./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/bin/utaipan-I9t0OCRTmS --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 b25ac84d4a20a437c31c3bd685865b0db6f54088dab7ab415bb47113c804a34a --- 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-8393723 [2022-11-19 07:23:25,114 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:23:25,117 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:23:25,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:23:25,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:23:25,178 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:23:25,180 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:23:25,184 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:23:25,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:23:25,191 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:23:25,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:23:25,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:23:25,198 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:23:25,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:23:25,207 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:23:25,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:23:25,212 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:23:25,215 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:23:25,217 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:23:25,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:23:25,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:23:25,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:23:25,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:23:25,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:23:25,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:23:25,244 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:23:25,245 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:23:25,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:23:25,248 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:23:25,249 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:23:25,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:23:25,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:23:25,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:23:25,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:23:25,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:23:25,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:23:25,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:23:25,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:23:25,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:23:25,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:23:25,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:23:25,263 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:23:25,314 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:23:25,315 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:23:25,316 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:23:25,316 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:23:25,317 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:23:25,318 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:23:25,318 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:23:25,318 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:23:25,318 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:23:25,319 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:23:25,320 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:23:25,320 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:23:25,321 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:23:25,321 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:23:25,321 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:23:25,321 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:23:25,322 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:23:25,322 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:23:25,323 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:23:25,323 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:23:25,323 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:23:25,324 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:23:25,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:23:25,324 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:23:25,324 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:23:25,325 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:23:25,325 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:23:25,327 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:23:25,328 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:23:25,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:23:25,328 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:23:25,329 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:23:25,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:23:25,329 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:23:25,329 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:23:25,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:23:25,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:23:25,330 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:23:25,330 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_8db51f90-c080-4afb-acde-86e11de345ba/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b25ac84d4a20a437c31c3bd685865b0db6f54088dab7ab415bb47113c804a34a [2022-11-19 07:23:25,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:23:25,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:23:25,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:23:25,660 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:23:25,662 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:23:25,663 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i [2022-11-19 07:23:25,741 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/bin/utaipan-I9t0OCRTmS/data/ecb3a8e93/06db4d2794b64b43b7b5d262feaea83d/FLAG6e0587bdc [2022-11-19 07:23:26,884 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:23:26,885 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i [2022-11-19 07:23:26,966 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/bin/utaipan-I9t0OCRTmS/data/ecb3a8e93/06db4d2794b64b43b7b5d262feaea83d/FLAG6e0587bdc [2022-11-19 07:23:27,194 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/bin/utaipan-I9t0OCRTmS/data/ecb3a8e93/06db4d2794b64b43b7b5d262feaea83d [2022-11-19 07:23:27,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:23:27,198 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:23:27,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:23:27,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:23:27,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:23:27,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:23:27" (1/1) ... [2022-11-19 07:23:27,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b0535e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:27, skipping insertion in model container [2022-11-19 07:23:27,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:23:27" (1/1) ... [2022-11-19 07:23:27,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:23:27,427 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:23:35,691 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571462,571475] [2022-11-19 07:23:35,699 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571607,571620] [2022-11-19 07:23:35,700 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571753,571766] [2022-11-19 07:23:35,712 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571918,571931] [2022-11-19 07:23:35,713 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572076,572089] [2022-11-19 07:23:35,720 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572234,572247] [2022-11-19 07:23:35,721 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572392,572405] [2022-11-19 07:23:35,722 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572552,572565] [2022-11-19 07:23:35,722 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572711,572724] [2022-11-19 07:23:35,723 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572850,572863] [2022-11-19 07:23:35,723 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572992,573005] [2022-11-19 07:23:35,723 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573141,573154] [2022-11-19 07:23:35,724 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573280,573293] [2022-11-19 07:23:35,724 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573435,573448] [2022-11-19 07:23:35,725 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573595,573608] [2022-11-19 07:23:35,725 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573746,573759] [2022-11-19 07:23:35,726 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573897,573910] [2022-11-19 07:23:35,736 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574049,574062] [2022-11-19 07:23:35,736 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574198,574211] [2022-11-19 07:23:35,737 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574346,574359] [2022-11-19 07:23:35,737 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574503,574516] [2022-11-19 07:23:35,738 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574652,574665] [2022-11-19 07:23:35,738 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574808,574821] [2022-11-19 07:23:35,739 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574961,574974] [2022-11-19 07:23:35,759 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575107,575120] [2022-11-19 07:23:35,760 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575250,575263] [2022-11-19 07:23:35,760 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575402,575415] [2022-11-19 07:23:35,761 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575548,575561] [2022-11-19 07:23:35,761 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575693,575706] [2022-11-19 07:23:35,762 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575847,575860] [2022-11-19 07:23:35,763 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575998,576011] [2022-11-19 07:23:35,763 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576153,576166] [2022-11-19 07:23:35,764 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576305,576318] [2022-11-19 07:23:35,764 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576460,576473] [2022-11-19 07:23:35,768 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576624,576637] [2022-11-19 07:23:35,769 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576780,576793] [2022-11-19 07:23:35,770 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576944,576957] [2022-11-19 07:23:35,770 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577086,577099] [2022-11-19 07:23:35,771 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577244,577257] [2022-11-19 07:23:35,771 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577411,577424] [2022-11-19 07:23:35,772 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577570,577583] [2022-11-19 07:23:35,776 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577729,577742] [2022-11-19 07:23:35,777 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577878,577891] [2022-11-19 07:23:35,777 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578025,578038] [2022-11-19 07:23:35,778 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578164,578177] [2022-11-19 07:23:35,778 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578327,578340] [2022-11-19 07:23:35,779 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578493,578506] [2022-11-19 07:23:35,781 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578657,578670] [2022-11-19 07:23:35,782 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578822,578835] [2022-11-19 07:23:35,783 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578987,579000] [2022-11-19 07:23:35,784 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579153,579166] [2022-11-19 07:23:35,786 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579318,579331] [2022-11-19 07:23:35,787 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579485,579498] [2022-11-19 07:23:35,788 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579645,579658] [2022-11-19 07:23:35,788 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579807,579820] [2022-11-19 07:23:35,789 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579966,579979] [2022-11-19 07:23:35,789 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580112,580125] [2022-11-19 07:23:35,790 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580255,580268] [2022-11-19 07:23:35,791 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580399,580412] [2022-11-19 07:23:35,792 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580542,580555] [2022-11-19 07:23:35,793 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580686,580699] [2022-11-19 07:23:35,794 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580827,580840] [2022-11-19 07:23:35,795 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580965,580978] [2022-11-19 07:23:35,796 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581123,581136] [2022-11-19 07:23:35,797 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581282,581295] [2022-11-19 07:23:35,798 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581438,581451] [2022-11-19 07:23:35,798 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581587,581600] [2022-11-19 07:23:35,799 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581739,581752] [2022-11-19 07:23:35,800 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581890,581903] [2022-11-19 07:23:35,800 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582039,582052] [2022-11-19 07:23:35,801 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582191,582204] [2022-11-19 07:23:35,801 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582339,582352] [2022-11-19 07:23:35,802 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582492,582505] [2022-11-19 07:23:35,803 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582643,582656] [2022-11-19 07:23:35,803 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582793,582806] [2022-11-19 07:23:35,804 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582940,582953] [2022-11-19 07:23:35,804 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583091,583104] [2022-11-19 07:23:35,805 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583242,583255] [2022-11-19 07:23:35,805 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583390,583403] [2022-11-19 07:23:35,806 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583556,583569] [2022-11-19 07:23:35,807 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583725,583738] [2022-11-19 07:23:35,808 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583892,583905] [2022-11-19 07:23:35,808 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584060,584073] [2022-11-19 07:23:35,809 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584210,584223] [2022-11-19 07:23:35,810 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584357,584370] [2022-11-19 07:23:35,811 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584518,584531] [2022-11-19 07:23:35,812 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584688,584701] [2022-11-19 07:23:35,814 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584850,584863] [2022-11-19 07:23:35,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:23:35,911 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:23:37,033 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571462,571475] [2022-11-19 07:23:37,035 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571607,571620] [2022-11-19 07:23:37,041 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571753,571766] [2022-11-19 07:23:37,042 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571918,571931] [2022-11-19 07:23:37,043 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572076,572089] [2022-11-19 07:23:37,044 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572234,572247] [2022-11-19 07:23:37,045 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572392,572405] [2022-11-19 07:23:37,045 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572552,572565] [2022-11-19 07:23:37,046 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572711,572724] [2022-11-19 07:23:37,047 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572850,572863] [2022-11-19 07:23:37,048 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572992,573005] [2022-11-19 07:23:37,049 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573141,573154] [2022-11-19 07:23:37,049 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573280,573293] [2022-11-19 07:23:37,050 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573435,573448] [2022-11-19 07:23:37,050 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573595,573608] [2022-11-19 07:23:37,051 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573746,573759] [2022-11-19 07:23:37,051 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573897,573910] [2022-11-19 07:23:37,052 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574049,574062] [2022-11-19 07:23:37,052 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574198,574211] [2022-11-19 07:23:37,053 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574346,574359] [2022-11-19 07:23:37,053 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574503,574516] [2022-11-19 07:23:37,054 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574652,574665] [2022-11-19 07:23:37,055 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574808,574821] [2022-11-19 07:23:37,059 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574961,574974] [2022-11-19 07:23:37,060 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575107,575120] [2022-11-19 07:23:37,060 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575250,575263] [2022-11-19 07:23:37,062 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575402,575415] [2022-11-19 07:23:37,062 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575548,575561] [2022-11-19 07:23:37,063 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575693,575706] [2022-11-19 07:23:37,063 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575847,575860] [2022-11-19 07:23:37,064 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575998,576011] [2022-11-19 07:23:37,064 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576153,576166] [2022-11-19 07:23:37,066 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576305,576318] [2022-11-19 07:23:37,067 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576460,576473] [2022-11-19 07:23:37,067 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576624,576637] [2022-11-19 07:23:37,068 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576780,576793] [2022-11-19 