./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--usb--gadget--udc--net2272.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d9035b4ec3c8be0c8a62b9c4cf3880a262fca73149d78c2d88c8226ff5942d9e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 22:14:30,313 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:14:30,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:14:30,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:14:30,357 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:14:30,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:14:30,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:14:30,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:14:30,363 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:14:30,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:14:30,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:14:30,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:14:30,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:14:30,368 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:14:30,370 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:14:30,371 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:14:30,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:14:30,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:14:30,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:14:30,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:14:30,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:14:30,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:14:30,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:14:30,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:14:30,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:14:30,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:14:30,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:14:30,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:14:30,389 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:14:30,391 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:14:30,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:14:30,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:14:30,393 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:14:30,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:14:30,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:14:30,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:14:30,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:14:30,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:14:30,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:14:30,399 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:14:30,400 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:14:30,401 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 22:14:30,425 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:14:30,426 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:14:30,426 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:14:30,427 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:14:30,427 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:14:30,428 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:14:30,428 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:14:30,428 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:14:30,429 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:14:30,429 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:14:30,429 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:14:30,430 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:14:30,430 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:14:30,430 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:14:30,430 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:14:30,431 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:14:30,431 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:14:30,431 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:14:30,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:14:30,433 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:14:30,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:14:30,433 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:14:30,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:14:30,434 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:14:30,434 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:14:30,434 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:14:30,435 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:14:30,435 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:14:30,435 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:14:30,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:14:30,436 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:14:30,436 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:14:30,436 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:14:30,437 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:14:30,437 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:14:30,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:14:30,437 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:14:30,438 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:14:30,438 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_8a07e5f4-a002-44e9-8975-ee0a81206f91/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9035b4ec3c8be0c8a62b9c4cf3880a262fca73149d78c2d88c8226ff5942d9e [2022-11-25 22:14:30,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:14:30,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:14:30,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:14:30,740 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:14:30,741 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:14:30,742 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i [2022-11-25 22:14:33,841 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:14:34,456 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:14:34,457 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i [2022-11-25 22:14:34,502 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/bin/utaipan-ByfvJB40ur/data/dd4f8cef5/f18f3f21ae304465a21d4d3198d4e149/FLAG16d9a9b35 [2022-11-25 22:14:34,522 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/bin/utaipan-ByfvJB40ur/data/dd4f8cef5/f18f3f21ae304465a21d4d3198d4e149 [2022-11-25 22:14:34,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:14:34,526 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:14:34,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:14:34,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:14:34,532 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:14:34,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:14:34" (1/1) ... [2022-11-25 22:14:34,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cfefec1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:14:34, skipping insertion in model container [2022-11-25 22:14:34,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:14:34" (1/1) ... [2022-11-25 22:14:34,543 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:14:34,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:14:35,817 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 22:14:35,827 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-25 22:14:35,954 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 22:14:35,964 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 22:14:35,974 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 22:14:36,186 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 22:14:36,389 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:36,490 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:36,522 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:14:36,525 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:14:36,533 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_unmap_request [2022-11-25 22:14:36,534 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_giveback_request [2022-11-25 22:14:36,598 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:14:36,649 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_map_request [2022-11-25 22:14:36,653 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:36,668 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:36,737 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-11-25 22:14:36,738 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-11-25 22:14:36,744 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-11-25 22:14:36,746 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-11-25 22:14:36,752 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-11-25 22:14:36,754 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-11-25 22:14:36,756 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-11-25 22:14:36,875 WARN L623 FunctionHandler]: Unknown extern function usb_speed_string [2022-11-25 22:14:36,876 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:36,889 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:36,897 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:36,899 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:36,900 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_udc_reset [2022-11-25 22:14:36,903 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:36,906 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:36,918 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:36,920 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:36,922 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:36,925 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:36,926 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:36,932 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:14:36,937 WARN L623 FunctionHandler]: Unknown extern function usb_del_gadget_udc [2022-11-25 22:14:36,937 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-11-25 22:14:36,938 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 22:14:36,945 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:36,946 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:14:36,952 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 22:14:36,953 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:14:36,954 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 22:14:36,954 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 22:14:36,955 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 22:14:36,955 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-11-25 22:14:36,956 WARN L623 FunctionHandler]: Unknown extern function usb_add_gadget_udc_release [2022-11-25 22:14:36,956 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-11-25 22:14:36,963 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-11-25 22:14:36,965 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:36,966 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-11-25 22:14:36,967 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:36,970 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:14:36,971 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-11-25 22:14:36,978 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-11-25 22:14:36,979 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:36,980 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-11-25 22:14:36,982 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:36,983 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:14:36,984 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 22:14:36,984 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-11-25 22:14:36,991 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 22:14:36,992 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 22:14:36,993 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 22:14:36,993 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:14:36,999 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-11-25 22:14:37,005 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-11-25 22:14:37,012 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 22:14:37,012 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:14:37,029 WARN L623 FunctionHandler]: Unknown extern function platform_get_resource [2022-11-25 22:14:37,029 WARN L623 FunctionHandler]: Unknown extern function platform_get_resource [2022-11-25 22:14:37,029 WARN L623 FunctionHandler]: Unknown extern function platform_get_resource [2022-11-25 22:14:37,030 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:14:37,032 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-11-25 22:14:37,034 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:37,036 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:37,037 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 22:14:37,038 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-11-25 22:14:37,043 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-11-25 22:14:37,044 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:14:37,490 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:14:37,491 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:14:37,492 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:14:37,492 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:14:37,493 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:14:37,493 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:14:37,494 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:14:37,494 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:14:37,495 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:14:37,495 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:14:37,495 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 22:14:37,497 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 22:14:37,499 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 22:14:37,500 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 22:14:37,500 WARN L623 FunctionHandler]: Unknown extern function __platform_driver_register [2022-11-25 22:14:37,501 WARN L623 FunctionHandler]: Unknown extern function platform_driver_unregister [2022-11-25 22:14:37,502 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 22:14:37,503 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 22:14:37,504 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 22:14:38,032 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 22:14:38,309 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:14:38,871 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[374560,374573] [2022-11-25 22:14:38,875 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[374705,374718] [2022-11-25 22:14:38,876 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[374851,374864] [2022-11-25 22:14:38,876 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375016,375029] [2022-11-25 22:14:38,877 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375174,375187] [2022-11-25 22:14:38,877 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375332,375345] [2022-11-25 22:14:38,878 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375490,375503] [2022-11-25 22:14:38,878 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375650,375663] [2022-11-25 22:14:38,879 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375809,375822] [2022-11-25 22:14:38,879 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375948,375961] [2022-11-25 22:14:38,880 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376090,376103] [2022-11-25 22:14:38,880 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376239,376252] [2022-11-25 22:14:38,881 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376378,376391] [2022-11-25 22:14:38,881 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376533,376546] [2022-11-25 22:14:38,882 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376693,376706] [2022-11-25 22:14:38,882 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376844,376857] [2022-11-25 22:14:38,883 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376995,377008] [2022-11-25 22:14:38,883 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377147,377160] [2022-11-25 22:14:38,884 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377296,377309] [2022-11-25 22:14:38,884 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377444,377457] [2022-11-25 22:14:38,885 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377601,377614] [2022-11-25 22:14:38,885 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377750,377763] [2022-11-25 22:14:38,886 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377906,377919] [2022-11-25 22:14:38,886 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378059,378072] [2022-11-25 22:14:38,887 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378205,378218] [2022-11-25 22:14:38,887 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378348,378361] [2022-11-25 22:14:38,888 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378500,378513] [2022-11-25 22:14:38,888 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378646,378659] [2022-11-25 22:14:38,889 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378791,378804] [2022-11-25 22:14:38,889 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378945,378958] [2022-11-25 22:14:38,890 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379096,379109] [2022-11-25 22:14:38,890 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379251,379264] [2022-11-25 22:14:38,928 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379403,379416] [2022-11-25 22:14:38,928 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379558,379571] [2022-11-25 22:14:38,928 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379722,379735] [2022-11-25 22:14:38,929 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379878,379891] [2022-11-25 22:14:38,929 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380042,380055] [2022-11-25 22:14:38,929 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380184,380197] [2022-11-25 22:14:38,930 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380342,380355] [2022-11-25 22:14:38,930 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380509,380522] [2022-11-25 22:14:38,931 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380668,380681] [2022-11-25 22:14:38,931 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380827,380840] [2022-11-25 22:14:38,931 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380976,380989] [2022-11-25 22:14:38,932 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381123,381136] [2022-11-25 22:14:38,932 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381262,381275] [2022-11-25 22:14:38,932 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381425,381438] [2022-11-25 22:14:38,933 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381591,381604] [2022-11-25 22:14:38,933 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381755,381768] [2022-11-25 22:14:38,933 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381920,381933] [2022-11-25 22:14:38,934 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382085,382098] [2022-11-25 22:14:38,934 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382251,382264] [2022-11-25 22:14:38,935 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382416,382429] [2022-11-25 22:14:38,936 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382583,382596] [2022-11-25 22:14:38,936 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382743,382756] [2022-11-25 22:14:38,936 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382905,382918] [2022-11-25 22:14:38,937 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383064,383077] [2022-11-25 22:14:38,937 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383210,383223] [2022-11-25 22:14:38,938 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383353,383366] [2022-11-25 22:14:38,938 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383497,383510] [2022-11-25 22:14:38,939 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383640,383653] [2022-11-25 22:14:38,939 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383784,383797] [2022-11-25 22:14:38,939 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383925,383938] [2022-11-25 22:14:38,940 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384063,384076] [2022-11-25 22:14:38,940 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384221,384234] [2022-11-25 22:14:38,941 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384380,384393] [2022-11-25 22:14:38,941 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384536,384549] [2022-11-25 22:14:38,942 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384685,384698] [2022-11-25 22:14:38,942 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384837,384850] [2022-11-25 22:14:38,942 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384988,385001] [2022-11-25 22:14:38,943 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385137,385150] [2022-11-25 22:14:38,943 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385289,385302] [2022-11-25 22:14:38,944 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385437,385450] [2022-11-25 22:14:38,944 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385590,385603] [2022-11-25 22:14:38,945 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385741,385754] [2022-11-25 22:14:38,945 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385891,385904] [2022-11-25 22:14:38,946 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386038,386051] [2022-11-25 22:14:38,946 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386189,386202] [2022-11-25 22:14:38,946 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386340,386353] [2022-11-25 22:14:38,947 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386488,386501] [2022-11-25 22:14:38,947 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386654,386667] [2022-11-25 22:14:38,948 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386823,386836] [2022-11-25 22:14:38,948 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386990,387003] [2022-11-25 22:14:38,948 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387158,387171] [2022-11-25 22:14:38,949 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387308,387321] [2022-11-25 22:14:38,949 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387455,387468] [2022-11-25 22:14:38,950 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387616,387629] [2022-11-25 22:14:38,950 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387786,387799] [2022-11-25 22:14:38,951 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387948,387961] [2022-11-25 22:14:38,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:14:38,980 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:14:39,067 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 22:14:39,067 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-25 22:14:39,069 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 22:14:39,070 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 22:14:39,070 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 22:14:39,073 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 22:14:39,084 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:39,096 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:39,101 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:14:39,102 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:14:39,105 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_unmap_request [2022-11-25 22:14:39,105 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_giveback_request [2022-11-25 22:14:39,125 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:14:39,149 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_map_request [2022-11-25 22:14:39,153 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:39,158 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:39,177 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-11-25 22:14:39,180 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-11-25 22:14:39,238 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-11-25 22:14:39,239 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-11-25 22:14:39,242 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-11-25 22:14:39,243 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-11-25 22:14:39,244 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-11-25 22:14:39,273 WARN L623 FunctionHandler]: Unknown extern function usb_speed_string [2022-11-25 22:14:39,274 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:39,287 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:39,290 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:39,292 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:39,294 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_udc_reset [2022-11-25 22:14:39,297 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:39,299 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:39,303 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:39,305 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:39,306 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:39,308 