./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 b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/bin/utaipan-g80aRyZoba/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_86e28680-5f4f-4605-ae96-c362a319303c/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/bin/utaipan-g80aRyZoba --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-b5237d8 [2022-11-22 02:36:33,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:36:33,212 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:36:33,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:36:33,255 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:36:33,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:36:33,262 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:36:33,265 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:36:33,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:36:33,273 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:36:33,275 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:36:33,277 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:36:33,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:36:33,280 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:36:33,282 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:36:33,284 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:36:33,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:36:33,287 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:36:33,288 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:36:33,295 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:36:33,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:36:33,299 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:36:33,301 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:36:33,302 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:36:33,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:36:33,313 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:36:33,313 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:36:33,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:36:33,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:36:33,317 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:36:33,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:36:33,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:36:33,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:36:33,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:36:33,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:36:33,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:36:33,325 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:36:33,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:36:33,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:36:33,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:36:33,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:36:33,329 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 02:36:33,372 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:36:33,373 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:36:33,373 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:36:33,374 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:36:33,375 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:36:33,375 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:36:33,375 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:36:33,376 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:36:33,376 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:36:33,376 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:36:33,377 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:36:33,378 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:36:33,378 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:36:33,378 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:36:33,378 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:36:33,379 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:36:33,379 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:36:33,379 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:36:33,381 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:36:33,381 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:36:33,381 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:36:33,381 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:36:33,382 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:36:33,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:36:33,382 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:36:33,383 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:36:33,383 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:36:33,384 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:36:33,384 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:36:33,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:36:33,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:36:33,385 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:36:33,386 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:36:33,386 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:36:33,386 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:36:33,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:36:33,387 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:36:33,387 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:36:33,387 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_86e28680-5f4f-4605-ae96-c362a319303c/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9035b4ec3c8be0c8a62b9c4cf3880a262fca73149d78c2d88c8226ff5942d9e [2022-11-22 02:36:33,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:36:33,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:36:33,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:36:33,710 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:36:33,710 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:36:33,712 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i [2022-11-22 02:36:36,844 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:36:37,570 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:36:37,571 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i [2022-11-22 02:36:37,649 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/bin/utaipan-g80aRyZoba/data/6d2cbcf21/a7e713c30dfe40c8aa5c05921a8353b1/FLAG518c161dc [2022-11-22 02:36:37,668 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/bin/utaipan-g80aRyZoba/data/6d2cbcf21/a7e713c30dfe40c8aa5c05921a8353b1 [2022-11-22 02:36:37,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:36:37,673 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:36:37,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:36:37,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:36:37,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:36:37,683 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:36:37" (1/1) ... [2022-11-22 02:36:37,684 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30afc182 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:37, skipping insertion in model container [2022-11-22 02:36:37,684 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:36:37" (1/1) ... [2022-11-22 02:36:37,692 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:36:37,917 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:36:41,968 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[374560,374573] [2022-11-22 02:36:41,974 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[374705,374718] [2022-11-22 02:36:41,975 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[374851,374864] [2022-11-22 02:36:41,976 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375016,375029] [2022-11-22 02:36:41,977 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375174,375187] [2022-11-22 02:36:41,978 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375332,375345] [2022-11-22 02:36:41,979 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375490,375503] [2022-11-22 02:36:41,979 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375650,375663] [2022-11-22 02:36:41,980 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375809,375822] [2022-11-22 02:36:41,980 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375948,375961] [2022-11-22 02:36:41,981 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376090,376103] [2022-11-22 02:36:41,982 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376239,376252] [2022-11-22 02:36:41,982 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376378,376391] [2022-11-22 02:36:41,983 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376533,376546] [2022-11-22 02:36:41,983 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376693,376706] [2022-11-22 02:36:41,983 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376844,376857] [2022-11-22 02:36:41,984 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376995,377008] [2022-11-22 02:36:41,985 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377147,377160] [2022-11-22 02:36:41,986 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377296,377309] [2022-11-22 02:36:41,986 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377444,377457] [2022-11-22 02:36:41,987 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377601,377614] [2022-11-22 02:36:41,987 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377750,377763] [2022-11-22 02:36:41,988 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377906,377919] [2022-11-22 02:36:41,989 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378059,378072] [2022-11-22 02:36:41,990 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378205,378218] [2022-11-22 02:36:41,990 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378348,378361] [2022-11-22 02:36:41,991 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378500,378513] [2022-11-22 02:36:41,992 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378646,378659] [2022-11-22 02:36:41,993 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378791,378804] [2022-11-22 02:36:41,994 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378945,378958] [2022-11-22 02:36:41,994 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379096,379109] [2022-11-22 02:36:41,995 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379251,379264] [2022-11-22 02:36:41,996 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379403,379416] [2022-11-22 02:36:41,997 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379558,379571] [2022-11-22 02:36:41,997 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379722,379735] [2022-11-22 02:36:41,998 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379878,379891] [2022-11-22 02:36:41,998 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380042,380055] [2022-11-22 02:36:41,999 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380184,380197] [2022-11-22 02:36:41,999 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380342,380355] [2022-11-22 02:36:42,000 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380509,380522] [2022-11-22 02:36:42,001 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380668,380681] [2022-11-22 02:36:42,002 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380827,380840] [2022-11-22 02:36:42,003 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380976,380989] [2022-11-22 02:36:42,004 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381123,381136] [2022-11-22 02:36:42,004 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381262,381275] [2022-11-22 02:36:42,004 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381425,381438] [2022-11-22 02:36:42,005 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381591,381604] [2022-11-22 02:36:42,008 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381755,381768] [2022-11-22 02:36:42,009 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381920,381933] [2022-11-22 02:36:42,009 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382085,382098] [2022-11-22 02:36:42,010 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382251,382264] [2022-11-22 02:36:42,010 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382416,382429] [2022-11-22 02:36:42,011 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382583,382596] [2022-11-22 02:36:42,012 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382743,382756] [2022-11-22 02:36:42,012 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382905,382918] [2022-11-22 02:36:42,013 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383064,383077] [2022-11-22 02:36:42,013 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383210,383223] [2022-11-22 02:36:42,014 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383353,383366] [2022-11-22 02:36:42,014 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383497,383510] [2022-11-22 02:36:42,015 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383640,383653] [2022-11-22 02:36:42,016 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383784,383797] [2022-11-22 02:36:42,016 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383925,383938] [2022-11-22 02:36:42,017 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384063,384076] [2022-11-22 02:36:42,017 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384221,384234] [2022-11-22 02:36:42,018 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384380,384393] [2022-11-22 02:36:42,020 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384536,384549] [2022-11-22 02:36:42,021 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384685,384698] [2022-11-22 02:36:42,022 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384837,384850] [2022-11-22 02:36:42,022 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384988,385001] [2022-11-22 02:36:42,023 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385137,385150] [2022-11-22 02:36:42,024 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385289,385302] [2022-11-22 02:36:42,024 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385437,385450] [2022-11-22 02:36:42,025 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385590,385603] [2022-11-22 02:36:42,026 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385741,385754] [2022-11-22 02:36:42,026 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385891,385904] [2022-11-22 02:36:42,027 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386038,386051] [2022-11-22 02:36:42,027 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386189,386202] [2022-11-22 02:36:42,027 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386340,386353] [2022-11-22 02:36:42,028 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386488,386501] [2022-11-22 02:36:42,028 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386654,386667] [2022-11-22 02:36:42,029 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386823,386836] [2022-11-22 02:36:42,029 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386990,387003] [2022-11-22 02:36:42,030 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387158,387171] [2022-11-22 02:36:42,030 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387308,387321] [2022-11-22 02:36:42,032 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387455,387468] [2022-11-22 02:36:42,032 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387616,387629] [2022-11-22 02:36:42,033 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387786,387799] [2022-11-22 02:36:42,033 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387948,387961] [2022-11-22 02:36:42,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:36:42,084 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:36:42,661 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[374560,374573] [2022-11-22 02:36:42,662 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[374705,374718] [2022-11-22 02:36:42,662 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[374851,374864] [2022-11-22 02:36:42,662 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375016,375029] [2022-11-22 02:36:42,663 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375174,375187] [2022-11-22 02:36:42,663 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375332,375345] [2022-11-22 02:36:42,663 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375490,375503] [2022-11-22 02:36:42,664 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375650,375663] [2022-11-22 02:36:42,664 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375809,375822] [2022-11-22 02:36:42,664 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375948,375961] [2022-11-22 02:36:42,665 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376090,376103] [2022-11-22 02:36:42,665 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376239,376252] [2022-11-22 02:36:42,665 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376378,376391] [2022-11-22 02:36:42,666 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376533,376546] [2022-11-22 02:36:42,666 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376693,376706] [2022-11-22 02:36:42,666 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376844,376857] [2022-11-22 02:36:42,667 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376995,377008] [2022-11-22 02:36:42,667 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377147,377160] [2022-11-22 02:36:42,667 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377296,377309] [2022-11-22 02:36:42,668 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377444,377457] [2022-11-22 02:36:42,668 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377601,377614] [2022-11-22 02:36:42,669 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377750,377763] [2022-11-22 02:36:42,669 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377906,377919] [2022-11-22 02:36:42,669 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378059,378072] [2022-11-22 02:36:42,670 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378205,378218] [2022-11-22 02:36:42,670 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378348,378361] [2022-11-22 02:36:42,670 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378500,378513] [2022-11-22 02:36:42,671 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378646,378659] [2022-11-22 02:36:42,671 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378791,378804] [2022-11-22 02:36:42,672 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378945,378958] [2022-11-22 02:36:42,672 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379096,379109] [2022-11-22 02:36:42,672 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379251,379264] [2022-11-22 02:36:42,673 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379403,379416] [2022-11-22 02:36:42,673 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379558,379571] [2022-11-22 02:36:42,673 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379722,379735] [2022-11-22 02:36:42,674 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379878,379891] [2022-11-22 02:36:42,674 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380042,380055] [2022-11-22 02:36:42,674 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380184,380197] [2022-11-22 02:36:42,675 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380342,380355] [2022-11-22 02:36:42,675 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380509,380522] [2022-11-22 02:36:42,675 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380668,380681] [2022-11-22 02:36:42,676 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380827,380840] [2022-11-22 02:36:42,676 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380976,380989] [2022-11-22 02:36:42,676 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381123,381136] [2022-11-22 02:36:42,677 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381262,381275] [2022-11-22 02:36:42,677 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381425,381438] [2022-11-22 02:36:42,678 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381591,381604] [2022-11-22 02:36:42,678 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381755,381768] [2022-11-22 02:36:42,678 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381920,381933] [2022-11-22 02:36:42,679 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382085,382098] [2022-11-22 02:36:42,679 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382251,382264] [2022-11-22 02:36:42,679 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382416,382429] [2022-11-22 02:36:42,680 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382583,382596] [2022-11-22 02:36:42,680 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382743,382756] [2022-11-22 02:36:42,680 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382905,382918] [2022-11-22 02:36:42,681 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383064,383077] [2022-11-22 02:36:42,681 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383210,383223] [2022-11-22 02:36:42,681 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383353,383366] [2022-11-22 02:36:42,681 