07:23:37,069 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576944,576957] [2022-11-19 07:23:37,070 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577086,577099] [2022-11-19 07:23:37,071 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577244,577257] [2022-11-19 07:23:37,071 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577411,577424] [2022-11-19 07:23:37,073 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577570,577583] [2022-11-19 07:23:37,074 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577729,577742] [2022-11-19 07:23:37,075 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577878,577891] [2022-11-19 07:23:37,076 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578025,578038] [2022-11-19 07:23:37,076 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578164,578177] [2022-11-19 07:23:37,077 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578327,578340] [2022-11-19 07:23:37,077 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578493,578506] [2022-11-19 07:23:37,078 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578657,578670] [2022-11-19 07:23:37,079 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578822,578835] [2022-11-19 07:23:37,079 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578987,579000] [2022-11-19 07:23:37,080 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579153,579166] [2022-11-19 07:23:37,081 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579318,579331] [2022-11-19 07:23:37,081 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579485,579498] [2022-11-19 07:23:37,082 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579645,579658] [2022-11-19 07:23:37,084 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579807,579820] [2022-11-19 07:23:37,085 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579966,579979] [2022-11-19 07:23:37,086 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580112,580125] [2022-11-19 07:23:37,086 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580255,580268] [2022-11-19 07:23:37,086 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580399,580412] [2022-11-19 07:23:37,087 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580542,580555] [2022-11-19 07:23:37,087 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580686,580699] [2022-11-19 07:23:37,088 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580827,580840] [2022-11-19 07:23:37,088 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580965,580978] [2022-11-19 07:23:37,089 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581123,581136] [2022-11-19 07:23:37,089 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581282,581295] [2022-11-19 07:23:37,090 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581438,581451] [2022-11-19 07:23:37,090 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581587,581600] [2022-11-19 07:23:37,091 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581739,581752] [2022-11-19 07:23:37,091 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581890,581903] [2022-11-19 07:23:37,091 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582039,582052] [2022-11-19 07:23:37,092 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582191,582204] [2022-11-19 07:23:37,092 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582339,582352] [2022-11-19 07:23:37,093 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582492,582505] [2022-11-19 07:23:37,093 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582643,582656] [2022-11-19 07:23:37,093 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582793,582806] [2022-11-19 07:23:37,094 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582940,582953] [2022-11-19 07:23:37,094 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583091,583104] [2022-11-19 07:23:37,095 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583242,583255] [2022-11-19 07:23:37,096 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583390,583403] [2022-11-19 07:23:37,097 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583556,583569] [2022-11-19 07:23:37,098 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583725,583738] [2022-11-19 07:23:37,100 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583892,583905] [2022-11-19 07:23:37,101 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584060,584073] [2022-11-19 07:23:37,101 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584210,584223] [2022-11-19 07:23:37,102 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584357,584370] [2022-11-19 07:23:37,102 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584518,584531] [2022-11-19 07:23:37,103 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584688,584701] [2022-11-19 07:23:37,103 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584850,584863] [2022-11-19 07:23:37,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:23:37,717 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:23:37,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:37 WrapperNode [2022-11-19 07:23:37,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:23:37,719 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:23:37,719 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:23:37,720 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:23:37,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:37" (1/1) ... [2022-11-19 07:23:37,973 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:37" (1/1) ... [2022-11-19 07:23:39,514 INFO L138 Inliner]: procedures = 984, calls = 4896, calls flagged for inlining = 497, calls inlined = 414, statements flattened = 13047 [2022-11-19 07:23:39,515 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:23:39,516 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:23:39,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:23:39,516 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:23:39,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:37" (1/1) ... [2022-11-19 07:23:39,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:37" (1/1) ... [2022-11-19 07:23:40,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:37" (1/1) ... [2022-11-19 07:23:40,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:37" (1/1) ... [2022-11-19 07:23:41,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:37" (1/1) ... [2022-11-19 07:23:41,245 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:37" (1/1) ... [2022-11-19 07:23:41,391 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:37" (1/1) ... [2022-11-19 07:23:41,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:37" (1/1) ... [2022-11-19 07:23:41,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:23:41,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:23:41,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:23:41,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:23:41,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:37" (1/1) ... [2022-11-19 07:23:41,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:23:41,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:23:41,676 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:23:41,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db51f90-c080-4afb-acde-86e11de345ba/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:23:41,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_127 [2022-11-19 07:23:41,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_127 [2022-11-19 07:23:41,731 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-19 07:23:41,731 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_unmap [2022-11-19 07:23:41,731 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_unmap [2022-11-19 07:23:41,731 INFO L130 BoogieDeclarations]: Found specification of procedure queue_kthread_work [2022-11-19 07:23:41,731 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_kthread_work [2022-11-19 07:23:41,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_queue_lock_of_request_queue [2022-11-19 07:23:41,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_queue_lock_of_request_queue [2022-11-19 07:23:41,732 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_fill_inf_exc_page [2022-11-19 07:23:41,732 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_fill_inf_exc_page [2022-11-19 07:23:41,732 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_delete_cq [2022-11-19 07:23:41,732 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_delete_cq [2022-11-19 07:23:41,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-19 07:23:41,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-19 07:23:41,732 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2022-11-19 07:23:41,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2022-11-19 07:23:41,733 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_setup_prps [2022-11-19 07:23:41,733 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_setup_prps [2022-11-19 07:23:41,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-19 07:23:41,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-19 07:23:41,733 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-19 07:23:41,733 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-19 07:23:41,733 INFO L130 BoogieDeclarations]: Found specification of procedure queue_flag_set_unlocked [2022-11-19 07:23:41,733 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_flag_set_unlocked [2022-11-19 07:23:41,733 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_suspend [2022-11-19 07:23:41,733 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_suspend [2022-11-19 07:23:41,734 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_copy_to_user [2022-11-19 07:23:41,734 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_copy_to_user [2022-11-19 07:23:41,734 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_release_instance [2022-11-19 07:23:41,734 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_release_instance [2022-11-19 07:23:41,734 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-19 07:23:41,734 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-19 07:23:41,734 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2022-11-19 07:23:41,734 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2022-11-19 07:23:41,735 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_submit_cmd [2022-11-19 07:23:41,735 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_submit_cmd [2022-11-19 07:23:41,735 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_resume [2022-11-19 07:23:41,735 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_resume [2022-11-19 07:23:41,735 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_start [2022-11-19 07:23:41,735 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_start [2022-11-19 07:23:41,735 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-19 07:23:41,735 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-19 07:23:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2022-11-19 07:23:41,736 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2022-11-19 07:23:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure blk_integrity_unregister [2022-11-19 07:23:41,736 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_integrity_unregister [2022-11-19 07:23:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-19 07:23:41,736 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-19 07:23:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dif_remap [2022-11-19 07:23:41,736 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dif_remap [2022-11-19 07:23:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-19 07:23:41,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-19 07:23:41,737 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_identify [2022-11-19 07:23:41,737 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_identify [2022-11-19 07:23:41,737 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-19 07:23:41,737 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-19 07:23:41,737 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_ioctl [2022-11-19 07:23:41,737 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_ioctl [2022-11-19 07:23:41,737 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-19 07:23:41,738 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-19 07:23:41,738 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2022-11-19 07:23:41,738 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2022-11-19 07:23:41,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_106 [2022-11-19 07:23:41,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_106 [2022-11-19 07:23:41,738 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2022-11-19 07:23:41,738 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2022-11-19 07:23:41,738 INFO L130 BoogieDeclarations]: Found specification of procedure db_bar_size [2022-11-19 07:23:41,738 INFO L138 BoogieDeclarations]: Found implementation of procedure db_bar_size [2022-11-19 07:23:41,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-19 07:23:41,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-19 07:23:41,739 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_process_cq [2022-11-19 07:23:41,739 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_process_cq [2022-11-19 07:23:41,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-19 07:23:41,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-19 07:23:41,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:23:41,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-19 07:23:41,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-19 07:23:41,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-19 07:23:41,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-19 07:23:41,740 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_free_queues [2022-11-19 07:23:41,740 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_free_queues [2022-11-19 07:23:41,740 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2022-11-19 07:23:41,740 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2022-11-19 07:23:41,740 INFO L130 BoogieDeclarations]: Found specification of procedure queue_request_irq [2022-11-19 07:23:41,740 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_request_irq [2022-11-19 07:23:41,740 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_alloc_tag_set [2022-11-19 07:23:41,740 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_alloc_tag_set [2022-11-19 07:23:41,741 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-19 07:23:41,741 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-19 07:23:41,741 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-19 07:23:41,741 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-19 07:23:41,741 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-11-19 07:23:41,741 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-11-19 07:23:41,741 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc_node [2022-11-19 07:23:41,741 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc_node [2022-11-19 07:23:41,741 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-11-19 07:23:41,741 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-11-19 07:23:41,741 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_init_queue [2022-11-19 07:23:41,742 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_init_queue [2022-11-19 07:23:41,742 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2022-11-19 07:23:41,742 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2022-11-19 07:23:41,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-19 07:23:41,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-19 07:23:41,742 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get_unless_zero [2022-11-19 07:23:41,742 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get_unless_zero [2022-11-19 07:23:41,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2022-11-19 07:23:41,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2022-11-19 07:23:41,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:23:41,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-19 07:23:41,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-11-19 07:23:41,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-19 07:23:41,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-19 07:23:41,743 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-19 07:23:41,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-19 07:23:41,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:23:41,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-19 07:23:41,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-19 07:23:41,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:23:41,744 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2022-11-19 07:23:41,744 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2022-11-19 07:23:41,744 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-19 07:23:41,744 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_del_queue_end [2022-11-19 07:23:41,744 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_del_queue_end [2022-11-19 07:23:41,744 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-19 07:23:41,744 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-19 07:23:41,744 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_fill_control_page [2022-11-19 07:23:41,744 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_fill_control_page [2022-11-19 07:23:41,744 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_bytes [2022-11-19 07:23:41,745 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_bytes [2022-11-19 07:23:41,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_threaded_irq [2022-11-19 07:23:41,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_threaded_irq [2022-11-19 07:23:41,745 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2022-11-19 07:23:41,745 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2022-11-19 07:23:41,745 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_list_remove [2022-11-19 07:23:41,745 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_list_remove [2022-11-19 07:23:41,745 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-19 07:23:41,745 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-19 07:23:41,746 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_unmap_user_pages [2022-11-19 07:23:41,746 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_unmap_user_pages [2022-11-19 07:23:41,746 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_clear_queue [2022-11-19 07:23:41,746 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_clear_queue [2022-11-19 07:23:41,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:23:41,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:23:41,746 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_cmd_size [2022-11-19 07:23:41,746 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_cmd_size [2022-11-19 07:23:41,746 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-19 07:23:41,747 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-19 07:23:41,747 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_wait_ready [2022-11-19 07:23:41,747 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_wait_ready [2022-11-19 07:23:41,747 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_revalidate_disk [2022-11-19 07:23:41,747 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_revalidate_disk [2022-11-19 07:23:41,747 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-19 07:23:41,747 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-19 07:23:41,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 07:23:41,748 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_set_info [2022-11-19 07:23:41,748 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_set_info [2022-11-19 07:23:41,748 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-19 07:23:41,748 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-19 07:23:41,748 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_set_irq_hints [2022-11-19 07:23:41,748 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_set_irq_hints [2022-11-19 07:23:41,748 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-11-19 07:23:41,748 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-11-19 07:23:41,748 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_sg_attrs [2022-11-19 07:23:41,749 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_sg_attrs [2022-11-19 07:23:41,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-19 07:23:41,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-19 07:23:41,749 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-19 07:23:41,749 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-19 07:23:41,749 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_freeze_queue_start [2022-11-19 07:23:41,749 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_freeze_queue_start [2022-11-19 07:23:41,749 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_init_queue [2022-11-19 07:23:41,749 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_init_queue [2022-11-19 07:23:41,750 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_io [2022-11-19 07:23:41,750 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_io [2022-11-19 07:23:41,750 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2022-11-19 07:23:41,750 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2022-11-19 07:23:41,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 07:23:41,750 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 07:23:41,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-19 07:23:41,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-19 07:23:41,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-19 07:23:41,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-19 07:23:41,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_dev_list_lock [2022-11-19 07:23:41,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_dev_list_lock [2022-11-19 07:23:41,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-19 07:23:41,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-19 07:23:41,751 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-19 07:23:41,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-19 07:23:41,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-19 07:23:41,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-19 07:23:41,752 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_node [2022-11-19 07:23:41,752 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_node [2022-11-19 07:23:41,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:23:41,752 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-19 07:23:41,752 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-19 07:23:41,752 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_remove [2022-11-19 07:23:41,752 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_remove [2022-11-19 07:23:41,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-19 07:23:41,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-19 07:23:41,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_base_class__double_registration [2022-11-19 07:23:41,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_base_class__double_registration [2022-11-19 07:23:41,753 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_rq_to_pdu [2022-11-19 07:23:41,753 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_rq_to_pdu [2022-11-19 07:23:41,753 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2022-11-19 07:23:41,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2022-11-19 07:23:41,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:23:41,753 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-19 07:23:41,753 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-19 07:23:41,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_destroy_class [2022-11-19 07:23:41,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_destroy_class [2022-11-19 07:23:41,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_dev_list_lock [2022-11-19 07:23:41,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_dev_list_lock [2022-11-19 07:23:41,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_q_lock_of_nvme_queue [2022-11-19 07:23:41,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_q_lock_of_nvme_queue [2022-11-19 07:23:41,754 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-19 07:23:41,754 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-19 07:23:41,754 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_request [2022-11-19 07:23:41,754 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_request [2022-11-19 07:23:41,754 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_submit_admin_cmd [2022-11-19 07:23:41,754 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_submit_admin_cmd [2022-11-19 07:23:41,754 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-19 07:23:41,754 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-19 07:23:41,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-19 07:23:41,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-19 07:23:41,755 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-19 07:23:41,755 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-19 07:23:41,755 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_copy_from_user [2022-11-19 07:23:41,755 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_copy_from_user [2022-11-19 07:23:41,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-19 07:23:41,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-19 07:23:41,755 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-19 07:23:41,755 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-19 07:23:41,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-19 07:23:41,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-19 07:23:41,755 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-19 07:23:41,755 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-19 07:23:41,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:23:41,756 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_kick_requeue_list [2022-11-19 07:23:41,756 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_kick_requeue_list [2022-11-19 07:23:41,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 07:23:41,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 07:23:41,756 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_affinity_hint [2022-11-19 07:23:41,756 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_affinity_hint [2022-11-19 07:23:41,756 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_worker_fn [2022-11-19 07:23:41,756 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2022-11-19 07:23:41,756 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2022-11-19 07:23:41,756 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_disable_queue [2022-11-19 07:23:41,756 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_disable_queue [2022-11-19 07:23:41,757 INFO L130 BoogieDeclarations]: Found specification of procedure iod_list [2022-11-19 07:23:41,757 INFO L138 BoogieDeclarations]: Found implementation of procedure iod_list [2022-11-19 07:23:41,757 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_shutdown [2022-11-19 07:23:41,757 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_shutdown [2022-11-19 07:23:41,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_126 [2022-11-19 07:23:41,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_126 [2022-11-19 07:23:41,757 INFO L130 BoogieDeclarations]: Found specification of procedure __nvme_alloc_iod [2022-11-19 07:23:41,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __nvme_alloc_iod [2022-11-19 07:23:41,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_q_lock_of_nvme_queue [2022-11-19 07:23:41,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_q_lock_of_nvme_queue [2022-11-19 07:23:41,757 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-19 07:23:41,758 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-19 07:23:41,758 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_hctx_request [2022-11-19 07:23:41,758 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_hctx_request [2022-11-19 07:23:41,758 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_status_code [2022-11-19 07:23:41,758 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_status_code [2022-11-19 07:23:41,758 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2022-11-19 07:23:41,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2022-11-19 07:23:41,758 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_free_iod [2022-11-19 07:23:41,758 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_free_iod [2022-11-19 07:23:41,759 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-11-19 07:23:41,759 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-11-19 07:23:41,759 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2022-11-19 07:23:41,759 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2022-11-19 07:23:41,759 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-19 07:23:41,759 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-19 07:23:41,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2022-11-19 07:23:41,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2022-11-19 07:23:41,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-19 07:23:41,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-19 07:23:41,759 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-11-19 07:23:41,759 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-11-19 07:23:41,760 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-19 07:23:41,760 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-19 07:23:41,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 07:23:41,760 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 07:23:41,760 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_complete_request [2022-11-19 07:23:41,760 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_complete_request [2022-11-19 07:23:41,760 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-19 07:23:41,760 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-19 07:23:41,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 07:23:41,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 07:23:41,760 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-19 07:23:41,761 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-19 07:23:41,761 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_fill_caching_page [2022-11-19 07:23:41,761 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_fill_caching_page [2022-11-19 07:23:41,761 INFO L130 BoogieDeclarations]: Found specification of procedure __nvme_submit_cmd [2022-11-19 07:23:41,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __nvme_submit_cmd [2022-11-19 07:23:41,761 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_sg_attrs [2022-11-19 07:23:41,761 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_sg_attrs [2022-11-19 07:23:41,761 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_get_features [2022-11-19 07:23:41,761 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_get_features [2022-11-19 07:23:41,761 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_unfreeze_queue [2022-11-19 07:23:41,762 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_unfreeze_queue [2022-11-19 07:23:41,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-19 07:23:41,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-19 07:23:41,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-19 07:23:41,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-19 07:23:41,762 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_read_capacity [2022-11-19 07:23:41,762 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_read_capacity [2022-11-19 07:23:41,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-19 07:23:41,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-19 07:23:41,762 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_logical_block_size [2022-11-19 07:23:41,763 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_logical_block_size [2022-11-19 07:23:41,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-19 07:23:41,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-19 07:23:41,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-19 07:23:41,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-19 07:23:41,763 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2022-11-19 07:23:41,763 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2022-11-19 07:23:41,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:23:41,763 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-19 07:23:41,763 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-19 07:23:41,763 INFO L130 BoogieDeclarations]: Found specification of procedure iod_get_private [2022-11-19 07:23:41,764 INFO L138 BoogieDeclarations]: Found implementation of procedure iod_get_private [2022-11-19 07:23:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_remove_admin [2022-11-19 07:23:41,764 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_remove_admin [2022-11-19 07:23:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_delete_queue [2022-11-19 07:23:41,764 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_delete_queue [2022-11-19 07:23:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-19 07:23:41,764 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-19 07:23:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 07:23:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_tag_set [2022-11-19 07:23:41,764 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_tag_set [2022-11-19 07:23:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-19 07:23:41,765 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-19 07:23:41,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 07:23:41,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_blk_cleanup_queue [2022-11-19 07:23:41,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_blk_cleanup_queue [2022-11-19 07:23:41,765 INFO L130 BoogieDeclarations]: Found specification of procedure __nvme_submit_admin_cmd [2022-11-19 07:23:41,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __nvme_submit_admin_cmd [2022-11-19 07:23:41,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-19 07:23:41,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-19 07:23:41,765 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_fill_pow_cnd_page [2022-11-19 07:23:41,765 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_fill_pow_cnd_page [2022-11-19 07:23:41,765 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_disable_ctrl [2022-11-19 07:23:41,766 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_disable_ctrl [2022-11-19 07:23:41,766 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_empty [2022-11-19 07:23:41,766 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_empty [2022-11-19 07:23:41,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-19 07:23:41,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-19 07:23:41,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 07:23:41,766 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 07:23:41,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-19 07:23:41,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-19 07:23:41,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-19 07:23:41,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-19 07:23:41,767 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_resume [2022-11-19 07:23:41,767 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_resume [2022-11-19 07:23:41,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-19 07:23:41,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-19 07:23:41,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2022-11-19 07:23:41,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2022-11-19 07:23:41,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_2 [2022-11-19 07:23:41,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_2 [2022-11-19 07:23:41,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-19 07:23:41,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-19 07:23:41,768 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_reset_failed_dev [2022-11-19 07:23:41,768 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_reset_failed_dev [2022-11-19 07:23:41,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_queue_lock_of_request_queue [2022-11-19 07:23:41,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_queue_lock_of_request_queue [2022-11-19 07:23:41,768 INFO L130 BoogieDeclarations]: Found specification of procedure blk_integrity_rq [2022-11-19 07:23:41,768 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_integrity_rq [2022-11-19 07:23:41,768 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-11-19 07:23:41,768 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-11-19 07:23:41,768 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 07:23:41,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 07:23:41,769 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-19 07:23:41,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-19 07:23:41,769 INFO L130 BoogieDeclarations]: Found specification of procedure fatal_signal_pending [2022-11-19 07:23:41,769 INFO L138 BoogieDeclarations]: Found implementation of procedure fatal_signal_pending [2022-11-19 07:23:41,769 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_alloc_queue [2022-11-19 07:23:41,769 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_alloc_queue [2022-11-19 07:23:41,769 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-19 07:23:41,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-19 07:23:41,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-19 07:23:41,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-19 07:23:41,770 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_submit_io_cmd [2022-11-19 07:23:41,770 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_submit_io_cmd [2022-11-19 07:23:41,770 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-19 07:23:41,770 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-19 07:23:41,770 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-19 07:23:41,770 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-19 07:23:41,770 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2022-11-19 07:23:41,770 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2022-11-19 07:23:41,770 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-19 07:23:41,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-19 07:23:41,771 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-11-19 07:23:41,771 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-11-19 07:23:41,771 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-11-19 07:23:41,771 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_alloc_request [2022-11-19 07:23:41,771 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_alloc_request [2022-11-19 07:23:41,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 07:23:41,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 07:23:41,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 07:23:41,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-19 07:23:41,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-19 07:23:41,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_destroy_class [2022-11-19 07:23:41,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_destroy_class [2022-11-19 07:23:41,772 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_delete_sq [2022-11-19 07:23:41,772 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_delete_sq [2022-11-19 07:23:41,772 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-19 07:23:41,772 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-19 07:23:41,772 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2022-11-19 07:23:41,772 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2022-11-19 07:23:41,772 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-11-19 07:23:41,772 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-11-19 07:23:41,773 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2022-11-19 07:23:41,773 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2022-11-19 07:23:41,773 INFO L130 BoogieDeclarations]: Found specification of procedure __le64_to_cpup [2022-11-19 07:23:41,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __le64_to_cpup [2022-11-19 07:23:41,773 INFO L130 BoogieDeclarations]: Found specification of procedure work_busy [2022-11-19 07:23:41,773 INFO L138 BoogieDeclarations]: Found implementation of procedure work_busy [2022-11-19 07:23:41,773 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_async_del_queue [2022-11-19 07:23:41,773 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_async_del_queue [2022-11-19 07:23:41,773 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-11-19 07:23:41,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-11-19 07:23:41,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:23:41,774 INFO L130 BoogieDeclarations]: Found specification of procedure __unregister_chrdev [2022-11-19 07:23:41,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __unregister_chrdev [2022-11-19 07:23:41,774 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-19 07:23:41,774 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-19 07:23:41,774 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-19 07:23:41,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-19 07:23:41,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-19 07:23:41,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-19 07:23:41,774 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_user_cmd [2022-11-19 07:23:41,775 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_user_cmd [2022-11-19 07:23:41,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-19 07:23:41,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-19 07:23:41,775 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_block_nr [2022-11-19 07:23:41,775 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_block_nr [2022-11-19 07:23:41,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-19 07:23:41,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-19 07:23:41,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-19 07:23:41,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-19 07:23:41,775 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_reset_workfn [2022-11-19 07:23:41,775 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_reset_workfn [2022-11-19 07:23:41,776 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2022-11-19 07:23:41,776 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2022-11-19 07:23:41,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_105 [2022-11-19 07:23:41,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_105 [2022-11-19 07:23:41,776 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-19 07:23:41,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-19 07:23:41,776 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_submit_sync_cmd [2022-11-19 07:23:41,776 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_submit_sync_cmd [2022-11-19 07:23:41,776 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_shutdown [2022-11-19 07:23:41,776 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_shutdown [2022-11-19 07:23:41,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-19 07:23:41,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-19 07:23:41,777 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_npages [2022-11-19 07:23:41,777 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_npages [2022-11-19 07:23:41,777 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 07:23:41,777 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 07:23:41,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-19 07:23:41,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-19 07:23:41,777 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_map_user_pages [2022-11-19 07:23:41,777 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_map_user_pages [2022-11-19 07:23:41,777 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_remove [2022-11-19 07:23:41,778 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_remove [2022-11-19 07:23:41,778 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-19 07:23:41,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-19 07:23:41,778 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_ioctl [2022-11-19 07:23:41,778 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_ioctl [2022-11-19 07:23:41,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-19 07:23:41,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-19 07:23:41,778 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_release_prp_pools [2022-11-19 07:23:41,778 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_release_prp_pools [2022-11-19 07:23:41,778 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_mode_page_create [2022-11-19 07:23:41,778 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_mode_page_create [2022-11-19 07:23:41,779 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-19 07:23:41,779 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-19 07:23:41,779 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-19 07:23:41,779 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-19 07:23:41,779 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_send_fw_cmd [2022-11-19 07:23:41,779 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_send_fw_cmd [2022-11-19 07:23:41,779 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2022-11-19 07:23:41,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2022-11-19 07:23:41,779 INFO L130 BoogieDeclarations]: Found specification of procedure iod_init [2022-11-19 07:23:41,779 INFO L138 BoogieDeclarations]: Found implementation of procedure iod_init [2022-11-19 07:23:41,780 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_reset [2022-11-19 07:23:41,780 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_reset [2022-11-19 07:23:41,780 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2022-11-19 07:23:41,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2022-11-19 07:23:41,780 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-11-19 07:23:41,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-11-19 07:23:41,780 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-19 07:23:41,780 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-19 07:23:41,780 INFO L130 BoogieDeclarations]: Found specification of procedure queue_logical_block_size [2022-11-19 07:23:41,780 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_logical_block_size [2022-11-19 07:23:41,780 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_suspend_queue [2022-11-19 07:23:41,781 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_suspend_queue [2022-11-19 07:23:41,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-19 07:23:41,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-19 07:23:41,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-19 07:23:41,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-19 07:23:41,781 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_completion [2022-11-19 07:23:41,781 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_completion [2022-11-19 07:23:41,781 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-19 07:23:41,781 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-19 07:23:41,781 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_set_features [2022-11-19 07:23:41,781 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_set_features [2022-11-19 07:23:41,782 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-19 07:23:41,782 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-19 07:23:41,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:23:41,782 INFO L130 BoogieDeclarations]: Found specification of procedure readq [2022-11-19 07:23:41,782 INFO L138 BoogieDeclarations]: Found implementation of procedure readq [2022-11-19 07:23:41,782 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2022-11-19 07:23:41,782 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2022-11-19 07:23:41,782 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-19 07:23:43,477 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:23:43,482 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:23:59,024 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 07:24:30,410 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:24:35,965 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:24:35,965 INFO L300 CfgBuilder]: Removed 10 assume(true) statements. [2022-11-19 07:24:35,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:24:35 BoogieIcfgContainer [2022-11-19 07:24:35,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:24:35,979 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:24:35,980 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:24:35,984 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:24:35,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:23:27" (1/3) ... [2022-11-19 07:24:35,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ee9784e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:24:35, skipping insertion in model container [2022-11-19 07:24:35,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:37" (2/3) ... [2022-11-19 07:24:35,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ee9784e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:24:35, skipping insertion in model container [2022-11-19 07:24:35,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:24:35" (3/3) ... [2022-11-19 07:24:35,987 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--block--nvme.ko.cil.i [2022-11-19 07:24:36,013 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:24:36,013 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2022-11-19 07:24:36,159 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:24:36,165 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;@71fa205f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:24:36,166 INFO L358 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2022-11-19 07:24:36,183 INFO L276 IsEmpty]: Start isEmpty. Operand has 3385 states, 2031 states have (on average 1.3165928114229444) internal successors, (2674), 2138 states have internal predecessors, (2674), 1074 states have call successors, (1074), 249 states have call predecessors, (1074), 248 states have return successors, (1066), 1057 states have call predecessors, (1066), 1066 states have call successors, (1066) [2022-11-19 07:24:36,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-19 07:24:36,196 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:24:36,197 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:24:36,197 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 07:24:36,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:24:36,204 INFO L85 PathProgramCache]: Analyzing trace with hash -252213972, now seen corresponding path program 1 times [2022-11-19 07:24:36,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:24:36,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9373512] [2022-11-19 07:24:36,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:24:36,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:24:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:24:37,352 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 07:24:37,353 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:24:37,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9373512] [2022-11-19 07:24:37,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9373512] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:24:37,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:24:37,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:24:37,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048792614] [2022-11-19 07:24:37,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:24:37,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:24:37,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:24:37,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:24:37,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:24:37,408 INFO L87 Difference]: Start difference. First operand has 3385 states, 2031 states have (on average 1.3165928114229444) internal successors, (2674), 2138 states have internal predecessors, (2674), 1074 states have call successors, (1074), 249 states have call predecessors, (1074), 248 states have return successors, (1066), 1057 states have call predecessors, (1066), 1066 states have call successors, (1066) Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-19 07:24:41,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:24:43,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:24:45,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:24:55,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:24:58,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:25:01,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:25:01,237 INFO L93 Difference]: Finished difference Result 9903 states and 14704 transitions. [2022-11-19 07:25:01,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:25:01,240 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 38 [2022-11-19 07:25:01,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:25:01,311 INFO L225 Difference]: With dead ends: 9903 [2022-11-19 07:25:01,311 INFO L226 Difference]: Without dead ends: 6517 [2022-11-19 07:25:01,526 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 [2022-11-19 07:25:01,534 INFO L413 NwaCegarLoop]: 5336 mSDtfsCounter, 4487 mSDsluCounter, 9496 mSDsCounter, 0 mSdLazyCounter, 1791 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4493 SdHoareTripleChecker+Valid, 14832 SdHoareTripleChecker+Invalid, 1796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1791 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.9s IncrementalHoareTripleChecker+Time [2022-11-19 07:25:01,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4493 Valid, 14832 Invalid, 1796 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1791 Invalid, 4 Unknown, 0 Unchecked, 22.9s Time] [2022-11-19 07:25:01,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6517 states. [2022-11-19 07:25:01,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6517 to 6327. [2022-11-19 07:25:01,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6327 states, 3807 states have (on average 1.2936695560809035) internal successors, (4925), 3982 states have internal predecessors, (4925), 2010 states have call successors, (2010), 476 states have call predecessors, (2010), 474 states have return successors, (2067), 1986 states have call predecessors, (2067), 2008 states have call successors, (2067) [2022-11-19 07:25:02,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6327 states to 6327 states and 9002 transitions. [2022-11-19 07:25:02,072 INFO L78 Accepts]: Start accepts. Automaton has 6327 states and 9002 transitions. Word has length 38 [2022-11-19 07:25:02,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:25:02,073 INFO L495 AbstractCegarLoop]: Abstraction has 6327 states and 9002 transitions. [2022-11-19 07:25:02,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-19 07:25:02,074 INFO L276 IsEmpty]: Start isEmpty. Operand 6327 states and 9002 transitions. [2022-11-19 07:25:02,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-19 07:25:02,084 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:25:02,085 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:25:02,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:25:02,086 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 07:25:02,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:25:02,087 INFO L85 PathProgramCache]: Analyzing trace with hash -816912905, now seen corresponding path program 1 times [2022-11-19 07:25:02,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:25:02,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113511590] [2022-11-19 07:25:02,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:25:02,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:25:02,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:25:02,702 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 07:25:02,703 