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:39,309 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:39,310 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:14:39,310 WARN L623 FunctionHandler]: Unknown extern function usb_del_gadget_udc [2022-11-25 22:14:39,310 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-11-25 22:14:39,311 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 22:14:39,312 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:39,313 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:14:39,314 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 22:14:39,314 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:14:39,315 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 22:14:39,315 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 22:14:39,316 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 22:14:39,316 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-11-25 22:14:39,316 WARN L623 FunctionHandler]: Unknown extern function usb_add_gadget_udc_release [2022-11-25 22:14:39,317 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-11-25 22:14:39,319 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-11-25 22:14:39,320 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:39,321 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-11-25 22:14:39,322 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:39,327 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:14:39,327 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-11-25 22:14:39,331 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-11-25 22:14:39,334 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:39,335 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-11-25 22:14:39,336 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:39,337 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:14:39,337 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 22:14:39,338 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-11-25 22:14:39,340 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 22:14:39,341 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 22:14:39,343 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 22:14:39,344 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:14:39,345 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-11-25 22:14:39,354 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-11-25 22:14:39,355 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 22:14:39,356 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:14:39,358 WARN L623 FunctionHandler]: Unknown extern function platform_get_resource [2022-11-25 22:14:39,358 WARN L623 FunctionHandler]: Unknown extern function platform_get_resource [2022-11-25 22:14:39,358 WARN L623 FunctionHandler]: Unknown extern function platform_get_resource [2022-11-25 22:14:39,359 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:14:39,360 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-11-25 22:14:39,361 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:39,363 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:14:39,364 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 22:14:39,370 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-11-25 22:14:39,372 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-11-25 22:14:39,375 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:14:39,429 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:14:39,429 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:14:39,430 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:14:39,430 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:14:39,431 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:14:39,431 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:14:39,431 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:14:39,432 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:14:39,437 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:14:39,438 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:14:39,438 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 22:14:39,439 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 22:14:39,440 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 22:14:39,441 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 22:14:39,441 WARN L623 FunctionHandler]: Unknown extern function __platform_driver_register [2022-11-25 22:14:39,442 WARN L623 FunctionHandler]: Unknown extern function platform_driver_unregister [2022-11-25 22:14:39,443 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 22:14:39,443 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 22:14:39,444 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 22:14:39,488 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 22:14:39,498 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:14:39,526 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[374560,374573] [2022-11-25 22:14:39,527 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[374705,374718] [2022-11-25 22:14:39,527 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[374851,374864] [2022-11-25 22:14:39,528 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375016,375029] [2022-11-25 22:14:39,533 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375174,375187] [2022-11-25 22:14:39,534 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375332,375345] [2022-11-25 22:14:39,535 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375490,375503] [2022-11-25 22:14:39,536 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375650,375663] [2022-11-25 22:14:39,536 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375809,375822] [2022-11-25 22:14:39,537 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375948,375961] [2022-11-25 22:14:39,537 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376090,376103] [2022-11-25 22:14:39,538 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376239,376252] [2022-11-25 22:14:39,538 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376378,376391] [2022-11-25 22:14:39,539 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376533,376546] [2022-11-25 22:14:39,539 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376693,376706] [2022-11-25 22:14:39,540 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376844,376857] [2022-11-25 22:14:39,540 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376995,377008] [2022-11-25 22:14:39,541 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377147,377160] [2022-11-25 22:14:39,541 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377296,377309] [2022-11-25 22:14:39,542 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377444,377457] [2022-11-25 22:14:39,542 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377601,377614] [2022-11-25 22:14:39,543 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377750,377763] [2022-11-25 22:14:39,543 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377906,377919] [2022-11-25 22:14:39,544 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378059,378072] [2022-11-25 22:14:39,548 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378205,378218] [2022-11-25 22:14:39,549 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378348,378361] [2022-11-25 22:14:39,549 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378500,378513] [2022-11-25 22:14:39,550 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378646,378659] [2022-11-25 22:14:39,550 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378791,378804] [2022-11-25 22:14:39,551 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378945,378958] [2022-11-25 22:14:39,551 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379096,379109] [2022-11-25 22:14:39,552 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379251,379264] [2022-11-25 22:14:39,552 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379403,379416] [2022-11-25 22:14:39,553 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379558,379571] [2022-11-25 22:14:39,553 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379722,379735] [2022-11-25 22:14:39,554 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379878,379891] [2022-11-25 22:14:39,554 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380042,380055] [2022-11-25 22:14:39,556 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380184,380197] [2022-11-25 22:14:39,557 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380342,380355] [2022-11-25 22:14:39,558 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380509,380522] [2022-11-25 22:14:39,560 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380668,380681] [2022-11-25 22:14:39,561 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380827,380840] [2022-11-25 22:14:39,561 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380976,380989] [2022-11-25 22:14:39,562 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381123,381136] [2022-11-25 22:14:39,562 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381262,381275] [2022-11-25 22:14:39,563 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381425,381438] [2022-11-25 22:14:39,565 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381591,381604] [2022-11-25 22:14:39,565 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381755,381768] [2022-11-25 22:14:39,571 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381920,381933] [2022-11-25 22:14:39,571 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382085,382098] [2022-11-25 22:14:39,572 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382251,382264] [2022-11-25 22:14:39,572 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382416,382429] [2022-11-25 22:14:39,573 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382583,382596] [2022-11-25 22:14:39,573 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382743,382756] [2022-11-25 22:14:39,574 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382905,382918] [2022-11-25 22:14:39,574 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383064,383077] [2022-11-25 22:14:39,575 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383210,383223] [2022-11-25 22:14:39,576 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383353,383366] [2022-11-25 22:14:39,577 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383497,383510] [2022-11-25 22:14:39,577 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383640,383653] [2022-11-25 22:14:39,578 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383784,383797] [2022-11-25 22:14:39,578 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383925,383938] [2022-11-25 22:14:39,579 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384063,384076] [2022-11-25 22:14:39,580 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384221,384234] [2022-11-25 22:14:39,580 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384380,384393] [2022-11-25 22:14:39,580 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384536,384549] [2022-11-25 22:14:39,581 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384685,384698] [2022-11-25 22:14:39,581 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384837,384850] [2022-11-25 22:14:39,587 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384988,385001] [2022-11-25 22:14:39,588 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385137,385150] [2022-11-25 22:14:39,588 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385289,385302] [2022-11-25 22:14:39,589 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385437,385450] [2022-11-25 22:14:39,589 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385590,385603] [2022-11-25 22:14:39,590 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385741,385754] [2022-11-25 22:14:39,591 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385891,385904] [2022-11-25 22:14:39,591 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386038,386051] [2022-11-25 22:14:39,592 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386189,386202] [2022-11-25 22:14:39,592 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386340,386353] [2022-11-25 22:14:39,594 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386488,386501] [2022-11-25 22:14:39,595 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386654,386667] [2022-11-25 22:14:39,596 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386823,386836] [2022-11-25 22:14:39,596 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386990,387003] [2022-11-25 22:14:39,596 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387158,387171] [2022-11-25 22:14:39,597 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387308,387321] [2022-11-25 22:14:39,597 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387455,387468] [2022-11-25 22:14:39,598 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387616,387629] [2022-11-25 22:14:39,598 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387786,387799] [2022-11-25 22:14:39,599 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387948,387961] [2022-11-25 22:14:39,602 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:14:39,892 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:14:39,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:14:39 WrapperNode [2022-11-25 22:14:39,893 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:14:39,894 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:14:39,894 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:14:39,894 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:14:39,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:14:39" (1/1) ... [2022-11-25 22:14:40,026 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:14:39" (1/1) ... [2022-11-25 22:14:40,291 INFO L138 Inliner]: procedures = 640, calls = 3018, calls flagged for inlining = 295, calls inlined = 219, statements flattened = 6490 [2022-11-25 22:14:40,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:14:40,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:14:40,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:14:40,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:14:40,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:14:39" (1/1) ... [2022-11-25 22:14:40,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:14:39" (1/1) ... [2022-11-25 22:14:40,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:14:39" (1/1) ... [2022-11-25 22:14:40,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:14:39" (1/1) ... [2022-11-25 22:14:40,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:14:39" (1/1) ... [2022-11-25 22:14:40,682 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:14:39" (1/1) ... [2022-11-25 22:14:40,724 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:14:39" (1/1) ... [2022-11-25 22:14:40,738 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:14:39" (1/1) ... [2022-11-25 22:14:40,795 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:14:40,796 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:14:40,796 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:14:40,797 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:14:40,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:14:39" (1/1) ... [2022-11-25 22:14:40,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:14:40,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:14:40,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:14:40,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:14:40,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2022-11-25 22:14:40,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2022-11-25 22:14:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-25 22:14:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-25 22:14:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-25 22:14:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-25 22:14:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_wakeup [2022-11-25 22:14:40,871 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_wakeup [2022-11-25 22:14:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_read_fifo [2022-11-25 22:14:40,871 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_read_fifo [2022-11-25 22:14:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_write_fifo [2022-11-25 22:14:40,871 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_write_fifo [2022-11-25 22:14:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 22:14:40,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 22:14:40,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_net2272 [2022-11-25 22:14:40,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_net2272 [2022-11-25 22:14:40,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_remap [2022-11-25 22:14:40,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_remap [2022-11-25 22:14:40,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-25 22:14:40,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-25 22:14:40,872 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-25 22:14:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-25 22:14:40,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-25 22:14:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-25 22:14:40,873 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_read [2022-11-25 22:14:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_read [2022-11-25 22:14:40,873 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-11-25 22:14:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-11-25 22:14:40,873 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_enable [2022-11-25 22:14:40,874 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_enable [2022-11-25 22:14:40,874 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_pio_advance [2022-11-25 22:14:40,874 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_pio_advance [2022-11-25 22:14:40,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-25 22:14:40,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-25 22:14:40,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-25 22:14:40,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-25 22:14:40,875 INFO L130 BoogieDeclarations]: Found specification of procedure set_fifo_bytecount [2022-11-25 22:14:40,875 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fifo_bytecount [2022-11-25 22:14:40,875 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_usb_reset [2022-11-25 22:14:40,875 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_usb_reset [2022-11-25 22:14:40,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-25 22:14:40,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-25 22:14:40,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-25 22:14:40,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-25 22:14:40,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-25 22:14:40,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-25 22:14:40,876 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_usb_reinit [2022-11-25 22:14:40,876 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_usb_reinit [2022-11-25 22:14:40,876 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_pci_unregister [2022-11-25 22:14:40,876 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_pci_unregister [2022-11-25 22:14:40,876 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-11-25 22:14:40,877 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-11-25 22:14:40,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:14:40,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_101 [2022-11-25 22:14:40,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_101 [2022-11-25 22:14:40,877 INFO L130 BoogieDeclarations]: Found specification of procedure type_string [2022-11-25 22:14:40,877 INFO L138 BoogieDeclarations]: Found implementation of procedure type_string [2022-11-25 22:14:40,877 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_gadget_release [2022-11-25 22:14:40,877 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_gadget_release [2022-11-25 22:14:40,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-25 22:14:40,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-25 22:14:40,878 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_handle_dma [2022-11-25 22:14:40,878 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_handle_dma [2022-11-25 22:14:40,879 INFO L130 BoogieDeclarations]: Found specification of procedure allow_status [2022-11-25 22:14:40,879 INFO L138 BoogieDeclarations]: Found implementation of procedure allow_status [2022-11-25 22:14:40,879 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-25 22:14:40,879 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-25 22:14:40,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-25 22:14:40,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-25 22:14:40,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-25 22:14:40,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-25 22:14:40,880 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_request_dma [2022-11-25 22:14:40,880 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_request_dma [2022-11-25 22:14:40,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-25 22:14:40,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-25 22:14:40,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 22:14:40,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-25 22:14:40,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-25 22:14:40,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-25 22:14:40,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-25 22:14:40,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-25 22:14:40,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-25 22:14:40,881 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_ep_read [2022-11-25 22:14:40,881 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_ep_read [2022-11-25 22:14:40,881 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-25 22:14:40,881 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-25 22:14:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-25 22:14:40,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-25 22:14:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-25 22:14:40,882 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-25 22:14:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-25 22:14:40,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-25 22:14:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2022-11-25 22:14:40,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2022-11-25 22:14:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_set_halt_and_wedge [2022-11-25 22:14:40,883 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_set_halt_and_wedge [2022-11-25 22:14:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 22:14:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2022-11-25 22:14:40,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2022-11-25 22:14:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-25 22:14:40,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-25 22:14:40,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:14:40,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-25 22:14:40,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-25 22:14:40,884 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-25 22:14:40,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-25 22:14:40,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 22:14:40,884 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 22:14:40,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 22:14:40,885 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-25 22:14:40,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-25 22:14:40,885 INFO L130 BoogieDeclarations]: Found specification of procedure set_halt [2022-11-25 22:14:40,885 INFO L138 BoogieDeclarations]: Found implementation of procedure set_halt [2022-11-25 22:14:40,885 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_set_maxpacket_limit [2022-11-25 22:14:40,885 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_set_maxpacket_limit [2022-11-25 22:14:40,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-25 22:14:40,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-25 22:14:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-25 22:14:40,886 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-25 22:14:40,887 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_set_wedge [2022-11-25 22:14:40,887 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_set_wedge [2022-11-25 22:14:40,887 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_ep_reset [2022-11-25 22:14:40,887 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_ep_reset [2022-11-25 22:14:40,888 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-25 22:14:40,888 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-25 22:14:40,888 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-25 22:14:40,888 