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383497,383510] [2022-11-22 02:36:42,682 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383640,383653] [2022-11-22 02:36:42,682 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383784,383797] [2022-11-22 02:36:42,683 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383925,383938] [2022-11-22 02:36:42,683 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384063,384076] [2022-11-22 02:36:42,683 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384221,384234] [2022-11-22 02:36:42,684 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384380,384393] [2022-11-22 02:36:42,684 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384536,384549] [2022-11-22 02:36:42,684 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384685,384698] [2022-11-22 02:36:42,685 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384837,384850] [2022-11-22 02:36:42,685 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384988,385001] [2022-11-22 02:36:42,685 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385137,385150] [2022-11-22 02:36:42,686 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385289,385302] [2022-11-22 02:36:42,686 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385437,385450] [2022-11-22 02:36:42,687 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385590,385603] [2022-11-22 02:36:42,687 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385741,385754] [2022-11-22 02:36:42,687 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385891,385904] [2022-11-22 02:36:42,688 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386038,386051] [2022-11-22 02:36:42,688 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386189,386202] [2022-11-22 02:36:42,688 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386340,386353] [2022-11-22 02:36:42,689 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386488,386501] [2022-11-22 02:36:42,689 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386654,386667] [2022-11-22 02:36:42,689 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386823,386836] [2022-11-22 02:36:42,690 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386990,387003] [2022-11-22 02:36:42,690 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387158,387171] [2022-11-22 02:36:42,690 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387308,387321] [2022-11-22 02:36:42,691 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387455,387468] [2022-11-22 02:36:42,691 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387616,387629] [2022-11-22 02:36:42,691 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387786,387799] [2022-11-22 02:36:42,692 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387948,387961] [2022-11-22 02:36:42,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:36:42,912 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:36:42,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:42 WrapperNode [2022-11-22 02:36:42,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:36:42,914 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:36:42,914 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:36:42,914 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:36:42,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:42" (1/1) ... [2022-11-22 02:36:43,044 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:42" (1/1) ... [2022-11-22 02:36:43,315 INFO L138 Inliner]: procedures = 640, calls = 3018, calls flagged for inlining = 295, calls inlined = 219, statements flattened = 6490 [2022-11-22 02:36:43,316 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:36:43,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:36:43,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:36:43,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:36:43,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:42" (1/1) ... [2022-11-22 02:36:43,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:42" (1/1) ... [2022-11-22 02:36:43,390 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:42" (1/1) ... [2022-11-22 02:36:43,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:42" (1/1) ... [2022-11-22 02:36:43,553 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:42" (1/1) ... [2022-11-22 02:36:43,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:42" (1/1) ... [2022-11-22 02:36:43,630 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:42" (1/1) ... [2022-11-22 02:36:43,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:42" (1/1) ... [2022-11-22 02:36:43,704 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:36:43,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:36:43,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:36:43,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:36:43,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:42" (1/1) ... [2022-11-22 02:36:43,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:36:43,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:36:43,740 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:36:43,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:36:43,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2022-11-22 02:36:43,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2022-11-22 02:36:43,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-22 02:36:43,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-22 02:36:43,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-22 02:36:43,793 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-22 02:36:43,793 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_wakeup [2022-11-22 02:36:43,793 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_wakeup [2022-11-22 02:36:43,793 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_read_fifo [2022-11-22 02:36:43,793 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_read_fifo [2022-11-22 02:36:43,794 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_write_fifo [2022-11-22 02:36:43,794 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_write_fifo [2022-11-22 02:36:43,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 02:36:43,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 02:36:43,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_net2272 [2022-11-22 02:36:43,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_net2272 [2022-11-22 02:36:43,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_remap [2022-11-22 02:36:43,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_remap [2022-11-22 02:36:43,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-22 02:36:43,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-22 02:36:43,851 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-22 02:36:43,851 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-22 02:36:43,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-22 02:36:43,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-22 02:36:43,851 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_read [2022-11-22 02:36:43,851 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_read [2022-11-22 02:36:43,852 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-11-22 02:36:43,852 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-11-22 02:36:43,852 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_enable [2022-11-22 02:36:43,852 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_enable [2022-11-22 02:36:43,852 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_pio_advance [2022-11-22 02:36:43,852 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_pio_advance [2022-11-22 02:36:43,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-22 02:36:43,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-22 02:36:43,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-22 02:36:43,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-22 02:36:43,853 INFO L130 BoogieDeclarations]: Found specification of procedure set_fifo_bytecount [2022-11-22 02:36:43,853 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fifo_bytecount [2022-11-22 02:36:43,853 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_usb_reset [2022-11-22 02:36:43,853 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_usb_reset [2022-11-22 02:36:43,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-22 02:36:43,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-22 02:36:43,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-22 02:36:43,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-22 02:36:43,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-22 02:36:43,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-22 02:36:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_usb_reinit [2022-11-22 02:36:43,854 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_usb_reinit [2022-11-22 02:36:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_pci_unregister [2022-11-22 02:36:43,854 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_pci_unregister [2022-11-22 02:36:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-11-22 02:36:43,854 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-11-22 02:36:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:36:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_101 [2022-11-22 02:36:43,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_101 [2022-11-22 02:36:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure type_string [2022-11-22 02:36:43,855 INFO L138 BoogieDeclarations]: Found implementation of procedure type_string [2022-11-22 02:36:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_gadget_release [2022-11-22 02:36:43,855 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_gadget_release [2022-11-22 02:36:43,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-22 02:36:43,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-22 02:36:43,856 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_handle_dma [2022-11-22 02:36:43,856 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_handle_dma [2022-11-22 02:36:43,857 INFO L130 BoogieDeclarations]: Found specification of procedure allow_status [2022-11-22 02:36:43,857 INFO L138 BoogieDeclarations]: Found implementation of procedure allow_status [2022-11-22 02:36:43,859 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-22 02:36:43,859 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-22 02:36:43,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-22 02:36:43,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-22 02:36:43,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-22 02:36:43,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-22 02:36:43,860 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_request_dma [2022-11-22 02:36:43,860 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_request_dma [2022-11-22 02:36:43,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-22 02:36:43,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-22 02:36:43,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 02:36:43,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-22 02:36:43,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-22 02:36:43,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-22 02:36:43,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-22 02:36:43,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-22 02:36:43,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-22 02:36:43,861 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_ep_read [2022-11-22 02:36:43,861 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_ep_read [2022-11-22 02:36:43,861 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-22 02:36:43,861 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-22 02:36:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-22 02:36:43,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-22 02:36:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-22 02:36:43,862 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-22 02:36:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-22 02:36:43,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-22 02:36:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2022-11-22 02:36:43,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2022-11-22 02:36:43,863 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_set_halt_and_wedge [2022-11-22 02:36:43,863 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_set_halt_and_wedge [2022-11-22 02:36:43,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 02:36:43,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2022-11-22 02:36:43,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2022-11-22 02:36:43,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-22 02:36:43,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-22 02:36:43,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:36:43,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-22 02:36:43,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-22 02:36:43,864 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-22 02:36:43,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-22 02:36:43,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 02:36:43,864 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 02:36:43,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 02:36:43,865 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-22 02:36:43,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-22 02:36:43,865 INFO L130 BoogieDeclarations]: Found specification of procedure set_halt [2022-11-22 02:36:43,865 INFO L138 BoogieDeclarations]: Found implementation of procedure set_halt [2022-11-22 02:36:43,865 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_set_maxpacket_limit [2022-11-22 02:36:43,865 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_set_maxpacket_limit [2022-11-22 02:36:43,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-22 02:36:43,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-22 02:36:43,866 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-22 02:36:43,866 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-22 02:36:43,866 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_set_wedge [2022-11-22 02:36:43,866 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_set_wedge [2022-11-22 02:36:43,866 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_ep_reset [2022-11-22 02:36:43,866 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_ep_reset [2022-11-22 02:36:43,866 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-22 02:36:43,867 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-22 02:36:43,867 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-22 02:36:43,867 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-22 02:36:43,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:36:43,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:36:43,867 INFO L130 BoogieDeclarations]: Found specification of procedure stop_activity [2022-11-22 02:36:43,867 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_activity [2022-11-22 02:36:43,868 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-22 02:36:43,868 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-22 02:36:43,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 02:36:43,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 02:36:43,868 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_irq [2022-11-22 02:36:43,868 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_irq [2022-11-22 02:36:43,868 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_handle_ep [2022-11-22 02:36:43,868 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_handle_ep [2022-11-22 02:36:43,869 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_start [2022-11-22 02:36:43,869 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_start [2022-11-22 02:36:43,869 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_ep_write [2022-11-22 02:36:43,869 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_ep_write [2022-11-22 02:36:43,869 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_pci_probe [2022-11-22 02:36:43,869 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_pci_probe [2022-11-22 02:36:43,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-22 02:36:43,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-22 02:36:43,870 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_probe_fin [2022-11-22 02:36:43,870 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_probe_fin [2022-11-22 02:36:43,870 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_fifo_flush [2022-11-22 02:36:43,870 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_fifo_flush [2022-11-22 02:36:43,870 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_done [2022-11-22 02:36:43,870 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_done [2022-11-22 02:36:43,874 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_cancel_dma [2022-11-22 02:36:43,874 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_cancel_dma [2022-11-22 02:36:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-22 02:36:43,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-22 02:36:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_dequeue_all [2022-11-22 02:36:43,875 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_dequeue_all [2022-11-22 02:36:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-22 02:36:43,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-22 02:36:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_probe_init [2022-11-22 02:36:43,876 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_probe_init [2022-11-22 02:36:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-22 02:36:43,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-22 02:36:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-22 02:36:43,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-22 02:36:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_remove [2022-11-22 02:36:43,876 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_remove [2022-11-22 02:36:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-22 02:36:43,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-22 02:36:43,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 02:36:43,877 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-22 02:36:43,877 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-22 02:36:43,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-22 02:36:43,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-22 02:36:43,877 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_fifo_status [2022-11-22 02:36:43,877 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_fifo_status [2022-11-22 02:36:43,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 02:36:43,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_130 [2022-11-22 02:36:43,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_130 [2022-11-22 02:36:43,878 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_isoc [2022-11-22 02:36:43,878 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_isoc [2022-11-22 02:36:43,878 INFO L130 BoogieDeclarations]: Found specification of procedure buf_state_string [2022-11-22 02:36:43,878 INFO L138 BoogieDeclarations]: Found implementation of procedure buf_state_string [2022-11-22 02:36:43,879 INFO L130 BoogieDeclarations]: Found specification of procedure clear_halt [2022-11-22 02:36:43,879 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_halt [2022-11-22 02:36:43,879 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-11-22 02:36:43,879 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-11-22 02:36:43,879 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_stop [2022-11-22 02:36:43,879 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_stop [2022-11-22 02:36:43,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 02:36:43,880 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-22 02:36:43,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-22 02:36:43,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-22 02:36:43,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-22 02:36:43,885 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_reg_addr [2022-11-22 02:36:43,885 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_reg_addr [2022-11-22 02:36:43,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_net2272 [2022-11-22 02:36:43,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_net2272 [2022-11-22 02:36:43,886 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-22 02:36:43,886 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-22 02:36:43,891 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_plat_probe [2022-11-22 02:36:43,892 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_plat_probe [2022-11-22 02:36:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-22 02:36:43,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-22 02:36:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-22 02:36:43,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-22 