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:25:02,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113511590] [2022-11-19 07:25:02,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113511590] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:25:02,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:25:02,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:25:02,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828082529] [2022-11-19 07:25:02,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:25:02,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:25:02,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:25:02,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:25:02,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:25:02,710 INFO L87 Difference]: Start difference. First operand 6327 states and 9002 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-19 07:25:05,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:25:08,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:25:10,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:25:20,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:25:23,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:25:23,979 INFO L93 Difference]: Finished difference Result 12523 states and 18020 transitions. [2022-11-19 07:25:23,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:25:23,981 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 43 [2022-11-19 07:25:23,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:25:24,088 INFO L225 Difference]: With dead ends: 12523 [2022-11-19 07:25:24,088 INFO L226 Difference]: Without dead ends: 12521 [2022-11-19 07:25:24,097 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 [2022-11-19 07:25:24,098 INFO L413 NwaCegarLoop]: 5275 mSDtfsCounter, 4534 mSDsluCounter, 9387 mSDsCounter, 0 mSdLazyCounter, 1784 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4545 SdHoareTripleChecker+Valid, 14662 SdHoareTripleChecker+Invalid, 1791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1784 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:25:24,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4545 Valid, 14662 Invalid, 1791 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1784 Invalid, 4 Unknown, 0 Unchecked, 20.5s Time] [2022-11-19 07:25:24,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12521 states. [2022-11-19 07:25:24,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12521 to 12325. [2022-11-19 07:25:24,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12325 states, 7420 states have (on average 1.2948787061994609) internal successors, (9608), 7736 states have internal predecessors, (9608), 3938 states have call successors, (3938), 934 states have call predecessors, (3938), 931 states have return successors, (4270), 3886 states have call predecessors, (4270), 3936 states have call successors, (4270) [2022-11-19 07:25:24,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12325 states to 12325 states and 17816 transitions. [2022-11-19 07:25:24,841 INFO L78 Accepts]: Start accepts. Automaton has 12325 states and 17816 transitions. Word has length 43 [2022-11-19 07:25:24,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:25:24,841 INFO L495 AbstractCegarLoop]: Abstraction has 12325 states and 17816 transitions. [2022-11-19 07:25:24,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-19 07:25:24,843 INFO L276 IsEmpty]: Start isEmpty. Operand 12325 states and 17816 transitions. [2022-11-19 07:25:24,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-19 07:25:24,849 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:25:24,849 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:25:24,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:25:24,850 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 07:25:24,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:25:24,852 INFO L85 PathProgramCache]: Analyzing trace with hash -224323010, now seen corresponding path program 1 times [2022-11-19 07:25:24,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:25:24,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460044879] [2022-11-19 07:25:24,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:25:24,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:25:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:25:25,521 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-19 07:25:25,522 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:25:25,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460044879] [2022-11-19 07:25:25,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460044879] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:25:25,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:25:25,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:25:25,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960478888] [2022-11-19 07:25:25,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:25:25,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:25:25,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:25:25,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:25:25,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:25:25,524 INFO L87 Difference]: Start difference. First operand 12325 states and 17816 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-19 07:25:29,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:25:31,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:25:33,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:25:36,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:25:46,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:25:48,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:25:48,456 INFO L93 Difference]: Finished difference Result 19956 states and 28483 transitions. [2022-11-19 07:25:48,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:25:48,457 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2022-11-19 07:25:48,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:25:48,592 INFO L225 Difference]: With dead ends: 19956 [2022-11-19 07:25:48,592 INFO L226 Difference]: Without dead ends: 19954 [2022-11-19 07:25:48,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-19 07:25:48,604 INFO L413 NwaCegarLoop]: 4967 mSDtfsCounter, 4506 mSDsluCounter, 12495 mSDsCounter, 0 mSdLazyCounter, 2223 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4516 SdHoareTripleChecker+Valid, 17462 SdHoareTripleChecker+Invalid, 2229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2223 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:25:48,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4516 Valid, 17462 Invalid, 2229 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2223 Invalid, 4 Unknown, 0 Unchecked, 22.0s Time] [2022-11-19 07:25:48,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19954 states. [2022-11-19 07:25:49,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19954 to 19720. [2022-11-19 07:25:49,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19720 states, 11688 states have (on average 1.2783196440793976) internal successors, (14941), 12190 states have internal predecessors, (14941), 6308 states have call successors, (6308), 1693 states have call predecessors, (6308), 1689 states have return successors, (6982), 6212 states have call predecessors, (6982), 6306 states have call successors, (6982) [2022-11-19 07:25:49,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19720 states to 19720 states and 28231 transitions. [2022-11-19 07:25:49,811 INFO L78 Accepts]: Start accepts. Automaton has 19720 states and 28231 transitions. Word has length 43 [2022-11-19 07:25:49,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:25:49,811 INFO L495 AbstractCegarLoop]: Abstraction has 19720 states and 28231 transitions. [2022-11-19 07:25:49,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-19 07:25:49,812 INFO L276 IsEmpty]: Start isEmpty. Operand 19720 states and 28231 transitions. [2022-11-19 07:25:49,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-19 07:25:49,813 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:25:49,813 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:25:49,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:25:49,813 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 07:25:49,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:25:49,814 INFO L85 PathProgramCache]: Analyzing trace with hash 38509138, now seen corresponding path program 1 times [2022-11-19 07:25:49,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:25:49,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781411121] [2022-11-19 07:25:49,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:25:49,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:25:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:25:50,209 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 07:25:50,210 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:25:50,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781411121] [2022-11-19 07:25:50,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781411121] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:25:50,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:25:50,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:25:50,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899429892] [2022-11-19 07:25:50,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:25:50,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:25:50,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:25:50,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:25:50,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:25:50,213 INFO L87 Difference]: Start difference. First operand 19720 states and 28231 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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) [2022-11-19 07:25:53,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:25:55,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:25:57,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:25:59,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:26:05,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:26:06,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:26:06,775 INFO L93 Difference]: Finished difference Result 20272 states and 28897 transitions. [2022-11-19 07:26:06,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:26:06,776 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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 48 [2022-11-19 07:26:06,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:26:06,908 INFO L225 Difference]: With dead ends: 20272 [2022-11-19 07:26:06,908 INFO L226 Difference]: Without dead ends: 20270 [2022-11-19 07:26:06,923 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 [2022-11-19 07:26:06,924 INFO L413 NwaCegarLoop]: 4304 mSDtfsCounter, 4498 mSDsluCounter, 5013 mSDsCounter, 0 mSdLazyCounter, 1297 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4511 SdHoareTripleChecker+Valid, 9317 SdHoareTripleChecker+Invalid, 1303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1297 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:26:06,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4511 Valid, 9317 Invalid, 1303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1297 Invalid, 5 Unknown, 0 Unchecked, 15.8s Time] [2022-11-19 07:26:06,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20270 states. [2022-11-19 07:26:08,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20270 to 20248. [2022-11-19 07:26:08,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20248 states, 11984 states have (on average 1.2757009345794392) internal successors, (15288), 12493 states have internal predecessors, (15288), 6447 states have call successors, (6447), 1785 states have call predecessors, (6447), 1783 states have return successors, (7133), 6351 states have call predecessors, (7133), 6445 states have call successors, (7133) [2022-11-19 07:26:08,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20248 states to 20248 states and 28868 transitions. [2022-11-19 07:26:08,288 INFO L78 Accepts]: Start accepts. Automaton has 20248 states and 28868 transitions. Word has length 48 [2022-11-19 07:26:08,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:26:08,289 INFO L495 AbstractCegarLoop]: Abstraction has 20248 states and 28868 transitions. [2022-11-19 07:26:08,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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) [2022-11-19 07:26:08,290 INFO L276 IsEmpty]: Start isEmpty. Operand 20248 states and 28868 transitions. [2022-11-19 07:26:08,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-19 07:26:08,291 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:26:08,291 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:26:08,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:26:08,291 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 07:26:08,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:26:08,292 INFO L85 PathProgramCache]: Analyzing trace with hash 530294061, now seen corresponding path program 1 times [2022-11-19 07:26:08,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:26:08,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22957930] [2022-11-19 07:26:08,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:26:08,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:26:08,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:26:08,888 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 07:26:08,889 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:26:08,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22957930] [2022-11-19 07:26:08,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22957930] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:26:08,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:26:08,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:26:08,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183260521] [2022-11-19 07:26:08,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:26:08,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:26:08,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:26:08,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:26:08,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:26:08,892 INFO L87 Difference]: Start difference. First operand 20248 states and 28868 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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) [2022-11-19 07:26:11,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:26:14,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:26:16,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:26:18,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:26:26,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:26:27,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:26:27,555 INFO L93 Difference]: Finished difference Result 20254 states and 28871 transitions. [2022-11-19 07:26:27,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:26:27,556 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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 53 [2022-11-19 07:26:27,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:26:27,660 INFO L225 Difference]: With dead ends: 20254 [2022-11-19 07:26:27,660 INFO L226 Difference]: Without dead ends: 20252 [2022-11-19 07:26:27,674 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 [2022-11-19 07:26:27,675 INFO L413 NwaCegarLoop]: 4445 mSDtfsCounter, 4497 mSDsluCounter, 5153 mSDsCounter, 0 mSdLazyCounter, 1369 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4508 SdHoareTripleChecker+Valid, 9598 SdHoareTripleChecker+Invalid, 1373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1369 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:26:27,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4508 Valid, 9598 Invalid, 1373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1369 Invalid, 4 Unknown, 0 Unchecked, 17.7s Time] [2022-11-19 07:26:27,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20252 states. [2022-11-19 07:26:28,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20252 to 20246. [2022-11-19 07:26:28,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20246 states, 11983 states have (on average 1.2756404906951515) internal successors, (15286), 12491 states have internal predecessors, (15286), 6447 states have call successors, (6447), 1785 states have call predecessors, (6447), 1783 states have return successors, (7133), 6351 states have call predecessors, (7133), 6445 states have call successors, (7133) [2022-11-19 07:26:29,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20246 states to 20246 states and 28866 transitions. [2022-11-19 07:26:29,134 INFO L78 Accepts]: Start accepts. Automaton has 20246 states and 28866 transitions. Word has length 53 [2022-11-19 07:26:29,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:26:29,135 INFO L495 AbstractCegarLoop]: Abstraction has 20246 states and 28866 transitions. [2022-11-19 07:26:29,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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) [2022-11-19 07:26:29,136 INFO L276 IsEmpty]: Start isEmpty. Operand 20246 states and 28866 transitions. [2022-11-19 07:26:29,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-19 07:26:29,137 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:26:29,137 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2022-11-19 07:26:29,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 07:26:29,138 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 07:26:29,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:26:29,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1686587770, now seen corresponding path program 1 times [2022-11-19 07:26:29,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:26:29,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426005198] [2022-11-19 07:26:29,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:26:29,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:26:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:26:29,664 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-19 07:26:29,664 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:26:29,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426005198] [2022-11-19 07:26:29,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426005198] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:26:29,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:26:29,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:26:29,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091707288] [2022-11-19 07:26:29,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:26:29,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:26:29,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:26:29,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:26:29,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:26:29,667 