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-25 22:14:40,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:14:40,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:14:40,888 INFO L130 BoogieDeclarations]: Found specification of procedure stop_activity [2022-11-25 22:14:40,888 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_activity [2022-11-25 22:14:40,889 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-25 22:14:40,889 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-25 22:14:40,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 22:14:40,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 22:14:40,889 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_irq [2022-11-25 22:14:40,889 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_irq [2022-11-25 22:14:40,889 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_handle_ep [2022-11-25 22:14:40,889 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_handle_ep [2022-11-25 22:14:40,890 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_start [2022-11-25 22:14:40,890 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_start [2022-11-25 22:14:40,890 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_ep_write [2022-11-25 22:14:40,890 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_ep_write [2022-11-25 22:14:40,890 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_pci_probe [2022-11-25 22:14:40,890 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_pci_probe [2022-11-25 22:14:40,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-25 22:14:40,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-25 22:14:40,891 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_probe_fin [2022-11-25 22:14:40,891 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_probe_fin [2022-11-25 22:14:40,891 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_fifo_flush [2022-11-25 22:14:40,891 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_fifo_flush [2022-11-25 22:14:40,891 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_done [2022-11-25 22:14:40,891 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_done [2022-11-25 22:14:40,891 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_cancel_dma [2022-11-25 22:14:40,891 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_cancel_dma [2022-11-25 22:14:40,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-25 22:14:40,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-25 22:14:40,892 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_dequeue_all [2022-11-25 22:14:40,892 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_dequeue_all [2022-11-25 22:14:40,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-25 22:14:40,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-25 22:14:40,892 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_probe_init [2022-11-25 22:14:40,892 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_probe_init [2022-11-25 22:14:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-25 22:14:40,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-25 22:14:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-25 22:14:40,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-25 22:14:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_remove [2022-11-25 22:14:40,893 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_remove [2022-11-25 22:14:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-25 22:14:40,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-25 22:14:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:14:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-25 22:14:40,894 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-25 22:14:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-25 22:14:40,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-25 22:14:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_fifo_status [2022-11-25 22:14:40,894 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_fifo_status [2022-11-25 22:14:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 22:14:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_130 [2022-11-25 22:14:40,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_130 [2022-11-25 22:14:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_isoc [2022-11-25 22:14:40,895 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_isoc [2022-11-25 22:14:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure buf_state_string [2022-11-25 22:14:40,895 INFO L138 BoogieDeclarations]: Found implementation of procedure buf_state_string [2022-11-25 22:14:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure clear_halt [2022-11-25 22:14:40,896 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_halt [2022-11-25 22:14:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-11-25 22:14:40,896 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-11-25 22:14:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_stop [2022-11-25 22:14:40,896 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_stop [2022-11-25 22:14:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 22:14:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-25 22:14:40,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-25 22:14:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-25 22:14:40,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-25 22:14:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_reg_addr [2022-11-25 22:14:40,897 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_reg_addr [2022-11-25 22:14:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_net2272 [2022-11-25 22:14:40,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_net2272 [2022-11-25 22:14:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-25 22:14:40,897 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-25 22:14:40,898 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_plat_probe [2022-11-25 22:14:40,898 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_plat_probe [2022-11-25 22:14:40,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-25 22:14:40,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-25 22:14:40,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-25 22:14:40,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-25 22:14:40,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_11_2 [2022-11-25 22:14:40,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_11_2 [2022-11-25 22:14:40,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-25 22:14:40,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-25 22:14:40,899 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_write [2022-11-25 22:14:40,899 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_write [2022-11-25 22:14:40,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-25 22:14:40,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-25 22:14:40,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-25 22:14:40,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-25 22:14:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_plat_remove [2022-11-25 22:14:40,900 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_plat_remove [2022-11-25 22:14:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-25 22:14:40,900 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-25 22:14:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_ep0_start [2022-11-25 22:14:40,900 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_ep0_start [2022-11-25 22:14:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-25 22:14:40,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-25 22:14:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-25 22:14:40,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-25 22:14:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:14:40,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:14:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_pci_remove [2022-11-25 22:14:40,901 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_pci_remove [2022-11-25 22:14:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_disable [2022-11-25 22:14:40,901 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_disable [2022-11-25 22:14:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-25 22:14:40,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-25 22:14:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-25 22:14:40,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-25 22:14:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 22:14:40,902 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 22:14:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 22:14:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_handle_stat0_irqs [2022-11-25 22:14:40,903 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_handle_stat0_irqs [2022-11-25 22:14:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-25 22:14:40,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-25 22:14:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 22:14:40,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 22:14:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_get_frame [2022-11-25 22:14:40,903 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_get_frame [2022-11-25 22:14:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-25 22:14:40,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-25 22:14:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_102 [2022-11-25 22:14:40,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_102 [2022-11-25 22:14:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_get_ep_by_addr [2022-11-25 22:14:40,904 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_get_ep_by_addr [2022-11-25 22:14:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-25 22:14:40,904 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-25 22:14:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-25 22:14:40,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-25 22:14:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-25 22:14:40,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-25 22:14:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_0_5 [2022-11-25 22:14:40,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_0_5 [2022-11-25 22:14:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-25 22:14:40,905 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-25 22:14:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_kick_dma [2022-11-25 22:14:40,906 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_kick_dma [2022-11-25 22:14:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_dequeue [2022-11-25 22:14:40,906 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_dequeue [2022-11-25 22:14:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-25 22:14:40,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-25 22:14:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-25 22:14:40,906 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-25 22:14:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:14:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-25 22:14:40,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-11-25 22:14:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2022-11-25 22:14:40,907 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2022-11-25 22:14:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-11-25 22:14:40,907 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-11-25 22:14:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-11-25 22:14:40,907 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-11-25 22:14:41,939 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:14:41,943 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:14:42,217 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 22:14:42,786 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-25 22:14:43,008 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !(0 != assert_out_naking_~tmp___0~4#1); [2022-11-25 22:14:43,008 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##36: assume !(0 == (if 0 == assert_out_naking_~tmp~9#1 % 256 then 0 else (if 32 == assert_out_naking_~tmp~9#1 % 256 then assert_out_naking_~tmp~9#1 % 256 else ~bitwiseAnd(assert_out_naking_~tmp~9#1 % 256, 32)))); [2022-11-25 22:14:43,009 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##35: assume 0 == (if 0 == assert_out_naking_~tmp~9#1 % 256 then 0 else (if 32 == assert_out_naking_~tmp~9#1 % 256 then assert_out_naking_~tmp~9#1 % 256 else ~bitwiseAnd(assert_out_naking_~tmp~9#1 % 256, 32)));call write~$Pointer$(4, 0, assert_out_naking_~#descriptor~0#1.base, assert_out_naking_~#descriptor~0#1.offset, 8);call write~$Pointer$(5, 0, assert_out_naking_~#descriptor~0#1.base, 8 + assert_out_naking_~#descriptor~0#1.offset, 8);call write~$Pointer$(6, 0, assert_out_naking_~#descriptor~0#1.base, 16 + assert_out_naking_~#descriptor~0#1.offset, 8);call write~$Pointer$(7, 0, assert_out_naking_~#descriptor~0#1.base, 24 + assert_out_naking_~#descriptor~0#1.offset, 8);call write~int(131, assert_out_naking_~#descriptor~0#1.base, 32 + assert_out_naking_~#descriptor~0#1.offset, 4);call write~int(0, assert_out_naking_~#descriptor~0#1.base, 36 + assert_out_naking_~#descriptor~0#1.offset, 1);call assert_out_naking_#t~mem117#1 := read~int(assert_out_naking_~#descriptor~0#1.base, 36 + assert_out_naking_~#descriptor~0#1.offset, 1); [2022-11-25 22:14:43,009 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L4822: SUMMARY for call assert_out_naking_#t~ret118#1 := ldv__builtin_expect((if 0 == assert_out_naking_#t~mem117#1 % 256 then 0 else (if 1 == assert_out_naking_#t~mem117#1 % 256 then assert_out_naking_#t~mem117#1 % 256 else ~bitwiseAnd(assert_out_naking_#t~mem117#1 % 256, 1))), 0); srcloc: null [2022-11-25 22:14:43,009 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L4822-1: assume -9223372036854775808 <= assert_out_naking_#t~ret118#1 && assert_out_naking_#t~ret118#1 <= 9223372036854775807;assert_out_naking_~tmp___0~4#1 := assert_out_naking_#t~ret118#1;havoc assert_out_naking_#t~mem117#1;havoc assert_out_naking_#t~ret118#1; [2022-11-25 22:14:43,009 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L4814: call ULTIMATE.dealloc(assert_out_naking_~#descriptor~0#1.base, assert_out_naking_~#descriptor~0#1.offset);havoc assert_out_naking_~#descriptor~0#1.base, assert_out_naking_~#descriptor~0#1.offset; [2022-11-25 22:14:43,009 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L4832: SUMMARY for call net2272_ep_write(assert_out_naking_~ep#1.base, assert_out_naking_~ep#1.offset, 15, 128); srcloc: null [2022-11-25 22:14:43,009 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L4824: goto; [2022-11-25 22:14:43,010 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L4824: assume 0 != assert_out_naking_~tmp___0~4#1;call assert_out_naking_#t~mem119#1.base, assert_out_naking_#t~mem119#1.offset := read~$Pointer$(assert_out_naking_~ep#1.base, 65 + assert_out_naking_~ep#1.offset, 8);call assert_out_naking_#t~mem120#1.base, assert_out_naking_#t~mem120#1.offset := read~$Pointer$(assert_out_naking_#t~mem119#1.base, 1481 + assert_out_naking_#t~mem119#1.offset, 8);call assert_out_naking_#t~mem121#1.base, assert_out_naking_#t~mem121#1.offset := read~$Pointer$(assert_out_naking_~ep#1.base, 8 + assert_out_naking_~ep#1.offset, 8);havoc assert_out_naking_#t~mem119#1.base, assert_out_naking_#t~mem119#1.offset;havoc assert_out_naking_#t~mem120#1.base, assert_out_naking_#t~mem120#1.offset;havoc assert_out_naking_#t~mem121#1.base, assert_out_naking_#t~mem121#1.offset; [2022-11-25 22:14:47,605 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:14:49,077 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:14:49,078 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 22:14:49,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:14:49 BoogieIcfgContainer [2022-11-25 22:14:49,086 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:14:49,092 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:14:49,092 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:14:49,096 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:14:49,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:14:34" (1/3) ... [2022-11-25 22:14:49,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32e09a90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:14:49, skipping insertion in model container [2022-11-25 22:14:49,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:14:39" (2/3) ... [2022-11-25 22:14:49,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32e09a90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:14:49, skipping insertion in model container [2022-11-25 22:14:49,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:14:49" (3/3) ... [2022-11-25 22:14:49,100 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i [2022-11-25 22:14:49,122 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:14:49,122 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-11-25 22:14:49,239 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:14:49,247 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;@4a5f776d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:14:49,248 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2022-11-25 22:14:49,262 INFO L276 IsEmpty]: Start isEmpty. Operand has 2003 states, 1129 states have (on average 1.3170947741364039) internal successors, (1487), 1219 states have internal predecessors, (1487), 711 states have call successors, (711), 135 states have call predecessors, (711), 134 states have return successors, (703), 687 states have call predecessors, (703), 703 states have call successors, (703) [2022-11-25 22:14:49,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-25 22:14:49,277 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:14:49,278 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 22:14:49,279 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_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 22:14:49,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:14:49,286 INFO L85 PathProgramCache]: Analyzing trace with hash -451344616, now seen corresponding path program 1 times [2022-11-25 22:14:49,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:14:49,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002298530] [2022-11-25 22:14:49,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:14:49,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:14:49,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:14:50,447 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:14:50,448 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:14:50,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002298530] [2022-11-25 22:14:50,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002298530] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:14:50,450 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:14:50,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:14:50,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309198618] [2022-11-25 22:14:50,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:14:50,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:14:50,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:14:50,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:14:50,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:14:50,498 INFO L87 Difference]: Start difference. First operand has 2003 states, 1129 states have (on average 1.3170947741364039) internal successors, (1487), 1219 states have internal predecessors, (1487), 711 states have call successors, (711), 135 states have call predecessors, (711), 134 states have return successors, (703), 687 states have call predecessors, (703), 703 states have call successors, (703) Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 22:14:53,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:14:53,436 INFO L93 Difference]: Finished difference Result 5886 states and 8952 transitions. [2022-11-25 22:14:53,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:14:53,439 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 49 [2022-11-25 22:14:53,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:14:53,499 INFO L225 Difference]: With dead ends: 5886 [2022-11-25 22:14:53,499 INFO L226 Difference]: Without dead ends: 3876 [2022-11-25 22:14:53,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:14:53,524 INFO L413 NwaCegarLoop]: 3300 mSDtfsCounter, 2729 mSDsluCounter, 5894 mSDsCounter, 0 mSdLazyCounter, 1001 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2731 SdHoareTripleChecker+Valid, 9194 SdHoareTripleChecker+Invalid, 1002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-25 22:14:53,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2731 Valid, 9194 Invalid, 1002 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1001 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-25 22:14:53,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3876 states. [2022-11-25 22:14:53,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3876 to 3700. [2022-11-25 22:14:53,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3700 states, 2098 states have (on average 1.290276453765491) internal successors, (2707), 2244 states have internal predecessors, (2707), 1332 states have call successors, (1332), 247 states have call predecessors, (1332), 242 states have return successors, (1384), 1286 states have call predecessors, (1384), 1330 states have call successors, (1384) [2022-11-25 22:14:53,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3700 states to 3700 states and 5423 transitions. [2022-11-25 22:14:53,875 INFO L78 Accepts]: Start accepts. Automaton has 3700 states and 5423 transitions. Word has length 49 [2022-11-25 22:14:53,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:14:53,878 INFO L495 AbstractCegarLoop]: Abstraction has 3700 states and 5423 transitions. [2022-11-25 22:14:53,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 22:14:53,878 INFO L276 IsEmpty]: Start isEmpty. Operand 3700 states and 5423 transitions. [2022-11-25 22:14:53,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-25 22:14:53,887 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:14:53,887 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 22:14:53,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 22:14:53,888 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_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 22:14:53,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:14:53,889 INFO L85 PathProgramCache]: Analyzing trace with hash -2016108300, now seen corresponding path program 1 times [2022-11-25 22:14:53,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:14:53,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196397649] [2022-11-25 22:14:53,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:14:53,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:14:54,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:14:54,531 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:14:54,531 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:14:54,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196397649] [2022-11-25 22:14:54,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196397649] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:14:54,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:14:54,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:14:54,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442705085] [2022-11-25 22:14:54,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:14:54,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:14:54,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:14:54,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:14:54,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:14:54,536 INFO L87 Difference]: Start difference. First operand 3700 states and 5423 transitions. 