02:36:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_11_2 [2022-11-22 02:36:43,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_11_2 [2022-11-22 02:36:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-22 02:36:43,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-22 02:36:43,893 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_write [2022-11-22 02:36:43,893 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_write [2022-11-22 02:36:43,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-22 02:36:43,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-22 02:36:43,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-22 02:36:43,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-22 02:36:43,894 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_plat_remove [2022-11-22 02:36:43,894 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_plat_remove [2022-11-22 02:36:43,894 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-22 02:36:43,894 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-22 02:36:43,894 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_ep0_start [2022-11-22 02:36:43,894 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_ep0_start [2022-11-22 02:36:43,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-22 02:36:43,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-22 02:36:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-22 02:36:43,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-22 02:36:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-22 02:36:43,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-22 02:36:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_pci_remove [2022-11-22 02:36:43,895 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_pci_remove [2022-11-22 02:36:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_disable [2022-11-22 02:36:43,895 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_disable [2022-11-22 02:36:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-22 02:36:43,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-22 02:36:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-22 02:36:43,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-22 02:36:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-22 02:36:43,896 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-22 02:36:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 02:36:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_handle_stat0_irqs [2022-11-22 02:36:43,897 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_handle_stat0_irqs [2022-11-22 02:36:43,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-22 02:36:43,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-22 02:36:43,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 02:36:43,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 02:36:43,897 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_get_frame [2022-11-22 02:36:43,897 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_get_frame [2022-11-22 02:36:43,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-22 02:36:43,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-22 02:36:43,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_102 [2022-11-22 02:36:43,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_102 [2022-11-22 02:36:43,898 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_get_ep_by_addr [2022-11-22 02:36:43,898 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_get_ep_by_addr [2022-11-22 02:36:43,898 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-22 02:36:43,898 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-22 02:36:43,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-22 02:36:43,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-22 02:36:43,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-22 02:36:43,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-22 02:36:43,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_0_5 [2022-11-22 02:36:43,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_0_5 [2022-11-22 02:36:43,899 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-22 02:36:43,899 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-22 02:36:43,899 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_kick_dma [2022-11-22 02:36:43,899 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_kick_dma [2022-11-22 02:36:43,899 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_dequeue [2022-11-22 02:36:43,900 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_dequeue [2022-11-22 02:36:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-22 02:36:43,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-22 02:36:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-22 02:36:43,900 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-22 02:36:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:36:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-22 02:36:43,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-11-22 02:36:43,901 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2022-11-22 02:36:43,901 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2022-11-22 02:36:43,901 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-11-22 02:36:43,901 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-11-22 02:36:43,901 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-11-22 02:36:43,901 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-11-22 02:36:44,885 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:36:44,897 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:36:45,169 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 02:36:45,656 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-22 02:36:45,885 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !(0 != assert_out_naking_~tmp___0~4#1); [2022-11-22 02:36:45,885 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)))); [2022-11-22 02:36:45,886 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); [2022-11-22 02:36:45,886 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 [2022-11-22 02:36:45,886 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; [2022-11-22 02:36:45,886 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; [2022-11-22 02:36:45,887 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 [2022-11-22 02:36:45,887 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L4824: goto; [2022-11-22 02:36:45,887 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; [2022-11-22 02:36:50,686 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:36:52,238 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:36:52,239 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 02:36:52,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:36:52 BoogieIcfgContainer [2022-11-22 02:36:52,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:36:52,247 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:36:52,247 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:36:52,251 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:36:52,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:36:37" (1/3) ... [2022-11-22 02:36:52,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43146bfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:36:52, skipping insertion in model container [2022-11-22 02:36:52,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:42" (2/3) ... [2022-11-22 02:36:52,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43146bfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:36:52, skipping insertion in model container [2022-11-22 02:36:52,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:36:52" (3/3) ... [2022-11-22 02:36:52,254 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i [2022-11-22 02:36:52,275 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:36:52,275 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-11-22 02:36:52,363 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:36:52,378 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;@2739dcd3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:36:52,378 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2022-11-22 02:36:52,396 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) [2022-11-22 02:36:52,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-22 02:36:52,413 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:36:52,414 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] [2022-11-22 02:36:52,415 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)] === [2022-11-22 02:36:52,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:36:52,422 INFO L85 PathProgramCache]: Analyzing trace with hash -451344616, now seen corresponding path program 1 times [2022-11-22 02:36:52,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:36:52,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232539758] [2022-11-22 02:36:52,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:36:52,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:36:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:36:53,614 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:36:53,615 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:36:53,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232539758] [2022-11-22 02:36:53,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232539758] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:36:53,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:36:53,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:36:53,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838136718] [2022-11-22 02:36:53,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:36:53,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:36:53,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:36:53,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:36:53,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:36:53,664 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) [2022-11-22 02:36:56,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:36:56,589 INFO L93 Difference]: Finished difference Result 5886 states and 8952 transitions. [2022-11-22 02:36:56,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 02:36:56,592 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 [2022-11-22 02:36:56,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:36:56,660 INFO L225 Difference]: With dead ends: 5886 [2022-11-22 02:36:56,661 INFO L226 Difference]: Without dead ends: 3876 [2022-11-22 02:36:56,691 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 [2022-11-22 02:36:56,695 INFO L413 NwaCegarLoop]: 3300 mSDtfsCounter, 2729 mSDsluCounter, 5894 mSDsCounter, 0 mSdLazyCounter, 1001 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s 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 [2022-11-22 02:36:56,696 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] [2022-11-22 02:36:56,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3876 states. [2022-11-22 02:36:57,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3876 to 3700. [2022-11-22 02:36:57,122 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) [2022-11-22 02:36:57,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3700 states to 3700 states and 5423 transitions. [2022-11-22 02:36:57,171 INFO L78 Accepts]: Start accepts. Automaton has 3700 states and 5423 transitions. Word has length 49 [2022-11-22 02:36:57,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:36:57,173 INFO L495 AbstractCegarLoop]: Abstraction has 3700 states and 5423 transitions. [2022-11-22 02:36:57,173 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) [2022-11-22 02:36:57,173 INFO L276 IsEmpty]: Start isEmpty. Operand 3700 states and 5423 transitions. [2022-11-22 02:36:57,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-22 02:36:57,182 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:36:57,183 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] [2022-11-22 02:36:57,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 02:36:57,183 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)] === [2022-11-22 02:36:57,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:36:57,184 INFO L85 PathProgramCache]: Analyzing trace with hash -2016108300, now seen corresponding path program 1 times [2022-11-22 02:36:57,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:36:57,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630544613] [2022-11-22 02:36:57,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:36:57,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:36:57,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:36:57,900 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:36:57,900 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:36:57,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630544613] [2022-11-22 02:36:57,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630544613] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:36:57,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:36:57,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:36:57,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307072900] [2022-11-22 02:36:57,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:36:57,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:36:57,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:36:57,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:36:57,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:36:57,904 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) [2022-11-22 02:36:59,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:36:59,603 INFO L93 Difference]: Finished difference Result 3700 states and 5423 transitions. [2022-11-22 02:36:59,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:36:59,603 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 [2022-11-22 02:36:59,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:36:59,633 INFO L225 Difference]: With dead ends: 3700 [2022-11-22 02:36:59,633 INFO L226 Difference]: Without dead ends: 3698 [2022-11-22 02:36:59,636 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 [2022-11-22 02:36:59,637 INFO L413 NwaCegarLoop]: 2531 mSDtfsCounter, 2821 mSDsluCounter, 2531 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.4s IncrementalHoareTripleChecker+Time [2022-11-22 02:36:59,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2823 Valid, 5062 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-22 02:36:59,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3698 states. [2022-11-22 02:36:59,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3698 to 3698. [2022-11-22 02:36:59,851 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) [2022-11-22 02:36:59,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3698 states to 3698 states and 5421 transitions. [2022-11-22 02:36:59,887 INFO L78 Accepts]: Start accepts. Automaton has 3698 states and 5421 transitions. Word has length 54 [2022-11-22 02:36:59,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:36:59,888 INFO L495 AbstractCegarLoop]: Abstraction has 3698 states and 5421 transitions. [2022-11-22 02:36:59,888 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) [2022-11-22 02:36:59,889 INFO L276 IsEmpty]: Start isEmpty. Operand 3698 states and 5421 transitions. [2022-11-22 02:36:59,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-22 02:36:59,895 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:36:59,895 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] [2022-11-22 02:36:59,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 02:36:59,896 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)] === [2022-11-22 02:36:59,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:36:59,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1148908514, now seen corresponding path program 1 times [2022-11-22 02:36:59,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:36:59,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621276734] [2022-11-22 02:36:59,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:36:59,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:37:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:37:00,649 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:37:00,649 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:37:00,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621276734] [2022-11-22 02:37:00,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621276734] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:37:00,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:37:00,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:37:00,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538665943] [2022-11-22 02:37:00,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:37:00,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:37:00,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:37:00,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:37:00,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:37:00,653 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) [2022-11-22 02:37:02,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:37:02,170 INFO L93 Difference]: Finished difference Result 3698 states and 5421 transitions. [2022-11-22 02:37:02,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:37:02,170 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 [2022-11-22 02:37:02,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:37:02,197 INFO L225 Difference]: With dead ends: 3698 [2022-11-22 02:37:02,197 INFO L226 Difference]: Without dead ends: 3696 [2022-11-22 02:37:02,201 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 [2022-11-22 02:37:02,202 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, 1.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:37:02,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2820 Valid, 5058 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-22 02:37:02,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3696 states. [2022-11-22 02:37:02,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3696 to 3696. [2022-11-22 02:37:02,456 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) [2022-11-22 02:37:02,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3696 states to 3696 states and 5419 transitions. [2022-11-22 02:37:02,484 INFO L78 Accepts]: Start accepts. Automaton has 3696 states and 5419 transitions. Word has length 59 [2022-11-22 02:37:02,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:37:02,484 INFO L495 AbstractCegarLoop]: Abstraction has 3696 states and 5419 transitions. [2022-11-22 02:37:02,485 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) [2022-11-22 02:37:02,485 INFO L276 IsEmpty]: Start isEmpty. Operand 3696 states and 5419 transitions. [2022-11-22 02:37:02,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-22 02:37:02,486 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:37:02,486 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] [2022-11-22 02:37:02,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 02:37:02,487 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)] === [2022-11-22 02:37:02,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:37:02,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1772648514, now seen corresponding path program 1 times [2022-11-22 02:37:02,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:37:02,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530610999] [2022-11-22 02:37:02,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:37:02,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:37:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:37:03,026 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:37:03,027 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:37:03,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530610999] [2022-11-22 02:37:03,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530610999] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:37:03,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:37:03,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:37:03,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795019859] [2022-11-22 02:37:03,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:37:03,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:37:03,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:37:03,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:37:03,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:37:03,029 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) [2022-11-22 02:37:04,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:37:04,477 INFO L93 Difference]: Finished difference Result 3696 states and 5419 transitions. [2022-11-22 02:37:04,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:37:04,478 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 [2022-11-22 02:37:04,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:37:04,504 INFO L225 Difference]: With dead ends: 3696 [2022-11-22 02:37:04,504 INFO L226 Difference]: Without dead ends: 3694 [2022-11-22 02:37:04,508 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 [2022-11-22 02:37:04,509 INFO L413 NwaCegarLoop]: 2527 mSDtfsCounter, 2815 mSDsluCounter, 2527 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:37:04,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2817 Valid, 5054 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-22 02:37:04,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3694 states. [2022-11-22 02:37:04,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3694 to 3694. [2022-11-22 02:37:04,792 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) [2022-11-22 02:37:04,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3694 states to 3694 states and 5417 transitions. [2022-11-22 02:37:04,904 INFO L78 Accepts]: Start accepts. Automaton has 3694 states and 5417 transitions. Word has length 64 [2022-11-22 02:37:04,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:37:04,904 INFO L495 AbstractCegarLoop]: Abstraction has 3694 states and 5417 transitions. [2022-11-22 02:37:04,905 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) [2022-11-22 02:37:04,905 INFO L276 IsEmpty]: Start isEmpty. Operand 3694 states and 5417 transitions. [2022-11-22 02:37:04,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-22 02:37:04,907 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:37:04,907 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] [2022-11-22 02:37:04,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 02:37:04,907 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)] === [2022-11-22 02:37:04,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:37:04,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1598745412, now seen corresponding path program 1 times [2022-11-22 02:37:04,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:37:04,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686722493] [2022-11-22 02:37:04,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:37:04,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:37:05,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:37:05,458 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:37:05,459 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:37:05,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686722493] [2022-11-22 02:37:05,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686722493] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:37:05,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:37:05,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:37:05,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039579628] [2022-11-22 02:37:05,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:37:05,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:37:05,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:37:05,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:37:05,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:37:05,462 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) [2022-11-22 02:37:07,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:37:07,098 INFO L93 Difference]: Finished difference Result 3694 states and 5417 transitions. [2022-11-22 02:37:07,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:37:07,099 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 [2022-11-22 02:37:07,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:37:07,126 INFO L225 Difference]: With dead ends: 3694 [2022-11-22 02:37:07,126 INFO L226 Difference]: Without dead ends: 3692 [2022-11-22 02:37:07,130 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 [2022-11-22 02:37:07,130 INFO L413 NwaCegarLoop]: 2525 mSDtfsCounter, 2812 mSDsluCounter, 2525 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:37:07,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2814 Valid, 5050 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-22 02:37:07,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3692 states. [2022-11-22 02:37:07,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3692 to 3692. [2022-11-22 02:37:07,517 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) [2022-11-22 02:37:07,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3692 states to 3692 states and 5415 transitions. [2022-11-22 02:37:07,550 INFO L78 Accepts]: Start accepts. Automaton has 3692 states and 5415 transitions. Word has length 69 [2022-11-22 02:37:07,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:37:07,551 INFO L495 AbstractCegarLoop]: Abstraction has 3692 states and 5415 transitions. [2022-11-22 02:37:07,551 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) [2022-11-22 02:37:07,551 INFO L276 IsEmpty]: Start isEmpty. Operand 3692 states and 5415 transitions. [2022-11-22 02:37:07,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-22 02:37:07,553 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:37:07,553 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] [2022-11-22 02:37:07,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 02:37:07,554 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)] === [2022-11-22 02:37:07,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:37:07,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1336586300, now seen corresponding path program 1 times [2022-11-22 02:37:07,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:37:07,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274733730] [2022-11-22 02:37:07,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:37:07,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:37:07,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:37:08,005 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:37:08,005 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:37:08,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274733730] [2022-11-22 02:37:08,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274733730] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:37:08,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:37:08,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:37:08,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357390196] [2022-11-22 02:37:08,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:37:08,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:37:08,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:37:08,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:37:08,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:37:08,008 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) [2022-11-22 02:37:09,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:37:09,491 INFO L93 Difference]: Finished difference Result 3692 states and 5415 transitions. [2022-11-22 02:37:09,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:37:09,491 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 [2022-11-22 02:37:09,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:37:09,516 INFO L225 Difference]: With dead ends: 3692 [2022-11-22 02:37:09,516 INFO L226 Difference]: Without dead ends: 3690 [2022-11-22 02:37:09,520 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 [2022-11-22 02:37:09,521 INFO L413 NwaCegarLoop]: 2523 mSDtfsCounter, 2809 mSDsluCounter, 2523 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:37:09,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2811 Valid, 5046 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-22 02:37:09,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3690 states. [2022-11-22 02:37:09,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3690 to 3690. [2022-11-22 02:37:09,778 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) [2022-11-22 02:37:09,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3690 states to 3690 states and 5413 transitions. [2022-11-22 02:37:09,803 INFO L78 Accepts]: Start accepts. Automaton has 3690 states and 5413 transitions. Word has length 74 [2022-11-22 02:37:09,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:37:09,804 INFO L495 AbstractCegarLoop]: Abstraction has 3690 states and 5413 transitions. [2022-11-22 02:37:09,804 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) [2022-11-22 02:37:09,804 INFO L276 IsEmpty]: Start isEmpty. Operand 3690 states and 5413 transitions. [2022-11-22 02:37:09,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-22 02:37:09,806 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:37:09,806 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] [2022-11-22 02:37:09,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 02:37:09,806 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)] === [2022-11-22 02:37:09,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:37:09,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1366546643, now seen corresponding path program 1 times [2022-11-22 02:37:09,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:37:09,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459547403] [2022-11-22 02:37:09,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:37:09,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:37:09,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:37:10,268 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:37:10,268 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:37:10,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459547403] [2022-11-22 02:37:10,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459547403] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:37:10,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:37:10,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:37:10,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645965694] [2022-11-22 02:37:10,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:37:10,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:37:10,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:37:10,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:37:10,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:37:10,272 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) [2022-11-22 02:37:11,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:37:11,866 INFO L93 Difference]: Finished difference Result 3690 states and 5413 transitions. [2022-11-22 02:37:11,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:37:11,867 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 [2022-11-22 02:37:11,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:37:11,894 INFO L225 Difference]: With dead ends: 3690 [2022-11-22 02:37:11,894 INFO L226 Difference]: Without dead ends: 3688 [2022-11-22 02:37:11,899 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 [2022-11-22 02:37:11,899 INFO L413 NwaCegarLoop]: 2521 mSDtfsCounter, 2806 mSDsluCounter, 2521 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.3s IncrementalHoareTripleChecker+Time [2022-11-22 02:37:11,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2808 Valid, 5042 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-22 02:37:11,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3688 states. [2022-11-22 02:37:12,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3688 to 3688. [2022-11-22 02:37:12,255 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) [2022-11-22 02:37:12,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3688 states to 3688 states and 5411 transitions. [2022-11-22 02:37:12,277 INFO L78 Accepts]: Start accepts. Automaton has 3688 states and 5411 transitions. Word has length 79 [2022-11-22 02:37:12,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:37:12,279 INFO L495 AbstractCegarLoop]: Abstraction has 3688 states and 5411 transitions. [2022-11-22 02:37:12,280 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) [2022-11-22 02:37:12,280 INFO L276 IsEmpty]: Start isEmpty. Operand 3688 states and 5411 transitions. [2022-11-22 02:37:12,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-22 02:37:12,294 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:37:12,294 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] [2022-11-22 02:37:12,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 02:37:12,295 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)] === [2022-11-22 02:37:12,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:37:12,296 INFO L85 PathProgramCache]: Analyzing trace with hash 326234073, now seen corresponding path program 1 times [2022-11-22 02:37:12,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:37:12,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236626936] [2022-11-22 02:37:12,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:37:12,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:37:12,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:37:13,760 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-22 02:37:13,760 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:37:13,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236626936] [2022-11-22 02:37:13,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236626936] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:37:13,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:37:13,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 02:37:13,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964692100] [2022-11-22 02:37:13,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:37:13,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 02:37:13,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:37:13,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 02:37:13,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:37:13,764 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) [2022-11-22 02:37:19,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:37:19,170 INFO L93 Difference]: Finished difference Result 5387 states and 7785 transitions. [2022-11-22 02:37:19,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-22 02:37:19,171 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 [2022-11-22 02:37:19,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:37:19,199 INFO L225 Difference]: With dead ends: 5387 [2022-11-22 02:37:19,199 INFO L226 Difference]: Without dead ends: 5385 [2022-11-22 02:37:19,204 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 [2022-11-22 02:37:19,205 INFO L413 NwaCegarLoop]: 2896 mSDtfsCounter, 2435 mSDsluCounter, 8905 mSDsCounter, 0 mSdLazyCounter, 2651 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s 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, 4.7s IncrementalHoareTripleChecker+Time [2022-11-22 02:37:19,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2439 Valid, 11801 Invalid, 2655 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 2651 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-11-22 02:37:19,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5385 states. [2022-11-22 02:37:19,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5385 to 5365. [2022-11-22 02:37:19,684 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) [2022-11-22 02:37:19,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5365 states to 5365 states and 7764 transitions. [2022-11-22 02:37:19,715 INFO L78 Accepts]: Start accepts. Automaton has 5365 states and 7764 transitions. Word has length 96 [2022-11-22 02:37:19,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:37:19,719 INFO L495 AbstractCegarLoop]: Abstraction has 5365 states and 7764 transitions. [2022-11-22 02:37:19,720 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) [2022-11-22 02:37:19,720 INFO L276 IsEmpty]: Start isEmpty. Operand 5365 states and 7764 transitions. [2022-11-22 02:37:19,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-22 02:37:19,721 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:37:19,722 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] [2022-11-22 02:37:19,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-22 02:37:19,722 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)] === [2022-11-22 02:37:19,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:37:19,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1101892944, now seen corresponding path program 1 times [2022-11-22 02:37:19,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:37:19,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873567752] [2022-11-22 02:37:19,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:37:19,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:37:19,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:37:20,035 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-22 02:37:20,036 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:37:20,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873567752] [2022-11-22 02:37:20,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873567752] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:37:20,036 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:37:20,036 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:37:20,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580006078] [2022-11-22 02:37:20,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:37:20,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:37:20,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:37:20,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:37:20,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:37:20,039 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) [2022-11-22 02:37:21,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:37:21,626 INFO L93 Difference]: Finished difference Result 10706 states and 15499 transitions. [2022-11-22 02:37:21,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:37:21,627 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 [2022-11-22 02:37:21,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:37:21,662 INFO L225 Difference]: With dead ends: 10706 [2022-11-22 02:37:21,663 INFO L226 Difference]: Without dead ends: 5359 [2022-11-22 02:37:21,702 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 [2022-11-22 02:37:21,703 INFO L413 NwaCegarLoop]: 2517 mSDtfsCounter, 2819 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.9s IncrementalHoareTripleChecker+Time [2022-11-22 02:37:21,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2819 Valid, 2517 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-22 02:37:21,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5359 states. [2022-11-22 02:37:22,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5359 to 5359. [2022-11-22 02:37:22,186 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) [2022-11-22 02:37:22,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5359 states to 5359 states and 7755 transitions. [2022-11-22 02:37:22,217 INFO L78 Accepts]: Start accepts. Automaton has 5359 states and 7755 transitions. Word has length 88 [2022-11-22 02:37:22,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:37:22,217 INFO L495 AbstractCegarLoop]: Abstraction has 5359 states and 7755 transitions. [2022-11-22 02:37:22,217 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) [2022-11-22 02:37:22,218 INFO L276 IsEmpty]: Start isEmpty. Operand 5359 states and 7755 transitions. [2022-11-22 02:37:22,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-22 02:37:22,220 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:37:22,220 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] [2022-11-22 02:37:22,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-22 02:37:22,221 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)] === [2022-11-22 02:37:22,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:37:22,221 INFO L85 PathProgramCache]: Analyzing trace with hash -562473538, now seen corresponding path program 1 times [2022-11-22 02:37:22,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:37:22,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109539244] [2022-11-22 02:37:22,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:37:22,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:37:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:37:22,519 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-22 02:37:22,519 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:37:22,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109539244] [2022-11-22 02:37:22,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109539244] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:37:22,520 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:37:22,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:37:22,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887910450] [2022-11-22 02:37:22,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:37:22,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:37:22,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:37:22,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:37:22,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:37:22,522 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) [2022-11-22 02:37:23,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:37:23,832 INFO L93 Difference]: Finished difference Result 10690 states and 15677 transitions. [2022-11-22 