INFO L87 Difference]: Start difference. First operand 20246 states and 28866 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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) [2022-11-19 07:26:33,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:26:35,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:26:37,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:26:47,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:26:49,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:26:49,391 INFO L93 Difference]: Finished difference Result 20252 states and 28869 transitions. [2022-11-19 07:26:49,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:26:49,391 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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 53 [2022-11-19 07:26:49,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:26:49,494 INFO L225 Difference]: With dead ends: 20252 [2022-11-19 07:26:49,495 INFO L226 Difference]: Without dead ends: 20250 [2022-11-19 07:26:49,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-19 07:26:49,510 INFO L413 NwaCegarLoop]: 4298 mSDtfsCounter, 4495 mSDsluCounter, 9301 mSDsCounter, 0 mSdLazyCounter, 1887 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4505 SdHoareTripleChecker+Valid, 13599 SdHoareTripleChecker+Invalid, 1891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1887 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:26:49,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4505 Valid, 13599 Invalid, 1891 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1887 Invalid, 4 Unknown, 0 Unchecked, 18.7s Time] [2022-11-19 07:26:49,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20250 states. [2022-11-19 07:26:50,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20250 to 20244. [2022-11-19 07:26:50,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20244 states, 11982 states have (on average 1.2749958270739443) internal successors, (15277), 12489 states have internal predecessors, (15277), 6447 states have call successors, (6447), 1785 states have call predecessors, (6447), 1783 states have return successors, (7133), 6351 states have call predecessors, (7133), 6445 states have call successors, (7133) [2022-11-19 07:26:51,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20244 states to 20244 states and 28857 transitions. [2022-11-19 07:26:51,061 INFO L78 Accepts]: Start accepts. Automaton has 20244 states and 28857 transitions. Word has length 53 [2022-11-19 07:26:51,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:26:51,064 INFO L495 AbstractCegarLoop]: Abstraction has 20244 states and 28857 transitions. [2022-11-19 07:26:51,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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) [2022-11-19 07:26:51,064 INFO L276 IsEmpty]: Start isEmpty. Operand 20244 states and 28857 transitions. [2022-11-19 07:26:51,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-19 07:26:51,066 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:26:51,067 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:26:51,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 07:26:51,067 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_drivers_base_class_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 07:26:51,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:26:51,067 INFO L85 PathProgramCache]: Analyzing trace with hash -971653891, now seen corresponding path program 1 times [2022-11-19 07:26:51,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:26:51,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741620805] [2022-11-19 07:26:51,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:26:51,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:26:51,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:26:51,847 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-19 07:26:51,847 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:26:51,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741620805] [2022-11-19 07:26:51,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741620805] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:26:51,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:26:51,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 07:26:51,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394129207] [2022-11-19 07:26:51,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:26:51,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 07:26:51,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:26:51,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 07:26:51,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:26:51,849 INFO L87 Difference]: Start difference. First operand 20244 states and 28857 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 4 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-19 07:26:55,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:26:58,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:27:00,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:27:12,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:27:14,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:27:14,985 INFO L93 Difference]: Finished difference Result 27442 states and 38698 transitions. [2022-11-19 07:27:14,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 07:27:14,985 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 4 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 56 [2022-11-19 07:27:14,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:27:15,110 INFO L225 Difference]: With dead ends: 27442 [2022-11-19 07:27:15,110 INFO L226 Difference]: Without dead ends: 27132 [2022-11-19 07:27:15,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-19 07:27:15,127 INFO L413 NwaCegarLoop]: 4858 mSDtfsCounter, 4224 mSDsluCounter, 17104 mSDsCounter, 0 mSdLazyCounter, 2955 mSolverCounterSat, 52 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4232 SdHoareTripleChecker+Valid, 21962 SdHoareTripleChecker+Invalid, 3011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 2955 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:27:15,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4232 Valid, 21962 Invalid, 3011 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [52 Valid, 2955 Invalid, 4 Unknown, 0 Unchecked, 21.5s Time] [2022-11-19 07:27:15,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27132 states. [2022-11-19 07:27:16,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27132 to 19608. [2022-11-19 07:27:16,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19608 states, 11626 states have (on average 1.2748150696714262) internal successors, (14821), 12109 states have internal predecessors, (14821), 6179 states have call successors, (6179), 1773 states have call predecessors, (6179), 1771 states have return successors, (6823), 6079 states have call predecessors, (6823), 6177 states have call successors, (6823) [2022-11-19 07:27:16,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19608 states to 19608 states and 27823 transitions. [2022-11-19 07:27:16,519 INFO L78 Accepts]: Start accepts. Automaton has 19608 states and 27823 transitions. Word has length 56 [2022-11-19 07:27:16,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:27:16,519 INFO L495 AbstractCegarLoop]: Abstraction has 19608 states and 27823 transitions. [2022-11-19 07:27:16,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 4 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-19 07:27:16,520 INFO L276 IsEmpty]: Start isEmpty. Operand 19608 states and 27823 transitions. [2022-11-19 07:27:16,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-19 07:27:16,522 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:27:16,522 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:27:16,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 07:27:16,522 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 07:27:16,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:27:16,523 INFO L85 PathProgramCache]: Analyzing trace with hash -420685506, now seen corresponding path program 1 times [2022-11-19 07:27:16,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:27:16,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495257049] [2022-11-19 07:27:16,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:27:16,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:27:16,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:27:16,852 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 07:27:16,853 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:27:16,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495257049] [2022-11-19 07:27:16,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495257049] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:27:16,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:27:16,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:27:16,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186528041] [2022-11-19 07:27:16,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:27:16,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:27:16,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:27:16,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:27:16,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:27:16,856 INFO L87 Difference]: Start difference. First operand 19608 states and 27823 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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) [2022-11-19 07:27:19,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:27:22,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:27:24,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:27:28,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:27:33,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:27:34,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:27:34,818 INFO L93 Difference]: Finished difference Result 27265 states and 38495 transitions. [2022-11-19 07:27:34,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:27:34,819 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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 58 [2022-11-19 07:27:34,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:27:34,941 INFO L225 Difference]: With dead ends: 27265 [2022-11-19 07:27:34,941 INFO L226 Difference]: Without dead ends: 27263 [2022-11-19 07:27:34,954 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 [2022-11-19 07:27:34,955 INFO L413 NwaCegarLoop]: 5109 mSDtfsCounter, 4528 mSDsluCounter, 7599 mSDsCounter, 0 mSdLazyCounter, 1666 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4538 SdHoareTripleChecker+Valid, 12708 SdHoareTripleChecker+Invalid, 1671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1666 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:27:34,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4538 Valid, 12708 Invalid, 1671 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1666 Invalid, 3 Unknown, 0 Unchecked, 16.3s Time] [2022-11-19 07:27:34,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27263 states. [2022-11-19 07:27:36,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27263 to 27103. [2022-11-19 07:27:36,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27103 states, 15944 states have (on average 1.2672478675363774) internal successors, (20205), 16605 states have internal predecessors, (20205), 8571 states have call successors, (8571), 2560 states have call predecessors, (8571), 2556 states have return successors, (9555), 8431 states have call predecessors, (9555), 8569 states have call successors, (9555) [2022-11-19 07:27:36,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27103 states to 27103 states and 38331 transitions. [2022-11-19 07:27:36,914 INFO L78 Accepts]: Start accepts. Automaton has 27103 states and 38331 transitions. Word has length 58 [2022-11-19 07:27:36,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:27:36,915 INFO L495 AbstractCegarLoop]: Abstraction has 27103 states and 38331 transitions. [2022-11-19 07:27:36,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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) [2022-11-19 07:27:36,915 INFO L276 IsEmpty]: Start isEmpty. Operand 27103 states and 38331 transitions. [2022-11-19 07:27:36,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-19 07:27:36,916 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:27:36,917 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:27:36,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 07:27:36,917 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_usb_gadget_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 07:27:36,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:27:36,918 INFO L85 PathProgramCache]: Analyzing trace with hash -741106581, now seen corresponding path program 1 times [2022-11-19 07:27:36,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:27:36,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357181616] [2022-11-19 07:27:36,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:27:36,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:27:37,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:27:37,349 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-19 07:27:37,349 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:27:37,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357181616] [2022-11-19 07:27:37,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357181616] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:27:37,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:27:37,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:27:37,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821197991] [2022-11-19 07:27:37,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:27:37,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:27:37,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:27:37,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:27:37,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:27:37,353 INFO L87 Difference]: Start difference. First operand 27103 states and 38331 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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) [2022-11-19 07:27:40,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:27:42,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:27:44,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:27:46,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:27:53,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:27:54,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:27:54,703 INFO L93 Difference]: Finished difference Result 27133 states and 38366 transitions. [2022-11-19 07:27:54,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:27:54,704 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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 61 [2022-11-19 07:27:54,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:27:54,810 INFO L225 Difference]: With dead ends: 27133 [2022-11-19 07:27:54,811 INFO L226 Difference]: Without dead ends: 27131 [2022-11-19 07:27:54,823 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 [2022-11-19 07:27:54,824 INFO L413 NwaCegarLoop]: 4443 mSDtfsCounter, 4488 mSDsluCounter, 5150 mSDsCounter, 0 mSdLazyCounter, 1371 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4497 SdHoareTripleChecker+Valid, 9593 SdHoareTripleChecker+Invalid, 1375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1371 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:27:54,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4497 Valid, 9593 Invalid, 1375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1371 Invalid, 4 Unknown, 0 Unchecked, 15.7s Time] [2022-11-19 07:27:54,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27131 states. [2022-11-19 07:27:56,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27131 to 27101. [2022-11-19 07:27:56,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27101 states, 15943 states have (on average 1.2665119488176628) internal successors, (20192), 16603 states have internal predecessors, (20192), 8571 states have call successors, (8571), 2560 states have call predecessors, (8571), 2556 states have return successors, (9555), 8431 states have call predecessors, (9555), 8569 states have call successors, (9555) [2022-11-19 07:27:56,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27101 states to 27101 states and 38318 transitions. [2022-11-19 07:27:56,729 INFO L78 Accepts]: Start accepts. Automaton has 27101 states and 38318 transitions. Word has length 61 [2022-11-19 07:27:56,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:27:56,730 INFO L495 AbstractCegarLoop]: Abstraction has 27101 states and 38318 transitions. [2022-11-19 07:27:56,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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) [2022-11-19 07:27:56,730 INFO L276 IsEmpty]: Start isEmpty. Operand 27101 states and 38318 transitions. [2022-11-19 07:27:56,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-19 07:27:56,731 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:27:56,731 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:27:56,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-19 07:27:56,732 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 07:27:56,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:27:56,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1585758014, now seen corresponding path program 1 times [2022-11-19 07:27:56,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:27:56,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275119618] [2022-11-19 07:27:56,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:27:56,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:27:56,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:27:57,048 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 07:27:57,048 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:27:57,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275119618] [2022-11-19 07:27:57,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275119618] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:27:57,048 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:27:57,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:27:57,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117411923] [2022-11-19 07:27:57,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:27:57,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:27:57,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:27:57,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:27:57,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:27:57,050 