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) [2022-11-25 22:14:56,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:14:56,112 INFO L93 Difference]: Finished difference Result 3700 states and 5423 transitions. [2022-11-25 22:14:56,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:14:56,113 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 54 [2022-11-25 22:14:56,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:14:56,138 INFO L225 Difference]: With dead ends: 3700 [2022-11-25 22:14:56,138 INFO L226 Difference]: Without dead ends: 3698 [2022-11-25 22:14:56,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:14:56,141 INFO L413 NwaCegarLoop]: 2531 mSDtfsCounter, 2821 mSDsluCounter, 2531 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2823 SdHoareTripleChecker+Valid, 5062 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-25 22:14:56,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2823 Valid, 5062 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-25 22:14:56,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3698 states. [2022-11-25 22:14:56,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3698 to 3698. [2022-11-25 22:14:56,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3698 states, 2097 states have (on average 1.289938006676204) internal successors, (2705), 2242 states have internal predecessors, (2705), 1332 states have call successors, (1332), 247 states have call predecessors, (1332), 242 states have return successors, (1384), 1286 states have call predecessors, (1384), 1330 states have call successors, (1384) [2022-11-25 22:14:56,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3698 states to 3698 states and 5421 transitions. [2022-11-25 22:14:56,400 INFO L78 Accepts]: Start accepts. Automaton has 3698 states and 5421 transitions. Word has length 54 [2022-11-25 22:14:56,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:14:56,401 INFO L495 AbstractCegarLoop]: Abstraction has 3698 states and 5421 transitions. [2022-11-25 22:14:56,401 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) [2022-11-25 22:14:56,402 INFO L276 IsEmpty]: Start isEmpty. Operand 3698 states and 5421 transitions. [2022-11-25 22:14:56,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-25 22:14:56,407 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:14:56,408 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 22:14:56,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 22:14:56,408 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_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 22:14:56,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:14:56,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1148908514, now seen corresponding path program 1 times [2022-11-25 22:14:56,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:14:56,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024853429] [2022-11-25 22:14:56,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:14:56,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:14:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:14:56,938 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:14:56,938 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:14:56,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024853429] [2022-11-25 22:14:56,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024853429] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:14:56,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:14:56,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:14:56,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543725245] [2022-11-25 22:14:56,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:14:56,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:14:56,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:14:56,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:14:56,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:14:56,941 INFO L87 Difference]: Start difference. First operand 3698 states and 5421 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) [2022-11-25 22:14:58,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:14:58,529 INFO L93 Difference]: Finished difference Result 3698 states and 5421 transitions. [2022-11-25 22:14:58,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:14:58,530 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 59 [2022-11-25 22:14:58,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:14:58,558 INFO L225 Difference]: With dead ends: 3698 [2022-11-25 22:14:58,558 INFO L226 Difference]: Without dead ends: 3696 [2022-11-25 22:14:58,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:14:58,563 INFO L413 NwaCegarLoop]: 2529 mSDtfsCounter, 2818 mSDsluCounter, 2529 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2820 SdHoareTripleChecker+Valid, 5058 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-25 22:14:58,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2820 Valid, 5058 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-25 22:14:58,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3696 states. [2022-11-25 22:14:58,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3696 to 3696. [2022-11-25 22:14:58,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3696 states, 2096 states have (on average 1.2895992366412214) internal successors, (2703), 2240 states have internal predecessors, (2703), 1332 states have call successors, (1332), 247 states have call predecessors, (1332), 242 states have return successors, (1384), 1286 states have call predecessors, (1384), 1330 states have call successors, (1384) [2022-11-25 22:14:58,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3696 states to 3696 states and 5419 transitions. [2022-11-25 22:14:58,849 INFO L78 Accepts]: Start accepts. Automaton has 3696 states and 5419 transitions. Word has length 59 [2022-11-25 22:14:58,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:14:58,849 INFO L495 AbstractCegarLoop]: Abstraction has 3696 states and 5419 transitions. [2022-11-25 22:14:58,850 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) [2022-11-25 22:14:58,850 INFO L276 IsEmpty]: Start isEmpty. Operand 3696 states and 5419 transitions. [2022-11-25 22:14:58,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-25 22:14:58,851 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:14:58,852 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 22:14:58,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 22:14:58,852 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_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 22:14:58,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:14:58,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1772648514, now seen corresponding path program 1 times [2022-11-25 22:14:58,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:14:58,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971017290] [2022-11-25 22:14:58,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:14:58,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:14:58,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:14:59,311 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:14:59,311 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:14:59,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971017290] [2022-11-25 22:14:59,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971017290] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:14:59,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:14:59,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:14:59,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289377209] [2022-11-25 22:14:59,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:14:59,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:14:59,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:14:59,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:14:59,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:14:59,314 INFO L87 Difference]: Start difference. First operand 3696 states and 5419 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) [2022-11-25 22:15:01,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:15:01,080 INFO L93 Difference]: Finished difference Result 3696 states and 5419 transitions. [2022-11-25 22:15:01,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:15:01,081 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 64 [2022-11-25 22:15:01,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:15:01,112 INFO L225 Difference]: With dead ends: 3696 [2022-11-25 22:15:01,112 INFO L226 Difference]: Without dead ends: 3694 [2022-11-25 22:15:01,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:15:01,122 INFO L413 NwaCegarLoop]: 2527 mSDtfsCounter, 2815 mSDsluCounter, 2527 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2817 SdHoareTripleChecker+Valid, 5054 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-25 22:15:01,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2817 Valid, 5054 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-25 22:15:01,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3694 states. [2022-11-25 22:15:01,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3694 to 3694. [2022-11-25 22:15:01,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3694 states, 2095 states have (on average 1.2892601431980908) internal successors, (2701), 2238 states have internal predecessors, (2701), 1332 states have call successors, (1332), 247 states have call predecessors, (1332), 242 states have return successors, (1384), 1286 states have call predecessors, (1384), 1330 states have call successors, (1384) [2022-11-25 22:15:01,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3694 states to 3694 states and 5417 transitions. [2022-11-25 22:15:01,562 INFO L78 Accepts]: Start accepts. Automaton has 3694 states and 5417 transitions. Word has length 64 [2022-11-25 22:15:01,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:15:01,563 INFO L495 AbstractCegarLoop]: Abstraction has 3694 states and 5417 transitions. [2022-11-25 22:15:01,563 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) [2022-11-25 22:15:01,564 INFO L276 IsEmpty]: Start isEmpty. Operand 3694 states and 5417 transitions. [2022-11-25 22:15:01,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-25 22:15:01,565 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:15:01,566 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 22:15:01,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 22:15:01,566 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_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 22:15:01,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:15:01,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1598745412, now seen corresponding path program 1 times [2022-11-25 22:15:01,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:15:01,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194335335] [2022-11-25 22:15:01,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:15:01,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:15:01,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:15:02,099 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:15:02,100 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:15:02,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194335335] [2022-11-25 22:15:02,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194335335] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:15:02,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:15:02,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:15:02,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149538334] [2022-11-25 22:15:02,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:15:02,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:15:02,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:15:02,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:15:02,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:15:02,103 INFO L87 Difference]: Start difference. First operand 3694 states and 5417 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) [2022-11-25 22:15:03,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:15:03,928 INFO L93 Difference]: Finished difference Result 3694 states and 5417 transitions. [2022-11-25 22:15:03,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:15:03,929 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 69 [2022-11-25 22:15:03,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:15:03,953 INFO L225 Difference]: With dead ends: 3694 [2022-11-25 22:15:03,953 INFO L226 Difference]: Without dead ends: 3692 [2022-11-25 22:15:03,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:15:03,957 INFO L413 NwaCegarLoop]: 2525 mSDtfsCounter, 2812 mSDsluCounter, 2525 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2814 SdHoareTripleChecker+Valid, 5050 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-25 22:15:03,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2814 Valid, 5050 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-25 22:15:03,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3692 states. [2022-11-25 22:15:04,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3692 to 3692. [2022-11-25 22:15:04,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3692 states, 2094 states have (on average 1.2889207258834765) internal successors, (2699), 2236 states have internal predecessors, (2699), 1332 states have call successors, (1332), 247 states have call predecessors, (1332), 242 states have return successors, (1384), 1286 states have call predecessors, (1384), 1330 states have call successors, (1384) [2022-11-25 22:15:04,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3692 states to 3692 states and 5415 transitions. [2022-11-25 22:15:04,269 INFO L78 Accepts]: Start accepts. Automaton has 3692 states and 5415 transitions. Word has length 69 [2022-11-25 22:15:04,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:15:04,270 INFO L495 AbstractCegarLoop]: Abstraction has 3692 states and 5415 transitions. [2022-11-25 22:15:04,271 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) [2022-11-25 22:15:04,271 INFO L276 IsEmpty]: Start isEmpty. Operand 3692 states and 5415 transitions. [2022-11-25 22:15:04,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-25 22:15:04,274 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:15:04,274 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 22:15:04,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 22:15:04,275 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_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 22:15:04,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:15:04,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1336586300, now seen corresponding path program 1 times [2022-11-25 22:15:04,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:15:04,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666569571] [2022-11-25 22:15:04,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:15:04,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:15:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:15:04,746 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:15:04,746 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:15:04,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666569571] [2022-11-25 22:15:04,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666569571] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:15:04,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:15:04,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:15:04,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037893291] [2022-11-25 22:15:04,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:15:04,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:15:04,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:15:04,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:15:04,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:15:04,749 INFO L87 Difference]: Start difference. First operand 3692 states and 5415 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) [2022-11-25 22:15:06,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:15:06,369 INFO L93 Difference]: Finished difference Result 3692 states and 5415 transitions. [2022-11-25 22:15:06,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:15:06,370 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 74 [2022-11-25 22:15:06,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:15:06,393 INFO L225 Difference]: With dead ends: 3692 [2022-11-25 22:15:06,393 INFO L226 Difference]: Without dead ends: 3690 [2022-11-25 22:15:06,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:15:06,397 INFO L413 NwaCegarLoop]: 2523 mSDtfsCounter, 2809 mSDsluCounter, 2523 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2811 SdHoareTripleChecker+Valid, 5046 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-25 22:15:06,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2811 Valid, 5046 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-25 22:15:06,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3690 states. [2022-11-25 22:15:06,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3690 to 3690. [2022-11-25 22:15:06,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3690 states, 2093 states have (on average 1.2885809842331581) internal successors, (2697), 2234 states have internal predecessors, (2697), 1332 states have call successors, (1332), 247 states have call predecessors, (1332), 242 states have return successors, (1384), 1286 states have call predecessors, (1384), 1330 states have call successors, (1384) [2022-11-25 22:15:06,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3690 states to 3690 states and 5413 transitions. [2022-11-25 22:15:06,721 INFO L78 Accepts]: Start accepts. Automaton has 3690 states and 5413 transitions. Word has length 74 [2022-11-25 22:15:06,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:15:06,722 INFO L495 AbstractCegarLoop]: Abstraction has 3690 states and 5413 transitions. [2022-11-25 22:15:06,722 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) [2022-11-25 22:15:06,722 INFO L276 IsEmpty]: Start isEmpty. Operand 3690 states and 5413 transitions. [2022-11-25 22:15:06,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-25 22:15:06,725 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:15:06,725 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 22:15:06,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 22:15:06,726 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_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 22:15:06,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:15:06,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1366546643, now seen corresponding path program 1 times [2022-11-25 22:15:06,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:15:06,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594395367] [2022-11-25 22:15:06,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:15:06,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:15:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:15:07,171 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:15:07,171 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:15:07,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594395367] [2022-11-25 22:15:07,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594395367] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:15:07,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:15:07,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:15:07,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346280435] [2022-11-25 22:15:07,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:15:07,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:15:07,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:15:07,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:15:07,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:15:07,174 INFO L87 Difference]: Start difference. First operand 3690 states and 5413 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) [2022-11-25 22:15:08,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:15:08,664 INFO L93 Difference]: Finished difference Result 3690 states and 5413 transitions. [2022-11-25 22:15:08,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:15:08,664 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 79 [2022-11-25 22:15:08,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:15:08,686 INFO L225 Difference]: With dead ends: 3690 [2022-11-25 22:15:08,687 INFO L226 Difference]: Without dead ends: 3688 [2022-11-25 22:15:08,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:15:08,690 INFO L413 NwaCegarLoop]: 2521 mSDtfsCounter, 2806 mSDsluCounter, 2521 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2808 SdHoareTripleChecker+Valid, 5042 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:15:08,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2808 Valid, 5042 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-25 22:15:08,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3688 states. [2022-11-25 22:15:08,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3688 to 3688. [2022-11-25 22:15:08,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3688 states, 2092 states have (on average 1.2882409177820269) internal successors, (2695), 2232 states have internal predecessors, (2695), 1332 states have call successors, (1332), 247 states have call predecessors, (1332), 242 states have return successors, (1384), 1286 states have call predecessors, (1384), 1330 states have call successors, (1384) [2022-11-25 22:15:09,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3688 states to 3688 states and 5411 transitions. [2022-11-25 22:15:09,005 INFO L78 Accepts]: Start accepts. Automaton has 3688 states and 5411 transitions. Word has length 79 [2022-11-25 22:15:09,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:15:09,007 INFO L495 AbstractCegarLoop]: Abstraction has 3688 states and 5411 transitions. [2022-11-25 22:15:09,007 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) [2022-11-25 22:15:09,008 INFO L276 IsEmpty]: Start isEmpty. Operand 3688 states and 5411 transitions. [2022-11-25 22:15:09,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-25 22:15:09,016 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:15:09,017 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-25 22:15:09,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 22:15:09,018 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 22:15:09,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:15:09,018 INFO L85 PathProgramCache]: Analyzing trace with hash 326234073, now seen corresponding path program 1 times [2022-11-25 22:15:09,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:15:09,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949640223] [2022-11-25 22:15:09,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:15:09,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:15:09,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:15:10,550 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-25 22:15:10,551 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:15:10,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949640223] [2022-11-25 22:15:10,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949640223] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:15:10,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:15:10,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 22:15:10,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57146792] [2022-11-25 22:15:10,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:15:10,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 22:15:10,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:15:10,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 22:15:10,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 22:15:10,555 INFO L87 Difference]: Start difference. First operand 3688 states and 5411 transitions. Second operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-25 22:15:16,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:15:16,313 INFO L93 Difference]: Finished difference Result 5387 states and 7785 transitions. [2022-11-25 22:15:16,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 22:15:16,313 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) Word has length 96 [2022-11-25 22:15:16,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:15:16,357 INFO L225 Difference]: With dead ends: 5387 [2022-11-25 22:15:16,358 INFO L226 Difference]: Without dead ends: 5385 [2022-11-25 22:15:16,364 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 [2022-11-25 22:15:16,366 INFO L413 NwaCegarLoop]: 2896 mSDtfsCounter, 2435 mSDsluCounter, 8905 mSDsCounter, 0 mSdLazyCounter, 2651 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2439 SdHoareTripleChecker+Valid, 11801 SdHoareTripleChecker+Invalid, 2655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:15:16,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2439 Valid, 11801 Invalid, 2655 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 2651 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-11-25 22:15:16,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5385 states. [2022-11-25 22:15:16,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5385 to 5365. [2022-11-25 22:15:16,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5365 states, 3031 states have (on average 1.2731771692510723) internal successors, (3859), 3211 states have internal predecessors, (3859), 1903 states have call successors, (1903), 417 states have call predecessors, (1903), 409 states have return successors, (2002), 1840 states have call predecessors, (2002), 1901 states have call successors, (2002) [2022-11-25 22:15:16,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5365 states to 5365 states and 7764 transitions. [2022-11-25 22:15:16,969 INFO L78 Accepts]: Start accepts. Automaton has 5365 states and 7764 transitions. Word has length 96 [2022-11-25 22:15:16,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:15:16,973 INFO L495 AbstractCegarLoop]: Abstraction has 5365 states and 7764 transitions. [2022-11-25 22:15:16,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-25 22:15:16,974 INFO L276 IsEmpty]: Start isEmpty. Operand 5365 states and 7764 transitions. [2022-11-25 22:15:16,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-25 22:15:16,975 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:15:16,976 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:15:16,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 22:15:16,976 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_net_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 22:15:16,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:15:16,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1101892944, now seen corresponding path program 1 times [2022-11-25 22:15:16,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:15:16,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141609616] [2022-11-25 22:15:16,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:15:16,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:15:17,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:15:17,313 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-25 22:15:17,313 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:15:17,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141609616] [2022-11-25 22:15:17,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141609616] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:15:17,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:15:17,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:15:17,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063887674] [2022-11-25 22:15:17,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:15:17,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:15:17,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:15:17,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:15:17,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:15:17,317 INFO L87 Difference]: Start difference. First operand 5365 states and 7764 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 22:15:18,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:15:18,819 INFO L93 Difference]: Finished difference Result 10706 states and 15499 transitions. [2022-11-25 22:15:18,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:15:18,823 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 88 [2022-11-25 22:15:18,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:15:18,928 INFO L225 Difference]: With dead ends: 10706 [2022-11-25 22:15:18,929 INFO L226 Difference]: Without dead ends: 5359 [2022-11-25 22:15:18,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:15:18,958 INFO L413 NwaCegarLoop]: 2517 mSDtfsCounter, 2819 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2819 SdHoareTripleChecker+Valid, 2517 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:15:18,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2819 Valid, 2517 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-25 22:15:18,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5359 states. [2022-11-25 22:15:19,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5359 to 5359. [2022-11-25 22:15:19,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5359 states, 3026 states have (on average 1.2723066754791805) internal successors, (3850), 3205 states have internal predecessors, (3850), 1903 states have call successors, (1903), 417 states have call predecessors, (1903), 409 states have return successors, (2002), 1840 states have call predecessors, (2002), 1901 states have call successors, (2002) [2022-11-25 22:15:19,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5359 states to 5359 states and 7755 transitions. [2022-11-25 22:15:19,458 INFO L78 Accepts]: Start accepts. Automaton has 5359 states and 7755 transitions. Word has length 88 [2022-11-25 22:15:19,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:15:19,458 INFO L495 AbstractCegarLoop]: Abstraction has 5359 states and 7755 transitions. [2022-11-25 22:15:19,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 22:15:19,459 INFO L276 IsEmpty]: Start isEmpty. Operand 5359 states and 7755 transitions. [2022-11-25 22:15:19,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-25 22:15:19,461 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:15:19,462 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-25 22:15:19,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 22:15:19,462 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting kzallocErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 22:15:19,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:15:19,463 INFO L85 PathProgramCache]: Analyzing trace with hash -562473538, now seen corresponding path program 1 times [2022-11-25 22:15:19,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:15:19,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254400439] [2022-11-25 22:15:19,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:15:19,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:15:19,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:15:19,759 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-25 22:15:19,759 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:15:19,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254400439] [2022-11-25 22:15:19,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254400439] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:15:19,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:15:19,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:15:19,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576898022] [2022-11-25 22:15:19,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:15:19,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:15:19,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:15:19,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:15:19,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:15:19,764 INFO L87 Difference]: Start difference. First operand 5359 states and 7755 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-25 22:15:21,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:15:21,081 INFO L93 Difference]: Finished difference Result 10690 states and 15677 transitions. [2022-11-25 22:15:21,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:15:21,082 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 99 [2022-11-25 22:15:21,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:15:21,108 INFO L225 Difference]: With dead ends: 10690 [2022-11-25 22:15:21,109 INFO L226 Difference]: Without dead ends: 5349 [2022-11-25 22:15:21,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:15:21,138 INFO L413 NwaCegarLoop]: 2512 mSDtfsCounter, 2791 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2791 SdHoareTripleChecker+Valid, 2512 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 22:15:21,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2791 Valid, 2512 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 22:15:21,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5349 states. [2022-11-25 22:15:21,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5349 to 5349. [2022-11-25 22:15:21,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5349 states, 3017 states have (on average 1.2704673516738483) internal successors, (3833), 3195 states have internal predecessors, (3833), 1903 states have call successors, (1903), 417 states have call predecessors, (1903), 409 states have return successors, (2002), 1840 states have call predecessors, (2002), 1901 states have call successors, (2002) [2022-11-25 22:15:21,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5349 states to 5349 states and 7738 transitions. [2022-11-25 22:15:21,679 INFO L78 Accepts]: Start accepts. Automaton has 5349 states and 7738 transitions. Word has length 99 [2022-11-25 22:15:21,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:15:21,680 INFO L495 AbstractCegarLoop]: Abstraction has 5349 states and 7738 transitions. [2022-11-25 22:15:21,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-25 22:15:21,681 INFO L276 IsEmpty]: Start isEmpty. Operand 5349 states and 7738 transitions. [2022-11-25 22:15:21,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-25 22:15:21,682 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:15:21,683 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 22:15:21,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 22:15:21,683 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 22:15:21,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:15:21,684 INFO L85 PathProgramCache]: Analyzing trace with hash 680070178, now seen corresponding path program 1 times [2022-11-25 22:15:21,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:15:21,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908453965] [2022-11-25 22:15:21,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:15:21,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:15:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:15:22,213 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:15:22,214 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:15:22,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908453965] [2022-11-25 22:15:22,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908453965] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:15:22,214 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:15:22,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:15:22,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819954160] [2022-11-25 22:15:22,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:15:22,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:15:22,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:15:22,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:15:22,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:15:22,217 INFO L87 Difference]: Start difference. First operand 5349 states and 7738 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) [2022-11-25 22:15:23,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:15:23,982 INFO L93 Difference]: Finished difference Result 5349 states and 7738 transitions. [2022-11-25 22:15:23,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:15:23,983 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 84 [2022-11-25 22:15:23,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:15:24,010 INFO L225 Difference]: With dead ends: 5349 [2022-11-25 22:15:24,010 INFO L226 Difference]: Without dead ends: 5347 [2022-11-25 22:15:24,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:15:24,015 INFO L413 NwaCegarLoop]: 2509 mSDtfsCounter, 2797 mSDsluCounter, 2505 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2799 SdHoareTripleChecker+Valid, 5014 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:15:24,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2799 Valid, 5014 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-25 22:15:24,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5347 states. [2022-11-25 22:15:24,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5347 to 5347. [2022-11-25 22:15:24,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5347 states, 3016 states have (on average 1.2702254641909814) internal successors, (3831), 3193 states have internal predecessors, (3831), 1903 states have call successors, (1903), 417 states have call predecessors, (1903), 409 states have return successors, (2002), 1840 states have call predecessors, (2002), 1901 states have call successors, (2002) [2022-11-25 22:15:24,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5347 states to 5347 states and 7736 transitions. [2022-11-25 22:15:24,566 INFO L78 Accepts]: Start accepts. Automaton has 5347 states and 7736 transitions. Word has length 84 [2022-11-25 22:15:24,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:15:24,567 INFO L495 AbstractCegarLoop]: Abstraction has 5347 states and 7736 transitions. [2022-11-25 22:15:24,567 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) [2022-11-25 22:15:24,567 INFO L276 IsEmpty]: Start isEmpty. Operand 5347 states and 7736 transitions. [2022-11-25 22:15:24,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-25 22:15:24,569 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:15:24,569 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:15:24,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-25 22:15:24,570 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 22:15:24,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:15:24,571 INFO L85 PathProgramCache]: Analyzing trace with hash 746891513, now seen corresponding path program 1 times [2022-11-25 22:15:24,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:15:24,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530664186] [2022-11-25 22:15:24,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:15:24,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:15:24,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:15:25,188 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-11-25 22:15:25,188 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:15:25,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530664186] [2022-11-25 22:15:25,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530664186] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:15:25,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:15:25,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:15:25,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636791552] [2022-11-25 22:15:25,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:15:25,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:15:25,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:15:25,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:15:25,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:15:25,190 INFO L87 Difference]: Start difference. First operand 5347 states and 7736 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 22:15:28,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:15:28,331 INFO L93 Difference]: Finished difference Result 7926 states and 11352 transitions. [2022-11-25 22:15:28,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:15:28,332 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 94 [2022-11-25 22:15:28,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:15:28,370 INFO L225 Difference]: With dead ends: 7926 [2022-11-25 22:15:28,370 INFO L226 Difference]: Without dead ends: 7924 [2022-11-25 22:15:28,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-25 22:15:28,376 INFO L413 NwaCegarLoop]: 3017 mSDtfsCounter, 1950 mSDsluCounter, 7679 mSDsCounter, 0 mSdLazyCounter, 1203 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1951 SdHoareTripleChecker+Valid, 10696 SdHoareTripleChecker+Invalid, 1205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-25 22:15:28,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1951 Valid, 10696 Invalid, 1205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1203 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-25 22:15:28,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7924 states. [2022-11-25 22:15:29,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7924 to 7896. [2022-11-25 22:15:29,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7896 states, 4432 states have (on average 1.2538357400722022) internal successors, (5557), 4681 states have internal predecessors, (5557), 2772 states have call successors, (2772), 707 states have call predecessors, (2772), 673 states have return successors, (2988), 2637 states have call predecessors, (2988), 2770 states have call successors, (2988) [2022-11-25 22:15:29,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7896 states to 7896 states and 11317 transitions. [2022-11-25 22:15:29,233 INFO L78 Accepts]: Start accepts. Automaton has 7896 states and 11317 transitions. Word has length 94 [2022-11-25 22:15:29,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:15:29,234 INFO L495 AbstractCegarLoop]: Abstraction has 7896 states and 11317 transitions. [2022-11-25 22:15:29,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 22:15:29,235 INFO L276 IsEmpty]: Start isEmpty. Operand 7896 states and 11317 transitions. [2022-11-25 22:15:29,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-25 22:15:29,236 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:15:29,237 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 22:15:29,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-25 22:15:29,237 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 22:15:29,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:15:29,238 INFO L85 PathProgramCache]: Analyzing trace with hash 712572581, now seen corresponding path program 1 times [2022-11-25 22:15:29,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:15:29,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431520264] [2022-11-25 22:15:29,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:15:29,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:15:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:15:29,619 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:15:29,619 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:15:29,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431520264] [2022-11-25 22:15:29,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431520264] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:15:29,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:15:29,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:15:29,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891653137] [2022-11-25 22:15:29,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:15:29,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:15:29,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:15:29,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:15:29,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:15:29,622 INFO L87 Difference]: Start difference. First operand 7896 states and 11317 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-25 22:15:31,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:15:31,692 INFO L93 Difference]: Finished difference Result 7896 states and 11317 transitions. [2022-11-25 22:15:31,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:15:31,692 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 86 [2022-11-25 22:15:31,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:15:31,729 INFO L225 Difference]: With dead ends: 7896 [2022-11-25 22:15:31,730 INFO L226 Difference]: Without dead ends: 7894 [2022-11-25 22:15:31,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:15:31,735 INFO L413 NwaCegarLoop]: 2507 mSDtfsCounter, 2789 mSDsluCounter, 2507 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2791 SdHoareTripleChecker+Valid, 5014 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-25 22:15:31,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2791 Valid, 5014 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-25 22:15:31,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7894 states. [2022-11-25 22:15:32,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7894 to 7894. [2022-11-25 22:15:32,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7894 states, 4431 states have (on average 1.253667343714737) internal successors, (5555), 4679 states have internal predecessors, (5555), 2772 states have call successors, (2772), 707 states have call predecessors, (2772), 673 states have return successors, (2988), 2637 states have call predecessors, (2988), 2770 states have call successors, (2988) [2022-11-25 22:15:32,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7894 states to 7894 states and 11315 transitions. [2022-11-25 22:15:32,837 INFO L78 Accepts]: Start accepts. Automaton has 7894 states and 11315 transitions. Word has length 86 [2022-11-25 22:15:32,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:15:32,838 INFO L495 AbstractCegarLoop]: Abstraction has 7894 states and 11315 transitions. [2022-11-25 22:15:32,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-25 22:15:32,838 INFO L276 IsEmpty]: Start isEmpty. Operand 7894 states and 11315 transitions. [2022-11-25 22:15:32,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-25 22:15:32,840 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:15:32,840 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 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] [2022-11-25 22:15:32,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-25 22:15:32,841 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_usb_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 22:15:32,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:15:32,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1615593912, now seen corresponding path program 1 times [2022-11-25 22:15:32,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:15:32,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952232387] [2022-11-25 22:15:32,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:15:32,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:15:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:15:33,271 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-11-25 22:15:33,271 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:15:33,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952232387] [2022-11-25 22:15:33,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952232387] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:15:33,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60222823] [2022-11-25 22:15:33,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:15:33,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:15:33,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:15:33,276 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:15:33,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 22:15:34,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:15:34,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 2980 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 22:15:34,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:15:34,549 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-25 22:15:34,550 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:15:34,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [60222823] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:15:34,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 22:15:34,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2022-11-25 22:15:34,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897146513] [2022-11-25 22:15:34,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:15:34,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:15:34,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:15:34,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:15:34,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-25 22:15:34,552 INFO L87 Difference]: Start difference. First operand 7894 states and 11315 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-25 22:15:36,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:15:36,010 INFO L93 Difference]: Finished difference Result 15764 states and 22601 transitions. [2022-11-25 22:15:36,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:15:36,011 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 96 [2022-11-25 22:15:36,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:15:36,052 INFO L225 Difference]: With dead ends: 15764 [2022-11-25 22:15:36,052 INFO L226 Difference]: Without dead ends: 7888 [2022-11-25 22:15:36,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-25 22:15:36,098 INFO L413 NwaCegarLoop]: 2503 mSDtfsCounter, 2796 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2796 SdHoareTripleChecker+Valid, 2503 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-25 22:15:36,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2796 Valid, 2503 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-25 22:15:36,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7888 states. [2022-11-25 22:15:36,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7888 to 7888. [2022-11-25 22:15:36,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7888 states, 4426 states have (on average 1.253050158156349) internal successors, (5546), 4673 states have internal predecessors, (5546), 2772 states have call successors, (2772), 707 states have call predecessors, (2772), 673 states have return successors, (2988), 2637 states have call predecessors, (2988), 2770 states have call successors, (2988) [2022-11-25 22:15:36,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7888 states to 7888 states and 11306 transitions. [2022-11-25 22:15:36,938 INFO L78 Accepts]: Start accepts. Automaton has 7888 states and 11306 transitions. Word has length 96 [2022-11-25 22:15:36,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:15:36,939 INFO L495 AbstractCegarLoop]: Abstraction has 7888 states and 11306 transitions. [2022-11-25 22:15:36,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-25 22:15:36,939 INFO L276 IsEmpty]: Start isEmpty. Operand 7888 states and 11306 transitions. [2022-11-25 22:15:36,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-25 22:15:36,941 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:15:36,942 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 22:15:36,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 22:15:37,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:15:37,153 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 22:15:37,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:15:37,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1042895295, now seen corresponding path program 1 times [2022-11-25 22:15:37,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:15:37,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895444769] [2022-11-25 22:15:37,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:15:37,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:15:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:15:37,545 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:15:37,545 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:15:37,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895444769] [2022-11-25 22:15:37,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895444769] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:15:37,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:15:37,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:15:37,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872211007] [2022-11-25 22:15:37,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:15:37,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:15:37,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:15:37,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:15:37,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:15:37,550 INFO L87 Difference]: Start difference. First operand 7888 states and 11306 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) [2022-11-25 22:15:39,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:15:39,406 INFO L93 Difference]: Finished difference Result 7888 states and 11306 transitions. [2022-11-25 22:15:39,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:15:39,407 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 91 [2022-11-25 22:15:39,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:15:39,437 INFO L225 Difference]: With dead ends: 7888 [2022-11-25 22:15:39,437 INFO L226 Difference]: Without dead ends: 7886 [2022-11-25 22:15:39,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:15:39,444 INFO L413 NwaCegarLoop]: 2500 mSDtfsCounter, 2783 mSDsluCounter, 2500 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2785 SdHoareTripleChecker+Valid, 5000 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:15:39,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2785 Valid, 5000 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-25 22:15:39,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7886 states. [2022-11-25 22:15:40,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7886 to 7886. [2022-11-25 22:15:40,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7886 states, 4425 states have (on average 1.2528813559322034) internal successors, (5544), 4671 states have internal predecessors, (5544), 2772 states have call successors, (2772), 707 states have call predecessors, (2772), 673 states have return successors, (2988), 2637 states have call predecessors, (2988), 2770 states have call successors, (2988) [2022-11-25 22:15:40,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7886 states to 7886 states and 11304 transitions. [2022-11-25 22:15:40,518 INFO L78 Accepts]: Start accepts. Automaton has 7886 states and 11304 transitions. Word has length 91 [2022-11-25 22:15:40,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:15:40,519 INFO L495 AbstractCegarLoop]: Abstraction has 7886 states and 11304 transitions. [2022-11-25 22:15:40,519 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) [2022-11-25 22:15:40,519 INFO L276 IsEmpty]: Start isEmpty. Operand 7886 states and 11304 transitions. [2022-11-25 22:15:40,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-25 22:15:40,522 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:15:40,522 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:15:40,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-25 22:15:40,523 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 22:15:40,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:15:40,524 INFO L85 PathProgramCache]: Analyzing trace with hash -220207276, now seen corresponding path program 1 times [2022-11-25 22:15:40,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:15:40,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929405804] [2022-11-25 22:15:40,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:15:40,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:15:40,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:15:43,042 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-25 22:15:43,042 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:15:43,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929405804] [2022-11-25 22:15:43,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929405804] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:15:43,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461133133] [2022-11-25 22:15:43,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:15:43,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:15:43,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:15:43,044 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:15:43,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 22:15:44,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:15:44,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 3155 conjuncts, 60 conjunts are in the unsatisfiable core [2022-11-25 22:15:44,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:15:44,347 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-25 22:15:44,347 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:15:44,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1461133133] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:15:44,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 22:15:44,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [12] total 15 [2022-11-25 22:15:44,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87714868] [2022-11-25 22:15:44,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:15:44,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-25 22:15:44,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:15:44,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-25 22:15:44,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-11-25 22:15:44,350 INFO L87 Difference]: Start difference. First operand 7886 states and 11304 transitions. Second operand has 11 states, 8 states have (on average 6.25) internal successors, (50), 10 states have internal predecessors, (50), 6 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) [2022-11-25 22:15:49,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:15:49,514 INFO L93 Difference]: Finished difference Result 12917 states and 18352 transitions. [2022-11-25 22:15:49,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 22:15:49,515 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 6.25) internal successors, (50), 10 states have internal predecessors, (50), 6 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) Word has length 104 [2022-11-25 22:15:49,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:15:49,547 INFO L225 Difference]: With dead ends: 12917 [2022-11-25 22:15:49,547 INFO L226 Difference]: Without dead ends: 7933 [2022-11-25 22:15:49,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 106 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2022-11-25 22:15:49,574 INFO L413 NwaCegarLoop]: 2492 mSDtfsCounter, 25 mSDsluCounter, 22227 mSDsCounter, 0 mSdLazyCounter, 3543 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 24719 SdHoareTripleChecker+Invalid, 3637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 3543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:15:49,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 24719 Invalid, 3637 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [94 Valid, 3543 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-11-25 22:15:49,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7933 states. [2022-11-25 22:15:50,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7933 to 7904. [2022-11-25 22:15:50,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7904 states, 4435 states have (on average 1.2523111612175875) internal successors, (5554), 4681 states have internal predecessors, (5554), 2780 states have call successors, (2780), 707 states have call predecessors, (2780), 673 states have return successors, (2996), 2645 states have call predecessors, (2996), 2778 states have call successors, (2996) [2022-11-25 22:15:50,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7904 states to 7904 states and 11330 transitions. [2022-11-25 22:15:50,629 INFO L78 Accepts]: Start accepts. Automaton has 7904 states and 11330 transitions. Word has length 104 [2022-11-25 22:15:50,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:15:50,630 INFO L495 AbstractCegarLoop]: Abstraction has 7904 states and 11330 transitions. [2022-11-25 22:15:50,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 6.25) internal successors, (50), 10 states have internal predecessors, (50), 6 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) [2022-11-25 22:15:50,630 INFO L276 IsEmpty]: Start isEmpty. Operand 7904 states and 11330 transitions. [2022-11-25 22:15:50,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-25 22:15:50,633 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:15:50,633 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 22:15:50,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 22:15:50,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-25 22:15:50,846 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 22:15:50,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:15:50,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1014196633, now seen corresponding path program 1 times [2022-11-25 22:15:50,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:15:50,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455002441] [2022-11-25 22:15:50,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:15:50,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:15:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:15:51,249 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:15:51,249 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:15:51,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455002441] [2022-11-25 22:15:51,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455002441] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:15:51,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:15:51,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:15:51,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430722933] [2022-11-25 22:15:51,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:15:51,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:15:51,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:15:51,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:15:51,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:15:51,252 INFO L87 Difference]: Start difference. First operand 7904 states and 11330 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) [2022-11-25 22:15:53,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:15:53,504 INFO L93 Difference]: Finished difference Result 7904 states and 11330 transitions. [2022-11-25 22:15:53,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:15:53,505 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 96 [2022-11-25 22:15:53,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:15:53,535 INFO L225 Difference]: With dead ends: 7904 [2022-11-25 22:15:53,536 INFO L226 Difference]: Without dead ends: 7902 [2022-11-25 22:15:53,540 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:15:53,541 INFO L413 NwaCegarLoop]: 2498 mSDtfsCounter, 2780 mSDsluCounter, 2498 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2782 SdHoareTripleChecker+Valid, 4996 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:15:53,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2782 Valid, 4996 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-25 22:15:53,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7902 states. [2022-11-25 22:15:54,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7902 to 7902. [2022-11-25 22:15:54,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7902 states, 4434 states have (on average 1.2521425349571493) internal successors, (5552), 4679 states have internal predecessors, (5552), 2780 states have call successors, (2780), 707 states have call predecessors, (2780), 673 states have return successors, (2996), 2645 states have call predecessors, (2996), 2778 states have call successors, (2996) [2022-11-25 22:15:54,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7902 states to 7902 states and 11328 transitions. [2022-11-25 22:15:54,594 INFO L78 Accepts]: Start accepts. Automaton has 7902 states and 11328 transitions. Word has length 96 [2022-11-25 22:15:54,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:15:54,595 INFO L495 AbstractCegarLoop]: Abstraction has 7902 states and 11328 transitions. [2022-11-25 22:15:54,595 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) [2022-11-25 22:15:54,595 INFO L276 IsEmpty]: Start isEmpty. Operand 7902 states and 11328 transitions. [2022-11-25 22:15:54,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-25 22:15:54,598 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:15:54,598 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 22:15:54,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-25 22:15:54,599 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 22:15:54,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:15:54,599 INFO L85 PathProgramCache]: Analyzing trace with hash -2142719096, now seen corresponding path program 1 times [2022-11-25 22:15:54,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:15:54,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897954654] [2022-11-25 22:15:54,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:15:54,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:15:54,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:15:55,002 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:15:55,003 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:15:55,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897954654] [2022-11-25 22:15:55,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897954654] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:15:55,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:15:55,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:15:55,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122306932] [2022-11-25 22:15:55,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:15:55,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:15:55,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:15:55,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:15:55,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:15:55,006 INFO L87 Difference]: Start difference. First operand 7902 states and 11328 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) [2022-11-25 22:15:57,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:15:57,217 INFO L93 Difference]: Finished difference Result 7902 states and 11328 transitions. [2022-11-25 22:15:57,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:15:57,218 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 101 [2022-11-25 22:15:57,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:15:57,249 INFO L225 Difference]: With dead ends: 7902 [2022-11-25 22:15:57,249 INFO L226 Difference]: Without dead ends: 7900 [2022-11-25 22:15:57,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:15:57,255 INFO L413 NwaCegarLoop]: 2496 mSDtfsCounter, 2777 mSDsluCounter, 2496 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2779 SdHoareTripleChecker+Valid, 4992 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:15:57,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2779 Valid, 4992 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-25 22:15:57,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7900 states. [2022-11-25 22:15:58,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7900 to 7900. [2022-11-25 22:15:58,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7900 states, 4433 states have (on average 1.251973832618994) internal successors, (5550), 4677 states have internal predecessors, (5550), 2780 states have call successors, (2780), 707 states have call predecessors, (2780), 673 states have return successors, (2996), 2645 states have call predecessors, (2996), 2778 states have call successors, (2996) [2022-11-25 22:15:58,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7900 states to 7900 states and 11326 transitions. [2022-11-25 22:15:58,226 INFO L78 Accepts]: Start accepts. Automaton has 7900 states and 11326 transitions. Word has length 101 [2022-11-25 22:15:58,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:15:58,226 INFO L495 AbstractCegarLoop]: Abstraction has 7900 states and 11326 transitions. [2022-11-25 22:15:58,226 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) [2022-11-25 22:15:58,226 INFO L276 IsEmpty]: Start isEmpty. Operand 7900 states and 11326 transitions. [2022-11-25 22:15:58,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 22:15:58,228 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:15:58,229 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:15:58,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-25 22:15:58,229 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 22:15:58,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:15:58,230 INFO L85 PathProgramCache]: Analyzing trace with hash -101821664, now seen corresponding path program 1 times [2022-11-25 22:15:58,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:15:58,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694134653] [2022-11-25 22:15:58,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:15:58,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:15:58,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:15:58,951 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-25 22:15:58,952 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:15:58,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694134653] [2022-11-25 22:15:58,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694134653] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:15:58,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1656132014] [2022-11-25 22:15:58,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:15:58,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:15:58,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:15:58,955 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:15:58,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 22:16:00,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:16:00,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 3255 conjuncts, 27 conjunts are in the unsatisfiable core [2022-11-25 22:16:00,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:16:00,202 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-25 22:16:00,202 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:16:00,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1656132014] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:16:00,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 22:16:00,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 7 [2022-11-25 22:16:00,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253367877] [2022-11-25 22:16:00,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:16:00,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 22:16:00,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:16:00,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 22:16:00,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-25 22:16:00,205 INFO L87 Difference]: Start difference. First operand 7900 states and 11326 transitions. Second operand has 7 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-25 22:16:04,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:16:04,107 INFO L93 Difference]: Finished difference Result 13798 states and 19813 transitions. [2022-11-25 22:16:04,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 22:16:04,108 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) Word has length 116 [2022-11-25 22:16:04,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:16:04,137 INFO L225 Difference]: With dead ends: 13798 [2022-11-25 22:16:04,137 INFO L226 Difference]: Without dead ends: 8497 [2022-11-25 22:16:04,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-25 22:16:04,153 INFO L413 NwaCegarLoop]: 2757 mSDtfsCounter, 219 mSDsluCounter, 13451 mSDsCounter, 0 mSdLazyCounter, 2196 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 16208 SdHoareTripleChecker+Invalid, 2270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 2196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-25 22:16:04,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 16208 Invalid, 2270 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [74 Valid, 2196 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-25 22:16:04,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8497 states. [2022-11-25 22:16:04,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8497 to 7902. [2022-11-25 22:16:04,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7902 states, 4435 states have (on average 1.251860202931229) internal successors, (5552), 4679 states have internal predecessors, (5552), 2780 states have call successors, (2780), 707 states have call predecessors, (2780), 673 states have return successors, (2996), 2645 states have call predecessors, (2996), 2778 states have call successors, (2996) [2022-11-25 22:16:04,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7902 states to 7902 states and 11328 transitions. [2022-11-25 22:16:04,895 INFO L78 Accepts]: Start accepts. Automaton has 7902 states and 11328 transitions. Word has length 116 [2022-11-25 22:16:04,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:16:04,895 INFO L495 AbstractCegarLoop]: Abstraction has 7902 states and 11328 transitions. [2022-11-25 22:16:04,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-25 22:16:04,895 INFO L276 IsEmpty]: Start isEmpty. Operand 7902 states and 11328 transitions. [2022-11-25 22:16:04,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-25 22:16:04,897 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:16:04,897 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 22:16:04,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 22:16:05,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:16:05,103 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 22:16:05,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:16:05,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1208336115, now seen corresponding path program 1 times [2022-11-25 22:16:05,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:16:05,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126171836] [2022-11-25 22:16:05,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:16:05,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:16:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:16:05,484 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:16:05,484 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:16:05,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126171836] [2022-11-25 22:16:05,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126171836] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:16:05,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:16:05,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:16:05,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931024318] [2022-11-25 22:16:05,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:16:05,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:16:05,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:16:05,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:16:05,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:16:05,489 INFO L87 Difference]: Start difference. First operand 7902 states and 11328 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) [2022-11-25 22:16:07,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:16:07,453 INFO L93 Difference]: Finished difference Result 7902 states and 11328 transitions. [2022-11-25 22:16:07,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:16:07,454 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 106 [2022-11-25 22:16:07,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:16:07,490 INFO L225 Difference]: With dead ends: 7902 [2022-11-25 22:16:07,491 INFO L226 Difference]: Without dead ends: 7900 [2022-11-25 22:16:07,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:16:07,497 INFO L413 NwaCegarLoop]: 2494 mSDtfsCounter, 2774 mSDsluCounter, 2494 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2776 SdHoareTripleChecker+Valid, 4988 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:16:07,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2776 Valid, 4988 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-25 22:16:07,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7900 states. [2022-11-25 22:16:08,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7900 to 7900. [2022-11-25 22:16:08,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7900 states, 4434 states have (on average 1.2516914749661705) internal successors, (5550), 4677 states have internal predecessors, (5550), 2780 states have call successors, (2780), 707 states have call predecessors, (2780), 673 states have return successors, (2996), 2645 states have call predecessors, (2996), 2778 states have call successors, (2996) [2022-11-25 22:16:08,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7900 states to 7900 states and 11326 transitions. [2022-11-25 22:16:08,511 INFO L78 Accepts]: Start accepts. Automaton has 7900 states and 11326 transitions. Word has length 106 [2022-11-25 22:16:08,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:16:08,511 INFO L495 AbstractCegarLoop]: Abstraction has 7900 states and 11326 transitions. [2022-11-25 22:16:08,512 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) [2022-11-25 22:16:08,512 INFO L276 IsEmpty]: Start isEmpty. Operand 7900 states and 11326 transitions. [2022-11-25 22:16:08,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-11-25 22:16:08,513 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:16:08,513 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 22:16:08,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-25 22:16:08,514 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 22:16:08,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:16:08,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1737125702, now seen corresponding path program 1 times [2022-11-25 22:16:08,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:16:08,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744779696] [2022-11-25 22:16:08,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:16:08,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:16:08,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:16:08,876 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:16:08,876 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:16:08,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744779696] [2022-11-25 22:16:08,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744779696] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:16:08,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:16:08,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:16:08,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721233431] [2022-11-25 22:16:08,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:16:08,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:16:08,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:16:08,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:16:08,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:16:08,878 INFO L87 Difference]: Start difference. First operand 7900 states and 11326 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) [2022-11-25 22:16:10,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:16:10,772 INFO L93 Difference]: Finished difference Result 7900 states and 11326 transitions. [2022-11-25 22:16:10,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:16:10,772 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 111 [2022-11-25 22:16:10,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:16:10,796 INFO L225 Difference]: With dead ends: 7900 [2022-11-25 22:16:10,796 INFO L226 Difference]: Without dead ends: 7898 [2022-11-25 22:16:10,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:16:10,802 INFO L413 NwaCegarLoop]: 2492 mSDtfsCounter, 2771 mSDsluCounter, 2492 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2773 SdHoareTripleChecker+Valid, 4984 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:16:10,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2773 Valid, 4984 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-25 22:16:10,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7898 states. [2022-11-25 22:16:11,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7898 to 7898. [2022-11-25 22:16:11,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7898 states, 4433 states have (on average 1.2515226708775096) internal successors, (5548), 4675 states have internal predecessors, (5548), 2780 states have call successors, (2780), 707 states have call predecessors, (2780), 673 states have return successors, (2996), 2645 states have call predecessors, (2996), 2778 states have call successors, (2996) [2022-11-25 22:16:11,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7898 states to 7898 states and 11324 transitions. [2022-11-25 22:16:11,592 INFO L78 Accepts]: Start accepts. Automaton has 7898 states and 11324 transitions. Word has length 111 [2022-11-25 22:16:11,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:16:11,592 INFO L495 AbstractCegarLoop]: Abstraction has 7898 states and 11324 transitions. [2022-11-25 22:16:11,592 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) [2022-11-25 22:16:11,592 INFO L276 IsEmpty]: Start isEmpty. Operand 7898 states and 11324 transitions. [2022-11-25 22:16:11,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 22:16:11,594 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:16:11,594 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 22:16:11,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-25 22:16:11,594 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 22:16:11,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:16:11,595 INFO L85 PathProgramCache]: Analyzing trace with hash -825235145, now seen corresponding path program 1 times [2022-11-25 22:16:11,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:16:11,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676663245] [2022-11-25 22:16:11,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:16:11,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:16:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:16:11,984 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:16:11,985 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:16:11,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676663245] [2022-11-25 22:16:11,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676663245] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:16:11,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:16:11,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:16:11,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752895941] [2022-11-25 22:16:11,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:16:11,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:16:11,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:16:11,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:16:11,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:16:11,988 INFO L87 Difference]: Start difference. First operand 7898 states and 11324 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) [2022-11-25 22:16:14,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:16:14,492 INFO L93 Difference]: Finished difference Result 7898 states and 11324 transitions. [2022-11-25 22:16:14,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:16:14,495 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 116 [2022-11-25 22:16:14,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:16:14,519 INFO L225 Difference]: With dead ends: 7898 [2022-11-25 22:16:14,520 INFO L226 Difference]: Without dead ends: 7896 [2022-11-25 22:16:14,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:16:14,525 INFO L413 NwaCegarLoop]: 2490 mSDtfsCounter, 2768 mSDsluCounter, 2490 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2770 SdHoareTripleChecker+Valid, 4980 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:16:14,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2770 Valid, 4980 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-25 22:16:14,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7896 states. [2022-11-25 22:16:15,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7896 to 7896. [2022-11-25 22:16:15,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7896 states, 4432 states have (on average 1.2513537906137184) internal successors, (5546), 4673 states have internal predecessors, (5546), 2780 states have call successors, (2780), 707 states have call predecessors, (2780), 673 states have return successors, (2996), 2645 states have call predecessors, (2996), 2778 states have call successors, (2996) [2022-11-25 22:16:15,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7896 states to 7896 states and 11322 transitions. [2022-11-25 22:16:15,487 INFO L78 Accepts]: Start accepts. Automaton has 7896 states and 11322 transitions. Word has length 116 [2022-11-25 22:16:15,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:16:15,488 INFO L495 AbstractCegarLoop]: Abstraction has 7896 states and 11322 transitions. [2022-11-25 22:16:15,488 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) [2022-11-25 22:16:15,488 INFO L276 IsEmpty]: Start isEmpty. Operand 7896 states and 11322 transitions. [2022-11-25 22:16:15,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-25 22:16:15,491 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:16:15,491 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 22:16:15,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-25 22:16:15,491 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 22:16:15,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:16:15,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1137985221, now seen corresponding path program 1 times [2022-11-25 22:16:15,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:16:15,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464793043] [2022-11-25 22:16:15,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:16:15,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:16:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:16:16,170 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:16:16,170 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:16:16,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464793043] [2022-11-25 22:16:16,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464793043] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:16:16,171 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:16:16,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:16:16,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286101847] [2022-11-25 22:16:16,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:16:16,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:16:16,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:16:16,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:16:16,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:16:16,174 INFO L87 Difference]: Start difference. First operand 7896 states and 11322 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) [2022-11-25 22:16:18,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:16:18,246 INFO L93 Difference]: Finished difference Result 7896 states and 11322 transitions. [2022-11-25 22:16:18,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:16:18,247 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 121 [2022-11-25 22:16:18,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:16:18,271 INFO L225 Difference]: With dead ends: 7896 [2022-11-25 22:16:18,271 INFO L226 Difference]: Without dead ends: 7894 [2022-11-25 22:16:18,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:16:18,277 INFO L413 NwaCegarLoop]: 2488 mSDtfsCounter, 2765 mSDsluCounter, 2488 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2767 SdHoareTripleChecker+Valid, 4976 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:16:18,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2767 Valid, 4976 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-25 22:16:18,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7894 states. [2022-11-25 22:16:19,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7894 to 7894. [2022-11-25 22:16:19,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7894 states, 4431 states have (on average 1.2511848341232228) internal successors, (5544), 4671 states have internal predecessors, (5544), 2780 states have call successors, (2780), 707 states have call predecessors, (2780), 673 states have return successors, (2996), 2645 states have call predecessors, (2996), 2778 states have call successors, (2996) [2022-11-25 22:16:19,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7894 states to 7894 states and 11320 transitions. [2022-11-25 22:16:19,241 INFO L78 Accepts]: Start accepts. Automaton has 7894 states and 11320 transitions. Word has length 121 [2022-11-25 22:16:19,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:16:19,242 INFO L495 AbstractCegarLoop]: Abstraction has 7894 states and 11320 transitions. [2022-11-25 22:16:19,242 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) [2022-11-25 22:16:19,242 INFO L276 IsEmpty]: Start isEmpty. Operand 7894 states and 11320 transitions. [2022-11-25 22:16:19,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-11-25 22:16:19,244 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:16:19,245 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:16:19,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-25 22:16:19,245 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 22:16:19,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:16:19,246 INFO L85 PathProgramCache]: Analyzing trace with hash 704443321, now seen corresponding path program 1 times [2022-11-25 22:16:19,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:16:19,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273963478] [2022-11-25 22:16:19,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:16:19,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:16:19,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:16:19,644 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-11-25 22:16:19,644 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:16:19,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273963478] [2022-11-25 22:16:19,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273963478] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:16:19,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:16:19,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:16:19,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962969554] [2022-11-25 22:16:19,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:16:19,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:16:19,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:16:19,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:16:19,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:16:19,647 INFO L87 Difference]: Start difference. First operand 7894 states and 11320 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-25 22:16:22,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:16:22,440 INFO L93 Difference]: Finished difference Result 15852 states and 23052 transitions. [2022-11-25 22:16:22,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:16:22,440 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 137 [2022-11-25 22:16:22,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:16:22,468 INFO L225 Difference]: With dead ends: 15852 [2022-11-25 22:16:22,468 INFO L226 Difference]: Without dead ends: 7978 [2022-11-25 22:16:22,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:16:22,506 INFO L413 NwaCegarLoop]: 2501 mSDtfsCounter, 16 mSDsluCounter, 4977 mSDsCounter, 0 mSdLazyCounter, 956 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 7478 SdHoareTripleChecker+Invalid, 959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-25 22:16:22,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 7478 Invalid, 959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 956 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-25 22:16:22,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7978 states. [2022-11-25 22:16:23,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7978 to 7882. [2022-11-25 22:16:23,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7882 states, 4435 states have (on average 1.2500563697857947) internal successors, (5544), 4675 states have internal predecessors, (5544), 2764 states have call successors, (2764), 707 states have call predecessors, (2764), 673 states have return successors, (2980), 2629 states have call predecessors, (2980), 2762 states have call successors, (2980) [2022-11-25 22:16:23,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7882 states to 7882 states and 11288 transitions. [2022-11-25 22:16:23,431 INFO L78 Accepts]: Start accepts. Automaton has 7882 states and 11288 transitions. Word has length 137 [2022-11-25 22:16:23,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:16:23,431 INFO L495 AbstractCegarLoop]: Abstraction has 7882 states and 11288 transitions. [2022-11-25 22:16:23,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-25 22:16:23,431 INFO L276 IsEmpty]: Start isEmpty. Operand 7882 states and 11288 transitions. [2022-11-25 22:16:23,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-11-25 22:16:23,433 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:16:23,434 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:16:23,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-25 22:16:23,434 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 22:16:23,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:16:23,435 INFO L85 PathProgramCache]: Analyzing trace with hash 309808604, now seen corresponding path program 1 times [2022-11-25 22:16:23,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:16:23,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694190853] [2022-11-25 22:16:23,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:16:23,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:16:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:16:23,832 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-11-25 22:16:23,833 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:16:23,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694190853] [2022-11-25 22:16:23,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694190853] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:16:23,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:16:23,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:16:23,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76068819] [2022-11-25 22:16:23,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:16:23,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:16:23,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:16:23,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:16:23,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:16:23,836 INFO L87 Difference]: Start difference. First operand 7882 states and 11288 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-25 22:16:26,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:16:26,542 INFO L93 Difference]: Finished difference Result 15840 states and 23020 transitions. [2022-11-25 22:16:26,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:16:26,542 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 137 [2022-11-25 22:16:26,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:16:26,573 INFO L225 Difference]: With dead ends: 15840 [2022-11-25 22:16:26,573 INFO L226 Difference]: Without dead ends: 7978 [2022-11-25 22:16:26,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:16:26,600 INFO L413 NwaCegarLoop]: 2501 mSDtfsCounter, 15 mSDsluCounter, 4980 mSDsCounter, 0 mSdLazyCounter, 951 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 7481 SdHoareTripleChecker+Invalid, 953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-25 22:16:26,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 7481 Invalid, 953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 951 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-25 22:16:26,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7978 states. [2022-11-25 22:16:27,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7978 to 7886. [2022-11-25 22:16:27,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7886 states, 4447 states have (on average 1.2493816055767935) internal successors, (5556), 4687 states have internal predecessors, (5556), 2764 states have call successors, (2764), 699 states have call predecessors, (2764), 665 states have return successors, (2980), 2629 states have call predecessors, (2980), 2762 states have call successors, (2980) [2022-11-25 22:16:27,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7886 states to 7886 states and 11300 transitions. [2022-11-25 22:16:27,820 INFO L78 Accepts]: Start accepts. Automaton has 7886 states and 11300 transitions. Word has length 137 [2022-11-25 22:16:27,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:16:27,821 INFO L495 AbstractCegarLoop]: Abstraction has 7886 states and 11300 transitions. [2022-11-25 22:16:27,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-25 22:16:27,822 INFO L276 IsEmpty]: Start isEmpty. Operand 7886 states and 11300 transitions. [2022-11-25 22:16:27,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-25 22:16:27,824 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:16:27,825 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:16:27,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-25 22:16:27,825 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 22:16:27,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:16:27,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1379821851, now seen corresponding path program 1 times [2022-11-25 22:16:27,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:16:27,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667911576] [2022-11-25 22:16:27,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:16:27,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:16:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:16:28,211 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:16:28,211 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:16:28,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667911576] [2022-11-25 22:16:28,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667911576] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:16:28,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:16:28,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:16:28,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180244360] [2022-11-25 22:16:28,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:16:28,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:16:28,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:16:28,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:16:28,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:16:28,214 INFO L87 Difference]: Start difference. First operand 7886 states and 11300 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) [2022-11-25 22:16:30,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:16:30,600 INFO L93 Difference]: Finished difference Result 7886 states and 11300 transitions. [2022-11-25 22:16:30,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:16:30,600 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 126 [2022-11-25 22:16:30,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:16:30,626 INFO L225 Difference]: With dead ends: 7886 [2022-11-25 22:16:30,626 INFO L226 Difference]: Without dead ends: 7884 [2022-11-25 22:16:30,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:16:30,630 INFO L413 NwaCegarLoop]: 2486 mSDtfsCounter, 2762 mSDsluCounter, 2486 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2764 SdHoareTripleChecker+Valid, 4972 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:16:30,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2764 Valid, 4972 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-25 22:16:30,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7884 states. [2022-11-25 22:16:31,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7884 to 7884. [2022-11-25 22:16:31,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7884 states, 4446 states have (on average 1.249212775528565) internal successors, (5554), 4685 states have internal predecessors, (5554), 2764 states have call successors, (2764), 699 states have call predecessors, (2764), 665 states have return successors, (2980), 2629 states have call predecessors, (2980), 2762 states have call successors, (2980) [2022-11-25 22:16:31,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7884 states to 7884 states and 11298 transitions. [2022-11-25 22:16:31,703 INFO L78 Accepts]: Start accepts. Automaton has 7884 states and 11298 transitions. Word has length 126 [2022-11-25 22:16:31,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:16:31,704 INFO L495 AbstractCegarLoop]: Abstraction has 7884 states and 11298 transitions. [2022-11-25 22:16:31,704 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) [2022-11-25 22:16:31,704 INFO L276 IsEmpty]: Start isEmpty. Operand 7884 states and 11298 transitions. [2022-11-25 22:16:31,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-25 22:16:31,706 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:16:31,707 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 22:16:31,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-25 22:16:31,707 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 22:16:31,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:16:31,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1674893092, now seen corresponding path program 1 times [2022-11-25 22:16:31,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:16:31,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807413013] [2022-11-25 22:16:31,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:16:31,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:16:31,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:16:32,123 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:16:32,123 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:16:32,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807413013] [2022-11-25 22:16:32,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807413013] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:16:32,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:16:32,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:16:32,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554610568] [2022-11-25 22:16:32,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:16:32,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:16:32,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:16:32,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:16:32,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:16:32,126 INFO L87 Difference]: Start difference. First operand 7884 states and 11298 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) [2022-11-25 22:16:34,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:16:34,599 INFO L93 Difference]: Finished difference Result 7884 states and 11298 transitions. [2022-11-25 22:16:34,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:16:34,600 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 131 [2022-11-25 22:16:34,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:16:34,623 INFO L225 Difference]: With dead ends: 7884 [2022-11-25 22:16:34,623 INFO L226 Difference]: Without dead ends: 7882 [2022-11-25 22:16:34,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:16:34,628 INFO L413 NwaCegarLoop]: 2484 mSDtfsCounter, 2759 mSDsluCounter, 2484 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2761 SdHoareTripleChecker+Valid, 4968 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:16:34,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2761 Valid, 4968 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-25 22:16:34,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7882 states. [2022-11-25 22:16:35,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7882 to 7882. [2022-11-25 22:16:35,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7882 states, 4445 states have (on average 1.2490438695163104) internal successors, (5552), 4683 states have internal predecessors, (5552), 2764 states have call successors, (2764), 699 states have call predecessors, (2764), 665 states have return successors, (2980), 2629 states have call predecessors, (2980), 2762 states have call successors, (2980) [2022-11-25 22:16:35,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7882 states to 7882 states and 11296 transitions. [2022-11-25 22:16:35,531 INFO L78 Accepts]: Start accepts. Automaton has 7882 states and 11296 transitions. Word has length 131 [2022-11-25 22:16:35,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:16:35,532 INFO L495 AbstractCegarLoop]: Abstraction has 7882 states and 11296 transitions. [2022-11-25 22:16:35,532 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) [2022-11-25 22:16:35,532 INFO L276 IsEmpty]: Start isEmpty. Operand 7882 states and 11296 transitions. [2022-11-25 22:16:35,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-11-25 22:16:35,535 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:16:35,536 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:16:35,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-25 22:16:35,536 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 22:16:35,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:16:35,537 INFO L85 PathProgramCache]: Analyzing trace with hash -22132366, now seen corresponding path program 1 times [2022-11-25 22:16:35,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:16:35,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141087049] [2022-11-25 22:16:35,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:16:35,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:16:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:16:35,960 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:16:35,960 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:16:35,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141087049] [2022-11-25 22:16:35,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141087049] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:16:35,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:16:35,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:16:35,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402302597] [2022-11-25 22:16:35,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:16:35,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:16:35,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:16:35,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:16:35,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:16:35,963 INFO L87 Difference]: Start difference. First operand 7882 states and 11296 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) [2022-11-25 22:16:38,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:16:38,324 INFO L93 Difference]: Finished difference Result 7882 states and 11296 transitions. [2022-11-25 22:16:38,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:16:38,325 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 136 [2022-11-25 22:16:38,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:16:38,349 INFO L225 Difference]: With dead ends: 7882 [2022-11-25 22:16:38,349 INFO L226 Difference]: Without dead ends: 7880 [2022-11-25 22:16:38,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:16:38,355 INFO L413 NwaCegarLoop]: 2482 mSDtfsCounter, 2756 mSDsluCounter, 2482 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2758 SdHoareTripleChecker+Valid, 4964 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:16:38,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2758 Valid, 4964 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-25 22:16:38,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7880 states. [2022-11-25 22:16:39,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7880 to 7880. [2022-11-25 22:16:39,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7880 states, 4444 states have (on average 1.248874887488749) internal successors, (5550), 4681 states have internal predecessors, (5550), 2764 states have call successors, (2764), 699 states have call predecessors, (2764), 665 states have return successors, (2980), 2629 states have call predecessors, (2980), 2762 states have call successors, (2980) [2022-11-25 22:16:39,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7880 states to 7880 states and 11294 transitions. [2022-11-25 22:16:39,345 INFO L78 Accepts]: Start accepts. Automaton has 7880 states and 11294 transitions. Word has length 136 [2022-11-25 22:16:39,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:16:39,346 INFO L495 AbstractCegarLoop]: Abstraction has 7880 states and 11294 transitions. [2022-11-25 22:16:39,346 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) [2022-11-25 22:16:39,346 INFO L276 IsEmpty]: Start isEmpty. Operand 7880 states and 11294 transitions. [2022-11-25 22:16:39,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-11-25 22:16:39,348 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:16:39,348 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 22:16:39,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-25 22:16:39,348 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 22:16:39,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:16:39,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1584187971, now seen corresponding path program 1 times [2022-11-25 22:16:39,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:16:39,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801627813] [2022-11-25 22:16:39,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:16:39,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:16:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:16:39,739 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:16:39,739 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:16:39,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801627813] [2022-11-25 22:16:39,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801627813] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:16:39,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:16:39,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:16:39,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721028858] [2022-11-25 22:16:39,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:16:39,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:16:39,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:16:39,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:16:39,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:16:39,749 INFO L87 Difference]: Start difference. First operand 7880 states and 11294 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) [2022-11-25 22:16:41,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:16:41,880 INFO L93 Difference]: Finished difference Result 7880 states and 11294 transitions. [2022-11-25 22:16:41,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:16:41,880 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 141 [2022-11-25 22:16:41,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:16:41,905 INFO L225 Difference]: With dead ends: 7880 [2022-11-25 22:16:41,905 INFO L226 Difference]: Without dead ends: 7878 [2022-11-25 22:16:41,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:16:41,911 INFO L413 NwaCegarLoop]: 2480 mSDtfsCounter, 2753 mSDsluCounter, 2480 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2755 SdHoareTripleChecker+Valid, 4960 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:16:41,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2755 Valid, 4960 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-25 22:16:41,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7878 states. [2022-11-25 22:16:42,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7878 to 7878. [2022-11-25 22:16:42,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7878 states, 4443 states have (on average 1.2487058293945532) internal successors, (5548), 4679 states have internal predecessors, (5548), 2764 states have call successors, (2764), 699 states have call predecessors, (2764), 665 states have return successors, (2980), 2629 states have call predecessors, (2980), 2762 states have call successors, (2980) [2022-11-25 22:16:42,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7878 states to 7878 states and 11292 transitions. [2022-11-25 22:16:42,975 INFO L78 Accepts]: Start accepts. Automaton has 7878 states and 11292 transitions. Word has length 141 [2022-11-25 22:16:42,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:16:42,975 INFO L495 AbstractCegarLoop]: Abstraction has 7878 states and 11292 transitions. [2022-11-25 22:16:42,975 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) [2022-11-25 22:16:42,975 INFO L276 IsEmpty]: Start isEmpty. Operand 7878 states and 11292 transitions. [2022-11-25 22:16:42,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-11-25 22:16:42,978 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:16:42,979 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 22:16:42,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-25 22:16:42,979 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 22:16:42,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:16:42,980 INFO L85 PathProgramCache]: Analyzing trace with hash 76609583, now seen corresponding path program 1 times [2022-11-25 22:16:42,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:16:42,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855400694] [2022-11-25 22:16:42,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:16:42,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:16:43,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:16:43,343 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:16:43,344 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:16:43,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855400694] [2022-11-25 22:16:43,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855400694] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:16:43,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:16:43,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:16:43,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108322607] [2022-11-25 22:16:43,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:16:43,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:16:43,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:16:43,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:16:43,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:16:43,346 INFO L87 Difference]: Start difference. First operand 7878 states and 11292 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) [2022-11-25 22:16:45,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:16:45,639 INFO L93 Difference]: Finished difference Result 7878 states and 11292 transitions. [2022-11-25 22:16:45,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:16:45,640 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 146 [2022-11-25 22:16:45,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:16:45,662 INFO L225 Difference]: With dead ends: 7878 [2022-11-25 22:16:45,662 INFO L226 Difference]: Without dead ends: 7736 [2022-11-25 22:16:45,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:16:45,668 INFO L413 NwaCegarLoop]: 2479 mSDtfsCounter, 2750 mSDsluCounter, 2479 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2750 SdHoareTripleChecker+Valid, 4958 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:16:45,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2750 Valid, 4958 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-25 22:16:45,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7736 states. [2022-11-25 22:16:46,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7736 to 7736. [2022-11-25 22:16:46,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7736 states, 4369 states have (on average 1.2515449759670405) internal successors, (5468), 4602 states have internal predecessors, (5468), 2717 states have call successors, (2717), 679 states have call predecessors, (2717), 645 states have return successors, (2933), 2584 states have call predecessors, (2933), 2715 states have call successors, (2933) [2022-11-25 22:16:46,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7736 states to 7736 states and 11118 transitions. [2022-11-25 22:16:46,632 INFO L78 Accepts]: Start accepts. Automaton has 7736 states and 11118 transitions. Word has length 146 [2022-11-25 22:16:46,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:16:46,632 INFO L495 AbstractCegarLoop]: Abstraction has 7736 states and 11118 transitions. [2022-11-25 22:16:46,633 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) [2022-11-25 22:16:46,633 INFO L276 IsEmpty]: Start isEmpty. Operand 7736 states and 11118 transitions. [2022-11-25 22:16:46,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-11-25 22:16:46,636 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:16:46,636 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, 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] [2022-11-25 22:16:46,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-25 22:16:46,637 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-25 22:16:46,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:16:46,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1427797470, now seen corresponding path program 1 times [2022-11-25 22:16:46,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:16:46,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060597879] [2022-11-25 22:16:46,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:16:46,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:16:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:16:47,716 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-11-25 22:16:47,716 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:16:47,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060597879] [2022-11-25 22:16:47,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060597879] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:16:47,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [458264793] [2022-11-25 22:16:47,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:16:47,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:16:47,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:16:47,718 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:16:47,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a07e5f4-a002-44e9-8975-ee0a81206f91/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 22:16:48,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:16:48,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 3731 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 22:16:48,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:16:48,991 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 31 proven. 2 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2022-11-25 22:16:48,991 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 22:16:49,188 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-25 22:16:49,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [458264793] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 22:16:49,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [299602423] [2022-11-25 22:16:49,214 INFO L159 IcfgInterpreter]: Started Sifa with 99 locations of interest [2022-11-25 22:16:49,215 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 22:16:49,219 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 22:16:49,226 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 22:16:49,226 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 22:16:56,743 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 [2022-11-25 22:16:58,396 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 [2022-11-25 22:16:58,822 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 [2022-11-25 22:16:59,512 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 [2022-11-25 22:16:59,721 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 [2022-11-25 22:17:00,071 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 [2022-11-25 22:17:01,057 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 [2022-11-25 22:19:26,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-25 22:19:26,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 22:20:08,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-25 22:20:08,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-25 22:20:08,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,797 INFO L217 Elim1Store]: Index analysis took 136 ms [2022-11-25 22:20:08,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:08,828 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:20:08,969 INFO L321 Elim1Store]: treesize reduction 84, result has 39.6 percent of original size [2022-11-25 22:20:08,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 82 select indices, 82 select index equivalence classes, 868 disjoint index pairs (out of 3321 index pairs), introduced 82 new quantified variables, introduced 6 case distinctions, treesize of input 738 treesize of output 992 [2022-11-25 22:20:09,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,680 INFO L217 Elim1Store]: Index analysis took 145 ms [2022-11-25 22:20:09,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:09,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:20:09,905 INFO L321 Elim1Store]: treesize reduction 72, result has 48.2 percent of original size [2022-11-25 22:20:09,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 82 select indices, 82 select index equivalence classes, 868 disjoint index pairs (out of 3321 index pairs), introduced 82 new quantified variables, introduced 6 case distinctions, treesize of input 738 treesize of output 1004 [2022-11-25 22:20:11,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:11,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:11,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:11,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:11,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:11,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:11,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:11,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:11,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:11,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:11,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:11,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:11,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:11,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:11,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:11,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:11,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:11,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:11,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:11,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:11,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:11,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:11,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:11,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:11,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:11,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:11,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:11,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:11,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:11,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:11,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:11,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:11,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,609 INFO L217 Elim1Store]: Index analysis took 763 ms [2022-11-25 22:20:12,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,629 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:20:12,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:12,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:20:17,353 INFO L321 Elim1Store]: treesize reduction 1312, result has 40.8 percent of original size [2022-11-25 22:20:17,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 576 select indices, 576 select index equivalence classes, 6244 disjoint index pairs (out of 165600 index pairs), introduced 576 new quantified variables, introduced 82 case distinctions, treesize of input 4368 treesize of output 6409 [2022-11-25 22:20:24,417 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 91