-12-14 15:19:46,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8392 to 8382. [2022-12-14 15:19:46,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8382 states, 4716 states have (on average 1.2402459711620017) internal successors, (5849), 4914 states have internal predecessors, (5849), 2816 states have call successors, (2816), 819 states have call predecessors, (2816), 818 states have return successors, (2855), 2767 states have call predecessors, (2855), 2814 states have call successors, (2855) [2022-12-14 15:19:46,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8382 states to 8382 states and 11520 transitions. [2022-12-14 15:19:46,718 INFO L78 Accepts]: Start accepts. Automaton has 8382 states and 11520 transitions. Word has length 89 [2022-12-14 15:19:46,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:19:46,718 INFO L495 AbstractCegarLoop]: Abstraction has 8382 states and 11520 transitions. [2022-12-14 15:19:46,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 15:19:46,718 INFO L276 IsEmpty]: Start isEmpty. Operand 8382 states and 11520 transitions. [2022-12-14 15:19:46,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-12-14 15:19:46,719 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:19:46,719 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:19:46,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 15:19:46,719 INFO L420 AbstractCegarLoop]: === Iteration 10 === 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 37 more)] === [2022-12-14 15:19:46,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:19:46,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1177416767, now seen corresponding path program 1 times [2022-12-14 15:19:46,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:19:46,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609213504] [2022-12-14 15:19:46,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:19:46,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:19:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:19:46,963 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 15:19:46,963 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:19:46,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609213504] [2022-12-14 15:19:46,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609213504] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:19:46,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:19:46,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:19:46,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414421739] [2022-12-14 15:19:46,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:19:46,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:19:46,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:19:46,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:19:46,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:19:46,964 INFO L87 Difference]: Start difference. First operand 8382 states and 11520 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 15:19:49,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:19:51,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:19:51,618 INFO L93 Difference]: Finished difference Result 8392 states and 11525 transitions. [2022-12-14 15:19:51,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:19:51,619 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (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 94 [2022-12-14 15:19:51,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:19:51,638 INFO L225 Difference]: With dead ends: 8392 [2022-12-14 15:19:51,638 INFO L226 Difference]: Without dead ends: 8390 [2022-12-14 15:19:51,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:19:51,642 INFO L413 NwaCegarLoop]: 2983 mSDtfsCounter, 2877 mSDsluCounter, 3593 mSDsCounter, 0 mSdLazyCounter, 842 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2881 SdHoareTripleChecker+Valid, 6576 SdHoareTripleChecker+Invalid, 843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 842 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-12-14 15:19:51,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2881 Valid, 6576 Invalid, 843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 842 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2022-12-14 15:19:51,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8390 states. [2022-12-14 15:19:52,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8390 to 8380. [2022-12-14 15:19:52,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8380 states, 4715 states have (on average 1.240084835630965) internal successors, (5847), 4912 states have internal predecessors, (5847), 2816 states have call successors, (2816), 819 states have call predecessors, (2816), 818 states have return successors, (2855), 2767 states have call predecessors, (2855), 2814 states have call successors, (2855) [2022-12-14 15:19:52,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8380 states to 8380 states and 11518 transitions. [2022-12-14 15:19:52,036 INFO L78 Accepts]: Start accepts. Automaton has 8380 states and 11518 transitions. Word has length 94 [2022-12-14 15:19:52,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:19:52,036 INFO L495 AbstractCegarLoop]: Abstraction has 8380 states and 11518 transitions. [2022-12-14 15:19:52,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 15:19:52,036 INFO L276 IsEmpty]: Start isEmpty. Operand 8380 states and 11518 transitions. [2022-12-14 15:19:52,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-12-14 15:19:52,037 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:19:52,037 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:19:52,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 15:19:52,037 INFO L420 AbstractCegarLoop]: === Iteration 11 === 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 37 more)] === [2022-12-14 15:19:52,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:19:52,038 INFO L85 PathProgramCache]: Analyzing trace with hash -911320402, now seen corresponding path program 1 times [2022-12-14 15:19:52,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:19:52,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842160077] [2022-12-14 15:19:52,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:19:52,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:19:52,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:19:52,270 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 15:19:52,270 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:19:52,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842160077] [2022-12-14 15:19:52,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842160077] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:19:52,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:19:52,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:19:52,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044933407] [2022-12-14 15:19:52,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:19:52,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:19:52,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:19:52,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:19:52,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:19:52,272 INFO L87 Difference]: Start difference. First operand 8380 states and 11518 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 15:19:54,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:19:56,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:19:56,704 INFO L93 Difference]: Finished difference Result 8390 states and 11523 transitions. [2022-12-14 15:19:56,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:19:56,705 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (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 99 [2022-12-14 15:19:56,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:19:56,721 INFO L225 Difference]: With dead ends: 8390 [2022-12-14 15:19:56,721 INFO L226 Difference]: Without dead ends: 8388 [2022-12-14 15:19:56,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:19:56,724 INFO L413 NwaCegarLoop]: 2971 mSDtfsCounter, 2874 mSDsluCounter, 3581 mSDsCounter, 0 mSdLazyCounter, 832 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2878 SdHoareTripleChecker+Valid, 6552 SdHoareTripleChecker+Invalid, 833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 832 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:19:56,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2878 Valid, 6552 Invalid, 833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 832 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2022-12-14 15:19:56,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8388 states. [2022-12-14 15:19:57,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8388 to 8378. [2022-12-14 15:19:57,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8378 states, 4714 states have (on average 1.2399236317352567) internal successors, (5845), 4910 states have internal predecessors, (5845), 2816 states have call successors, (2816), 819 states have call predecessors, (2816), 818 states have return successors, (2855), 2767 states have call predecessors, (2855), 2814 states have call successors, (2855) [2022-12-14 15:19:57,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8378 states to 8378 states and 11516 transitions. [2022-12-14 15:19:57,137 INFO L78 Accepts]: Start accepts. Automaton has 8378 states and 11516 transitions. Word has length 99 [2022-12-14 15:19:57,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:19:57,138 INFO L495 AbstractCegarLoop]: Abstraction has 8378 states and 11516 transitions. [2022-12-14 15:19:57,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 15:19:57,138 INFO L276 IsEmpty]: Start isEmpty. Operand 8378 states and 11516 transitions. [2022-12-14 15:19:57,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-12-14 15:19:57,139 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:19:57,139 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-12-14 15:19:57,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 15:19:57,139 INFO L420 AbstractCegarLoop]: === Iteration 12 === 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 37 more)] === [2022-12-14 15:19:57,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:19:57,139 INFO L85 PathProgramCache]: Analyzing trace with hash 686378734, now seen corresponding path program 1 times [2022-12-14 15:19:57,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:19:57,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191855447] [2022-12-14 15:19:57,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:19:57,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:19:57,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:19:57,354 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 15:19:57,354 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:19:57,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191855447] [2022-12-14 15:19:57,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191855447] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:19:57,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:19:57,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:19:57,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190512229] [2022-12-14 15:19:57,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:19:57,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:19:57,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:19:57,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:19:57,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:19:57,355 INFO L87 Difference]: Start difference. First operand 8378 states and 11516 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, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-14 15:19:59,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:20:01,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:20:01,764 INFO L93 Difference]: Finished difference Result 8388 states and 11521 transitions. [2022-12-14 15:20:01,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:20:01,764 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, (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 104 [2022-12-14 15:20:01,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:20:01,778 INFO L225 Difference]: With dead ends: 8388 [2022-12-14 15:20:01,779 INFO L226 Difference]: Without dead ends: 8386 [2022-12-14 15:20:01,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:20:01,781 INFO L413 NwaCegarLoop]: 2979 mSDtfsCounter, 2871 mSDsluCounter, 3589 mSDsCounter, 0 mSdLazyCounter, 842 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2875 SdHoareTripleChecker+Valid, 6568 SdHoareTripleChecker+Invalid, 843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 842 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-12-14 15:20:01,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2875 Valid, 6568 Invalid, 843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 842 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2022-12-14 15:20:01,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8386 states. [2022-12-14 15:20:02,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8386 to 8376. [2022-12-14 15:20:02,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8376 states, 4713 states have (on average 1.23976235943136) internal successors, (5843), 4908 states have internal predecessors, (5843), 2816 states have call successors, (2816), 819 states have call predecessors, (2816), 818 states have return successors, (2855), 2767 states have call predecessors, (2855), 2814 states have call successors, (2855) [2022-12-14 15:20:02,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8376 states to 8376 states and 11514 transitions. [2022-12-14 15:20:02,224 INFO L78 Accepts]: Start accepts. Automaton has 8376 states and 11514 transitions. Word has length 104 [2022-12-14 15:20:02,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:20:02,224 INFO L495 AbstractCegarLoop]: Abstraction has 8376 states and 11514 transitions. [2022-12-14 15:20:02,224 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, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-14 15:20:02,224 INFO L276 IsEmpty]: Start isEmpty. Operand 8376 states and 11514 transitions. [2022-12-14 15:20:02,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-12-14 15:20:02,226 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:20:02,226 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:20:02,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 15:20:02,226 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_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 37 more)] === [2022-12-14 15:20:02,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:20:02,226 INFO L85 PathProgramCache]: Analyzing trace with hash -829361894, now seen corresponding path program 1 times [2022-12-14 15:20:02,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:20:02,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933529714] [2022-12-14 15:20:02,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:20:02,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:20:02,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:20:03,104 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-12-14 15:20:03,104 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:20:03,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933529714] [2022-12-14 15:20:03,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933529714] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:20:03,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1497744576] [2022-12-14 15:20:03,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:20:03,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:20:03,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:20:03,106 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:20:03,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 15:20:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:20:03,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 3356 conjuncts, 29 conjunts are in the unsatisfiable core [2022-12-14 15:20:03,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:20:03,998 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-12-14 15:20:03,998 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:20:03,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1497744576] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:20:03,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 15:20:03,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2022-12-14 15:20:03,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330564876] [2022-12-14 15:20:03,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:20:03,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 15:20:03,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:20:03,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 15:20:03,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-12-14 15:20:03,999 INFO L87 Difference]: Start difference. First operand 8376 states and 11514 transitions. Second operand has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 4 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 15:20:06,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:20:11,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:20:11,545 INFO L93 Difference]: Finished difference Result 17543 states and 24368 transitions. [2022-12-14 15:20:11,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 15:20:11,546 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 4 states have call predecessors, (21), 2 states have call successors, (21) Word has length 137 [2022-12-14 15:20:11,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:20:11,570 INFO L225 Difference]: With dead ends: 17543 [2022-12-14 15:20:11,571 INFO L226 Difference]: Without dead ends: 9176 [2022-12-14 15:20:11,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-12-14 15:20:11,592 INFO L413 NwaCegarLoop]: 3023 mSDtfsCounter, 133 mSDsluCounter, 14863 mSDsCounter, 0 mSdLazyCounter, 2334 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 17886 SdHoareTripleChecker+Invalid, 2335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2334 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-12-14 15:20:11,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 17886 Invalid, 2335 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2334 Invalid, 1 Unknown, 0 Unchecked, 6.8s Time] [2022-12-14 15:20:11,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9176 states. [2022-12-14 15:20:12,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9176 to 8382. [2022-12-14 15:20:12,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8382 states, 4717 states have (on average 1.239559041763833) internal successors, (5847), 4912 states have internal predecessors, (5847), 2816 states have call successors, (2816), 819 states have call predecessors, (2816), 820 states have return successors, (2866), 2769 states have call predecessors, (2866), 2814 states have call successors, (2866) [2022-12-14 15:20:12,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8382 states to 8382 states and 11529 transitions. [2022-12-14 15:20:12,178 INFO L78 Accepts]: Start accepts. Automaton has 8382 states and 11529 transitions. Word has length 137 [2022-12-14 15:20:12,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:20:12,178 INFO L495 AbstractCegarLoop]: Abstraction has 8382 states and 11529 transitions. [2022-12-14 15:20:12,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 4 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 15:20:12,178 INFO L276 IsEmpty]: Start isEmpty. Operand 8382 states and 11529 transitions. [2022-12-14 15:20:12,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-12-14 15:20:12,179 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:20:12,179 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-12-14 15:20:12,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 15:20:12,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-12-14 15:20:12,381 INFO L420 AbstractCegarLoop]: === Iteration 14 === 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 37 more)] === [2022-12-14 15:20:12,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:20:12,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1036593515, now seen corresponding path program 1 times [2022-12-14 15:20:12,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:20:12,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861598978] [2022-12-14 15:20:12,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:20:12,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:20:12,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:20:12,653 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 15:20:12,653 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:20:12,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861598978] [2022-12-14 15:20:12,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861598978] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:20:12,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:20:12,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:20:12,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063592469] [2022-12-14 15:20:12,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:20:12,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:20:12,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:20:12,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:20:12,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:20:12,655 INFO L87 Difference]: Start difference. First operand 8382 states and 11529 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 15:20:15,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:20:17,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:20:17,334 INFO L93 Difference]: Finished difference Result 8392 states and 11534 transitions. [2022-12-14 15:20:17,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:20:17,334 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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 109 [2022-12-14 15:20:17,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:20:17,351 INFO L225 Difference]: With dead ends: 8392 [2022-12-14 15:20:17,351 INFO L226 Difference]: Without dead ends: 8390 [2022-12-14 15:20:17,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:20:17,354 INFO L413 NwaCegarLoop]: 3033 mSDtfsCounter, 2868 mSDsluCounter, 3643 mSDsCounter, 0 mSdLazyCounter, 890 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2872 SdHoareTripleChecker+Valid, 6676 SdHoareTripleChecker+Invalid, 891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 890 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:20:17,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2872 Valid, 6676 Invalid, 891 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 890 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2022-12-14 15:20:17,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8390 states. [2022-12-14 15:20:17,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8390 to 8380. [2022-12-14 15:20:17,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8380 states, 4716 states have (on average 1.2393977947413062) internal successors, (5845), 4910 states have internal predecessors, (5845), 2816 states have call successors, (2816), 819 states have call predecessors, (2816), 820 states have return successors, (2866), 2769 states have call predecessors, (2866), 2814 states have call successors, (2866) [2022-12-14 15:20:17,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8380 states to 8380 states and 11527 transitions. [2022-12-14 15:20:17,863 INFO L78 Accepts]: Start accepts. Automaton has 8380 states and 11527 transitions. Word has length 109 [2022-12-14 15:20:17,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:20:17,863 INFO L495 AbstractCegarLoop]: Abstraction has 8380 states and 11527 transitions. [2022-12-14 15:20:17,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 15:20:17,864 INFO L276 IsEmpty]: Start isEmpty. Operand 8380 states and 11527 transitions. [2022-12-14 15:20:17,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-12-14 15:20:17,865 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:20:17,865 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-14 15:20:17,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 15:20:17,865 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_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 37 more)] === [2022-12-14 15:20:17,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:20:17,865 INFO L85 PathProgramCache]: Analyzing trace with hash 821645740, now seen corresponding path program 1 times [2022-12-14 15:20:17,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:20:17,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117926887] [2022-12-14 15:20:17,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:20:17,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:20:17,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:20:18,481 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2022-12-14 15:20:18,481 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:20:18,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117926887] [2022-12-14 15:20:18,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117926887] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:20:18,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256088754] [2022-12-14 15:20:18,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:20:18,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:20:18,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:20:18,483 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:20:18,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 15:20:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:20:19,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 3454 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-14 15:20:19,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:20:19,216 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2022-12-14 15:20:19,216 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:20:19,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256088754] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:20:19,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 15:20:19,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 7 [2022-12-14 15:20:19,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502461522] [2022-12-14 15:20:19,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:20:19,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 15:20:19,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:20:19,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 15:20:19,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-14 15:20:19,217 INFO L87 Difference]: Start difference. First operand 8380 states and 11527 transitions. Second operand has 7 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (23), 4 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 15:20:21,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:20:26,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:20:26,734 INFO L93 Difference]: Finished difference Result 17548 states and 24382 transitions. [2022-12-14 15:20:26,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 15:20:26,735 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (23), 4 states have call predecessors, (23), 2 states have call successors, (23) Word has length 163 [2022-12-14 15:20:26,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:20:26,755 INFO L225 Difference]: With dead ends: 17548 [2022-12-14 15:20:26,755 INFO L226 Difference]: Without dead ends: 9174 [2022-12-14 15:20:26,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-14 15:20:26,773 INFO L413 NwaCegarLoop]: 2787 mSDtfsCounter, 132 mSDsluCounter, 13778 mSDsCounter, 0 mSdLazyCounter, 2143 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 16565 SdHoareTripleChecker+Invalid, 2144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2143 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-12-14 15:20:26,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 16565 Invalid, 2144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2143 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2022-12-14 15:20:26,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9174 states. [2022-12-14 15:20:27,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9174 to 8382. [2022-12-14 15:20:27,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8382 states, 4718 states have (on average 1.2392963119966087) internal successors, (5847), 4911 states have internal predecessors, (5847), 2816 states have call successors, (2816), 819 states have call predecessors, (2816), 820 states have return successors, (2866), 2770 states have call predecessors, (2866), 2814 states have call successors, (2866) [2022-12-14 15:20:27,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8382 states to 8382 states and 11529 transitions. [2022-12-14 15:20:27,313 INFO L78 Accepts]: Start accepts. Automaton has 8382 states and 11529 transitions. Word has length 163 [2022-12-14 15:20:27,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:20:27,313 INFO L495 AbstractCegarLoop]: Abstraction has 8382 states and 11529 transitions. [2022-12-14 15:20:27,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (23), 4 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 15:20:27,314 INFO L276 IsEmpty]: Start isEmpty. Operand 8382 states and 11529 transitions. [2022-12-14 15:20:27,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-12-14 15:20:27,315 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:20:27,315 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-14 15:20:27,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 15:20:27,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-12-14 15:20:27,517 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_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 37 more)] === [2022-12-14 15:20:27,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:20:27,518 INFO L85 PathProgramCache]: Analyzing trace with hash -346973506, now seen corresponding path program 2 times [2022-12-14 15:20:27,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:20:27,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720763171] [2022-12-14 15:20:27,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:20:27,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:20:27,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:20:28,485 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2022-12-14 15:20:28,485 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:20:28,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720763171] [2022-12-14 15:20:28,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720763171] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:20:28,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:20:28,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 15:20:28,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359286596] [2022-12-14 15:20:28,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:20:28,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 15:20:28,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:20:28,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 15:20:28,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 15:20:28,488 INFO L87 Difference]: Start difference. First operand 8382 states and 11529 transitions. Second operand has 6 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 15:20:31,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:20:39,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:20:39,168 INFO L93 Difference]: Finished difference Result 16257 states and 22835 transitions. [2022-12-14 15:20:39,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 15:20:39,169 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 163 [2022-12-14 15:20:39,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:20:39,210 INFO L225 Difference]: With dead ends: 16257 [2022-12-14 15:20:39,210 INFO L226 Difference]: Without dead ends: 16255 [2022-12-14 15:20:39,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-12-14 15:20:39,216 INFO L413 NwaCegarLoop]: 4106 mSDtfsCounter, 2910 mSDsluCounter, 13464 mSDsCounter, 0 mSdLazyCounter, 3698 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2914 SdHoareTripleChecker+Valid, 17570 SdHoareTripleChecker+Invalid, 3701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3698 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-12-14 15:20:39,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2914 Valid, 17570 Invalid, 3701 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3698 Invalid, 1 Unknown, 0 Unchecked, 9.2s Time] [2022-12-14 15:20:39,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16255 states. [2022-12-14 15:20:40,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16255 to 15750. [2022-12-14 15:20:40,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15750 states, 8893 states have (on average 1.2422129764983696) internal successors, (11047), 9203 states have internal predecessors, (11047), 5279 states have call successors, (5279), 1532 states have call predecessors, (5279), 1550 states have return successors, (5797), 5232 states have call predecessors, (5797), 5277 states have call successors, (5797) [2022-12-14 15:20:40,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15750 states to 15750 states and 22123 transitions. [2022-12-14 15:20:40,521 INFO L78 Accepts]: Start accepts. Automaton has 15750 states and 22123 transitions. Word has length 163 [2022-12-14 15:20:40,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:20:40,521 INFO L495 AbstractCegarLoop]: Abstraction has 15750 states and 22123 transitions. [2022-12-14 15:20:40,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 15:20:40,521 INFO L276 IsEmpty]: Start isEmpty. Operand 15750 states and 22123 transitions. [2022-12-14 15:20:40,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-12-14 15:20:40,523 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:20:40,523 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:20:40,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 15:20:40,524 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-12-14 15:20:40,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:20:40,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1770598738, now seen corresponding path program 1 times [2022-12-14 15:20:40,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:20:40,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354578996] [2022-12-14 15:20:40,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:20:40,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:20:40,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:20:40,741 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2022-12-14 15:20:40,741 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:20:40,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354578996] [2022-12-14 15:20:40,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354578996] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:20:40,742 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:20:40,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:20:40,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663125265] [2022-12-14 15:20:40,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:20:40,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:20:40,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:20:40,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:20:40,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:20:40,743 INFO L87 Difference]: Start difference. First operand 15750 states and 22123 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 15:20:42,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:20:45,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:20:45,746 INFO L93 Difference]: Finished difference Result 31452 states and 44849 transitions. [2022-12-14 15:20:45,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:20:45,747 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 179 [2022-12-14 15:20:45,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:20:45,816 INFO L225 Difference]: With dead ends: 31452 [2022-12-14 15:20:45,816 INFO L226 Difference]: Without dead ends: 15742 [2022-12-14 15:20:45,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:20:45,896 INFO L413 NwaCegarLoop]: 3051 mSDtfsCounter, 2852 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2854 SdHoareTripleChecker+Valid, 3659 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-12-14 15:20:45,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2854 Valid, 3659 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 493 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-12-14 15:20:45,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15742 states. [2022-12-14 15:20:47,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15742 to 15734. [2022-12-14 15:20:47,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15734 states, 8877 states have (on average 1.2408471330404416) internal successors, (11015), 9187 states have internal predecessors, (11015), 5279 states have call successors, (5279), 1532 states have call predecessors, (5279), 1550 states have return successors, (5797), 5232 states have call predecessors, (5797), 5277 states have call successors, (5797) [2022-12-14 15:20:47,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15734 states to 15734 states and 22091 transitions. [2022-12-14 15:20:47,290 INFO L78 Accepts]: Start accepts. Automaton has 15734 states and 22091 transitions. Word has length 179 [2022-12-14 15:20:47,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:20:47,291 INFO L495 AbstractCegarLoop]: Abstraction has 15734 states and 22091 transitions. [2022-12-14 15:20:47,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 15:20:47,291 INFO L276 IsEmpty]: Start isEmpty. Operand 15734 states and 22091 transitions. [2022-12-14 15:20:47,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-12-14 15:20:47,292 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:20:47,292 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-12-14 15:20:47,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 15:20:47,293 INFO L420 AbstractCegarLoop]: === Iteration 18 === 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 37 more)] === [2022-12-14 15:20:47,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:20:47,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1935574202, now seen corresponding path program 1 times [2022-12-14 15:20:47,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:20:47,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962831738] [2022-12-14 15:20:47,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:20:47,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:20:47,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:20:47,472 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 15:20:47,472 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:20:47,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962831738] [2022-12-14 15:20:47,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962831738] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:20:47,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:20:47,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:20:47,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450956883] [2022-12-14 15:20:47,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:20:47,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:20:47,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:20:47,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:20:47,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:20:47,474 INFO L87 Difference]: Start difference. First operand 15734 states and 22091 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-14 15:20:49,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:20:53,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:20:53,101 INFO L93 Difference]: Finished difference Result 15742 states and 22095 transitions. [2022-12-14 15:20:53,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:20:53,102 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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 114 [2022-12-14 15:20:53,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:20:53,144 INFO L225 Difference]: With dead ends: 15742 [2022-12-14 15:20:53,145 INFO L226 Difference]: Without dead ends: 15740 [2022-12-14 15:20:53,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:20:53,151 INFO L413 NwaCegarLoop]: 3049 mSDtfsCounter, 2860 mSDsluCounter, 3659 mSDsCounter, 0 mSdLazyCounter, 894 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2864 SdHoareTripleChecker+Valid, 6708 SdHoareTripleChecker+Invalid, 895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 894 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-12-14 15:20:53,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2864 Valid, 6708 Invalid, 895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 894 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2022-12-14 15:20:53,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15740 states. [2022-12-14 15:20:54,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15740 to 15732. [2022-12-14 15:20:54,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15732 states, 8876 states have (on average 1.240761604326273) internal successors, (11013), 9185 states have internal predecessors, (11013), 5279 states have call successors, (5279), 1532 states have call predecessors, (5279), 1550 states have return successors, (5797), 5232 states have call predecessors, (5797), 5277 states have call successors, (5797) [2022-12-14 15:20:54,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15732 states to 15732 states and 22089 transitions. [2022-12-14 15:20:54,278 INFO L78 Accepts]: Start accepts. Automaton has 15732 states and 22089 transitions. Word has length 114 [2022-12-14 15:20:54,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:20:54,279 INFO L495 AbstractCegarLoop]: Abstraction has 15732 states and 22089 transitions. [2022-12-14 15:20:54,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-14 15:20:54,279 INFO L276 IsEmpty]: Start isEmpty. Operand 15732 states and 22089 transitions. [2022-12-14 15:20:54,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-12-14 15:20:54,280 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:20:54,280 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-12-14 15:20:54,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 15:20:54,280 INFO L420 AbstractCegarLoop]: === Iteration 19 === 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 37 more)] === [2022-12-14 15:20:54,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:20:54,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1115213129, now seen corresponding path program 1 times [2022-12-14 15:20:54,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:20:54,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480034321] [2022-12-14 15:20:54,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:20:54,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:20:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:20:54,494 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 15:20:54,495 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:20:54,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480034321] [2022-12-14 15:20:54,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480034321] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:20:54,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:20:54,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:20:54,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025399549] [2022-12-14 15:20:54,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:20:54,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:20:54,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:20:54,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:20:54,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:20:54,496 INFO L87 Difference]: Start difference. First operand 15732 states and 22089 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 15:20:56,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:20:59,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:20:59,918 INFO L93 Difference]: Finished difference Result 15740 states and 22093 transitions. [2022-12-14 15:20:59,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:20:59,919 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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 119 [2022-12-14 15:20:59,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:20:59,961 INFO L225 Difference]: With dead ends: 15740 [2022-12-14 15:20:59,961 INFO L226 Difference]: Without dead ends: 15738 [2022-12-14 15:20:59,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:20:59,968 INFO L413 NwaCegarLoop]: 3047 mSDtfsCounter, 2857 mSDsluCounter, 3657 mSDsCounter, 0 mSdLazyCounter, 894 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2861 SdHoareTripleChecker+Valid, 6704 SdHoareTripleChecker+Invalid, 895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 894 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-12-14 15:20:59,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2861 Valid, 6704 Invalid, 895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 894 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2022-12-14 15:20:59,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15738 states. [2022-12-14 15:21:01,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15738 to 15730. [2022-12-14 15:21:01,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15730 states, 8875 states have (on average 1.2406760563380281) internal successors, (11011), 9183 states have internal predecessors, (11011), 5279 states have call successors, (5279), 1532 states have call predecessors, (5279), 1550 states have return successors, (5797), 5232 states have call predecessors, (5797), 5277 states have call successors, (5797) [2022-12-14 15:21:01,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15730 states to 15730 states and 22087 transitions. [2022-12-14 15:21:01,251 INFO L78 Accepts]: Start accepts. Automaton has 15730 states and 22087 transitions. Word has length 119 [2022-12-14 15:21:01,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:21:01,251 INFO L495 AbstractCegarLoop]: Abstraction has 15730 states and 22087 transitions. [2022-12-14 15:21:01,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 15:21:01,251 INFO L276 IsEmpty]: Start isEmpty. Operand 15730 states and 22087 transitions. [2022-12-14 15:21:01,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-12-14 15:21:01,253 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:21:01,253 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:21:01,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-14 15:21:01,253 INFO L420 AbstractCegarLoop]: === Iteration 20 === 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 37 more)] === [2022-12-14 15:21:01,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:21:01,253 INFO L85 PathProgramCache]: Analyzing trace with hash -2017725688, now seen corresponding path program 1 times [2022-12-14 15:21:01,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:21:01,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914318936] [2022-12-14 15:21:01,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:21:01,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:21:01,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:21:01,638 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 15:21:01,638 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:21:01,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914318936] [2022-12-14 15:21:01,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914318936] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:21:01,639 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:21:01,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:21:01,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081006752] [2022-12-14 15:21:01,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:21:01,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:21:01,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:21:01,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:21:01,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:21:01,641 INFO L87 Difference]: Start difference. First operand 15730 states and 22087 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-14 15:21:04,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:21:07,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:21:07,377 INFO L93 Difference]: Finished difference Result 15738 states and 22091 transitions. [2022-12-14 15:21:07,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:21:07,377 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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 124 [2022-12-14 15:21:07,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:21:07,416 INFO L225 Difference]: With dead ends: 15738 [2022-12-14 15:21:07,416 INFO L226 Difference]: Without dead ends: 15736 [2022-12-14 15:21:07,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:21:07,423 INFO L413 NwaCegarLoop]: 3045 mSDtfsCounter, 2854 mSDsluCounter, 3655 mSDsCounter, 0 mSdLazyCounter, 894 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2858 SdHoareTripleChecker+Valid, 6700 SdHoareTripleChecker+Invalid, 895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 894 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-12-14 15:21:07,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2858 Valid, 6700 Invalid, 895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 894 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2022-12-14 15:21:07,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15736 states. [2022-12-14 15:21:08,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15736 to 15728. [2022-12-14 15:21:08,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15728 states, 8874 states have (on average 1.240590489069191) internal successors, (11009), 9181 states have internal predecessors, (11009), 5279 states have call successors, (5279), 1532 states have call predecessors, (5279), 1550 states have return successors, (5797), 5232 states have call predecessors, (5797), 5277 states have call successors, (5797) [2022-12-14 15:21:08,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15728 states to 15728 states and 22085 transitions. [2022-12-14 15:21:08,748 INFO L78 Accepts]: Start accepts. Automaton has 15728 states and 22085 transitions. Word has length 124 [2022-12-14 15:21:08,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:21:08,748 INFO L495 AbstractCegarLoop]: Abstraction has 15728 states and 22085 transitions. [2022-12-14 15:21:08,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-14 15:21:08,749 INFO L276 IsEmpty]: Start isEmpty. Operand 15728 states and 22085 transitions. [2022-12-14 15:21:08,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-12-14 15:21:08,750 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:21:08,750 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-12-14 15:21:08,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-14 15:21:08,750 INFO L420 AbstractCegarLoop]: === Iteration 21 === 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 37 more)] === [2022-12-14 15:21:08,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:21:08,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1466461349, now seen corresponding path program 1 times [2022-12-14 15:21:08,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:21:08,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878654583] [2022-12-14 15:21:08,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:21:08,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:21:08,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:21:08,941 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 15:21:08,942 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:21:08,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878654583] [2022-12-14 15:21:08,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878654583] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:21:08,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:21:08,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:21:08,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012174548] [2022-12-14 15:21:08,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:21:08,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:21:08,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:21:08,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:21:08,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:21:08,943 INFO L87 Difference]: Start difference. First operand 15728 states and 22085 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-14 15:21:11,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:21:14,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:21:14,539 INFO L93 Difference]: Finished difference Result 15736 states and 22089 transitions. [2022-12-14 15:21:14,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:21:14,540 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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 129 [2022-12-14 15:21:14,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:21:14,576 INFO L225 Difference]: With dead ends: 15736 [2022-12-14 15:21:14,576 INFO L226 Difference]: Without dead ends: 15734 [2022-12-14 15:21:14,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:21:14,582 INFO L413 NwaCegarLoop]: 3043 mSDtfsCounter, 2851 mSDsluCounter, 3653 mSDsCounter, 0 mSdLazyCounter, 894 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2855 SdHoareTripleChecker+Valid, 6696 SdHoareTripleChecker+Invalid, 895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 894 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-12-14 15:21:14,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2855 Valid, 6696 Invalid, 895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 894 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2022-12-14 15:21:14,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15734 states. [2022-12-14 15:21:16,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15734 to 15726. [2022-12-14 15:21:16,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15726 states, 8873 states have (on average 1.2405049025132424) internal successors, (11007), 9179 states have internal predecessors, (11007), 5279 states have call successors, (5279), 1532 states have call predecessors, (5279), 1550 states have return successors, (5797), 5232 states have call predecessors, (5797), 5277 states have call successors, (5797) [2022-12-14 15:21:16,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15726 states to 15726 states and 22083 transitions. [2022-12-14 15:21:16,274 INFO L78 Accepts]: Start accepts. Automaton has 15726 states and 22083 transitions. Word has length 129 [2022-12-14 15:21:16,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:21:16,274 INFO L495 AbstractCegarLoop]: Abstraction has 15726 states and 22083 transitions. [2022-12-14 15:21:16,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-14 15:21:16,274 INFO L276 IsEmpty]: Start isEmpty. Operand 15726 states and 22083 transitions. [2022-12-14 15:21:16,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-12-14 15:21:16,275 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:21:16,275 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:21:16,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-14 15:21:16,276 INFO L420 AbstractCegarLoop]: === Iteration 22 === 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 37 more)] === [2022-12-14 15:21:16,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:21:16,276 INFO L85 PathProgramCache]: Analyzing trace with hash 698025646, now seen corresponding path program 1 times [2022-12-14 15:21:16,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:21:16,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394739967] [2022-12-14 15:21:16,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:21:16,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:21:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:21:16,464 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 15:21:16,465 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:21:16,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394739967] [2022-12-14 15:21:16,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394739967] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:21:16,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:21:16,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:21:16,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979724307] [2022-12-14 15:21:16,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:21:16,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:21:16,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:21:16,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:21:16,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:21:16,466 INFO L87 Difference]: Start difference. First operand 15726 states and 22083 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-14 15:21:18,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:21:22,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:21:22,319 INFO L93 Difference]: Finished difference Result 15734 states and 22087 transitions. [2022-12-14 15:21:22,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:21:22,320 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 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 134 [2022-12-14 15:21:22,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:21:22,351 INFO L225 Difference]: With dead ends: 15734 [2022-12-14 15:21:22,352 INFO L226 Difference]: Without dead ends: 15732 [2022-12-14 15:21:22,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:21:22,356 INFO L413 NwaCegarLoop]: 3041 mSDtfsCounter, 2848 mSDsluCounter, 3651 mSDsCounter, 0 mSdLazyCounter, 894 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2852 SdHoareTripleChecker+Valid, 6692 SdHoareTripleChecker+Invalid, 895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 894 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-12-14 15:21:22,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2852 Valid, 6692 Invalid, 895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 894 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2022-12-14 15:21:22,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15732 states. [2022-12-14 15:21:23,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15732 to 15724. [2022-12-14 15:21:23,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15724 states, 8872 states have (on average 1.240419296663661) internal successors, (11005), 9177 states have internal predecessors, (11005), 5279 states have call successors, (5279), 1532 states have call predecessors, (5279), 1550 states have return successors, (5797), 5232 states have call predecessors, (5797), 5277 states have call successors, (5797) [2022-12-14 15:21:23,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15724 states to 15724 states and 22081 transitions. [2022-12-14 15:21:23,728 INFO L78 Accepts]: Start accepts. Automaton has 15724 states and 22081 transitions. Word has length 134 [2022-12-14 15:21:23,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:21:23,728 INFO L495 AbstractCegarLoop]: Abstraction has 15724 states and 22081 transitions. [2022-12-14 15:21:23,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-14 15:21:23,728 INFO L276 IsEmpty]: Start isEmpty. Operand 15724 states and 22081 transitions. [2022-12-14 15:21:23,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-12-14 15:21:23,730 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:21:23,730 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:21:23,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-14 15:21:23,730 INFO L420 AbstractCegarLoop]: === Iteration 23 === 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 37 more)] === [2022-12-14 15:21:23,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:21:23,730 INFO L85 PathProgramCache]: Analyzing trace with hash -792376937, now seen corresponding path program 1 times [2022-12-14 15:21:23,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:21:23,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250125091] [2022-12-14 15:21:23,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:21:23,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:21:23,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:21:24,146 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2022-12-14 15:21:24,146 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:21:24,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250125091] [2022-12-14 15:21:24,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250125091] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:21:24,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:21:24,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:21:24,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71238330] [2022-12-14 15:21:24,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:21:24,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:21:24,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:21:24,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:21:24,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:21:24,148 INFO L87 Difference]: Start difference. First operand 15724 states and 22081 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, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-14 15:21:26,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:21:30,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:21:30,534 INFO L93 Difference]: Finished difference Result 15838 states and 22174 transitions. [2022-12-14 15:21:30,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 15:21:30,535 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, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 170 [2022-12-14 15:21:30,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:21:30,572 INFO L225 Difference]: With dead ends: 15838 [2022-12-14 15:21:30,572 INFO L226 Difference]: Without dead ends: 15836 [2022-12-14 15:21:30,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 15:21:30,579 INFO L413 NwaCegarLoop]: 3032 mSDtfsCounter, 2824 mSDsluCounter, 6679 mSDsCounter, 0 mSdLazyCounter, 1314 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2831 SdHoareTripleChecker+Valid, 9711 SdHoareTripleChecker+Invalid, 1317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1314 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-12-14 15:21:30,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2831 Valid, 9711 Invalid, 1317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1314 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2022-12-14 15:21:30,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15836 states. [2022-12-14 15:21:31,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15836 to 15828. [2022-12-14 15:21:31,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15828 states, 8944 states have (on average 1.2393783542039356) internal successors, (11085), 9249 states have internal predecessors, (11085), 5279 states have call successors, (5279), 1564 states have call predecessors, (5279), 1582 states have return successors, (5797), 5232 states have call predecessors, (5797), 5277 states have call successors, (5797) [2022-12-14 15:21:32,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15828 states to 15828 states and 22161 transitions. [2022-12-14 15:21:32,049 INFO L78 Accepts]: Start accepts. Automaton has 15828 states and 22161 transitions. Word has length 170 [2022-12-14 15:21:32,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:21:32,049 INFO L495 AbstractCegarLoop]: Abstraction has 15828 states and 22161 transitions. [2022-12-14 15:21:32,049 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, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-14 15:21:32,049 INFO L276 IsEmpty]: Start isEmpty. Operand 15828 states and 22161 transitions. [2022-12-14 15:21:32,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-12-14 15:21:32,051 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:21:32,051 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:21:32,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-14 15:21:32,051 INFO L420 AbstractCegarLoop]: === Iteration 24 === 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 37 more)] === [2022-12-14 15:21:32,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:21:32,051 INFO L85 PathProgramCache]: Analyzing trace with hash -253509387, now seen corresponding path program 1 times [2022-12-14 15:21:32,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:21:32,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387587822] [2022-12-14 15:21:32,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:21:32,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:21:32,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:21:32,228 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2022-12-14 15:21:32,228 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:21:32,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387587822] [2022-12-14 15:21:32,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387587822] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:21:32,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:21:32,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:21:32,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672696256] [2022-12-14 15:21:32,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:21:32,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:21:32,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:21:32,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:21:32,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:21:32,229 INFO L87 Difference]: Start difference. First operand 15828 states and 22161 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-14 15:21:34,461 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 [] [2022-12-14 15:21:37,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:21:37,115 INFO L93 Difference]: Finished difference Result 31606 states and 44240 transitions. [2022-12-14 15:21:37,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:21:37,115 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 198 [2022-12-14 15:21:37,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:21:37,160 INFO L225 Difference]: With dead ends: 31606 [2022-12-14 15:21:37,160 INFO L226 Difference]: Without dead ends: 15818 [2022-12-14 15:21:37,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:21:37,203 INFO L413 NwaCegarLoop]: 3024 mSDtfsCounter, 2870 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2872 SdHoareTripleChecker+Valid, 3634 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-12-14 15:21:37,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2872 Valid, 3634 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 488 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-12-14 15:21:37,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15818 states. [2022-12-14 15:21:38,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15818 to 15810. [2022-12-14 15:21:38,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15810 states, 8927 states have (on average 1.2380418953735857) internal successors, (11052), 9231 states have internal predecessors, (11052), 5279 states have call successors, (5279), 1564 states have call predecessors, (5279), 1582 states have return successors, (5797), 5232 states have call predecessors, (5797), 5277 states have call successors, (5797) [2022-12-14 15:21:38,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15810 states to 15810 states and 22128 transitions. [2022-12-14 15:21:38,725 INFO L78 Accepts]: Start accepts. Automaton has 15810 states and 22128 transitions. Word has length 198 [2022-12-14 15:21:38,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:21:38,726 INFO L495 AbstractCegarLoop]: Abstraction has 15810 states and 22128 transitions. [2022-12-14 15:21:38,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-14 15:21:38,726 INFO L276 IsEmpty]: Start isEmpty. Operand 15810 states and 22128 transitions. [2022-12-14 15:21:38,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-12-14 15:21:38,728 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:21:38,728 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-12-14 15:21:38,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-14 15:21:38,728 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 37 more)] === [2022-12-14 15:21:38,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:21:38,729 INFO L85 PathProgramCache]: Analyzing trace with hash 750894377, now seen corresponding path program 1 times [2022-12-14 15:21:38,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:21:38,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028119900] [2022-12-14 15:21:38,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:21:38,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:21:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:21:38,962 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 15:21:38,962 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:21:38,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028119900] [2022-12-14 15:21:38,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028119900] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:21:38,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:21:38,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:21:38,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965498654] [2022-12-14 15:21:38,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:21:38,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:21:38,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:21:38,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:21:38,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:21:38,964 INFO L87 Difference]: Start difference. First operand 15810 states and 22128 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-14 15:21:41,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:21:44,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:21:44,813 INFO L93 Difference]: Finished difference Result 15818 states and 22132 transitions. [2022-12-14 15:21:44,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:21:44,814 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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 139 [2022-12-14 15:21:44,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:21:44,847 INFO L225 Difference]: With dead ends: 15818 [2022-12-14 15:21:44,847 INFO L226 Difference]: Without dead ends: 15816 [2022-12-14 15:21:44,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:21:44,851 INFO L413 NwaCegarLoop]: 3021 mSDtfsCounter, 2840 mSDsluCounter, 3631 mSDsCounter, 0 mSdLazyCounter, 890 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2844 SdHoareTripleChecker+Valid, 6652 SdHoareTripleChecker+Invalid, 891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 890 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-12-14 15:21:44,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2844 Valid, 6652 Invalid, 891 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 890 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2022-12-14 15:21:44,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15816 states. [2022-12-14 15:21:46,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15816 to 15808. [2022-12-14 15:21:46,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15808 states, 8926 states have (on average 1.2379565314810665) internal successors, (11050), 9229 states have internal predecessors, (11050), 5279 states have call successors, (5279), 1564 states have call predecessors, (5279), 1582 states have return successors, (5797), 5232 states have call predecessors, (5797), 5277 states have call successors, (5797) [2022-12-14 15:21:46,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15808 states to 15808 states and 22126 transitions. [2022-12-14 15:21:46,400 INFO L78 Accepts]: Start accepts. Automaton has 15808 states and 22126 transitions. Word has length 139 [2022-12-14 15:21:46,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:21:46,400 INFO L495 AbstractCegarLoop]: Abstraction has 15808 states and 22126 transitions. [2022-12-14 15:21:46,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-14 15:21:46,400 INFO L276 IsEmpty]: Start isEmpty. Operand 15808 states and 22126 transitions. [2022-12-14 15:21:46,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-12-14 15:21:46,402 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:21:46,402 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-14 15:21:46,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-14 15:21:46,402 INFO L420 AbstractCegarLoop]: === Iteration 26 === 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 37 more)] === [2022-12-14 15:21:46,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:21:46,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1776439446, now seen corresponding path program 1 times [2022-12-14 15:21:46,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:21:46,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769827857] [2022-12-14 15:21:46,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:21:46,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:21:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:21:46,616 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2022-12-14 15:21:46,616 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:21:46,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769827857] [2022-12-14 15:21:46,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769827857] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:21:46,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2085856717] [2022-12-14 15:21:46,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:21:46,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:21:46,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:21:46,617 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:21:46,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 15:21:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:21:47,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 3602 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 15:21:47,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:21:47,490 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2022-12-14 15:21:47,490 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:21:47,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2085856717] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:21:47,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 15:21:47,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-12-14 15:21:47,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979146801] [2022-12-14 15:21:47,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:21:47,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:21:47,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:21:47,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:21:47,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-14 15:21:47,492 INFO L87 Difference]: Start difference. First operand 15808 states and 22126 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-14 15:21:49,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:21:52,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:21:52,793 INFO L93 Difference]: Finished difference Result 31566 states and 44170 transitions. [2022-12-14 15:21:52,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:21:52,794 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 190 [2022-12-14 15:21:52,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:21:52,837 INFO L225 Difference]: With dead ends: 31566 [2022-12-14 15:21:52,837 INFO L226 Difference]: Without dead ends: 15798 [2022-12-14 15:21:52,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-14 15:21:52,875 INFO L413 NwaCegarLoop]: 3017 mSDtfsCounter, 2830 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2832 SdHoareTripleChecker+Valid, 3627 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-12-14 15:21:52,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2832 Valid, 3627 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 488 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-12-14 15:21:52,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15798 states. [2022-12-14 15:21:54,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15798 to 15790. [2022-12-14 15:21:54,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15790 states, 8909 states have (on average 1.2366146593332585) internal successors, (11017), 9211 states have internal predecessors, (11017), 5279 states have call successors, (5279), 1564 states have call predecessors, (5279), 1582 states have return successors, (5797), 5232 states have call predecessors, (5797), 5277 states have call successors, (5797) [2022-12-14 15:21:54,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15790 states to 15790 states and 22093 transitions. [2022-12-14 15:21:54,488 INFO L78 Accepts]: Start accepts. Automaton has 15790 states and 22093 transitions. Word has length 190 [2022-12-14 15:21:54,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:21:54,489 INFO L495 AbstractCegarLoop]: Abstraction has 15790 states and 22093 transitions. [2022-12-14 15:21:54,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-14 15:21:54,489 INFO L276 IsEmpty]: Start isEmpty. Operand 15790 states and 22093 transitions. [2022-12-14 15:21:54,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-12-14 15:21:54,490 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:21:54,490 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-12-14 15:21:54,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 15:21:54,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-12-14 15:21:54,691 INFO L420 AbstractCegarLoop]: === Iteration 27 === 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 37 more)] === [2022-12-14 15:21:54,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:21:54,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1845834179, now seen corresponding path program 1 times [2022-12-14 15:21:54,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:21:54,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623649089] [2022-12-14 15:21:54,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:21:54,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:21:54,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:21:54,889 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 15:21:54,889 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:21:54,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623649089] [2022-12-14 15:21:54,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623649089] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:21:54,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:21:54,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:21:54,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917583758] [2022-12-14 15:21:54,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:21:54,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:21:54,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:21:54,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:21:54,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:21:54,891 INFO L87 Difference]: Start difference. First operand 15790 states and 22093 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-14 15:21:57,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:22:00,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:22:00,729 INFO L93 Difference]: Finished difference Result 15798 states and 22097 transitions. [2022-12-14 15:22:00,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:22:00,730 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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 144 [2022-12-14 15:22:00,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:22:00,764 INFO L225 Difference]: With dead ends: 15798 [2022-12-14 15:22:00,765 INFO L226 Difference]: Without dead ends: 15796 [2022-12-14 15:22:00,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:22:00,770 INFO L413 NwaCegarLoop]: 3014 mSDtfsCounter, 2832 mSDsluCounter, 3624 mSDsCounter, 0 mSdLazyCounter, 890 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2836 SdHoareTripleChecker+Valid, 6638 SdHoareTripleChecker+Invalid, 891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 890 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-12-14 15:22:00,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2836 Valid, 6638 Invalid, 891 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 890 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2022-12-14 15:22:00,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15796 states. [2022-12-14 15:22:02,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15796 to 15788. [2022-12-14 15:22:02,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15788 states, 8908 states have (on average 1.2365289627301301) internal successors, (11015), 9209 states have internal predecessors, (11015), 5279 states have call successors, (5279), 1564 states have call predecessors, (5279), 1582 states have return successors, (5797), 5232 states have call predecessors, (5797), 5277 states have call successors, (5797) [2022-12-14 15:22:02,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15788 states to 15788 states and 22091 transitions. [2022-12-14 15:22:02,624 INFO L78 Accepts]: Start accepts. Automaton has 15788 states and 22091 transitions. Word has length 144 [2022-12-14 15:22:02,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:22:02,625 INFO L495 AbstractCegarLoop]: Abstraction has 15788 states and 22091 transitions. [2022-12-14 15:22:02,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-14 15:22:02,625 INFO L276 IsEmpty]: Start isEmpty. Operand 15788 states and 22091 transitions. [2022-12-14 15:22:02,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-12-14 15:22:02,626 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:22:02,626 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-12-14 15:22:02,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-12-14 15:22:02,626 INFO L420 AbstractCegarLoop]: === Iteration 28 === 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 37 more)] === [2022-12-14 15:22:02,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:22:02,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1766885146, now seen corresponding path program 1 times [2022-12-14 15:22:02,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:22:02,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004107525] [2022-12-14 15:22:02,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:22:02,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:22:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:22:02,818 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 15:22:02,818 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:22:02,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004107525] [2022-12-14 15:22:02,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004107525] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:22:02,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:22:02,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:22:02,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038322831] [2022-12-14 15:22:02,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:22:02,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:22:02,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:22:02,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:22:02,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:22:02,819 INFO L87 Difference]: Start difference. First operand 15788 states and 22091 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-14 15:22:05,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:22:08,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:22:08,816 INFO L93 Difference]: Finished difference Result 15796 states and 22095 transitions. [2022-12-14 15:22:08,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:22:08,816 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 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 149 [2022-12-14 15:22:08,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:22:08,851 INFO L225 Difference]: With dead ends: 15796 [2022-12-14 15:22:08,851 INFO L226 Difference]: Without dead ends: 15640 [2022-12-14 15:22:08,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:22:08,859 INFO L413 NwaCegarLoop]: 3013 mSDtfsCounter, 2829 mSDsluCounter, 3623 mSDsCounter, 0 mSdLazyCounter, 890 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2831 SdHoareTripleChecker+Valid, 6636 SdHoareTripleChecker+Invalid, 891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 890 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-12-14 15:22:08,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2831 Valid, 6636 Invalid, 891 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 890 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2022-12-14 15:22:08,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15640 states. [2022-12-14 15:22:10,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15640 to 15632. [2022-12-14 15:22:10,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15632 states, 8833 states have (on average 1.2376316087399524) internal successors, (10932), 9128 states have internal predecessors, (10932), 5223 states have call successors, (5223), 1541 states have call predecessors, (5223), 1558 states have return successors, (5739), 5180 states have call predecessors, (5739), 5219 states have call successors, (5739) [2022-12-14 15:22:10,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15632 states to 15632 states and 21894 transitions. [2022-12-14 15:22:10,571 INFO L78 Accepts]: Start accepts. Automaton has 15632 states and 21894 transitions. Word has length 149 [2022-12-14 15:22:10,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:22:10,571 INFO L495 AbstractCegarLoop]: Abstraction has 15632 states and 21894 transitions. [2022-12-14 15:22:10,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-14 15:22:10,572 INFO L276 IsEmpty]: Start isEmpty. Operand 15632 states and 21894 transitions. [2022-12-14 15:22:10,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-12-14 15:22:10,573 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:22:10,573 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-14 15:22:10,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-12-14 15:22:10,573 INFO L420 AbstractCegarLoop]: === Iteration 29 === 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 37 more)] === [2022-12-14 15:22:10,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:22:10,574 INFO L85 PathProgramCache]: Analyzing trace with hash 26525949, now seen corresponding path program 1 times [2022-12-14 15:22:10,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:22:10,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570097350] [2022-12-14 15:22:10,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:22:10,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:22:10,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:22:10,891 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2022-12-14 15:22:10,891 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:22:10,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570097350] [2022-12-14 15:22:10,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570097350] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:22:10,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:22:10,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:22:10,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778112077] [2022-12-14 15:22:10,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:22:10,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:22:10,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:22:10,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:22:10,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:22:10,893 INFO L87 Difference]: Start difference. First operand 15632 states and 21894 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-14 15:22:13,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:22:18,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:22:18,011 INFO L93 Difference]: Finished difference Result 15634 states and 21895 transitions. [2022-12-14 15:22:18,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:22:18,012 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 205 [2022-12-14 15:22:18,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:22:18,043 INFO L225 Difference]: With dead ends: 15634 [2022-12-14 15:22:18,043 INFO L226 Difference]: Without dead ends: 15632 [2022-12-14 15:22:18,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 15:22:18,049 INFO L413 NwaCegarLoop]: 2519 mSDtfsCounter, 19 mSDsluCounter, 7541 mSDsCounter, 0 mSdLazyCounter, 1356 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 10060 SdHoareTripleChecker+Invalid, 1358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1356 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-12-14 15:22:18,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 10060 Invalid, 1358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1356 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2022-12-14 15:22:18,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15632 states. [2022-12-14 15:22:19,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15632 to 15632. [2022-12-14 15:22:19,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15632 states, 8833 states have (on average 1.236725914185441) internal successors, (10924), 9128 states have internal predecessors, (10924), 5223 states have call successors, (5223), 1541 states have call predecessors, (5223), 1558 states have return successors, (5739), 5180 states have call predecessors, (5739), 5219 states have call successors, (5739) [2022-12-14 15:22:19,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15632 states to 15632 states and 21886 transitions. [2022-12-14 15:22:19,731 INFO L78 Accepts]: Start accepts. Automaton has 15632 states and 21886 transitions. Word has length 205 [2022-12-14 15:22:19,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:22:19,731 INFO L495 AbstractCegarLoop]: Abstraction has 15632 states and 21886 transitions. [2022-12-14 15:22:19,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-14 15:22:19,732 INFO L276 IsEmpty]: Start isEmpty. Operand 15632 states and 21886 transitions. [2022-12-14 15:22:19,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-12-14 15:22:19,733 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:22:19,733 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-12-14 15:22:19,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-12-14 15:22:19,733 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_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 37 more)] === [2022-12-14 15:22:19,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:22:19,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1129451686, now seen corresponding path program 1 times [2022-12-14 15:22:19,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:22:19,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509179796] [2022-12-14 15:22:19,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:22:19,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:22:19,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:22:20,729 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2022-12-14 15:22:20,729 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:22:20,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509179796] [2022-12-14 15:22:20,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509179796] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:22:20,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:22:20,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 15:22:20,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96931529] [2022-12-14 15:22:20,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:22:20,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 15:22:20,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:22:20,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 15:22:20,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 15:22:20,731 INFO L87 Difference]: Start difference. First operand 15632 states and 21886 transitions. Second operand has 6 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2022-12-14 15:22:23,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:22:30,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:22:30,584 INFO L93 Difference]: Finished difference Result 17417 states and 24102 transitions. [2022-12-14 15:22:30,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 15:22:30,585 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 203 [2022-12-14 15:22:30,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:22:30,620 INFO L225 Difference]: With dead ends: 17417 [2022-12-14 15:22:30,620 INFO L226 Difference]: Without dead ends: 17415 [2022-12-14 15:22:30,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-12-14 15:22:30,625 INFO L413 NwaCegarLoop]: 2681 mSDtfsCounter, 2683 mSDsluCounter, 7234 mSDsCounter, 0 mSdLazyCounter, 2793 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2687 SdHoareTripleChecker+Valid, 9915 SdHoareTripleChecker+Invalid, 2796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2793 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-12-14 15:22:30,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2687 Valid, 9915 Invalid, 2796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2793 Invalid, 1 Unknown, 0 Unchecked, 7.5s Time] [2022-12-14 15:22:30,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17415 states. [2022-12-14 15:22:32,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17415 to 17317. [2022-12-14 15:22:32,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17317 states, 9779 states have (on average 1.2366295122200635) internal successors, (12093), 10098 states have internal predecessors, (12093), 5669 states have call successors, (5669), 1843 states have call predecessors, (5669), 1851 states have return successors, (6227), 5608 states have call predecessors, (6227), 5665 states have call successors, (6227) [2022-12-14 15:22:32,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17317 states to 17317 states and 23989 transitions. [2022-12-14 15:22:32,664 INFO L78 Accepts]: Start accepts. Automaton has 17317 states and 23989 transitions. Word has length 203 [2022-12-14 15:22:32,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:22:32,664 INFO L495 AbstractCegarLoop]: Abstraction has 17317 states and 23989 transitions. [2022-12-14 15:22:32,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2022-12-14 15:22:32,665 INFO L276 IsEmpty]: Start isEmpty. Operand 17317 states and 23989 transitions. [2022-12-14 15:22:32,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-12-14 15:22:32,666 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:22:32,666 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-12-14 15:22:32,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-12-14 15:22:32,667 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-12-14 15:22:32,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:22:32,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1991372874, now seen corresponding path program 1 times [2022-12-14 15:22:32,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:22:32,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038837072] [2022-12-14 15:22:32,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:22:32,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:22:32,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:22:32,923 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2022-12-14 15:22:32,924 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:22:32,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038837072] [2022-12-14 15:22:32,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038837072] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:22:32,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:22:32,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:22:32,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96180914] [2022-12-14 15:22:32,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:22:32,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:22:32,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:22:32,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:22:32,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:22:32,925 INFO L87 Difference]: Start difference. First operand 17317 states and 23989 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-14 15:22:35,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:22:40,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:22:40,370 INFO L93 Difference]: Finished difference Result 34620 states and 48565 transitions. [2022-12-14 15:22:40,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 15:22:40,371 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 204 [2022-12-14 15:22:40,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:22:40,417 INFO L225 Difference]: With dead ends: 34620 [2022-12-14 15:22:40,417 INFO L226 Difference]: Without dead ends: 17351 [2022-12-14 15:22:40,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:22:40,494 INFO L413 NwaCegarLoop]: 2519 mSDtfsCounter, 2 mSDsluCounter, 7547 mSDsCounter, 0 mSdLazyCounter, 1360 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 10066 SdHoareTripleChecker+Invalid, 1362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1360 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-12-14 15:22:40,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 10066 Invalid, 1362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1360 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2022-12-14 15:22:40,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17351 states. [2022-12-14 15:22:42,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17351 to 17331. [2022-12-14 15:22:42,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17331 states, 9787 states have (on average 1.2364360886890773) internal successors, (12101), 10111 states have internal predecessors, (12101), 5669 states have call successors, (5669), 1843 states have call predecessors, (5669), 1857 states have return successors, (6234), 5609 states have call predecessors, (6234), 5665 states have call successors, (6234) [2022-12-14 15:22:42,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17331 states to 17331 states and 24004 transitions. [2022-12-14 15:22:42,391 INFO L78 Accepts]: Start accepts. Automaton has 17331 states and 24004 transitions. Word has length 204 [2022-12-14 15:22:42,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:22:42,391 INFO L495 AbstractCegarLoop]: Abstraction has 17331 states and 24004 transitions. [2022-12-14 15:22:42,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-14 15:22:42,391 INFO L276 IsEmpty]: Start isEmpty. Operand 17331 states and 24004 transitions. [2022-12-14 15:22:42,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-12-14 15:22:42,393 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:22:42,393 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-12-14 15:22:42,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-12-14 15:22:42,394 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-12-14 15:22:42,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:22:42,394 INFO L85 PathProgramCache]: Analyzing trace with hash -2056701917, now seen corresponding path program 1 times [2022-12-14 15:22:42,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:22:42,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771141463] [2022-12-14 15:22:42,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:22:42,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:22:42,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:22:42,644 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2022-12-14 15:22:42,645 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:22:42,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771141463] [2022-12-14 15:22:42,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771141463] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:22:42,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:22:42,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:22:42,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010589395] [2022-12-14 15:22:42,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:22:42,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:22:42,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:22:42,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:22:42,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:22:42,647 INFO L87 Difference]: Start difference. First operand 17331 states and 24004 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-14 15:22:45,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:22:50,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:22:50,199 INFO L93 Difference]: Finished difference Result 34648 states and 48595 transitions. [2022-12-14 15:22:50,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 15:22:50,200 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 206 [2022-12-14 15:22:50,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:22:50,243 INFO L225 Difference]: With dead ends: 34648 [2022-12-14 15:22:50,243 INFO L226 Difference]: Without dead ends: 17365 [2022-12-14 15:22:50,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:22:50,294 INFO L413 NwaCegarLoop]: 2519 mSDtfsCounter, 2 mSDsluCounter, 7547 mSDsCounter, 0 mSdLazyCounter, 1358 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 10066 SdHoareTripleChecker+Invalid, 1362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1358 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-12-14 15:22:50,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 10066 Invalid, 1362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1358 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2022-12-14 15:22:50,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17365 states. [2022-12-14 15:22:52,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17365 to 17331. [2022-12-14 15:22:52,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17331 states, 9787 states have (on average 1.2364360886890773) internal successors, (12101), 10111 states have internal predecessors, (12101), 5669 states have call successors, (5669), 1843 states have call predecessors, (5669), 1857 states have return successors, (6234), 5609 states have call predecessors, (6234), 5665 states have call successors, (6234) [2022-12-14 15:22:52,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17331 states to 17331 states and 24004 transitions. [2022-12-14 15:22:52,582 INFO L78 Accepts]: Start accepts. Automaton has 17331 states and 24004 transitions. Word has length 206 [2022-12-14 15:22:52,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:22:52,582 INFO L495 AbstractCegarLoop]: Abstraction has 17331 states and 24004 transitions. [2022-12-14 15:22:52,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-14 15:22:52,582 INFO L276 IsEmpty]: Start isEmpty. Operand 17331 states and 24004 transitions. [2022-12-14 15:22:52,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-12-14 15:22:52,584 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:22:52,584 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 8, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-14 15:22:52,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-12-14 15:22:52,584 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 37 more)] === [2022-12-14 15:22:52,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:22:52,585 INFO L85 PathProgramCache]: Analyzing trace with hash -885727901, now seen corresponding path program 1 times [2022-12-14 15:22:52,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:22:52,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941395708] [2022-12-14 15:22:52,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:22:52,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:22:52,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:22:53,285 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2022-12-14 15:22:53,285 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:22:53,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941395708] [2022-12-14 15:22:53,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941395708] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:22:53,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:22:53,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 15:22:53,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554542327] [2022-12-14 15:22:53,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:22:53,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 15:22:53,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:22:53,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 15:22:53,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 15:22:53,287 INFO L87 Difference]: Start difference. First operand 17331 states and 24004 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (38), 4 states have call predecessors, (38), 2 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-12-14 15:22:56,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:23:09,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:23:09,466 INFO L93 Difference]: Finished difference Result 17353 states and 24103 transitions. [2022-12-14 15:23:09,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 15:23:09,467 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (38), 4 states have call predecessors, (38), 2 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 246 [2022-12-14 15:23:09,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:23:09,505 INFO L225 Difference]: With dead ends: 17353 [2022-12-14 15:23:09,506 INFO L226 Difference]: Without dead ends: 17351 [2022-12-14 15:23:09,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-12-14 15:23:09,512 INFO L413 NwaCegarLoop]: 1045 mSDtfsCounter, 2898 mSDsluCounter, 2385 mSDsCounter, 0 mSdLazyCounter, 7690 mSolverCounterSat, 2012 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3228 SdHoareTripleChecker+Valid, 3430 SdHoareTripleChecker+Invalid, 9703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2012 IncrementalHoareTripleChecker+Valid, 7690 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2022-12-14 15:23:09,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3228 Valid, 3430 Invalid, 9703 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2012 Valid, 7690 Invalid, 1 Unknown, 0 Unchecked, 13.4s Time] [2022-12-14 15:23:09,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17351 states. [2022-12-14 15:23:11,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17351 to 17329. [2022-12-14 15:23:11,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17329 states, 9786 states have (on average 1.2356427549560596) internal successors, (12092), 10109 states have internal predecessors, (12092), 5669 states have call successors, (5669), 1843 states have call predecessors, (5669), 1857 states have return successors, (6234), 5609 states have call predecessors, (6234), 5665 states have call successors, (6234) [2022-12-14 15:23:11,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17329 states to 17329 states and 23995 transitions. [2022-12-14 15:23:11,492 INFO L78 Accepts]: Start accepts. Automaton has 17329 states and 23995 transitions. Word has length 246 [2022-12-14 15:23:11,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:23:11,493 INFO L495 AbstractCegarLoop]: Abstraction has 17329 states and 23995 transitions. [2022-12-14 15:23:11,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (38), 4 states have call predecessors, (38), 2 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-12-14 15:23:11,493 INFO L276 IsEmpty]: Start isEmpty. Operand 17329 states and 23995 transitions. [2022-12-14 15:23:11,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-12-14 15:23:11,494 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:23:11,494 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-12-14 15:23:11,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-12-14 15:23:11,495 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-12-14 15:23:11,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:23:11,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1461754896, now seen corresponding path program 1 times [2022-12-14 15:23:11,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:23:11,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841281436] [2022-12-14 15:23:11,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:23:11,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:23:11,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:23:11,735 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2022-12-14 15:23:11,735 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:23:11,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841281436] [2022-12-14 15:23:11,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841281436] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:23:11,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:23:11,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:23:11,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116069589] [2022-12-14 15:23:11,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:23:11,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:23:11,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:23:11,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:23:11,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:23:11,736 INFO L87 Difference]: Start difference. First operand 17329 states and 23995 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-12-14 15:23:13,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:23:17,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:23:17,532 INFO L93 Difference]: Finished difference Result 34602 states and 48590 transitions. [2022-12-14 15:23:17,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:23:17,533 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 205 [2022-12-14 15:23:17,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:23:17,582 INFO L225 Difference]: With dead ends: 34602 [2022-12-14 15:23:17,582 INFO L226 Difference]: Without dead ends: 17321 [2022-12-14 15:23:17,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:23:17,636 INFO L413 NwaCegarLoop]: 2512 mSDtfsCounter, 2783 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2783 SdHoareTripleChecker+Valid, 2512 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-12-14 15:23:17,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2783 Valid, 2512 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 338 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-12-14 15:23:17,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17321 states. [2022-12-14 15:23:19,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17321 to 17321. [2022-12-14 15:23:19,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17321 states, 9779 states have (on average 1.2351978729931485) internal successors, (12079), 10101 states have internal predecessors, (12079), 5669 states have call successors, (5669), 1843 states have call predecessors, (5669), 1857 states have return successors, (6234), 5609 states have call predecessors, (6234), 5665 states have call successors, (6234) [2022-12-14 15:23:19,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17321 states to 17321 states and 23982 transitions. [2022-12-14 15:23:19,728 INFO L78 Accepts]: Start accepts. Automaton has 17321 states and 23982 transitions. Word has length 205 [2022-12-14 15:23:19,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:23:19,729 INFO L495 AbstractCegarLoop]: Abstraction has 17321 states and 23982 transitions. [2022-12-14 15:23:19,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-12-14 15:23:19,729 INFO L276 IsEmpty]: Start isEmpty. Operand 17321 states and 23982 transitions. [2022-12-14 15:23:19,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-12-14 15:23:19,731 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:23:19,731 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 8, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:23:19,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-12-14 15:23:19,731 INFO L420 AbstractCegarLoop]: === Iteration 35 === 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 37 more)] === [2022-12-14 15:23:19,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:23:19,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1536547434, now seen corresponding path program 1 times [2022-12-14 15:23:19,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:23:19,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348107611] [2022-12-14 15:23:19,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:23:19,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:23:19,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:23:20,210 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2022-12-14 15:23:20,210 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:23:20,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348107611] [2022-12-14 15:23:20,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348107611] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:23:20,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:23:20,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 15:23:20,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310311216] [2022-12-14 15:23:20,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:23:20,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 15:23:20,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:23:20,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 15:23:20,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 15:23:20,213 INFO L87 Difference]: Start difference. First operand 17321 states and 23982 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (38), 4 states have call predecessors, (38), 2 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-12-14 15:23:23,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:23:42,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:23:42,361 INFO L93 Difference]: Finished difference Result 34614 states and 49422 transitions. [2022-12-14 15:23:42,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 15:23:42,362 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (38), 4 states have call predecessors, (38), 2 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 233 [2022-12-14 15:23:42,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:23:42,466 INFO L225 Difference]: With dead ends: 34614 [2022-12-14 15:23:42,466 INFO L226 Difference]: Without dead ends: 34612 [2022-12-14 15:23:42,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-12-14 15:23:42,480 INFO L413 NwaCegarLoop]: 2977 mSDtfsCounter, 3644 mSDsluCounter, 7555 mSDsCounter, 0 mSdLazyCounter, 9460 mSolverCounterSat, 2404 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4261 SdHoareTripleChecker+Valid, 10532 SdHoareTripleChecker+Invalid, 11865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2404 IncrementalHoareTripleChecker+Valid, 9460 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2022-12-14 15:23:42,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4261 Valid, 10532 Invalid, 11865 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2404 Valid, 9460 Invalid, 1 Unknown, 0 Unchecked, 16.9s Time] [2022-12-14 15:23:42,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34612 states. [2022-12-14 15:23:46,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34612 to 34378. [2022-12-14 15:23:46,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34378 states, 19425 states have (on average 1.2345945945945946) internal successors, (23982), 20183 states have internal predecessors, (23982), 11256 states have call successors, (11256), 3472 states have call predecessors, (11256), 3681 states have return successors, (13860), 11195 states have call predecessors, (13860), 11252 states have call successors, (13860) [2022-12-14 15:23:46,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34378 states to 34378 states and 49098 transitions. [2022-12-14 15:23:46,973 INFO L78 Accepts]: Start accepts. Automaton has 34378 states and 49098 transitions. Word has length 233 [2022-12-14 15:23:46,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:23:46,973 INFO L495 AbstractCegarLoop]: Abstraction has 34378 states and 49098 transitions. [2022-12-14 15:23:46,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (38), 4 states have call predecessors, (38), 2 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-12-14 15:23:46,973 INFO L276 IsEmpty]: Start isEmpty. Operand 34378 states and 49098 transitions. [2022-12-14 15:23:46,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2022-12-14 15:23:46,975 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:23:46,976 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 8, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:23:46,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-12-14 15:23:46,976 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting rsxx_detach_devErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-12-14 15:23:46,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:23:46,976 INFO L85 PathProgramCache]: Analyzing trace with hash -370811734, now seen corresponding path program 1 times [2022-12-14 15:23:46,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:23:46,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636958864] [2022-12-14 15:23:46,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:23:46,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:23:47,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:23:47,638 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2022-12-14 15:23:47,638 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:23:47,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636958864] [2022-12-14 15:23:47,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636958864] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:23:47,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:23:47,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 15:23:47,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455228175] [2022-12-14 15:23:47,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:23:47,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 15:23:47,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:23:47,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 15:23:47,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-14 15:23:47,640 INFO L87 Difference]: Start difference. First operand 34378 states and 49098 transitions. Second operand has 7 states, 6 states have (on average 14.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (37), 4 states have call predecessors, (37), 2 states have call successors, (37) [2022-12-14 15:23:50,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:24:00,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:24:00,056 INFO L93 Difference]: Finished difference Result 71559 states and 103494 transitions. [2022-12-14 15:24:00,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 15:24:00,057 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (37), 4 states have call predecessors, (37), 2 states have call successors, (37) Word has length 240 [2022-12-14 15:24:00,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:24:00,190 INFO L225 Difference]: With dead ends: 71559 [2022-12-14 15:24:00,190 INFO L226 Difference]: Without dead ends: 37214 [2022-12-14 15:24:00,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-14 15:24:00,346 INFO L413 NwaCegarLoop]: 2812 mSDtfsCounter, 130 mSDsluCounter, 13844 mSDsCounter, 0 mSdLazyCounter, 2237 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 16656 SdHoareTripleChecker+Invalid, 2238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2237 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-12-14 15:24:00,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 16656 Invalid, 2238 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2237 Invalid, 1 Unknown, 0 Unchecked, 6.8s Time] [2022-12-14 15:24:00,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37214 states. [2022-12-14 15:24:04,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37214 to 34380. [2022-12-14 15:24:04,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34380 states, 19427 states have (on average 1.2345704431976117) internal successors, (23984), 20184 states have internal predecessors, (23984), 11256 states have call successors, (11256), 3472 states have call predecessors, (11256), 3681 states have return successors, (13860), 11196 states have call predecessors, (13860), 11252 states have call successors, (13860) [2022-12-14 15:24:05,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34380 states to 34380 states and 49100 transitions. [2022-12-14 15:24:05,161 INFO L78 Accepts]: Start accepts. Automaton has 34380 states and 49100 transitions. Word has length 240 [2022-12-14 15:24:05,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:24:05,161 INFO L495 AbstractCegarLoop]: Abstraction has 34380 states and 49100 transitions. [2022-12-14 15:24:05,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (37), 4 states have call predecessors, (37), 2 states have call successors, (37) [2022-12-14 15:24:05,161 INFO L276 IsEmpty]: Start isEmpty. Operand 34380 states and 49100 transitions. [2022-12-14 15:24:05,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-12-14 15:24:05,164 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:24:05,164 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 8, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-14 15:24:05,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-12-14 15:24:05,164 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting rsxx_detach_devErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-12-14 15:24:05,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:24:05,164 INFO L85 PathProgramCache]: Analyzing trace with hash 463741441, now seen corresponding path program 1 times [2022-12-14 15:24:05,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:24:05,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424424985] [2022-12-14 15:24:05,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:24:05,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:24:05,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:24:06,670 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 16 proven. 26 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2022-12-14 15:24:06,670 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:24:06,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424424985] [2022-12-14 15:24:06,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424424985] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:24:06,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1844384164] [2022-12-14 15:24:06,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:24:06,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:24:06,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:24:06,672 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:24:06,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 15:24:07,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:24:07,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 3930 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-14 15:24:07,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:24:07,903 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2022-12-14 15:24:07,903 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:24:07,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1844384164] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:24:07,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 15:24:07,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [9] total 17 [2022-12-14 15:24:07,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060581700] [2022-12-14 15:24:07,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:24:07,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 15:24:07,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:24:07,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 15:24:07,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=240, Unknown=0, NotChecked=0, Total=272 [2022-12-14 15:24:07,905 INFO L87 Difference]: Start difference. First operand 34380 states and 49100 transitions. Second operand has 12 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 6 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (36), 7 states have call predecessors, (36), 6 states have call successors, (36) [2022-12-14 15:24:11,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:24:25,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:24:25,545 INFO L93 Difference]: Finished difference Result 72556 states and 105105 transitions. [2022-12-14 15:24:25,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-14 15:24:25,545 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 6 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (36), 7 states have call predecessors, (36), 6 states have call successors, (36) Word has length 253 [2022-12-14 15:24:25,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:24:25,691 INFO L225 Difference]: With dead ends: 72556 [2022-12-14 15:24:25,691 INFO L226 Difference]: Without dead ends: 38210 [2022-12-14 15:24:25,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=66, Invalid=440, Unknown=0, NotChecked=0, Total=506 [2022-12-14 15:24:25,794 INFO L413 NwaCegarLoop]: 2787 mSDtfsCounter, 439 mSDsluCounter, 27108 mSDsCounter, 0 mSdLazyCounter, 4810 mSolverCounterSat, 347 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 29895 SdHoareTripleChecker+Invalid, 5158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 347 IncrementalHoareTripleChecker+Valid, 4810 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2022-12-14 15:24:25,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 29895 Invalid, 5158 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [347 Valid, 4810 Invalid, 1 Unknown, 0 Unchecked, 11.2s Time] [2022-12-14 15:24:25,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38210 states. [2022-12-14 15:24:30,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38210 to 34604. [2022-12-14 15:24:30,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34604 states, 19571 states have (on average 1.2328445148433906) internal successors, (24128), 20328 states have internal predecessors, (24128), 11320 states have call successors, (11320), 3472 states have call predecessors, (11320), 3697 states have return successors, (13956), 11276 states have call predecessors, (13956), 11316 states have call successors, (13956) [2022-12-14 15:24:30,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34604 states to 34604 states and 49404 transitions. [2022-12-14 15:24:30,541 INFO L78 Accepts]: Start accepts. Automaton has 34604 states and 49404 transitions. Word has length 253 [2022-12-14 15:24:30,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:24:30,541 INFO L495 AbstractCegarLoop]: Abstraction has 34604 states and 49404 transitions. [2022-12-14 15:24:30,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 6 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (36), 7 states have call predecessors, (36), 6 states have call successors, (36) [2022-12-14 15:24:30,542 INFO L276 IsEmpty]: Start isEmpty. Operand 34604 states and 49404 transitions. [2022-12-14 15:24:30,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-12-14 15:24:30,544 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:24:30,544 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 8, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:24:30,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 15:24:30,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2022-12-14 15:24:30,747 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting rsxx_detach_devErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-12-14 15:24:30,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:24:30,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1278211312, now seen corresponding path program 1 times [2022-12-14 15:24:30,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:24:30,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107763255] [2022-12-14 15:24:30,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:24:30,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:24:30,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:24:31,692 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2022-12-14 15:24:31,692 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:24:31,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107763255] [2022-12-14 15:24:31,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107763255] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:24:31,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:24:31,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 15:24:31,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029051193] [2022-12-14 15:24:31,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:24:31,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 15:24:31,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:24:31,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 15:24:31,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-14 15:24:31,694 INFO L87 Difference]: Start difference. First operand 34604 states and 49404 transitions. Second operand has 8 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 2 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (37), 4 states have call predecessors, (37), 2 states have call successors, (37) [2022-12-14 15:24:34,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:24:44,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:24:44,023 INFO L93 Difference]: Finished difference Result 69286 states and 99766 transitions. [2022-12-14 15:24:44,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 15:24:44,024 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 2 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (37), 4 states have call predecessors, (37), 2 states have call successors, (37) Word has length 259 [2022-12-14 15:24:44,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:24:44,140 INFO L225 Difference]: With dead ends: 69286 [2022-12-14 15:24:44,141 INFO L226 Difference]: Without dead ends: 34732 [2022-12-14 15:24:44,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-14 15:24:44,322 INFO L413 NwaCegarLoop]: 2514 mSDtfsCounter, 3 mSDsluCounter, 15029 mSDsCounter, 0 mSdLazyCounter, 2420 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 17543 SdHoareTripleChecker+Invalid, 2421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2420 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-12-14 15:24:44,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 17543 Invalid, 2421 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2420 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2022-12-14 15:24:44,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34732 states. [2022-12-14 15:24:48,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34732 to 34700. [2022-12-14 15:24:48,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34700 states, 19635 states have (on average 1.2320855614973263) internal successors, (24192), 20392 states have internal predecessors, (24192), 11320 states have call successors, (11320), 3472 states have call predecessors, (11320), 3729 states have return successors, (14052), 11308 states have call predecessors, (14052), 11316 states have call successors, (14052) [2022-12-14 15:24:49,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34700 states to 34700 states and 49564 transitions. [2022-12-14 15:24:49,019 INFO L78 Accepts]: Start accepts. Automaton has 34700 states and 49564 transitions. Word has length 259 [2022-12-14 15:24:49,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:24:49,019 INFO L495 AbstractCegarLoop]: Abstraction has 34700 states and 49564 transitions. [2022-12-14 15:24:49,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 2 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (37), 4 states have call predecessors, (37), 2 states have call successors, (37) [2022-12-14 15:24:49,019 INFO L276 IsEmpty]: Start isEmpty. Operand 34700 states and 49564 transitions. [2022-12-14 15:24:49,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2022-12-14 15:24:49,022 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:24:49,022 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-12-14 15:24:49,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-12-14 15:24:49,022 INFO L420 AbstractCegarLoop]: === Iteration 39 === 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 37 more)] === [2022-12-14 15:24:49,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:24:49,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1712140476, now seen corresponding path program 1 times [2022-12-14 15:24:49,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:24:49,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482040263] [2022-12-14 15:24:49,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:24:49,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:24:49,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:24:49,767 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2022-12-14 15:24:49,768 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:24:49,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482040263] [2022-12-14 15:24:49,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482040263] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:24:49,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:24:49,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:24:49,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350704062] [2022-12-14 15:24:49,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:24:49,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:24:49,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:24:49,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:24:49,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:24:49,769 INFO L87 Difference]: Start difference. First operand 34700 states and 49564 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-12-14 15:24:52,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:24:59,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:24:59,450 INFO L93 Difference]: Finished difference Result 40997 states and 57949 transitions. [2022-12-14 15:24:59,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 15:24:59,451 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 227 [2022-12-14 15:24:59,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:24:59,560 INFO L225 Difference]: With dead ends: 40997 [2022-12-14 15:24:59,560 INFO L226 Difference]: Without dead ends: 40995 [2022-12-14 15:24:59,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 15:24:59,575 INFO L413 NwaCegarLoop]: 2776 mSDtfsCounter, 2667 mSDsluCounter, 6062 mSDsCounter, 0 mSdLazyCounter, 1170 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2672 SdHoareTripleChecker+Valid, 8838 SdHoareTripleChecker+Invalid, 1174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1170 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-12-14 15:24:59,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2672 Valid, 8838 Invalid, 1174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1170 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2022-12-14 15:24:59,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40995 states. [2022-12-14 15:25:04,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40995 to 40779. [2022-12-14 15:25:04,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40779 states, 23339 states have (on average 1.239470414327949) internal successors, (28928), 24244 states have internal predecessors, (28928), 12653 states have call successors, (12653), 4466 states have call predecessors, (12653), 4771 states have return successors, (16005), 12648 states have call predecessors, (16005), 12649 states have call successors, (16005) [2022-12-14 15:25:05,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40779 states to 40779 states and 57586 transitions. [2022-12-14 15:25:05,012 INFO L78 Accepts]: Start accepts. Automaton has 40779 states and 57586 transitions. Word has length 227 [2022-12-14 15:25:05,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:25:05,012 INFO L495 AbstractCegarLoop]: Abstraction has 40779 states and 57586 transitions. [2022-12-14 15:25:05,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-12-14 15:25:05,013 INFO L276 IsEmpty]: Start isEmpty. Operand 40779 states and 57586 transitions. [2022-12-14 15:25:05,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2022-12-14 15:25:05,015 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:25:05,016 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 8, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:25:05,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-12-14 15:25:05,016 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting rsxx_detach_devErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-12-14 15:25:05,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:25:05,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1834451615, now seen corresponding path program 1 times [2022-12-14 15:25:05,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:25:05,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445216689] [2022-12-14 15:25:05,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:25:05,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:25:05,084 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 15:25:05,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [516888827] [2022-12-14 15:25:05,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:25:05,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:25:05,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:25:05,085 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:25:05,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 15:25:06,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:25:06,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 4091 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-14 15:25:06,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:25:06,240 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2022-12-14 15:25:06,240 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:25:06,240 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:25:06,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445216689] [2022-12-14 15:25:06,240 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 15:25:06,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516888827] [2022-12-14 15:25:06,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [516888827] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:25:06,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:25:06,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 15:25:06,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527078356] [2022-12-14 15:25:06,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:25:06,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 15:25:06,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:25:06,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 15:25:06,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-12-14 15:25:06,242 INFO L87 Difference]: Start difference. First operand 40779 states and 57586 transitions. Second operand has 13 states, 10 states have (on average 9.2) internal successors, (92), 11 states have internal predecessors, (92), 7 states have call successors, (43), 2 states have call predecessors, (43), 5 states have return successors, (41), 8 states have call predecessors, (41), 7 states have call successors, (41) [2022-12-14 15:25:09,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:25:25,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:25:25,369 INFO L93 Difference]: Finished difference Result 86070 states and 123377 transitions. [2022-12-14 15:25:25,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-14 15:25:25,370 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 9.2) internal successors, (92), 11 states have internal predecessors, (92), 7 states have call successors, (43), 2 states have call predecessors, (43), 5 states have return successors, (41), 8 states have call predecessors, (41), 7 states have call successors, (41) Word has length 276 [2022-12-14 15:25:25,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:25:25,531 INFO L225 Difference]: With dead ends: 86070 [2022-12-14 15:25:25,531 INFO L226 Difference]: Without dead ends: 45325 [2022-12-14 15:25:25,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=319, Unknown=0, NotChecked=0, Total=380 [2022-12-14 15:25:25,659 INFO L413 NwaCegarLoop]: 2819 mSDtfsCounter, 450 mSDsluCounter, 30188 mSDsCounter, 0 mSdLazyCounter, 5300 mSolverCounterSat, 352 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 33007 SdHoareTripleChecker+Invalid, 5653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 352 IncrementalHoareTripleChecker+Valid, 5300 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-12-14 15:25:25,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [465 Valid, 33007 Invalid, 5653 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [352 Valid, 5300 Invalid, 1 Unknown, 0 Unchecked, 11.8s Time] [2022-12-14 15:25:25,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45325 states. [2022-12-14 15:25:31,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45325 to 41399. [2022-12-14 15:25:31,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41399 states, 23587 states have (on average 1.238139653198796) internal successors, (29204), 24556 states have internal predecessors, (29204), 13005 states have call successors, (13005), 4466 states have call predecessors, (13005), 4791 states have return successors, (16485), 13000 states have call predecessors, (16485), 13001 states have call successors, (16485) [2022-12-14 15:25:31,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41399 states to 41399 states and 58694 transitions. [2022-12-14 15:25:31,367 INFO L78 Accepts]: Start accepts. Automaton has 41399 states and 58694 transitions. Word has length 276 [2022-12-14 15:25:31,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:25:31,368 INFO L495 AbstractCegarLoop]: Abstraction has 41399 states and 58694 transitions. [2022-12-14 15:25:31,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 9.2) internal successors, (92), 11 states have internal predecessors, (92), 7 states have call successors, (43), 2 states have call predecessors, (43), 5 states have return successors, (41), 8 states have call predecessors, (41), 7 states have call successors, (41) [2022-12-14 15:25:31,368 INFO L276 IsEmpty]: Start isEmpty. Operand 41399 states and 58694 transitions. [2022-12-14 15:25:31,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-12-14 15:25:31,371 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:25:31,371 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 7, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:25:31,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-12-14 15:25:31,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2022-12-14 15:25:31,573 INFO L420 AbstractCegarLoop]: === Iteration 41 === 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 37 more)] === [2022-12-14 15:25:31,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:25:31,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1488667467, now seen corresponding path program 1 times [2022-12-14 15:25:31,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:25:31,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762475149] [2022-12-14 15:25:31,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:25:31,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:25:31,642 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 15:25:31,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [163374841] [2022-12-14 15:25:31,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:25:31,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:25:31,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:25:31,644 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:25:31,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 15:25:32,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:25:32,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 3985 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-14 15:25:32,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:25:33,009 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2022-12-14 15:25:33,009 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:25:33,334 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2022-12-14 15:25:33,334 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:25:33,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762475149] [2022-12-14 15:25:33,335 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 15:25:33,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [163374841] [2022-12-14 15:25:33,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [163374841] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-14 15:25:33,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 15:25:33,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-12-14 15:25:33,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370703171] [2022-12-14 15:25:33,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:25:33,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:25:33,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:25:33,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:25:33,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-14 15:25:33,337 INFO L87 Difference]: Start difference. First operand 41399 states and 58694 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-12-14 15:25:35,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:25:50,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:25:50,144 INFO L93 Difference]: Finished difference Result 74389 states and 108764 transitions. [2022-12-14 15:25:50,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 15:25:50,145 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 256 [2022-12-14 15:25:50,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:25:50,415 INFO L225 Difference]: With dead ends: 74389 [2022-12-14 15:25:50,416 INFO L226 Difference]: Without dead ends: 74387 [2022-12-14 15:25:50,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 513 GetRequests, 505 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-12-14 15:25:50,448 INFO L413 NwaCegarLoop]: 3701 mSDtfsCounter, 2572 mSDsluCounter, 9631 mSDsCounter, 0 mSdLazyCounter, 1649 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2577 SdHoareTripleChecker+Valid, 13332 SdHoareTripleChecker+Invalid, 1653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1649 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-12-14 15:25:50,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2577 Valid, 13332 Invalid, 1653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1649 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2022-12-14 15:25:50,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74387 states. [2022-12-14 15:26:00,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74387 to 73873. [2022-12-14 15:26:00,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73873 states, 42410 states have (on average 1.236029238387173) internal successors, (52420), 44033 states have internal predecessors, (52420), 22683 states have call successors, (22683), 8072 states have call predecessors, (22683), 8764 states have return successors, (31954), 22781 states have call predecessors, (31954), 22679 states have call successors, (31954) [2022-12-14 15:26:01,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73873 states to 73873 states and 107057 transitions. [2022-12-14 15:26:01,224 INFO L78 Accepts]: Start accepts. Automaton has 73873 states and 107057 transitions. Word has length 256 [2022-12-14 15:26:01,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:26:01,225 INFO L495 AbstractCegarLoop]: Abstraction has 73873 states and 107057 transitions. [2022-12-14 15:26:01,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-12-14 15:26:01,225 INFO L276 IsEmpty]: Start isEmpty. Operand 73873 states and 107057 transitions. [2022-12-14 15:26:01,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-12-14 15:26:01,228 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:26:01,229 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-12-14 15:26:01,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-12-14 15:26:01,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:26:01,431 INFO L420 AbstractCegarLoop]: === Iteration 42 === 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 37 more)] === [2022-12-14 15:26:01,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:26:01,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1915985608, now seen corresponding path program 1 times [2022-12-14 15:26:01,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:26:01,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354951881] [2022-12-14 15:26:01,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:26:01,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:26:01,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:26:02,050 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2022-12-14 15:26:02,050 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:26:02,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354951881] [2022-12-14 15:26:02,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354951881] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:26:02,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:26:02,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 15:26:02,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240270557] [2022-12-14 15:26:02,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:26:02,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 15:26:02,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:26:02,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 15:26:02,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 15:26:02,053 INFO L87 Difference]: Start difference. First operand 73873 states and 107057 transitions. Second operand has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (49), 4 states have call predecessors, (49), 3 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-12-14 15:26:05,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:26:07,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:26:09,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:26:11,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:26:32,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:26:32,812 INFO L93 Difference]: Finished difference Result 78586 states and 116391 transitions. [2022-12-14 15:26:32,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 15:26:32,813 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (49), 4 states have call predecessors, (49), 3 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 259 [2022-12-14 15:26:32,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:26:33,087 INFO L225 Difference]: With dead ends: 78586 [2022-12-14 15:26:33,087 INFO L226 Difference]: Without dead ends: 78584 [2022-12-14 15:26:33,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-12-14 15:26:33,123 INFO L413 NwaCegarLoop]: 2193 mSDtfsCounter, 1674 mSDsluCounter, 5763 mSDsCounter, 0 mSdLazyCounter, 7061 mSolverCounterSat, 1101 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2065 SdHoareTripleChecker+Valid, 7956 SdHoareTripleChecker+Invalid, 8166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1101 IncrementalHoareTripleChecker+Valid, 7061 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:26:33,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2065 Valid, 7956 Invalid, 8166 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1101 Valid, 7061 Invalid, 4 Unknown, 0 Unchecked, 19.0s Time] [2022-12-14 15:26:33,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78584 states. [2022-12-14 15:26:43,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78584 to 75679. [2022-12-14 15:26:43,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75679 states, 43356 states have (on average 1.2323553833379464) internal successors, (53430), 45091 states have internal predecessors, (53430), 23097 states have call successors, (23097), 8092 states have call predecessors, (23097), 9210 states have return successors, (33076), 23511 states have call predecessors, (33076), 23093 states have call successors, (33076) [2022-12-14 15:26:44,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75679 states to 75679 states and 109603 transitions. [2022-12-14 15:26:44,214 INFO L78 Accepts]: Start accepts. Automaton has 75679 states and 109603 transitions. Word has length 259 [2022-12-14 15:26:44,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:26:44,214 INFO L495 AbstractCegarLoop]: Abstraction has 75679 states and 109603 transitions. [2022-12-14 15:26:44,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (49), 4 states have call predecessors, (49), 3 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-12-14 15:26:44,214 INFO L276 IsEmpty]: Start isEmpty. Operand 75679 states and 109603 transitions. [2022-12-14 15:26:44,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2022-12-14 15:26:44,218 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:26:44,218 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 7, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:26:44,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-12-14 15:26:44,219 INFO L420 AbstractCegarLoop]: === Iteration 43 === 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 37 more)] === [2022-12-14 15:26:44,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:26:44,219 INFO L85 PathProgramCache]: Analyzing trace with hash -303962765, now seen corresponding path program 1 times [2022-12-14 15:26:44,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:26:44,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782864099] [2022-12-14 15:26:44,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:26:44,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:26:44,297 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 15:26:44,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [164140382] [2022-12-14 15:26:44,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:26:44,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:26:44,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:26:44,298 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:26:44,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-14 15:26:45,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:26:45,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 4080 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-14 15:26:45,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:26:45,340 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2022-12-14 15:26:45,341 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:26:45,341 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:26:45,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782864099] [2022-12-14 15:26:45,341 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 15:26:45,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164140382] [2022-12-14 15:26:45,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [164140382] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:26:45,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:26:45,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:26:45,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395714609] [2022-12-14 15:26:45,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:26:45,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:26:45,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:26:45,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:26:45,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:26:45,343 INFO L87 Difference]: Start difference. First operand 75679 states and 109603 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (53), 3 states have call predecessors, (53), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2022-12-14 15:26:47,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:27:01,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:27:01,072 INFO L93 Difference]: Finished difference Result 75964 states and 109811 transitions. [2022-12-14 15:27:01,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 15:27:01,072 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (53), 3 states have call predecessors, (53), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 281 [2022-12-14 15:27:01,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:27:01,317 INFO L225 Difference]: With dead ends: 75964 [2022-12-14 15:27:01,317 INFO L226 Difference]: Without dead ends: 75962 [2022-12-14 15:27:01,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 15:27:01,346 INFO L413 NwaCegarLoop]: 2515 mSDtfsCounter, 204 mSDsluCounter, 7334 mSDsCounter, 0 mSdLazyCounter, 1365 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 9849 SdHoareTripleChecker+Invalid, 1366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1365 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-12-14 15:27:01,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 9849 Invalid, 1366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1365 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2022-12-14 15:27:01,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75962 states. [2022-12-14 15:27:11,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75962 to 75962. [2022-12-14 15:27:11,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75962 states, 43537 states have (on average 1.2313664239612283) internal successors, (53610), 45272 states have internal predecessors, (53610), 23097 states have call successors, (23097), 8194 states have call predecessors, (23097), 9312 states have return successors, (33076), 23511 states have call predecessors, (33076), 23093 states have call successors, (33076) [2022-12-14 15:27:12,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75962 states to 75962 states and 109783 transitions. [2022-12-14 15:27:12,430 INFO L78 Accepts]: Start accepts. Automaton has 75962 states and 109783 transitions. Word has length 281 [2022-12-14 15:27:12,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:27:12,430 INFO L495 AbstractCegarLoop]: Abstraction has 75962 states and 109783 transitions. [2022-12-14 15:27:12,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (53), 3 states have call predecessors, (53), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2022-12-14 15:27:12,431 INFO L276 IsEmpty]: Start isEmpty. Operand 75962 states and 109783 transitions. [2022-12-14 15:27:12,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2022-12-14 15:27:12,435 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:27:12,435 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 8, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-14 15:27:12,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-14 15:27:12,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2022-12-14 15:27:12,637 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting rsxx_detach_devErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-12-14 15:27:12,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:27:12,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1626188808, now seen corresponding path program 1 times [2022-12-14 15:27:12,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:27:12,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130874501] [2022-12-14 15:27:12,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:27:12,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:27:12,735 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 15:27:12,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1127040458] [2022-12-14 15:27:12,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:27:12,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:27:12,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:27:12,737 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:27:12,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-14 15:27:13,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:27:13,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 4242 conjuncts, 42 conjunts are in the unsatisfiable core [2022-12-14 15:27:13,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:27:13,720 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 686 trivial. 0 not checked. [2022-12-14 15:27:13,721 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:27:13,721 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:27:13,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130874501] [2022-12-14 15:27:13,721 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 15:27:13,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127040458] [2022-12-14 15:27:13,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1127040458] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:27:13,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:27:13,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 15:27:13,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847744930] [2022-12-14 15:27:13,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:27:13,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 15:27:13,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:27:13,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 15:27:13,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-12-14 15:27:13,724 INFO L87 Difference]: Start difference. First operand 75962 states and 109783 transitions. Second operand has 13 states, 10 states have (on average 10.9) internal successors, (109), 11 states have internal predecessors, (109), 7 states have call successors, (51), 2 states have call predecessors, (51), 5 states have return successors, (49), 8 states have call predecessors, (49), 7 states have call successors, (49) [2022-12-14 15:27:17,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:27:42,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:27:42,273 INFO L93 Difference]: Finished difference Result 166262 states and 250432 transitions. [2022-12-14 15:27:42,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-14 15:27:42,274 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 10.9) internal successors, (109), 11 states have internal predecessors, (109), 7 states have call successors, (51), 2 states have call predecessors, (51), 5 states have return successors, (49), 8 states have call predecessors, (49), 7 states have call successors, (49) Word has length 313 [2022-12-14 15:27:42,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:27:42,752 INFO L225 Difference]: With dead ends: 166262 [2022-12-14 15:27:42,752 INFO L226 Difference]: Without dead ends: 90318 [2022-12-14 15:27:43,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=354, Unknown=0, NotChecked=0, Total=420 [2022-12-14 15:27:43,079 INFO L413 NwaCegarLoop]: 3077 mSDtfsCounter, 463 mSDsluCounter, 32820 mSDsCounter, 0 mSdLazyCounter, 5833 mSolverCounterSat, 364 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 594 SdHoareTripleChecker+Valid, 35897 SdHoareTripleChecker+Invalid, 6198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 364 IncrementalHoareTripleChecker+Valid, 5833 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:27:43,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [594 Valid, 35897 Invalid, 6198 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [364 Valid, 5833 Invalid, 1 Unknown, 0 Unchecked, 12.0s Time] [2022-12-14 15:27:43,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90318 states. [2022-12-14 15:27:54,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90318 to 75963. [2022-12-14 15:27:54,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75963 states, 43537 states have (on average 1.2312975170544593) internal successors, (53607), 45258 states have internal predecessors, (53607), 23105 states have call successors, (23105), 8194 states have call predecessors, (23105), 9305 states have return successors, (33668), 23507 states have call predecessors, (33668), 23101 states have call successors, (33668) [2022-12-14 15:27:54,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75963 states to 75963 states and 110380 transitions. [2022-12-14 15:27:54,893 INFO L78 Accepts]: Start accepts. Automaton has 75963 states and 110380 transitions. Word has length 313 [2022-12-14 15:27:54,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:27:54,894 INFO L495 AbstractCegarLoop]: Abstraction has 75963 states and 110380 transitions. [2022-12-14 15:27:54,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 10.9) internal successors, (109), 11 states have internal predecessors, (109), 7 states have call successors, (51), 2 states have call predecessors, (51), 5 states have return successors, (49), 8 states have call predecessors, (49), 7 states have call successors, (49) [2022-12-14 15:27:54,894 INFO L276 IsEmpty]: Start isEmpty. Operand 75963 states and 110380 transitions. [2022-12-14 15:27:54,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-12-14 15:27:54,898 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:27:54,898 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:27:54,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-14 15:27:55,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2022-12-14 15:27:55,100 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-12-14 15:27:55,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:27:55,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1456752515, now seen corresponding path program 1 times [2022-12-14 15:27:55,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:27:55,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740428783] [2022-12-14 15:27:55,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:27:55,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:27:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:27:56,007 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2022-12-14 15:27:56,007 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:27:56,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740428783] [2022-12-14 15:27:56,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740428783] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:27:56,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:27:56,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:27:56,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477606740] [2022-12-14 15:27:56,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:27:56,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:27:56,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:27:56,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:27:56,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:27:56,009 INFO L87 Difference]: Start difference. First operand 75963 states and 110380 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (53), 2 states have call predecessors, (53), 3 states have return successors, (49), 3 states have call predecessors, (49), 2 states have call successors, (49) [2022-12-14 15:27:58,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:28:13,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:28:13,732 INFO L93 Difference]: Finished difference Result 152456 states and 231601 transitions. [2022-12-14 15:28:13,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 15:28:13,733 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (53), 2 states have call predecessors, (53), 3 states have return successors, (49), 3 states have call predecessors, (49), 2 states have call successors, (49) Word has length 284 [2022-12-14 15:28:13,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:28:14,058 INFO L225 Difference]: With dead ends: 152456 [2022-12-14 15:28:14,058 INFO L226 Difference]: Without dead ends: 76543 [2022-12-14 15:28:14,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:28:14,730 INFO L413 NwaCegarLoop]: 2516 mSDtfsCounter, 2 mSDsluCounter, 7529 mSDsCounter, 0 mSdLazyCounter, 1365 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 10045 SdHoareTripleChecker+Invalid, 1366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1365 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-12-14 15:28:14,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 10045 Invalid, 1366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1365 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2022-12-14 15:28:14,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76543 states. [2022-12-14 15:28:25,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76543 to 76349. [2022-12-14 15:28:25,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76349 states, 43827 states have (on average 1.2297670385835215) internal successors, (53897), 45547 states have internal predecessors, (53897), 23105 states have call successors, (23105), 8194 states have call predecessors, (23105), 9401 states have return successors, (33970), 23604 states have call predecessors, (33970), 23101 states have call successors, (33970) [2022-12-14 15:28:26,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76349 states to 76349 states and 110972 transitions. [2022-12-14 15:28:26,138 INFO L78 Accepts]: Start accepts. Automaton has 76349 states and 110972 transitions. Word has length 284 [2022-12-14 15:28:26,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:28:26,138 INFO L495 AbstractCegarLoop]: Abstraction has 76349 states and 110972 transitions. [2022-12-14 15:28:26,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (53), 2 states have call predecessors, (53), 3 states have return successors, (49), 3 states have call predecessors, (49), 2 states have call successors, (49) [2022-12-14 15:28:26,139 INFO L276 IsEmpty]: Start isEmpty. Operand 76349 states and 110972 transitions. [2022-12-14 15:28:26,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2022-12-14 15:28:26,145 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:28:26,146 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 8, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:28:26,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-12-14 15:28:26,146 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-12-14 15:28:26,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:28:26,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1596475893, now seen corresponding path program 1 times [2022-12-14 15:28:26,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:28:26,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995914274] [2022-12-14 15:28:26,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:28:26,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:28:26,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:28:27,146 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 503 trivial. 0 not checked. [2022-12-14 15:28:27,146 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:28:27,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995914274] [2022-12-14 15:28:27,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995914274] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:28:27,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1677223444] [2022-12-14 15:28:27,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:28:27,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:28:27,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:28:27,147 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:28:27,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-14 15:28:28,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:28:28,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 4601 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 15:28:28,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:28:28,321 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 249 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2022-12-14 15:28:28,321 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:28:28,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1677223444] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:28:28,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 15:28:28,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 15 [2022-12-14 15:28:28,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074984331] [2022-12-14 15:28:28,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:28:28,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 15:28:28,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:28:28,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 15:28:28,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2022-12-14 15:28:28,323 INFO L87 Difference]: Start difference. First operand 76349 states and 110972 transitions. Second operand has 9 states, 6 states have (on average 20.166666666666668) internal successors, (121), 9 states have internal predecessors, (121), 5 states have call successors, (58), 2 states have call predecessors, (58), 5 states have return successors, (54), 5 states have call predecessors, (54), 5 states have call successors, (54) [2022-12-14 15:28:31,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:28:49,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:28:49,675 INFO L93 Difference]: Finished difference Result 142738 states and 207517 transitions. [2022-12-14 15:28:49,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 15:28:49,676 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 6 states have (on average 20.166666666666668) internal successors, (121), 9 states have internal predecessors, (121), 5 states have call successors, (58), 2 states have call predecessors, (58), 5 states have return successors, (54), 5 states have call predecessors, (54), 5 states have call successors, (54) Word has length 298 [2022-12-14 15:28:49,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:28:50,017 INFO L225 Difference]: With dead ends: 142738 [2022-12-14 15:28:50,017 INFO L226 Difference]: Without dead ends: 80545 [2022-12-14 15:28:50,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2022-12-14 15:28:50,220 INFO L413 NwaCegarLoop]: 2540 mSDtfsCounter, 87 mSDsluCounter, 17589 mSDsCounter, 0 mSdLazyCounter, 3246 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 20129 SdHoareTripleChecker+Invalid, 3247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3246 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-12-14 15:28:50,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 20129 Invalid, 3247 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 3246 Invalid, 1 Unknown, 0 Unchecked, 8.2s Time] [2022-12-14 15:28:50,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80545 states. [2022-12-14 15:29:01,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80545 to 76477. [2022-12-14 15:29:01,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76477 states, 43923 states have (on average 1.2299933975365982) internal successors, (54025), 45643 states have internal predecessors, (54025), 23137 states have call successors, (23137), 8194 states have call predecessors, (23137), 9401 states have return successors, (34002), 23636 states have call predecessors, (34002), 23133 states have call successors, (34002) [2022-12-14 15:29:01,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76477 states to 76477 states and 111164 transitions. [2022-12-14 15:29:01,934 INFO L78 Accepts]: Start accepts. Automaton has 76477 states and 111164 transitions. Word has length 298 [2022-12-14 15:29:01,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:29:01,934 INFO L495 AbstractCegarLoop]: Abstraction has 76477 states and 111164 transitions. [2022-12-14 15:29:01,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 6 states have (on average 20.166666666666668) internal successors, (121), 9 states have internal predecessors, (121), 5 states have call successors, (58), 2 states have call predecessors, (58), 5 states have return successors, (54), 5 states have call predecessors, (54), 5 states have call successors, (54) [2022-12-14 15:29:01,934 INFO L276 IsEmpty]: Start isEmpty. Operand 76477 states and 111164 transitions. [2022-12-14 15:29:01,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2022-12-14 15:29:01,939 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:29:01,939 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 9, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:29:01,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-14 15:29:02,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:29:02,140 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-12-14 15:29:02,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:29:02,141 INFO L85 PathProgramCache]: Analyzing trace with hash 2033418335, now seen corresponding path program 1 times [2022-12-14 15:29:02,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:29:02,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891269865] [2022-12-14 15:29:02,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:29:02,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:29:02,271 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 15:29:02,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [671792975] [2022-12-14 15:29:02,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:29:02,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:29:02,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:29:02,272 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:29:02,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-14 15:29:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:29:03,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 5843 conjuncts, 40 conjunts are in the unsatisfiable core [2022-12-14 15:29:03,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:29:03,491 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 434 trivial. 0 not checked. [2022-12-14 15:29:03,491 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:29:03,491 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:29:03,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891269865] [2022-12-14 15:29:03,491 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 15:29:03,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671792975] [2022-12-14 15:29:03,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [671792975] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:29:03,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:29:03,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 15:29:03,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739495836] [2022-12-14 15:29:03,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:29:03,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 15:29:03,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:29:03,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 15:29:03,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-12-14 15:29:03,493 INFO L87 Difference]: Start difference. First operand 76477 states and 111164 transitions. Second operand has 11 states, 8 states have (on average 16.75) internal successors, (134), 10 states have internal predecessors, (134), 6 states have call successors, (60), 2 states have call predecessors, (60), 4 states have return successors, (59), 6 states have call predecessors, (59), 6 states have call successors, (59) [2022-12-14 15:29:06,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:29:25,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:29:25,360 INFO L93 Difference]: Finished difference Result 136844 states and 196300 transitions. [2022-12-14 15:29:25,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 15:29:25,361 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 16.75) internal successors, (134), 10 states have internal predecessors, (134), 6 states have call successors, (60), 2 states have call predecessors, (60), 4 states have return successors, (59), 6 states have call predecessors, (59), 6 states have call successors, (59) Word has length 361 [2022-12-14 15:29:25,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:29:25,682 INFO L225 Difference]: With dead ends: 136844 [2022-12-14 15:29:25,682 INFO L226 Difference]: Without dead ends: 76475 [2022-12-14 15:29:25,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 351 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2022-12-14 15:29:25,875 INFO L413 NwaCegarLoop]: 2474 mSDtfsCounter, 16 mSDsluCounter, 22143 mSDsCounter, 0 mSdLazyCounter, 3896 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 24617 SdHoareTripleChecker+Invalid, 3910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 3896 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-12-14 15:29:25,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 24617 Invalid, 3910 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 3896 Invalid, 1 Unknown, 0 Unchecked, 9.7s Time] [2022-12-14 15:29:25,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76475 states. [2022-12-14 15:29:36,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76475 to 76475. [2022-12-14 15:29:36,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76475 states, 43921 states have (on average 1.2299811024339153) internal successors, (54022), 45642 states have internal predecessors, (54022), 23137 states have call successors, (23137), 8194 states have call predecessors, (23137), 9401 states have return successors, (34001), 23635 states have call predecessors, (34001), 23133 states have call successors, (34001) [2022-12-14 15:29:37,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76475 states to 76475 states and 111160 transitions. [2022-12-14 15:29:37,067 INFO L78 Accepts]: Start accepts. Automaton has 76475 states and 111160 transitions. Word has length 361 [2022-12-14 15:29:37,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:29:37,068 INFO L495 AbstractCegarLoop]: Abstraction has 76475 states and 111160 transitions. [2022-12-14 15:29:37,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 16.75) internal successors, (134), 10 states have internal predecessors, (134), 6 states have call successors, (60), 2 states have call predecessors, (60), 4 states have return successors, (59), 6 states have call predecessors, (59), 6 states have call successors, (59) [2022-12-14 15:29:37,068 INFO L276 IsEmpty]: Start isEmpty. Operand 76475 states and 111160 transitions. [2022-12-14 15:29:37,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2022-12-14 15:29:37,073 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:29:37,073 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 10, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:29:37,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-12-14 15:29:37,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2022-12-14 15:29:37,275 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-12-14 15:29:37,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:29:37,276 INFO L85 PathProgramCache]: Analyzing trace with hash 2074232914, now seen corresponding path program 1 times [2022-12-14 15:29:37,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:29:37,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980239809] [2022-12-14 15:29:37,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:29:37,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:29:37,390 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 15:29:37,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1478431416] [2022-12-14 15:29:37,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:29:37,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:29:37,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:29:37,392 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:29:37,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-12-14 15:29:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:29:38,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 5257 conjuncts, 40 conjunts are in the unsatisfiable core [2022-12-14 15:29:38,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:29:38,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1051 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2022-12-14 15:29:38,616 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:29:38,617 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:29:38,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980239809] [2022-12-14 15:29:38,617 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 15:29:38,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1478431416] [2022-12-14 15:29:38,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1478431416] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:29:38,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:29:38,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-14 15:29:38,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751136429] [2022-12-14 15:29:38,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:29:38,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 15:29:38,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:29:38,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 15:29:38,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-12-14 15:29:38,618 INFO L87 Difference]: Start difference. First operand 76475 states and 111160 transitions. Second operand has 12 states, 9 states have (on average 15.0) internal successors, (135), 11 states have internal predecessors, (135), 7 states have call successors, (70), 2 states have call predecessors, (70), 4 states have return successors, (65), 7 states have call predecessors, (65), 7 states have call successors, (65) [2022-12-14 15:29:41,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:30:00,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:30:00,241 INFO L93 Difference]: Finished difference Result 136842 states and 196296 transitions. [2022-12-14 15:30:00,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 15:30:00,242 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 15.0) internal successors, (135), 11 states have internal predecessors, (135), 7 states have call successors, (70), 2 states have call predecessors, (70), 4 states have return successors, (65), 7 states have call predecessors, (65), 7 states have call successors, (65) Word has length 387 [2022-12-14 15:30:00,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:30:00,546 INFO L225 Difference]: With dead ends: 136842 [2022-12-14 15:30:00,546 INFO L226 Difference]: Without dead ends: 76458 [2022-12-14 15:30:00,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 392 GetRequests, 376 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2022-12-14 15:30:00,743 INFO L413 NwaCegarLoop]: 2472 mSDtfsCounter, 22 mSDsluCounter, 24588 mSDsCounter, 0 mSdLazyCounter, 4287 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 27060 SdHoareTripleChecker+Invalid, 4306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 4287 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-12-14 15:30:00,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 27060 Invalid, 4306 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [18 Valid, 4287 Invalid, 1 Unknown, 0 Unchecked, 10.1s Time] [2022-12-14 15:30:00,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76458 states. [2022-12-14 15:30:11,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76458 to 76458. [2022-12-14 15:30:11,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76458 states, 43912 states have (on average 1.2299826926580433) internal successors, (54011), 45634 states have internal predecessors, (54011), 23133 states have call successors, (23133), 8191 states have call predecessors, (23133), 9397 states have return successors, (33994), 23628 states have call predecessors, (33994), 23129 states have call successors, (33994) [2022-12-14 15:30:12,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76458 states to 76458 states and 111138 transitions. [2022-12-14 15:30:12,087 INFO L78 Accepts]: Start accepts. Automaton has 76458 states and 111138 transitions. Word has length 387 [2022-12-14 15:30:12,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:30:12,088 INFO L495 AbstractCegarLoop]: Abstraction has 76458 states and 111138 transitions. [2022-12-14 15:30:12,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 15.0) internal successors, (135), 11 states have internal predecessors, (135), 7 states have call successors, (70), 2 states have call predecessors, (70), 4 states have return successors, (65), 7 states have call predecessors, (65), 7 states have call successors, (65) [2022-12-14 15:30:12,088 INFO L276 IsEmpty]: Start isEmpty. Operand 76458 states and 111138 transitions. [2022-12-14 15:30:12,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2022-12-14 15:30:12,093 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:30:12,093 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 11, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:30:12,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-12-14 15:30:12,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2022-12-14 15:30:12,295 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-12-14 15:30:12,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:30:12,296 INFO L85 PathProgramCache]: Analyzing trace with hash 875933786, now seen corresponding path program 1 times [2022-12-14 15:30:12,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:30:12,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299109010] [2022-12-14 15:30:12,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:30:12,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:30:12,437 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 15:30:12,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [537226234] [2022-12-14 15:30:12,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:30:12,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:30:12,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:30:12,439 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:30:12,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7966458f-4a2f-416c-b6cc-1fb88bf0ff39/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-12-14 15:30:13,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:30:13,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 5245 conjuncts, 56 conjunts are in the unsatisfiable core [2022-12-14 15:30:14,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:30:14,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1120 backedges. 577 proven. 2 refuted. 0 times theorem prover too weak. 541 trivial. 0 not checked. [2022-12-14 15:30:14,167 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:30:14,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1120 backedges. 30 proven. 61 refuted. 0 times theorem prover too weak. 1029 trivial. 0 not checked. [2022-12-14 15:30:14,589 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:30:14,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299109010] [2022-12-14 15:30:14,589 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 15:30:14,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [537226234] [2022-12-14 15:30:14,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [537226234] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:30:14,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1615540293] [2022-12-14 15:30:14,608 INFO L159 IcfgInterpreter]: Started Sifa with 217 locations of interest [2022-12-14 15:30:14,608 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 15:30:14,611 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 15:30:14,614 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 15:30:14,615 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 15:30:20,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-12-14 15:30:20,672 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-12-14 15:30:21,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-12-14 15:30:21,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-12-14 15:30:21,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-12-14 15:30:22,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-12-14 15:30:23,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16