INFO L87 Difference]: Start difference. First operand 27101 states and 38318 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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) [2022-11-19 07:28:00,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:28:02,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:28:04,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:28:06,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:28:12,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:28:14,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:28:14,157 INFO L93 Difference]: Finished difference Result 27107 states and 38321 transitions. [2022-11-19 07:28:14,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:28:14,158 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 63 [2022-11-19 07:28:14,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:28:14,236 INFO L225 Difference]: With dead ends: 27107 [2022-11-19 07:28:14,236 INFO L226 Difference]: Without dead ends: 27105 [2022-11-19 07:28:14,247 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 [2022-11-19 07:28:14,247 INFO L413 NwaCegarLoop]: 4297 mSDtfsCounter, 4489 mSDsluCounter, 5005 mSDsCounter, 0 mSdLazyCounter, 1297 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4500 SdHoareTripleChecker+Valid, 9302 SdHoareTripleChecker+Invalid, 1301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1297 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:28:14,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4500 Valid, 9302 Invalid, 1301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1297 Invalid, 4 Unknown, 0 Unchecked, 15.4s Time] [2022-11-19 07:28:14,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27105 states. [2022-11-19 07:28:15,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27105 to 27099. [2022-11-19 07:28:15,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27099 states, 15942 states have (on average 1.26646593902898) internal successors, (20190), 16601 states have internal predecessors, (20190), 8571 states have call successors, (8571), 2560 states have call predecessors, (8571), 2556 states have return successors, (9555), 8431 states have call predecessors, (9555), 8569 states have call successors, (9555) [2022-11-19 07:28:16,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27099 states to 27099 states and 38316 transitions. [2022-11-19 07:28:16,067 INFO L78 Accepts]: Start accepts. Automaton has 27099 states and 38316 transitions. Word has length 63 [2022-11-19 07:28:16,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:28:16,068 INFO L495 AbstractCegarLoop]: Abstraction has 27099 states and 38316 transitions. [2022-11-19 07:28:16,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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) [2022-11-19 07:28:16,068 INFO L276 IsEmpty]: Start isEmpty. Operand 27099 states and 38316 transitions. [2022-11-19 07:28:16,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-19 07:28:16,069 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:28:16,069 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:28:16,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-19 07:28:16,069 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 07:28:16,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:28:16,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1508411174, now seen corresponding path program 1 times [2022-11-19 07:28:16,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:28:16,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609543566] [2022-11-19 07:28:16,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:28:16,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:28:16,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:28:16,397 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 07:28:16,398 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:28:16,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609543566] [2022-11-19 07:28:16,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609543566] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:28:16,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:28:16,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:28:16,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284186069] [2022-11-19 07:28:16,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:28:16,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:28:16,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:28:16,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:28:16,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:28:16,400 INFO L87 Difference]: Start difference. First operand 27099 states and 38316 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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) [2022-11-19 07:28:19,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:28:21,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:28:23,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:28:25,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:28:32,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:28:33,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:28:33,645 INFO L93 Difference]: Finished difference Result 27105 states and 38319 transitions. [2022-11-19 07:28:33,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:28:33,645 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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 68 [2022-11-19 07:28:33,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:28:33,840 INFO L225 Difference]: With dead ends: 27105 [2022-11-19 07:28:33,841 INFO L226 Difference]: Without dead ends: 27103 [2022-11-19 07:28:33,848 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 [2022-11-19 07:28:33,848 INFO L413 NwaCegarLoop]: 4437 mSDtfsCounter, 4486 mSDsluCounter, 5145 mSDsCounter, 0 mSdLazyCounter, 1369 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4497 SdHoareTripleChecker+Valid, 9582 SdHoareTripleChecker+Invalid, 1373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1369 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:28:33,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4497 Valid, 9582 Invalid, 1373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1369 Invalid, 4 Unknown, 0 Unchecked, 15.5s Time] [2022-11-19 07:28:33,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27103 states. [2022-11-19 07:28:35,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27103 to 27097. [2022-11-19 07:28:35,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27097 states, 15941 states have (on average 1.2664199234677875) internal successors, (20188), 16599 states have internal predecessors, (20188), 8571 states have call successors, (8571), 2560 states have call predecessors, (8571), 2556 states have return successors, (9555), 8431 states have call predecessors, (9555), 8569 states have call successors, (9555) [2022-11-19 07:28:35,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27097 states to 27097 states and 38314 transitions. [2022-11-19 07:28:35,636 INFO L78 Accepts]: Start accepts. Automaton has 27097 states and 38314 transitions. Word has length 68 [2022-11-19 07:28:35,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:28:35,637 INFO L495 AbstractCegarLoop]: Abstraction has 27097 states and 38314 transitions. [2022-11-19 07:28:35,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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) [2022-11-19 07:28:35,637 INFO L276 IsEmpty]: Start isEmpty. Operand 27097 states and 38314 transitions. [2022-11-19 07:28:35,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-19 07:28:35,638 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:28:35,638 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:28:35,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-19 07:28:35,638 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 07:28:35,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:28:35,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1493374958, now seen corresponding path program 1 times [2022-11-19 07:28:35,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:28:35,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620927919] [2022-11-19 07:28:35,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:28:35,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:28:35,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:28:35,956 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 07:28:35,956 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:28:35,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620927919] [2022-11-19 07:28:35,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620927919] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:28:35,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:28:35,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:28:35,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319773135] [2022-11-19 07:28:35,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:28:35,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:28:35,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:28:35,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:28:35,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:28:35,959 INFO L87 Difference]: Start difference. First operand 27097 states and 38314 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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) [2022-11-19 07:28:39,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:28:41,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:28:43,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:28:50,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:28:52,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:28:52,402 INFO L93 Difference]: Finished difference Result 27103 states and 38317 transitions. [2022-11-19 07:28:52,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:28:52,410 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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 73 [2022-11-19 07:28:52,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:28:52,481 INFO L225 Difference]: With dead ends: 27103 [2022-11-19 07:28:52,481 INFO L226 Difference]: Without dead ends: 27101 [2022-11-19 07:28:52,490 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 [2022-11-19 07:28:52,490 INFO L413 NwaCegarLoop]: 4293 mSDtfsCounter, 4487 mSDsluCounter, 4997 mSDsCounter, 0 mSdLazyCounter, 1297 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4498 SdHoareTripleChecker+Valid, 9290 SdHoareTripleChecker+Invalid, 1301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1297 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:28:52,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4498 Valid, 9290 Invalid, 1301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1297 Invalid, 4 Unknown, 0 Unchecked, 14.5s Time] [2022-11-19 07:28:52,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27101 states. [2022-11-19 07:28:54,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27101 to 27095. [2022-11-19 07:28:54,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27095 states, 15940 states have (on average 1.2663739021329987) internal successors, (20186), 16597 states have internal predecessors, (20186), 8571 states have call successors, (8571), 2560 states have call predecessors, (8571), 2556 states have return successors, (9555), 8431 states have call predecessors, (9555), 8569 states have call successors, (9555) [2022-11-19 07:28:54,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27095 states to 27095 states and 38312 transitions. [2022-11-19 07:28:54,844 INFO L78 Accepts]: Start accepts. Automaton has 27095 states and 38312 transitions. Word has length 73 [2022-11-19 07:28:54,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:28:54,845 INFO L495 AbstractCegarLoop]: Abstraction has 27095 states and 38312 transitions. [2022-11-19 07:28:54,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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) [2022-11-19 07:28:54,845 INFO L276 IsEmpty]: Start isEmpty. Operand 27095 states and 38312 transitions. [2022-11-19 07:28:54,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-19 07:28:54,847 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:28:54,847 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:28:54,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-19 07:28:54,847 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 07:28:54,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:28:54,848 INFO L85 PathProgramCache]: Analyzing trace with hash 614487633, now seen corresponding path program 1 times [2022-11-19 07:28:54,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:28:54,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548057798] [2022-11-19 07:28:54,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:28:54,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:28:54,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:28:55,146 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 07:28:55,146 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:28:55,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548057798] [2022-11-19 07:28:55,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548057798] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:28:55,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:28:55,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:28:55,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897667011] [2022-11-19 07:28:55,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:28:55,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:28:55,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:28:55,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:28:55,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:28:55,149 INFO L87 Difference]: Start difference. First operand 27095 states and 38312 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (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) [2022-11-19 07:28:57,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:29:00,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:29:02,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:29:10,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:29:12,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:29:12,015 INFO L93 Difference]: Finished difference Result 27101 states and 38315 transitions. [2022-11-19 07:29:12,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:29:12,016 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (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 75 [2022-11-19 07:29:12,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:29:12,095 INFO L225 Difference]: With dead ends: 27101 [2022-11-19 07:29:12,095 INFO L226 Difference]: Without dead ends: 27099 [2022-11-19 07:29:12,106 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 [2022-11-19 07:29:12,107 INFO L413 NwaCegarLoop]: 4433 mSDtfsCounter, 4479 mSDsluCounter, 5141 mSDsCounter, 0 mSdLazyCounter, 1369 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4490 SdHoareTripleChecker+Valid, 9574 SdHoareTripleChecker+Invalid, 1373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1369 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:29:12,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4490 Valid, 9574 Invalid, 1373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1369 Invalid, 4 Unknown, 0 Unchecked, 14.7s Time] [2022-11-19 07:29:12,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27099 states. [2022-11-19 07:29:13,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27099 to 27093. [2022-11-19 07:29:13,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27093 states, 15939 states have (on average 1.2663278750235272) internal successors, (20184), 16595 states have internal predecessors, (20184), 8571 states have call successors, (8571), 2560 states have call predecessors, (8571), 2556 states have return successors, (9555), 8431 states have call predecessors, (9555), 8569 states have call successors, (9555) [2022-11-19 07:29:14,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27093 states to 27093 states and 38310 transitions. [2022-11-19 07:29:14,008 INFO L78 Accepts]: Start accepts. Automaton has 27093 states and 38310 transitions. Word has length 75 [2022-11-19 07:29:14,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:29:14,008 INFO L495 AbstractCegarLoop]: Abstraction has 27093 states and 38310 transitions. [2022-11-19 07:29:14,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (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) [2022-11-19 07:29:14,008 INFO L276 IsEmpty]: Start isEmpty. Operand 27093 states and 38310 transitions. [2022-11-19 07:29:14,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-19 07:29:14,010 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:29:14,010 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:29:14,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-19 07:29:14,010 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_net_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 07:29:14,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:29:14,011 INFO L85 PathProgramCache]: Analyzing trace with hash 114977725, now seen corresponding path program 1 times [2022-11-19 07:29:14,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:29:14,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99484293] [2022-11-19 07:29:14,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:29:14,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:29:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:29:14,264 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-11-19 07:29:14,265 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:29:14,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99484293] [2022-11-19 07:29:14,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99484293] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:29:14,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:29:14,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:29:14,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672305700] [2022-11-19 07:29:14,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:29:14,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:29:14,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:29:14,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:29:14,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:29:14,267 INFO L87 Difference]: Start difference. First operand 27093 states and 38310 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-19 07:29:17,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:29:19,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:29:21,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:29:28,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:29:29,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:29:29,502 