02:37:23,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:37:23,833 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 [2022-11-22 02:37:23,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:37:23,860 INFO L225 Difference]: With dead ends: 10690 [2022-11-22 02:37:23,861 INFO L226 Difference]: Without dead ends: 5349 [2022-11-22 02:37:23,892 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 [2022-11-22 02:37:23,892 INFO L413 NwaCegarLoop]: 2512 mSDtfsCounter, 2791 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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 [2022-11-22 02:37:23,893 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] [2022-11-22 02:37:23,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5349 states. [2022-11-22 02:37:24,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5349 to 5349. [2022-11-22 02:37:24,397 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) [2022-11-22 02:37:24,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5349 states to 5349 states and 7738 transitions. [2022-11-22 02:37:24,428 INFO L78 Accepts]: Start accepts. Automaton has 5349 states and 7738 transitions. Word has length 99 [2022-11-22 02:37:24,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:37:24,429 INFO L495 AbstractCegarLoop]: Abstraction has 5349 states and 7738 transitions. [2022-11-22 02:37:24,429 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) [2022-11-22 02:37:24,430 INFO L276 IsEmpty]: Start isEmpty. Operand 5349 states and 7738 transitions. [2022-11-22 02:37:24,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-22 02:37:24,431 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:37:24,433 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] [2022-11-22 02:37:24,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-22 02:37:24,434 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)] === [2022-11-22 02:37:24,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:37:24,434 INFO L85 PathProgramCache]: Analyzing trace with hash 680070178, now seen corresponding path program 1 times [2022-11-22 02:37:24,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:37:24,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043073369] [2022-11-22 02:37:24,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:37:24,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:37:24,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:37:24,821 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:37:24,821 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:37:24,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043073369] [2022-11-22 02:37:24,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043073369] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:37:24,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:37:24,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:37:24,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75231640] [2022-11-22 02:37:24,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:37:24,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:37:24,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:37:24,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:37:24,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:37:24,823 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) [2022-11-22 02:37:26,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:37:26,507 INFO L93 Difference]: Finished difference Result 5349 states and 7738 transitions. [2022-11-22 02:37:26,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:37:26,508 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 [2022-11-22 02:37:26,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:37:26,534 INFO L225 Difference]: With dead ends: 5349 [2022-11-22 02:37:26,535 INFO L226 Difference]: Without dead ends: 5347 [2022-11-22 02:37:26,539 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:37:26,540 INFO L413 NwaCegarLoop]: 2509 mSDtfsCounter, 2797 mSDsluCounter, 2505 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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 [2022-11-22 02:37:26,540 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] [2022-11-22 02:37:26,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5347 states. [2022-11-22 02:37:27,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5347 to 5347. [2022-11-22 02:37:27,074 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) [2022-11-22 02:37:27,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5347 states to 5347 states and 7736 transitions. [2022-11-22 02:37:27,105 INFO L78 Accepts]: Start accepts. Automaton has 5347 states and 7736 transitions. Word has length 84 [2022-11-22 02:37:27,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:37:27,106 INFO L495 AbstractCegarLoop]: Abstraction has 5347 states and 7736 transitions. [2022-11-22 02:37:27,106 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) [2022-11-22 02:37:27,106 INFO L276 IsEmpty]: Start isEmpty. Operand 5347 states and 7736 transitions. [2022-11-22 02:37:27,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-22 02:37:27,108 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:37:27,109 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] [2022-11-22 02:37:27,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-22 02:37:27,109 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)] === [2022-11-22 02:37:27,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:37:27,110 INFO L85 PathProgramCache]: Analyzing trace with hash 746891513, now seen corresponding path program 1 times [2022-11-22 02:37:27,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:37:27,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963270780] [2022-11-22 02:37:27,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:37:27,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:37:27,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:37:27,867 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-11-22 02:37:27,868 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:37:27,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963270780] [2022-11-22 02:37:27,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963270780] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:37:27,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:37:27,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:37:27,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175367693] [2022-11-22 02:37:27,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:37:27,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:37:27,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:37:27,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:37:27,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:37:27,870 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) [2022-11-22 02:37:30,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:37:30,498 INFO L93 Difference]: Finished difference Result 7926 states and 11352 transitions. [2022-11-22 02:37:30,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 02:37:30,499 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 [2022-11-22 02:37:30,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:37:30,536 INFO L225 Difference]: With dead ends: 7926 [2022-11-22 02:37:30,537 INFO L226 Difference]: Without dead ends: 7924 [2022-11-22 02:37:30,544 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 [2022-11-22 02:37:30,544 INFO L413 NwaCegarLoop]: 3017 mSDtfsCounter, 1950 mSDsluCounter, 7679 mSDsCounter, 0 mSdLazyCounter, 1203 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 2.0s IncrementalHoareTripleChecker+Time [2022-11-22 02:37:30,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1951 Valid, 10696 Invalid, 1205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1203 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-22 02:37:30,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7924 states. [2022-11-22 02:37:31,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7924 to 7896. [2022-11-22 02:37:31,617 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) [2022-11-22 02:37:31,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7896 states to 7896 states and 11317 transitions. [2022-11-22 02:37:31,663 INFO L78 Accepts]: Start accepts. Automaton has 7896 states and 11317 transitions. Word has length 94 [2022-11-22 02:37:31,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:37:31,663 INFO L495 AbstractCegarLoop]: Abstraction has 7896 states and 11317 transitions. [2022-11-22 02:37:31,663 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) [2022-11-22 02:37:31,664 INFO L276 IsEmpty]: Start isEmpty. Operand 7896 states and 11317 transitions. [2022-11-22 02:37:31,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-22 02:37:31,665 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:37:31,666 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] [2022-11-22 02:37:31,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-22 02:37:31,666 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)] === [2022-11-22 02:37:31,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:37:31,667 INFO L85 PathProgramCache]: Analyzing trace with hash 712572581, now seen corresponding path program 1 times [2022-11-22 02:37:31,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:37:31,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118285838] [2022-11-22 02:37:31,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:37:31,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:37:31,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:37:32,051 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:37:32,051 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:37:32,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118285838] [2022-11-22 02:37:32,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118285838] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:37:32,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:37:32,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:37:32,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560010131] [2022-11-22 02:37:32,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:37:32,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:37:32,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:37:32,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:37:32,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:37:32,054 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) [2022-11-22 02:37:33,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:37:33,936 INFO L93 Difference]: Finished difference Result 7896 states and 11317 transitions. [2022-11-22 02:37:33,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:37:33,937 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 [2022-11-22 02:37:33,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:37:33,966 INFO L225 Difference]: With dead ends: 7896 [2022-11-22 02:37:33,966 INFO L226 Difference]: Without dead ends: 7894 [2022-11-22 02:37:33,970 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 [2022-11-22 02:37:33,971 INFO L413 NwaCegarLoop]: 2507 mSDtfsCounter, 2789 mSDsluCounter, 2507 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:37:33,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2791 Valid, 5014 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-22 02:37:33,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7894 states. [2022-11-22 02:37:34,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7894 to 7894. [2022-11-22 02:37:34,724 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) [2022-11-22 02:37:34,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7894 states to 7894 states and 11315 transitions. [2022-11-22 02:37:34,776 INFO L78 Accepts]: Start accepts. Automaton has 7894 states and 11315 transitions. Word has length 86 [2022-11-22 02:37:34,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:37:34,777 INFO L495 AbstractCegarLoop]: Abstraction has 7894 states and 11315 transitions. [2022-11-22 02:37:34,777 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) [2022-11-22 02:37:34,778 INFO L276 IsEmpty]: Start isEmpty. Operand 7894 states and 11315 transitions. [2022-11-22 02:37:34,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-22 02:37:34,780 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:37:34,780 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] [2022-11-22 02:37:34,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-22 02:37:34,781 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)] === [2022-11-22 02:37:34,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:37:34,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1615593912, now seen corresponding path program 1 times [2022-11-22 02:37:34,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:37:34,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257568767] [2022-11-22 02:37:34,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:37:34,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:37:34,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:37:35,227 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-11-22 02:37:35,228 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:37:35,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257568767] [2022-11-22 02:37:35,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257568767] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:37:35,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1825560237] [2022-11-22 02:37:35,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:37:35,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:37:35,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:37:35,235 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:37:35,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 02:37:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:37:36,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 2980 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-22 02:37:36,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:37:36,491 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-22 02:37:36,491 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:37:36,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1825560237] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:37:36,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 02:37:36,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2022-11-22 02:37:36,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741402850] [2022-11-22 02:37:36,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:37:36,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:37:36,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:37:36,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:37:36,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-22 02:37:36,496 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) [2022-11-22 02:37:38,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:37:38,313 INFO L93 Difference]: Finished difference Result 15764 states and 22601 transitions. [2022-11-22 02:37:38,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:37:38,314 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 [2022-11-22 02:37:38,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:37:38,352 INFO L225 Difference]: With dead ends: 15764 [2022-11-22 02:37:38,353 INFO L226 Difference]: Without dead ends: 7888 [2022-11-22 02:37:38,398 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 [2022-11-22 02:37:38,399 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 [2022-11-22 02:37:38,399 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] [2022-11-22 02:37:38,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7888 states. [2022-11-22 02:37:39,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7888 to 7888. [2022-11-22 02:37:39,225 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) [2022-11-22 02:37:39,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7888 states to 7888 states and 11306 transitions. [2022-11-22 02:37:39,272 INFO L78 Accepts]: Start accepts. Automaton has 7888 states and 11306 transitions. Word has length 96 [2022-11-22 02:37:39,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:37:39,272 INFO L495 AbstractCegarLoop]: Abstraction has 7888 states and 11306 transitions. [2022-11-22 02:37:39,273 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) [2022-11-22 02:37:39,273 INFO L276 IsEmpty]: Start isEmpty. Operand 7888 states and 11306 transitions. [2022-11-22 02:37:39,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-22 02:37:39,275 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:37:39,275 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] [2022-11-22 02:37:39,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-22 02:37:39,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:37:39,487 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)] === [2022-11-22 02:37:39,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:37:39,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1042895295, now seen corresponding path program 1 times [2022-11-22 02:37:39,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:37:39,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146420050] [2022-11-22 02:37:39,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:37:39,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:37:39,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:37:39,892 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:37:39,892 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:37:39,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146420050] [2022-11-22 02:37:39,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146420050] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:37:39,894 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:37:39,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:37:39,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336636891] [2022-11-22 02:37:39,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:37:39,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:37:39,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:37:39,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:37:39,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:37:39,899 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) [2022-11-22 02:37:41,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:37:41,727 INFO L93 Difference]: Finished difference Result 7888 states and 11306 transitions. [2022-11-22 02:37:41,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:37:41,728 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 [2022-11-22 02:37:41,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:37:41,756 INFO L225 Difference]: With dead ends: 7888 [2022-11-22 02:37:41,756 INFO L226 Difference]: Without dead ends: 7886 [2022-11-22 02:37:41,760 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 [2022-11-22 02:37:41,761 INFO L413 NwaCegarLoop]: 2500 mSDtfsCounter, 2783 mSDsluCounter, 2500 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.0s IncrementalHoareTripleChecker+Time [2022-11-22 02:37:41,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2785 Valid, 5000 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-22 02:37:41,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7886 states. [2022-11-22 02:37:42,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7886 to 7886. [2022-11-22 02:37:42,704 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) [2022-11-22 02:37:42,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7886 states to 7886 states and 11304 transitions. [2022-11-22 02:37:42,742 INFO L78 Accepts]: Start accepts. Automaton has 7886 states and 11304 transitions. Word has length 91 [2022-11-22 02:37:42,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:37:42,742 INFO L495 AbstractCegarLoop]: Abstraction has 7886 states and 11304 transitions. [2022-11-22 02:37:42,742 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) [2022-11-22 02:37:42,743 INFO L276 IsEmpty]: Start isEmpty. Operand 7886 states and 11304 transitions. [2022-11-22 02:37:42,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-22 02:37:42,745 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:37:42,745 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] [2022-11-22 02:37:42,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-22 02:37:42,746 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)] === [2022-11-22 02:37:42,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:37:42,746 INFO L85 PathProgramCache]: Analyzing trace with hash -220207276, now seen corresponding path program 1 times [2022-11-22 02:37:42,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:37:42,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280433791] [2022-11-22 02:37:42,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:37:42,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:37:42,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:37:45,469 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-22 02:37:45,469 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:37:45,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280433791] [2022-11-22 02:37:45,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280433791] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:37:45,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389557524] [2022-11-22 02:37:45,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:37:45,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:37:45,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:37:45,475 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:37:45,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-22 02:37:46,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:37:46,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 3155 conjuncts, 60 conjunts are in the unsatisfiable core [2022-11-22 02:37:46,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:37:46,787 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-22 02:37:46,787 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:37:46,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [389557524] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:37:46,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 02:37:46,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [12] total 15 [2022-11-22 02:37:46,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464291813] [2022-11-22 02:37:46,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:37:46,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-22 02:37:46,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:37:46,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-22 02:37:46,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-11-22 02:37:46,790 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) [2022-11-22 02:37:52,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:37:52,590 INFO L93 Difference]: Finished difference Result 12917 states and 18352 transitions. [2022-11-22 02:37:52,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-22 02:37:52,590 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 [2022-11-22 02:37:52,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:37:52,621 INFO L225 Difference]: With dead ends: 12917 [2022-11-22 02:37:52,622 INFO L226 Difference]: Without dead ends: 7933 [2022-11-22 02:37:52,646 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 [2022-11-22 02:37:52,647 INFO L413 NwaCegarLoop]: 2492 mSDtfsCounter, 25 mSDsluCounter, 22227 mSDsCounter, 0 mSdLazyCounter, 3543 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s 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, 4.6s IncrementalHoareTripleChecker+Time [2022-11-22 02:37:52,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 24719 Invalid, 3637 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [94 Valid, 3543 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-11-22 02:37:52,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7933 states. [2022-11-22 02:37:53,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7933 to 7904. [2022-11-22 02:37:53,693 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) [2022-11-22 02:37:53,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7904 states to 7904 states and 11330 transitions. [2022-11-22 02:37:53,743 INFO L78 Accepts]: Start accepts. Automaton has 7904 states and 11330 transitions. Word has length 104 [2022-11-22 02:37:53,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:37:53,744 INFO L495 AbstractCegarLoop]: Abstraction has 7904 states and 11330 transitions. [2022-11-22 02:37:53,744 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) [2022-11-22 02:37:53,744 INFO L276 IsEmpty]: Start isEmpty. Operand 7904 states and 11330 transitions. [2022-11-22 02:37:53,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-22 02:37:53,747 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:37:53,747 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] [2022-11-22 02:37:53,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-22 02:37:53,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-22 02:37:53,961 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)] === [2022-11-22 02:37:53,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:37:53,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1014196633, now seen corresponding path program 1 times [2022-11-22 02:37:53,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:37:53,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075177940] [2022-11-22 02:37:53,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:37:53,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:37:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:37:54,388 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:37:54,388 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:37:54,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075177940] [2022-11-22 02:37:54,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075177940] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:37:54,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:37:54,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:37:54,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444437639] [2022-11-22 02:37:54,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:37:54,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:37:54,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:37:54,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:37:54,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:37:54,392 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) [2022-11-22 02:37:56,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:37:56,463 INFO L93 Difference]: Finished difference Result 7904 states and 11330 transitions. [2022-11-22 02:37:56,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:37:56,463 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 [2022-11-22 02:37:56,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:37:56,490 INFO L225 Difference]: With dead ends: 7904 [2022-11-22 02:37:56,490 INFO L226 Difference]: Without dead ends: 7902 [2022-11-22 02:37:56,495 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 [2022-11-22 02:37:56,496 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, 1.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:37:56,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2782 Valid, 4996 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-22 02:37:56,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7902 states. [2022-11-22 02:37:57,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7902 to 7902. [2022-11-22 02:37:57,573 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) [2022-11-22 02:37:57,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7902 states to 7902 states and 11328 transitions. [2022-11-22 02:37:57,604 INFO L78 Accepts]: Start accepts. Automaton has 7902 states and 11328 transitions. Word has length 96 [2022-11-22 02:37:57,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:37:57,604 INFO L495 AbstractCegarLoop]: Abstraction has 7902 states and 11328 transitions. [2022-11-22 02:37:57,604 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) [2022-11-22 02:37:57,604 INFO L276 IsEmpty]: Start isEmpty. Operand 7902 states and 11328 transitions. [2022-11-22 02:37:57,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-22 02:37:57,607 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:37:57,607 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] [2022-11-22 02:37:57,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-22 02:37:57,608 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)] === [2022-11-22 02:37:57,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:37:57,608 INFO L85 PathProgramCache]: Analyzing trace with hash -2142719096, now seen corresponding path program 1 times [2022-11-22 02:37:57,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:37:57,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967350844] [2022-11-22 02:37:57,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:37:57,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:37:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:37:58,050 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:37:58,050 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:37:58,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967350844] [2022-11-22 02:37:58,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967350844] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:37:58,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:37:58,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:37:58,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881134799] [2022-11-22 02:37:58,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:37:58,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:37:58,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:37:58,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:37:58,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:37:58,053 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) [2022-11-22 02:38:00,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:38:00,022 INFO L93 Difference]: Finished difference Result 7902 states and 11328 transitions. [2022-11-22 02:38:00,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:38:00,023 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 [2022-11-22 02:38:00,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:38:00,049 INFO L225 Difference]: With dead ends: 7902 [2022-11-22 02:38:00,049 INFO L226 Difference]: Without dead ends: 7900 [2022-11-22 02:38:00,057 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 [2022-11-22 02:38:00,058 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 [2022-11-22 02:38:00,058 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] [2022-11-22 02:38:00,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7900 states. [2022-11-22 02:38:01,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7900 to 7900. [2022-11-22 02:38:01,106 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) [2022-11-22 02:38:01,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7900 states to 7900 states and 11326 transitions. [2022-11-22 02:38:01,152 INFO L78 Accepts]: Start accepts. Automaton has 7900 states and 11326 transitions. Word has length 101 [2022-11-22 02:38:01,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:38:01,153 INFO L495 AbstractCegarLoop]: Abstraction has 7900 states and 11326 transitions. [2022-11-22 02:38:01,153 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) [2022-11-22 02:38:01,153 INFO L276 IsEmpty]: Start isEmpty. Operand 7900 states and 11326 transitions. [2022-11-22 02:38:01,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-22 02:38:01,157 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:38:01,158 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] [2022-11-22 02:38:01,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-22 02:38:01,158 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)] === [2022-11-22 02:38:01,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:38:01,159 INFO L85 PathProgramCache]: Analyzing trace with hash -101821664, now seen corresponding path program 1 times [2022-11-22 02:38:01,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:38:01,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369733242] [2022-11-22 02:38:01,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:38:01,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:38:01,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:38:01,998 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-22 02:38:01,998 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:38:01,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369733242] [2022-11-22 02:38:01,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369733242] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:38:01,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [372239413] [2022-11-22 02:38:01,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:38:01,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:38:02,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:38:02,001 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:38:02,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-22 02:38:03,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:38:03,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 3255 conjuncts, 27 conjunts are in the unsatisfiable core [2022-11-22 02:38:03,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:38:03,269 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-22 02:38:03,269 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:38:03,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [372239413] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:38:03,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 02:38:03,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 7 [2022-11-22 02:38:03,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178522246] [2022-11-22 02:38:03,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:38:03,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-22 02:38:03,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:38:03,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-22 02:38:03,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-22 02:38:03,273 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) [2022-11-22 02:38:07,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:38:07,306 INFO L93 Difference]: Finished difference Result 13798 states and 19813 transitions. [2022-11-22 02:38:07,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-22 02:38:07,307 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 [2022-11-22 02:38:07,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:38:07,335 INFO L225 Difference]: With dead ends: 13798 [2022-11-22 02:38:07,335 INFO L226 Difference]: Without dead ends: 8497 [2022-11-22 02:38:07,353 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 [2022-11-22 02:38:07,354 INFO L413 NwaCegarLoop]: 2757 mSDtfsCounter, 219 mSDsluCounter, 13451 mSDsCounter, 0 mSdLazyCounter, 2196 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s 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, 2.7s IncrementalHoareTripleChecker+Time [2022-11-22 02:38:07,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 16208 Invalid, 2270 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [74 Valid, 2196 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-22 02:38:07,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8497 states. [2022-11-22 02:38:08,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8497 to 7902. [2022-11-22 02:38:08,153 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) [2022-11-22 02:38:08,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7902 states to 7902 states and 11328 transitions. [2022-11-22 02:38:08,187 INFO L78 Accepts]: Start accepts. Automaton has 7902 states and 11328 transitions. Word has length 116 [2022-11-22 02:38:08,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:38:08,187 INFO L495 AbstractCegarLoop]: Abstraction has 7902 states and 11328 transitions. [2022-11-22 02:38:08,187 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) [2022-11-22 02:38:08,187 INFO L276 IsEmpty]: Start isEmpty. Operand 7902 states and 11328 transitions. [2022-11-22 02:38:08,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-22 02:38:08,190 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:38:08,190 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] [2022-11-22 02:38:08,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-22 02:38:08,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:38:08,403 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)] === [2022-11-22 02:38:08,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:38:08,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1208336115, now seen corresponding path program 1 times [2022-11-22 02:38:08,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:38:08,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494684041] [2022-11-22 02:38:08,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:38:08,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:38:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:38:08,896 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:38:08,896 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:38:08,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494684041] [2022-11-22 02:38:08,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494684041] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:38:08,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:38:08,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:38:08,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963751431] [2022-11-22 02:38:08,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:38:08,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:38:08,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:38:08,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:38:08,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:38:08,900 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) [2022-11-22 02:38:11,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:38:11,052 INFO L93 Difference]: Finished difference Result 7902 states and 11328 transitions. [2022-11-22 02:38:11,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:38:11,052 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 [2022-11-22 02:38:11,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:38:11,090 INFO L225 Difference]: With dead ends: 7902 [2022-11-22 02:38:11,090 INFO L226 Difference]: Without dead ends: 7900 [2022-11-22 02:38:11,096 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 [2022-11-22 02:38:11,096 INFO L413 NwaCegarLoop]: 2494 mSDtfsCounter, 2774 mSDsluCounter, 2494 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:38:11,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2776 Valid, 4988 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-22 02:38:11,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7900 states. [2022-11-22 02:38:11,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7900 to 7900. [2022-11-22 02:38:11,924 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) [2022-11-22 02:38:11,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7900 states to 7900 states and 11326 transitions. [2022-11-22 02:38:11,955 INFO L78 Accepts]: Start accepts. Automaton has 7900 states and 11326 transitions. Word has length 106 [2022-11-22 02:38:11,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:38:11,955 INFO L495 AbstractCegarLoop]: Abstraction has 7900 states and 11326 transitions. [2022-11-22 02:38:11,955 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) [2022-11-22 02:38:11,956 INFO L276 IsEmpty]: Start isEmpty. Operand 7900 states and 11326 transitions. [2022-11-22 02:38:11,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-11-22 02:38:11,958 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:38:11,958 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] [2022-11-22 02:38:11,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-22 02:38:11,958 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)] === [2022-11-22 02:38:11,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:38:11,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1737125702, now seen corresponding path program 1 times [2022-11-22 02:38:11,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:38:11,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873561297] [2022-11-22 02:38:11,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:38:11,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:38:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:38:12,355 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:38:12,356 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:38:12,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873561297] [2022-11-22 02:38:12,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873561297] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:38:12,356 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:38:12,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:38:12,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296198313] [2022-11-22 02:38:12,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:38:12,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:38:12,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:38:12,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:38:12,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:38:12,358 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) [2022-11-22 02:38:14,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:38:14,367 INFO L93 Difference]: Finished difference Result 7900 states and 11326 transitions. [2022-11-22 02:38:14,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:38:14,368 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 [2022-11-22 02:38:14,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:38:14,398 INFO L225 Difference]: With dead ends: 7900 [2022-11-22 02:38:14,399 INFO L226 Difference]: Without dead ends: 7898 [2022-11-22 02:38:14,403 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 [2022-11-22 02:38:14,404 INFO L413 NwaCegarLoop]: 2492 mSDtfsCounter, 2771 mSDsluCounter, 2492 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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 [2022-11-22 02:38:14,404 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] [2022-11-22 02:38:14,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7898 states. [2022-11-22 02:38:15,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7898 to 7898. [2022-11-22 02:38:15,177 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) [2022-11-22 02:38:15,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7898 states to 7898 states and 11324 transitions. [2022-11-22 02:38:15,209 INFO L78 Accepts]: Start accepts. Automaton has 7898 states and 11324 transitions. Word has length 111 [2022-11-22 02:38:15,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:38:15,209 INFO L495 AbstractCegarLoop]: Abstraction has 7898 states and 11324 transitions. [2022-11-22 02:38:15,209 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) [2022-11-22 02:38:15,209 INFO L276 IsEmpty]: Start isEmpty. Operand 7898 states and 11324 transitions. [2022-11-22 02:38:15,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-22 02:38:15,211 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:38:15,212 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] [2022-11-22 02:38:15,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-22 02:38:15,212 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)] === [2022-11-22 02:38:15,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:38:15,213 INFO L85 PathProgramCache]: Analyzing trace with hash -825235145, now seen corresponding path program 1 times [2022-11-22 02:38:15,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:38:15,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936404660] [2022-11-22 02:38:15,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:38:15,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:38:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:38:15,683 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:38:15,683 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:38:15,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936404660] [2022-11-22 02:38:15,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936404660] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:38:15,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:38:15,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:38:15,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115292047] [2022-11-22 02:38:15,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:38:15,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:38:15,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:38:15,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:38:15,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:38:15,686 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) [2022-11-22 02:38:18,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:38:18,163 INFO L93 Difference]: Finished difference Result 7898 states and 11324 transitions. [2022-11-22 02:38:18,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:38:18,164 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 [2022-11-22 02:38:18,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:38:18,190 INFO L225 Difference]: With dead ends: 7898 [2022-11-22 02:38:18,190 INFO L226 Difference]: Without dead ends: 7896 [2022-11-22 02:38:18,195 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 [2022-11-22 02:38:18,196 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, 1.3s IncrementalHoareTripleChecker+Time [2022-11-22 02:38:18,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2770 Valid, 4980 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-22 02:38:18,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7896 states. [2022-11-22 02:38:19,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7896 to 7896. [2022-11-22 02:38:19,092 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) [2022-11-22 02:38:19,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7896 states to 7896 states and 11322 transitions. [2022-11-22 02:38:19,122 INFO L78 Accepts]: Start accepts. Automaton has 7896 states and 11322 transitions. Word has length 116 [2022-11-22 02:38:19,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:38:19,122 INFO L495 AbstractCegarLoop]: Abstraction has 7896 states and 11322 transitions. [2022-11-22 02:38:19,122 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) [2022-11-22 02:38:19,123 INFO L276 IsEmpty]: Start isEmpty. Operand 7896 states and 11322 transitions. [2022-11-22 02:38:19,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-22 02:38:19,124 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:38:19,124 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] [2022-11-22 02:38:19,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-22 02:38:19,125 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)] === [2022-11-22 02:38:19,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:38:19,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1137985221, now seen corresponding path program 1 times [2022-11-22 02:38:19,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:38:19,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851758287] [2022-11-22 02:38:19,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:38:19,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:38:19,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:38:19,993 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:38:19,993 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:38:19,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851758287] [2022-11-22 02:38:19,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851758287] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:38:19,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:38:19,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:38:19,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773606166] [2022-11-22 02:38:19,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:38:19,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:38:19,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:38:19,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:38:19,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:38:19,996 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) [2022-11-22 02:38:22,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:38:22,417 INFO L93 Difference]: Finished difference Result 7896 states and 11322 transitions. [2022-11-22 02:38:22,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:38:22,418 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 [2022-11-22 02:38:22,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:38:22,436 INFO L225 Difference]: With dead ends: 7896 [2022-11-22 02:38:22,437 INFO L226 Difference]: Without dead ends: 7894 [2022-11-22 02:38:22,439 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 [2022-11-22 02:38:22,439 INFO L413 NwaCegarLoop]: 2488 mSDtfsCounter, 2765 mSDsluCounter, 2488 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:38:22,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2767 Valid, 4976 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-22 02:38:22,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7894 states. [2022-11-22 02:38:23,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7894 to 7894. [2022-11-22 02:38:23,254 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) [2022-11-22 02:38:23,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7894 states to 7894 states and 11320 transitions. [2022-11-22 02:38:23,288 INFO L78 Accepts]: Start accepts. Automaton has 7894 states and 11320 transitions. Word has length 121 [2022-11-22 02:38:23,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:38:23,289 INFO L495 AbstractCegarLoop]: Abstraction has 7894 states and 11320 transitions. [2022-11-22 02:38:23,289 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) [2022-11-22 02:38:23,289 INFO L276 IsEmpty]: Start isEmpty. Operand 7894 states and 11320 transitions. [2022-11-22 02:38:23,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-11-22 02:38:23,291 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:38:23,292 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] [2022-11-22 02:38:23,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-22 02:38:23,292 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)] === [2022-11-22 02:38:23,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:38:23,293 INFO L85 PathProgramCache]: Analyzing trace with hash 704443321, now seen corresponding path program 1 times [2022-11-22 02:38:23,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:38:23,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290315169] [2022-11-22 02:38:23,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:38:23,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:38:23,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:38:23,758 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-11-22 02:38:23,759 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:38:23,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290315169] [2022-11-22 02:38:23,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290315169] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:38:23,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:38:23,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:38:23,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188569682] [2022-11-22 02:38:23,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:38:23,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:38:23,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:38:23,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:38:23,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:38:23,764 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) [2022-11-22 02:38:26,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:38:26,608 INFO L93 Difference]: Finished difference Result 15852 states and 23052 transitions. [2022-11-22 02:38:26,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:38:26,609 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 [2022-11-22 02:38:26,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:38:26,640 INFO L225 Difference]: With dead ends: 15852 [2022-11-22 02:38:26,640 INFO L226 Difference]: Without dead ends: 7978 [2022-11-22 02:38:26,678 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 [2022-11-22 02:38:26,679 INFO L413 NwaCegarLoop]: 2501 mSDtfsCounter, 16 mSDsluCounter, 4977 mSDsCounter, 0 mSdLazyCounter, 956 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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 [2022-11-22 02:38:26,680 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] [2022-11-22 02:38:26,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7978 states. [2022-11-22 02:38:27,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7978 to 7882. [2022-11-22 02:38:27,639 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) [2022-11-22 02:38:27,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7882 states to 7882 states and 11288 transitions. [2022-11-22 02:38:27,674 INFO L78 Accepts]: Start accepts. Automaton has 7882 states and 11288 transitions. Word has length 137 [2022-11-22 02:38:27,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:38:27,675 INFO L495 AbstractCegarLoop]: Abstraction has 7882 states and 11288 transitions. [2022-11-22 02:38:27,675 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) [2022-11-22 02:38:27,675 INFO L276 IsEmpty]: Start isEmpty. Operand 7882 states and 11288 transitions. [2022-11-22 02:38:27,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-11-22 02:38:27,677 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:38:27,678 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] [2022-11-22 02:38:27,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-22 02:38:27,678 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)] === [2022-11-22 02:38:27,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:38:27,678 INFO L85 PathProgramCache]: Analyzing trace with hash 309808604, now seen corresponding path program 1 times [2022-11-22 02:38:27,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:38:27,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76544336] [2022-11-22 02:38:27,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:38:27,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:38:27,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:38:28,089 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-11-22 02:38:28,089 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:38:28,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76544336] [2022-11-22 02:38:28,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76544336] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:38:28,090 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:38:28,090 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:38:28,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595849381] [2022-11-22 02:38:28,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:38:28,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:38:28,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:38:28,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:38:28,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:38:28,092 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) [2022-11-22 02:38:31,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:38:31,385 INFO L93 Difference]: Finished difference Result 15840 states and 23020 transitions. [2022-11-22 02:38:31,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:38:31,385 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 [2022-11-22 02:38:31,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:38:31,410 INFO L225 Difference]: With dead ends: 15840 [2022-11-22 02:38:31,410 INFO L226 Difference]: Without dead ends: 7978 [2022-11-22 02:38:31,429 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 [2022-11-22 02:38:31,429 INFO L413 NwaCegarLoop]: 2501 mSDtfsCounter, 15 mSDsluCounter, 4980 mSDsCounter, 0 mSdLazyCounter, 951 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 1.8s IncrementalHoareTripleChecker+Time [2022-11-22 02:38:31,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 7481 Invalid, 953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 951 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-22 02:38:31,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7978 states. [2022-11-22 02:38:32,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7978 to 7886. [2022-11-22 02:38:32,519 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) [2022-11-22 02:38:32,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7886 states to 7886 states and 11300 transitions. [2022-11-22 02:38:32,556 INFO L78 Accepts]: Start accepts. Automaton has 7886 states and 11300 transitions. Word has length 137 [2022-11-22 02:38:32,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:38:32,557 INFO L495 AbstractCegarLoop]: Abstraction has 7886 states and 11300 transitions. [2022-11-22 02:38:32,557 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) [2022-11-22 02:38:32,558 INFO L276 IsEmpty]: Start isEmpty. Operand 7886 states and 11300 transitions. [2022-11-22 02:38:32,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-22 02:38:32,560 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:38:32,560 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] [2022-11-22 02:38:32,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-22 02:38:32,561 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)] === [2022-11-22 02:38:32,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:38:32,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1379821851, now seen corresponding path program 1 times [2022-11-22 02:38:32,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:38:32,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548952104] [2022-11-22 02:38:32,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:38:32,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:38:32,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:38:32,974 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:38:32,975 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:38:32,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548952104] [2022-11-22 02:38:32,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548952104] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:38:32,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:38:32,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:38:32,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289124353] [2022-11-22 02:38:32,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:38:32,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:38:32,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:38:32,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:38:32,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:38:32,977 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) [2022-11-22 02:38:35,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:38:35,510 INFO L93 Difference]: Finished difference Result 7886 states and 11300 transitions. [2022-11-22 02:38:35,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:38:35,511 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 [2022-11-22 02:38:35,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:38:35,538 INFO L225 Difference]: With dead ends: 7886 [2022-11-22 02:38:35,539 INFO L226 Difference]: Without dead ends: 7884 [2022-11-22 02:38:35,544 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 [2022-11-22 02:38:35,544 INFO L413 NwaCegarLoop]: 2486 mSDtfsCounter, 2762 mSDsluCounter, 2486 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.3s IncrementalHoareTripleChecker+Time [2022-11-22 02:38:35,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2764 Valid, 4972 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-22 02:38:35,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7884 states. [2022-11-22 02:38:36,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7884 to 7884. [2022-11-22 02:38:36,797 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) [2022-11-22 02:38:36,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7884 states to 7884 states and 11298 transitions. [2022-11-22 02:38:36,831 INFO L78 Accepts]: Start accepts. Automaton has 7884 states and 11298 transitions. Word has length 126 [2022-11-22 02:38:36,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:38:36,831 INFO L495 AbstractCegarLoop]: Abstraction has 7884 states and 11298 transitions. [2022-11-22 02:38:36,831 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) [2022-11-22 02:38:36,831 INFO L276 IsEmpty]: Start isEmpty. Operand 7884 states and 11298 transitions. [2022-11-22 02:38:36,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-22 02:38:36,833 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:38:36,833 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] [2022-11-22 02:38:36,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-22 02:38:36,833 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)] === [2022-11-22 02:38:36,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:38:36,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1674893092, now seen corresponding path program 1 times [2022-11-22 02:38:36,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:38:36,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809311923] [2022-11-22 02:38:36,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:38:36,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:38:36,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:38:37,242 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:38:37,242 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:38:37,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809311923] [2022-11-22 02:38:37,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809311923] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:38:37,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:38:37,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:38:37,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296606765] [2022-11-22 02:38:37,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:38:37,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:38:37,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:38:37,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:38:37,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:38:37,245 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) [2022-11-22 02:38:39,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:38:39,728 INFO L93 Difference]: Finished difference Result 7884 states and 11298 transitions. [2022-11-22 02:38:39,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:38:39,729 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 [2022-11-22 02:38:39,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:38:39,751 INFO L225 Difference]: With dead ends: 7884 [2022-11-22 02:38:39,751 INFO L226 Difference]: Without dead ends: 7882 [2022-11-22 02:38:39,754 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 [2022-11-22 02:38:39,755 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 [2022-11-22 02:38:39,755 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] [2022-11-22 02:38:39,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7882 states. [2022-11-22 02:38:40,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7882 to 7882. [2022-11-22 02:38:40,648 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) [2022-11-22 02:38:40,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7882 states to 7882 states and 11296 transitions. [2022-11-22 02:38:40,680 INFO L78 Accepts]: Start accepts. Automaton has 7882 states and 11296 transitions. Word has length 131 [2022-11-22 02:38:40,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:38:40,680 INFO L495 AbstractCegarLoop]: Abstraction has 7882 states and 11296 transitions. [2022-11-22 02:38:40,680 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) [2022-11-22 02:38:40,680 INFO L276 IsEmpty]: Start isEmpty. Operand 7882 states and 11296 transitions. [2022-11-22 02:38:40,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-11-22 02:38:40,682 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:38:40,683 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:38:40,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-22 02:38:40,683 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)] === [2022-11-22 02:38:40,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:38:40,684 INFO L85 PathProgramCache]: Analyzing trace with hash -22132366, now seen corresponding path program 1 times [2022-11-22 02:38:40,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:38:40,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837153684] [2022-11-22 02:38:40,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:38:40,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:38:40,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:38:41,075 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:38:41,075 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:38:41,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837153684] [2022-11-22 02:38:41,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837153684] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:38:41,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:38:41,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:38:41,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816456160] [2022-11-22 02:38:41,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:38:41,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:38:41,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:38:41,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:38:41,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:38:41,078 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) [2022-11-22 02:38:43,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:38:43,393 INFO L93 Difference]: Finished difference Result 7882 states and 11296 transitions. [2022-11-22 02:38:43,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:38:43,394 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 [2022-11-22 02:38:43,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:38:43,420 INFO L225 Difference]: With dead ends: 7882 [2022-11-22 02:38:43,420 INFO L226 Difference]: Without dead ends: 7880 [2022-11-22 02:38:43,425 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 [2022-11-22 02:38:43,425 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, 1.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:38:43,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2758 Valid, 4964 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-22 02:38:43,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7880 states. [2022-11-22 02:38:44,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7880 to 7880. [2022-11-22 02:38:44,447 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) [2022-11-22 02:38:44,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7880 states to 7880 states and 11294 transitions. [2022-11-22 02:38:44,479 INFO L78 Accepts]: Start accepts. Automaton has 7880 states and 11294 transitions. Word has length 136 [2022-11-22 02:38:44,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:38:44,480 INFO L495 AbstractCegarLoop]: Abstraction has 7880 states and 11294 transitions. [2022-11-22 02:38:44,480 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) [2022-11-22 02:38:44,480 INFO L276 IsEmpty]: Start isEmpty. Operand 7880 states and 11294 transitions. [2022-11-22 02:38:44,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-11-22 02:38:44,482 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:38:44,482 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] [2022-11-22 02:38:44,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-22 02:38:44,482 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)] === [2022-11-22 02:38:44,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:38:44,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1584187971, now seen corresponding path program 1 times [2022-11-22 02:38:44,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:38:44,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632593315] [2022-11-22 02:38:44,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:38:44,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:38:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:38:44,900 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:38:44,900 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:38:44,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632593315] [2022-11-22 02:38:44,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632593315] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:38:44,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:38:44,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:38:44,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682543506] [2022-11-22 02:38:44,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:38:44,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:38:44,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:38:44,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:38:44,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:38:44,903 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) [2022-11-22 02:38:47,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:38:47,173 INFO L93 Difference]: Finished difference Result 7880 states and 11294 transitions. [2022-11-22 02:38:47,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:38:47,173 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 [2022-11-22 02:38:47,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:38:47,201 INFO L225 Difference]: With dead ends: 7880 [2022-11-22 02:38:47,201 INFO L226 Difference]: Without dead ends: 7878 [2022-11-22 02:38:47,207 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 [2022-11-22 02:38:47,210 INFO L413 NwaCegarLoop]: 2480 mSDtfsCounter, 2753 mSDsluCounter, 2480 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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 [2022-11-22 02:38:47,210 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] [2022-11-22 02:38:47,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7878 states. [2022-11-22 02:38:48,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7878 to 7878. [2022-11-22 02:38:48,252 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) [2022-11-22 02:38:48,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7878 states to 7878 states and 11292 transitions. [2022-11-22 02:38:48,283 INFO L78 Accepts]: Start accepts. Automaton has 7878 states and 11292 transitions. Word has length 141 [2022-11-22 02:38:48,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:38:48,283 INFO L495 AbstractCegarLoop]: Abstraction has 7878 states and 11292 transitions. [2022-11-22 02:38:48,283 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) [2022-11-22 02:38:48,283 INFO L276 IsEmpty]: Start isEmpty. Operand 7878 states and 11292 transitions. [2022-11-22 02:38:48,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-11-22 02:38:48,286 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:38:48,286 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] [2022-11-22 02:38:48,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-22 02:38:48,287 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)] === [2022-11-22 02:38:48,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:38:48,288 INFO L85 PathProgramCache]: Analyzing trace with hash 76609583, now seen corresponding path program 1 times [2022-11-22 02:38:48,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:38:48,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384506698] [2022-11-22 02:38:48,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:38:48,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:38:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:38:48,661 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:38:48,661 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:38:48,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384506698] [2022-11-22 02:38:48,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384506698] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:38:48,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:38:48,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:38:48,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284090157] [2022-11-22 02:38:48,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:38:48,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:38:48,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:38:48,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:38:48,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:38:48,664 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) [2022-11-22 02:38:50,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:38:50,950 INFO L93 Difference]: Finished difference Result 7878 states and 11292 transitions. [2022-11-22 02:38:50,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:38:50,950 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 [2022-11-22 02:38:50,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:38:50,975 INFO L225 Difference]: With dead ends: 7878 [2022-11-22 02:38:50,975 INFO L226 Difference]: Without dead ends: 7736 [2022-11-22 02:38:50,980 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 [2022-11-22 02:38:50,980 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 [2022-11-22 02:38:50,981 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] [2022-11-22 02:38:50,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7736 states. [2022-11-22 02:38:52,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7736 to 7736. [2022-11-22 02:38:52,035 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) [2022-11-22 02:38:52,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7736 states to 7736 states and 11118 transitions. [2022-11-22 02:38:52,065 INFO L78 Accepts]: Start accepts. Automaton has 7736 states and 11118 transitions. Word has length 146 [2022-11-22 02:38:52,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:38:52,065 INFO L495 AbstractCegarLoop]: Abstraction has 7736 states and 11118 transitions. [2022-11-22 02:38:52,065 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) [2022-11-22 02:38:52,065 INFO L276 IsEmpty]: Start isEmpty. Operand 7736 states and 11118 transitions. [2022-11-22 02:38:52,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-11-22 02:38:52,068 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:38:52,068 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:38:52,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-22 02:38:52,069 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)] === [2022-11-22 02:38:52,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:38:52,069 INFO L85 PathProgramCache]: Analyzing trace with hash -2069068246, now seen corresponding path program 1 times [2022-11-22 02:38:52,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:38:52,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320304875] [2022-11-22 02:38:52,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:38:52,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:38:52,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:38:53,081 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-11-22 02:38:53,082 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:38:53,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320304875] [2022-11-22 02:38:53,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320304875] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:38:53,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1379969527] [2022-11-22 02:38:53,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:38:53,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:38:53,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:38:53,084 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:38:53,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86e28680-5f4f-4605-ae96-c362a319303c/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-22 02:38:54,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:38:54,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 3732 conjuncts, 60 conjunts are in the unsatisfiable core [2022-11-22 02:38:54,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:38:55,037 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 46 proven. 12 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-11-22 02:38:55,037 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:38:55,712 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-11-22 02:38:55,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1379969527] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:38:55,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1581450066] [2022-11-22 02:38:55,742 INFO L159 IcfgInterpreter]: Started Sifa with 98 locations of interest [2022-11-22 02:38:55,742 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 02:38:55,746 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 02:38:55,752 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 02:38:55,752 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 02:39:03,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-22 02:39:05,235 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 [2022-11-22 02:39:05,688 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 [2022-11-22 02:39:06,345 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 [2022-11-22 02:39:06,547 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 [2022-11-22 02:39:06,891 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 [2022-11-22 02:39:07,850 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 [2022-11-22 02:41:32,154 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 [2022-11-22 02:41:32,162 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 [2022-11-22 02:42:15,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,540 INFO L217 Elim1Store]: Index analysis took 153 ms [2022-11-22 02:42:15,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:15,572 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:42:15,726 INFO L321 Elim1Store]: treesize reduction 72, result has 48.2 percent of original size [2022-11-22 02:42:15,728 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 [2022-11-22 02:42:16,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:16,166 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 [2022-11-22 02:42:16,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:16,283 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 [2022-11-22 02:42:17,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:17,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:17,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:17,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:17,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:17,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:17,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:17,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:17,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:17,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:17,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:17,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:17,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:17,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:17,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:17,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:17,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:17,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:17,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:17,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:17,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:17,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:17,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:17,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:17,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:17,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:17,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,702 INFO L217 Elim1Store]: Index analysis took 817 ms [2022-11-22 02:42:18,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,721 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:42:18,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:18,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:23,667 INFO L321 Elim1Store]: treesize reduction 1312, result has 40.8 percent of original size [2022-11-22 02:42:23,674 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 [2022-11-22 02:42:29,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:29,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:29,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:29,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:29,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:29,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:29,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:29,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:29,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:29,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:29,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:29,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:29,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:29,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:29,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:29,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:29,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:29,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:29,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:29,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:29,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:29,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:29,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:29,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:29,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:29,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:29,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:29,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:29,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:29,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:29,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:29,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:29,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:29,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:29,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:29,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:29,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:29,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,086 INFO L217 Elim1Store]: Index analysis took 192 ms [2022-11-22 02:42:30,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:30,149 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:42:30,410 INFO L321 Elim1Store]: treesize reduction 84, result has 39.6 percent of original size [2022-11-22 02:42:30,411 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 [2022-11-22 02:42:32,825 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 91