INFO L93 Difference]: Finished difference Result 49001 states and 68827 transitions. [2022-11-19 07:29:29,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:29:29,503 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 94 [2022-11-19 07:29:29,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:29:29,599 INFO L225 Difference]: With dead ends: 49001 [2022-11-19 07:29:29,599 INFO L226 Difference]: Without dead ends: 27073 [2022-11-19 07:29:29,712 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 [2022-11-19 07:29:29,712 INFO L413 NwaCegarLoop]: 4287 mSDtfsCounter, 4489 mSDsluCounter, 708 mSDsCounter, 0 mSdLazyCounter, 717 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4498 SdHoareTripleChecker+Valid, 4995 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 717 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:29:29,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4498 Valid, 4995 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 717 Invalid, 4 Unknown, 0 Unchecked, 13.0s Time] [2022-11-19 07:29:29,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27073 states. [2022-11-19 07:29:32,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27073 to 27067. [2022-11-19 07:29:32,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27067 states, 15914 states have (on average 1.2652381550835743) internal successors, (20135), 16569 states have internal predecessors, (20135), 8571 states have call successors, (8571), 2560 states have call predecessors, (8571), 2556 states have return successors, (9555), 8431 states have call predecessors, (9555), 8569 states have call successors, (9555) [2022-11-19 07:29:32,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27067 states to 27067 states and 38261 transitions. [2022-11-19 07:29:32,298 INFO L78 Accepts]: Start accepts. Automaton has 27067 states and 38261 transitions. Word has length 94 [2022-11-19 07:29:32,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:29:32,302 INFO L495 AbstractCegarLoop]: Abstraction has 27067 states and 38261 transitions. [2022-11-19 07:29:32,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-19 07:29:32,302 INFO L276 IsEmpty]: Start isEmpty. Operand 27067 states and 38261 transitions. [2022-11-19 07:29:32,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-19 07:29:32,304 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:29:32,304 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 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] [2022-11-19 07:29:32,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-19 07:29:32,305 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_drivers_base_class_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 07:29:32,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:29:32,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1506861251, now seen corresponding path program 1 times [2022-11-19 07:29:32,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:29:32,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964248701] [2022-11-19 07:29:32,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:29:32,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:29:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:29:33,283 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-19 07:29:33,283 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:29:33,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964248701] [2022-11-19 07:29:33,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964248701] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:29:33,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:29:33,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-19 07:29:33,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660832963] [2022-11-19 07:29:33,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:29:33,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 07:29:33,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:29:33,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 07:29:33,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-19 07:29:33,285 INFO L87 Difference]: Start difference. First operand 27067 states and 38261 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 4 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 5 states have call predecessors, (13), 4 states have call successors, (13) [2022-11-19 07:29:37,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:29:40,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:29:42,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:29:45,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:29:59,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:30:02,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:30:02,928 INFO L93 Difference]: Finished difference Result 56317 states and 79100 transitions. [2022-11-19 07:30:02,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 07:30:02,929 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 4 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 5 states have call predecessors, (13), 4 states have call successors, (13) Word has length 78 [2022-11-19 07:30:02,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:30:03,078 INFO L225 Difference]: With dead ends: 56317 [2022-11-19 07:30:03,078 INFO L226 Difference]: Without dead ends: 40845 [2022-11-19 07:30:03,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-19 07:30:03,136 INFO L413 NwaCegarLoop]: 4916 mSDtfsCounter, 4665 mSDsluCounter, 21967 mSDsCounter, 0 mSdLazyCounter, 3780 mSolverCounterSat, 221 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4683 SdHoareTripleChecker+Valid, 26883 SdHoareTripleChecker+Invalid, 4005 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 221 IncrementalHoareTripleChecker+Valid, 3780 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:30:03,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4683 Valid, 26883 Invalid, 4005 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [221 Valid, 3780 Invalid, 4 Unknown, 0 Unchecked, 26.0s Time] [2022-11-19 07:30:03,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40845 states. [2022-11-19 07:30:06,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40845 to 40475. [2022-11-19 07:30:06,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40475 states, 23666 states have (on average 1.2594861827093722) internal successors, (29807), 24645 states have internal predecessors, (29807), 12775 states have call successors, (12775), 4012 states have call predecessors, (12775), 4008 states have return successors, (14399), 12551 states have call predecessors, (14399), 12773 states have call successors, (14399) [2022-11-19 07:30:06,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40475 states to 40475 states and 56981 transitions. [2022-11-19 07:30:06,374 INFO L78 Accepts]: Start accepts. Automaton has 40475 states and 56981 transitions. Word has length 78 [2022-11-19 07:30:06,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:30:06,374 INFO L495 AbstractCegarLoop]: Abstraction has 40475 states and 56981 transitions. [2022-11-19 07:30:06,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 4 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 5 states have call predecessors, (13), 4 states have call successors, (13) [2022-11-19 07:30:06,375 INFO L276 IsEmpty]: Start isEmpty. Operand 40475 states and 56981 transitions. [2022-11-19 07:30:06,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-19 07:30:06,377 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:30:06,377 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:30:06,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-19 07:30:06,378 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 07:30:06,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:30:06,378 INFO L85 PathProgramCache]: Analyzing trace with hash -570690324, now seen corresponding path program 1 times [2022-11-19 07:30:06,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:30:06,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317814195] [2022-11-19 07:30:06,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:30:06,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:30:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:30:06,956 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-11-19 07:30:06,956 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:30:06,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317814195] [2022-11-19 07:30:06,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317814195] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:30:06,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:30:06,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:30:06,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310506108] [2022-11-19 07:30:06,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:30:06,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:30:06,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:30:06,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:30:06,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:30:06,958 INFO L87 Difference]: Start difference. First operand 40475 states and 56981 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-19 07:30:10,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:30:12,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:30:14,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:30:27,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:30:29,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:30:31,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:30:34,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:30:34,665 INFO L93 Difference]: Finished difference Result 57786 states and 81425 transitions. [2022-11-19 07:30:34,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 07:30:34,665 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 103 [2022-11-19 07:30:34,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:30:34,913 INFO L225 Difference]: With dead ends: 57786 [2022-11-19 07:30:34,914 INFO L226 Difference]: Without dead ends: 57784 [2022-11-19 07:30:34,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-19 07:30:34,936 INFO L413 NwaCegarLoop]: 4952 mSDtfsCounter, 4413 mSDsluCounter, 12200 mSDsCounter, 0 mSdLazyCounter, 2309 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4419 SdHoareTripleChecker+Valid, 17152 SdHoareTripleChecker+Invalid, 2316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2309 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:30:34,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4419 Valid, 17152 Invalid, 2316 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2309 Invalid, 5 Unknown, 0 Unchecked, 23.3s Time] [2022-11-19 07:30:34,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57784 states. [2022-11-19 07:30:41,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57784 to 57534. [2022-11-19 07:30:41,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57534 states, 33503 states have (on average 1.2517684983434318) internal successors, (41938), 34918 states have internal predecessors, (41938), 17787 states have call successors, (17787), 6270 states have call predecessors, (17787), 6218 states have return successors, (21406), 17367 states have call predecessors, (21406), 17785 states have call successors, (21406) [2022-11-19 07:30:41,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57534 states to 57534 states and 81131 transitions. [2022-11-19 07:30:41,573 INFO L78 Accepts]: Start accepts. Automaton has 57534 states and 81131 transitions. Word has length 103 [2022-11-19 07:30:41,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:30:41,574 INFO L495 AbstractCegarLoop]: Abstraction has 57534 states and 81131 transitions. [2022-11-19 07:30:41,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-19 07:30:41,574 INFO L276 IsEmpty]: Start isEmpty. Operand 57534 states and 81131 transitions. [2022-11-19 07:30:41,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-19 07:30:41,577 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:30:41,577 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:30:41,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-19 07:30:41,577 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 07:30:41,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:30:41,578 INFO L85 PathProgramCache]: Analyzing trace with hash 2085101913, now seen corresponding path program 1 times [2022-11-19 07:30:41,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:30:41,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833233823] [2022-11-19 07:30:41,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:30:41,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:30:41,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:30:41,872 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 07:30:41,873 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:30:41,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833233823] [2022-11-19 07:30:41,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833233823] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:30:41,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:30:41,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:30:41,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338895419] [2022-11-19 07:30:41,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:30:41,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:30:41,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:30:41,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:30:41,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:30:41,875 INFO L87 Difference]: Start difference. First operand 57534 states and 81131 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (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) [2022-11-19 07:30:45,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:30:47,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:30:49,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:30:59,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:31:02,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:31:02,383 INFO L93 Difference]: Finished difference Result 57540 states and 81134 transitions. [2022-11-19 07:31:02,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:31:02,384 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (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 80 [2022-11-19 07:31:02,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:31:02,573 INFO L225 Difference]: With dead ends: 57540 [2022-11-19 07:31:02,574 INFO L226 Difference]: Without dead ends: 57538 [2022-11-19 07:31:02,594 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 [2022-11-19 07:31:02,594 INFO L413 NwaCegarLoop]: 4246 mSDtfsCounter, 4473 mSDsluCounter, 4954 mSDsCounter, 0 mSdLazyCounter, 1281 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4484 SdHoareTripleChecker+Valid, 9200 SdHoareTripleChecker+Invalid, 1285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1281 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:31:02,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4484 Valid, 9200 Invalid, 1285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1281 Invalid, 4 Unknown, 0 Unchecked, 15.8s Time] [2022-11-19 07:31:02,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57538 states. [2022-11-19 07:31:07,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57538 to 57532. [2022-11-19 07:31:07,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57532 states, 33502 states have (on average 1.251746164408095) internal successors, (41936), 34916 states have internal predecessors, (41936), 17787 states have call successors, (17787), 6270 states have call predecessors, (17787), 6218 states have return successors, (21406), 17367 states have call predecessors, (21406), 17785 states have call successors, (21406) [2022-11-19 07:31:07,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57532 states to 57532 states and 81129 transitions. [2022-11-19 07:31:07,923 INFO L78 Accepts]: Start accepts. Automaton has 57532 states and 81129 transitions. Word has length 80 [2022-11-19 07:31:07,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:31:07,924 INFO L495 AbstractCegarLoop]: Abstraction has 57532 states and 81129 transitions. [2022-11-19 07:31:07,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (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) [2022-11-19 07:31:07,924 INFO L276 IsEmpty]: Start isEmpty. Operand 57532 states and 81129 transitions. [2022-11-19 07:31:07,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-19 07:31:07,925 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:31:07,926 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:31:07,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-19 07:31:07,926 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 07:31:07,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:31:07,926 INFO L85 PathProgramCache]: Analyzing trace with hash -2078166474, now seen corresponding path program 1 times [2022-11-19 07:31:07,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:31:07,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866560577] [2022-11-19 07:31:07,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:31:07,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:31:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:31:08,223 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 07:31:08,223 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:31:08,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866560577] [2022-11-19 07:31:08,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866560577] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:31:08,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:31:08,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:31:08,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19129479] [2022-11-19 07:31:08,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:31:08,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:31:08,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:31:08,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:31:08,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:31:08,225 INFO L87 Difference]: Start difference. First operand 57532 states and 81129 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (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) [2022-11-19 07:31:11,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:31:13,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:31:15,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:31:17,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers []