./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9d4cee005db193e9c1facb47684505767d12f23c1b879219be0e7ba3c7b775ac --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 00:09:29,921 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:09:29,923 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:09:29,944 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:09:29,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:09:29,946 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:09:29,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:09:29,949 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:09:29,951 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:09:29,952 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:09:29,953 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:09:29,954 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:09:29,955 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:09:29,956 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:09:29,957 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:09:29,959 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:09:29,960 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:09:29,961 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:09:29,963 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:09:29,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:09:29,967 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:09:29,968 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:09:29,970 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:09:29,971 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:09:29,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:09:29,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:09:29,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:09:29,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:09:29,978 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:09:29,979 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:09:29,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:09:29,981 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:09:29,982 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:09:29,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:09:29,985 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:09:29,985 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:09:29,986 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:09:29,987 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:09:29,987 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:09:29,988 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:09:29,989 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:09:29,990 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 00:09:30,015 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:09:30,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:09:30,017 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 00:09:30,017 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 00:09:30,018 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:09:30,018 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 00:09:30,018 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 00:09:30,019 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 00:09:30,019 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 00:09:30,019 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 00:09:30,020 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 00:09:30,020 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 00:09:30,020 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 00:09:30,021 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 00:09:30,021 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 00:09:30,021 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 00:09:30,022 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 00:09:30,022 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 00:09:30,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:09:30,023 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 00:09:30,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:09:30,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:09:30,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:09:30,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:09:30,025 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:09:30,025 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:09:30,025 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:09:30,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:09:30,026 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 00:09:30,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:09:30,026 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:09:30,027 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 00:09:30,027 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:09:30,027 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:09:30,027 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 00:09:30,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 00:09:30,028 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:09:30,028 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 00:09:30,028 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_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/bin/utaipan-g80aRyZoba/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d4cee005db193e9c1facb47684505767d12f23c1b879219be0e7ba3c7b775ac [2022-11-22 00:09:30,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:09:30,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:09:30,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:09:30,346 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:09:30,350 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:09:30,352 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i [2022-11-22 00:09:33,506 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:09:34,226 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:09:34,226 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i [2022-11-22 00:09:34,280 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/bin/utaipan-g80aRyZoba/data/5a0bf53f0/47039ef6f4924980aa89b8494507185f/FLAG117a29d40 [2022-11-22 00:09:34,301 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/bin/utaipan-g80aRyZoba/data/5a0bf53f0/47039ef6f4924980aa89b8494507185f [2022-11-22 00:09:34,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:09:34,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:09:34,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:09:34,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:09:34,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:09:34,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:09:34" (1/1) ... [2022-11-22 00:09:34,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56611d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:09:34, skipping insertion in model container [2022-11-22 00:09:34,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:09:34" (1/1) ... [2022-11-22 00:09:34,328 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:09:34,504 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:09:38,001 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[364624,364637] [2022-11-22 00:09:38,014 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[364769,364782] [2022-11-22 00:09:38,014 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[364915,364928] [2022-11-22 00:09:38,015 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365080,365093] [2022-11-22 00:09:38,016 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365238,365251] [2022-11-22 00:09:38,016 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365396,365409] [2022-11-22 00:09:38,016 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365554,365567] [2022-11-22 00:09:38,017 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365714,365727] [2022-11-22 00:09:38,018 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365873,365886] [2022-11-22 00:09:38,018 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366012,366025] [2022-11-22 00:09:38,019 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366154,366167] [2022-11-22 00:09:38,020 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366303,366316] [2022-11-22 00:09:38,021 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366442,366455] [2022-11-22 00:09:38,022 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366597,366610] [2022-11-22 00:09:38,022 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366757,366770] [2022-11-22 00:09:38,023 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366908,366921] [2022-11-22 00:09:38,024 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367059,367072] [2022-11-22 00:09:38,024 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367211,367224] [2022-11-22 00:09:38,025 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367360,367373] [2022-11-22 00:09:38,025 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367508,367521] [2022-11-22 00:09:38,026 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367665,367678] [2022-11-22 00:09:38,026 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367814,367827] [2022-11-22 00:09:38,027 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367970,367983] [2022-11-22 00:09:38,028 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368123,368136] [2022-11-22 00:09:38,029 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368269,368282] [2022-11-22 00:09:38,029 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368412,368425] [2022-11-22 00:09:38,030 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368564,368577] [2022-11-22 00:09:38,031 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368710,368723] [2022-11-22 00:09:38,032 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368855,368868] [2022-11-22 00:09:38,032 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369009,369022] [2022-11-22 00:09:38,033 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369160,369173] [2022-11-22 00:09:38,034 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369315,369328] [2022-11-22 00:09:38,034 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369467,369480] [2022-11-22 00:09:38,036 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369622,369635] [2022-11-22 00:09:38,036 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369786,369799] [2022-11-22 00:09:38,038 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369942,369955] [2022-11-22 00:09:38,038 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370106,370119] [2022-11-22 00:09:38,039 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370248,370261] [2022-11-22 00:09:38,039 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370406,370419] [2022-11-22 00:09:38,039 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370573,370586] [2022-11-22 00:09:38,040 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370732,370745] [2022-11-22 00:09:38,042 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370891,370904] [2022-11-22 00:09:38,042 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371040,371053] [2022-11-22 00:09:38,043 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371187,371200] [2022-11-22 00:09:38,044 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371326,371339] [2022-11-22 00:09:38,044 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371489,371502] [2022-11-22 00:09:38,045 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371655,371668] [2022-11-22 00:09:38,046 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371819,371832] [2022-11-22 00:09:38,080 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371984,371997] [2022-11-22 00:09:38,081 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372149,372162] [2022-11-22 00:09:38,082 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372315,372328] [2022-11-22 00:09:38,082 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372480,372493] [2022-11-22 00:09:38,082 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372647,372660] [2022-11-22 00:09:38,083 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372807,372820] [2022-11-22 00:09:38,083 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372969,372982] [2022-11-22 00:09:38,084 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373128,373141] [2022-11-22 00:09:38,084 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373274,373287] [2022-11-22 00:09:38,084 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373417,373430] [2022-11-22 00:09:38,085 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373561,373574] [2022-11-22 00:09:38,085 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373704,373717] [2022-11-22 00:09:38,086 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373848,373861] [2022-11-22 00:09:38,086 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373989,374002] [2022-11-22 00:09:38,087 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374127,374140] [2022-11-22 00:09:38,087 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374285,374298] [2022-11-22 00:09:38,089 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374444,374457] [2022-11-22 00:09:38,090 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374600,374613] [2022-11-22 00:09:38,091 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374749,374762] [2022-11-22 00:09:38,092 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374901,374914] [2022-11-22 00:09:38,092 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375052,375065] [2022-11-22 00:09:38,094 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375201,375214] [2022-11-22 00:09:38,094 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375353,375366] [2022-11-22 00:09:38,095 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375501,375514] [2022-11-22 00:09:38,096 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375654,375667] [2022-11-22 00:09:38,096 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375805,375818] [2022-11-22 00:09:38,097 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375955,375968] [2022-11-22 00:09:38,097 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376102,376115] [2022-11-22 00:09:38,098 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376253,376266] [2022-11-22 00:09:38,098 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376404,376417] [2022-11-22 00:09:38,099 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376552,376565] [2022-11-22 00:09:38,099 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376718,376731] [2022-11-22 00:09:38,100 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376887,376900] [2022-11-22 00:09:38,100 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377054,377067] [2022-11-22 00:09:38,101 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377222,377235] [2022-11-22 00:09:38,101 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377372,377385] [2022-11-22 00:09:38,103 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377519,377532] [2022-11-22 00:09:38,103 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377680,377693] [2022-11-22 00:09:38,104 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377850,377863] [2022-11-22 00:09:38,106 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[378012,378025] [2022-11-22 00:09:38,119 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:09:38,161 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 00:09:38,635 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[364624,364637] [2022-11-22 00:09:38,636 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[364769,364782] [2022-11-22 00:09:38,637 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[364915,364928] [2022-11-22 00:09:38,637 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365080,365093] [2022-11-22 00:09:38,637 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365238,365251] [2022-11-22 00:09:38,638 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365396,365409] [2022-11-22 00:09:38,643 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365554,365567] [2022-11-22 00:09:38,643 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365714,365727] [2022-11-22 00:09:38,644 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365873,365886] [2022-11-22 00:09:38,644 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366012,366025] [2022-11-22 00:09:38,645 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366154,366167] [2022-11-22 00:09:38,645 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366303,366316] [2022-11-22 00:09:38,646 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366442,366455] [2022-11-22 00:09:38,646 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366597,366610] [2022-11-22 00:09:38,647 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366757,366770] [2022-11-22 00:09:38,647 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366908,366921] [2022-11-22 00:09:38,647 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367059,367072] [2022-11-22 00:09:38,648 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367211,367224] [2022-11-22 00:09:38,648 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367360,367373] [2022-11-22 00:09:38,649 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367508,367521] [2022-11-22 00:09:38,650 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367665,367678] [2022-11-22 00:09:38,650 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367814,367827] [2022-11-22 00:09:38,651 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367970,367983] [2022-11-22 00:09:38,651 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368123,368136] [2022-11-22 00:09:38,652 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368269,368282] [2022-11-22 00:09:38,652 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368412,368425] [2022-11-22 00:09:38,653 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368564,368577] [2022-11-22 00:09:38,654 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368710,368723] [2022-11-22 00:09:38,654 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368855,368868] [2022-11-22 00:09:38,655 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369009,369022] [2022-11-22 00:09:38,655 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369160,369173] [2022-11-22 00:09:38,655 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369315,369328] [2022-11-22 00:09:38,656 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369467,369480] [2022-11-22 00:09:38,656 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369622,369635] [2022-11-22 00:09:38,657 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369786,369799] [2022-11-22 00:09:38,657 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369942,369955] [2022-11-22 00:09:38,658 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370106,370119] [2022-11-22 00:09:38,659 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370248,370261] [2022-11-22 00:09:38,659 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370406,370419] [2022-11-22 00:09:38,660 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370573,370586] [2022-11-22 00:09:38,661 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370732,370745] [2022-11-22 00:09:38,661 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370891,370904] [2022-11-22 00:09:38,662 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371040,371053] [2022-11-22 00:09:38,662 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371187,371200] [2022-11-22 00:09:38,663 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371326,371339] [2022-11-22 00:09:38,663 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371489,371502] [2022-11-22 00:09:38,663 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371655,371668] [2022-11-22 00:09:38,664 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371819,371832] [2022-11-22 00:09:38,664 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371984,371997] [2022-11-22 00:09:38,664 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372149,372162] [2022-11-22 00:09:38,665 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372315,372328] [2022-11-22 00:09:38,665 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372480,372493] [2022-11-22 00:09:38,666 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372647,372660] [2022-11-22 00:09:38,666 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372807,372820] [2022-11-22 00:09:38,667 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372969,372982] [2022-11-22 00:09:38,668 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373128,373141] [2022-11-22 00:09:38,672 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373274,373287] [2022-11-22 00:09:38,673 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373417,373430] [2022-11-22 00:09:38,677 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373561,373574] [2022-11-22 00:09:38,678 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373704,373717] [2022-11-22 00:09:38,679 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373848,373861] [2022-11-22 00:09:38,680 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373989,374002] [2022-11-22 00:09:38,681 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374127,374140] [2022-11-22 00:09:38,682 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374285,374298] [2022-11-22 00:09:38,682 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374444,374457] [2022-11-22 00:09:38,688 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374600,374613] [2022-11-22 00:09:38,688 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374749,374762] [2022-11-22 00:09:38,689 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374901,374914] [2022-11-22 00:09:38,690 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375052,375065] [2022-11-22 00:09:38,690 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375201,375214] [2022-11-22 00:09:38,691 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375353,375366] [2022-11-22 00:09:38,694 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375501,375514] [2022-11-22 00:09:38,694 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375654,375667] [2022-11-22 00:09:38,695 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375805,375818] [2022-11-22 00:09:38,696 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375955,375968] [2022-11-22 00:09:38,696 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376102,376115] [2022-11-22 00:09:38,697 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376253,376266] [2022-11-22 00:09:38,697 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376404,376417] [2022-11-22 00:09:38,698 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376552,376565] [2022-11-22 00:09:38,699 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376718,376731] [2022-11-22 00:09:38,700 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376887,376900] [2022-11-22 00:09:38,700 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377054,377067] [2022-11-22 00:09:38,701 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377222,377235] [2022-11-22 00:09:38,701 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377372,377385] [2022-11-22 00:09:38,701 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377519,377532] [2022-11-22 00:09:38,702 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377680,377693] [2022-11-22 00:09:38,702 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377850,377863] [2022-11-22 00:09:38,702 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[378012,378025] [2022-11-22 00:09:38,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:09:38,910 INFO L208 MainTranslator]: Completed translation [2022-11-22 00:09:38,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:09:38 WrapperNode [2022-11-22 00:09:38,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 00:09:38,912 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 00:09:38,912 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 00:09:38,912 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 00:09:38,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:09:38" (1/1) ... [2022-11-22 00:09:39,016 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:09:38" (1/1) ... [2022-11-22 00:09:39,299 INFO L138 Inliner]: procedures = 599, calls = 2936, calls flagged for inlining = 294, calls inlined = 217, statements flattened = 6259 [2022-11-22 00:09:39,299 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 00:09:39,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 00:09:39,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 00:09:39,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 00:09:39,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:09:38" (1/1) ... [2022-11-22 00:09:39,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:09:38" (1/1) ... [2022-11-22 00:09:39,339 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:09:38" (1/1) ... [2022-11-22 00:09:39,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:09:38" (1/1) ... [2022-11-22 00:09:39,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:09:38" (1/1) ... [2022-11-22 00:09:39,510 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:09:38" (1/1) ... [2022-11-22 00:09:39,536 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:09:38" (1/1) ... [2022-11-22 00:09:39,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:09:38" (1/1) ... [2022-11-22 00:09:39,579 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 00:09:39,580 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 00:09:39,580 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 00:09:39,580 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 00:09:39,581 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:09:38" (1/1) ... [2022-11-22 00:09:39,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:09:39,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:09:39,618 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 00:09:39,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 00:09:39,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-22 00:09:39,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-22 00:09:39,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-22 00:09:39,670 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-22 00:09:39,670 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_get_frame [2022-11-22 00:09:39,670 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_get_frame [2022-11-22 00:09:39,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 00:09:39,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 00:09:39,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-22 00:09:39,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-22 00:09:39,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-22 00:09:39,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-22 00:09:39,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-22 00:09:39,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-22 00:09:39,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-22 00:09:39,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-22 00:09:39,671 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-22 00:09:39,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-22 00:09:39,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_isp116x [2022-11-22 00:09:39,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_isp116x [2022-11-22 00:09:39,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-22 00:09:39,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-22 00:09:39,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-22 00:09:39,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-22 00:09:39,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-22 00:09:39,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-22 00:09:39,673 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_read_reg32 [2022-11-22 00:09:39,673 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_read_reg32 [2022-11-22 00:09:39,673 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-11-22 00:09:39,673 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-11-22 00:09:39,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 00:09:39,674 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_raw_write_data16 [2022-11-22 00:09:39,674 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_raw_write_data16 [2022-11-22 00:09:39,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-22 00:09:39,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-22 00:09:39,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-22 00:09:39,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-22 00:09:39,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-22 00:09:39,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-22 00:09:39,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-22 00:09:39,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-22 00:09:39,675 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2022-11-22 00:09:39,675 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2022-11-22 00:09:39,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 00:09:39,675 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_read_data16 [2022-11-22 00:09:39,676 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_read_data16 [2022-11-22 00:09:39,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-22 00:09:39,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-22 00:09:39,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-22 00:09:39,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-22 00:09:39,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_122 [2022-11-22 00:09:39,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_122 [2022-11-22 00:09:39,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-22 00:09:39,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-22 00:09:39,677 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_hub_control [2022-11-22 00:09:39,677 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_hub_control [2022-11-22 00:09:39,677 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_reset [2022-11-22 00:09:39,677 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_reset [2022-11-22 00:09:39,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-22 00:09:39,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-22 00:09:39,678 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_isp116x [2022-11-22 00:09:39,678 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_isp116x [2022-11-22 00:09:39,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-22 00:09:39,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-22 00:09:39,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 00:09:39,684 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-22 00:09:39,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-22 00:09:39,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 00:09:39,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-22 00:09:39,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-22 00:09:39,684 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-22 00:09:39,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-22 00:09:39,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 00:09:39,685 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 00:09:39,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 00:09:39,687 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-22 00:09:39,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-22 00:09:39,687 INFO L130 BoogieDeclarations]: Found specification of procedure usb_remove_hcd [2022-11-22 00:09:39,688 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_remove_hcd [2022-11-22 00:09:39,688 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_bus_resume [2022-11-22 00:09:39,688 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_bus_resume [2022-11-22 00:09:39,688 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-22 00:09:39,688 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-22 00:09:39,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-22 00:09:39,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-22 00:09:39,689 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_start [2022-11-22 00:09:39,689 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_start [2022-11-22 00:09:39,689 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-22 00:09:39,689 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-22 00:09:39,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 00:09:39,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 00:09:39,689 INFO L130 BoogieDeclarations]: Found specification of procedure finish_request [2022-11-22 00:09:39,689 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_request [2022-11-22 00:09:39,690 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_write_reg16 [2022-11-22 00:09:39,690 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_write_reg16 [2022-11-22 00:09:39,690 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-22 00:09:39,690 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-22 00:09:39,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 00:09:39,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 00:09:39,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-22 00:09:39,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-22 00:09:39,691 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-22 00:09:39,691 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-22 00:09:39,691 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_write_reg32 [2022-11-22 00:09:39,691 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_write_reg32 [2022-11-22 00:09:39,691 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_sw_reset [2022-11-22 00:09:39,691 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_sw_reset [2022-11-22 00:09:39,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-22 00:09:39,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-22 00:09:39,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_isp116x [2022-11-22 00:09:39,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_isp116x [2022-11-22 00:09:39,693 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2022-11-22 00:09:39,693 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2022-11-22 00:09:39,693 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_write_addr [2022-11-22 00:09:39,693 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_write_addr [2022-11-22 00:09:39,693 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_to_hcd [2022-11-22 00:09:39,694 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_to_hcd [2022-11-22 00:09:39,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-22 00:09:39,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-22 00:09:39,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-22 00:09:39,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-22 00:09:39,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 00:09:39,694 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-22 00:09:39,695 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-22 00:09:39,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-22 00:09:39,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-22 00:09:39,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 00:09:39,743 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-11-22 00:09:39,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-11-22 00:09:39,743 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-11-22 00:09:39,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-11-22 00:09:39,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_101 [2022-11-22 00:09:39,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_101 [2022-11-22 00:09:39,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 00:09:39,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-22 00:09:39,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-22 00:09:39,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-22 00:09:39,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-22 00:09:39,744 INFO L130 BoogieDeclarations]: Found specification of procedure start_atl_transfers [2022-11-22 00:09:39,744 INFO L138 BoogieDeclarations]: Found implementation of procedure start_atl_transfers [2022-11-22 00:09:39,744 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2022-11-22 00:09:39,744 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2022-11-22 00:09:39,745 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_probe [2022-11-22 00:09:39,745 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_probe [2022-11-22 00:09:39,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-22 00:09:39,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-22 00:09:39,745 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_write_data16 [2022-11-22 00:09:39,745 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_write_data16 [2022-11-22 00:09:39,745 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-22 00:09:39,745 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-22 00:09:39,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-22 00:09:39,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-22 00:09:39,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-22 00:09:39,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-22 00:09:39,746 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-22 00:09:39,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-22 00:09:39,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-22 00:09:39,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-22 00:09:39,746 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-22 00:09:39,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-22 00:09:39,746 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-22 00:09:39,746 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-22 00:09:39,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 00:09:39,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-22 00:09:39,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-22 00:09:39,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 00:09:39,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 00:09:39,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_96 [2022-11-22 00:09:39,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_96 [2022-11-22 00:09:39,747 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_read_reg16 [2022-11-22 00:09:39,747 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_read_reg16 [2022-11-22 00:09:39,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-22 00:09:39,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-22 00:09:39,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_95 [2022-11-22 00:09:39,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_95 [2022-11-22 00:09:39,748 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_stop [2022-11-22 00:09:39,748 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_stop [2022-11-22 00:09:39,748 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_bus_suspend [2022-11-22 00:09:39,748 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_bus_suspend [2022-11-22 00:09:39,748 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_raw_read_data16 [2022-11-22 00:09:39,748 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_raw_read_data16 [2022-11-22 00:09:39,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-22 00:09:39,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-22 00:09:39,749 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_resume [2022-11-22 00:09:39,749 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_resume [2022-11-22 00:09:39,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-22 00:09:39,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-22 00:09:39,749 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-22 00:09:39,749 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-22 00:09:39,749 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-22 00:09:39,749 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-22 00:09:39,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_121 [2022-11-22 00:09:39,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_121 [2022-11-22 00:09:39,749 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_remove [2022-11-22 00:09:39,749 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_remove [2022-11-22 00:09:39,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 00:09:39,750 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-22 00:09:39,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-11-22 00:09:39,750 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2022-11-22 00:09:39,750 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2022-11-22 00:09:40,585 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 00:09:40,594 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 00:09:40,963 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 00:09:47,389 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 00:09:48,893 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 00:09:48,893 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-22 00:09:48,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:09:48 BoogieIcfgContainer [2022-11-22 00:09:48,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 00:09:48,905 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 00:09:48,905 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 00:09:48,909 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 00:09:48,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:09:34" (1/3) ... [2022-11-22 00:09:48,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e07aaea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:09:48, skipping insertion in model container [2022-11-22 00:09:48,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:09:38" (2/3) ... [2022-11-22 00:09:48,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e07aaea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:09:48, skipping insertion in model container [2022-11-22 00:09:48,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:09:48" (3/3) ... [2022-11-22 00:09:48,916 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i [2022-11-22 00:09:48,941 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 00:09:48,941 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-11-22 00:09:49,159 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 00:09:49,165 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;@45fec13e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 00:09:49,178 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2022-11-22 00:09:49,192 INFO L276 IsEmpty]: Start isEmpty. Operand has 1602 states, 934 states have (on average 1.3340471092077089) internal successors, (1246), 1004 states have internal predecessors, (1246), 547 states have call successors, (547), 94 states have call predecessors, (547), 93 states have return successors, (540), 532 states have call predecessors, (540), 540 states have call successors, (540) [2022-11-22 00:09:49,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-22 00:09:49,220 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:09:49,221 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:09:49,222 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 00:09:49,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:09:49,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1043739484, now seen corresponding path program 1 times [2022-11-22 00:09:49,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:09:49,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440248172] [2022-11-22 00:09:49,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:09:49,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:09:49,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:09:50,296 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 00:09:50,302 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:09:50,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440248172] [2022-11-22 00:09:50,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440248172] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:09:50,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:09:50,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:09:50,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352581056] [2022-11-22 00:09:50,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:09:50,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:09:50,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:09:50,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:09:50,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:09:50,361 INFO L87 Difference]: Start difference. First operand has 1602 states, 934 states have (on average 1.3340471092077089) internal successors, (1246), 1004 states have internal predecessors, (1246), 547 states have call successors, (547), 94 states have call predecessors, (547), 93 states have return successors, (540), 532 states have call predecessors, (540), 540 states have call successors, (540) Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-22 00:09:55,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:09:58,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:10:00,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:10:00,309 INFO L93 Difference]: Finished difference Result 4701 states and 7163 transitions. [2022-11-22 00:10:00,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 00:10:00,312 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 47 [2022-11-22 00:10:00,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:10:00,356 INFO L225 Difference]: With dead ends: 4701 [2022-11-22 00:10:00,356 INFO L226 Difference]: Without dead ends: 3092 [2022-11-22 00:10:00,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:10:00,381 INFO L413 NwaCegarLoop]: 2514 mSDtfsCounter, 2193 mSDsluCounter, 4520 mSDsCounter, 0 mSdLazyCounter, 886 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2195 SdHoareTripleChecker+Valid, 7034 SdHoareTripleChecker+Invalid, 887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 886 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-11-22 00:10:00,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2195 Valid, 7034 Invalid, 887 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 886 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2022-11-22 00:10:00,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3092 states. [2022-11-22 00:10:00,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3092 to 2918. [2022-11-22 00:10:00,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2918 states, 1715 states have (on average 1.3037900874635568) internal successors, (2236), 1816 states have internal predecessors, (2236), 1013 states have call successors, (1013), 164 states have call predecessors, (1013), 162 states have return successors, (1037), 990 states have call predecessors, (1037), 1011 states have call successors, (1037) [2022-11-22 00:10:00,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2918 states to 2918 states and 4286 transitions. [2022-11-22 00:10:00,721 INFO L78 Accepts]: Start accepts. Automaton has 2918 states and 4286 transitions. Word has length 47 [2022-11-22 00:10:00,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:10:00,722 INFO L495 AbstractCegarLoop]: Abstraction has 2918 states and 4286 transitions. [2022-11-22 00:10:00,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-22 00:10:00,723 INFO L276 IsEmpty]: Start isEmpty. Operand 2918 states and 4286 transitions. [2022-11-22 00:10:00,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-22 00:10:00,726 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:10:00,726 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:10:00,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 00:10:00,728 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 00:10:00,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:10:00,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1313783226, now seen corresponding path program 1 times [2022-11-22 00:10:00,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:10:00,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992907824] [2022-11-22 00:10:00,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:10:00,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:10:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:10:01,459 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 00:10:01,459 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:10:01,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992907824] [2022-11-22 00:10:01,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992907824] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:10:01,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:10:01,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:10:01,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092946808] [2022-11-22 00:10:01,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:10:01,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:10:01,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:10:01,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:10:01,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:10:01,463 INFO L87 Difference]: Start difference. First operand 2918 states and 4286 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-22 00:10:04,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:10:06,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:10:06,156 INFO L93 Difference]: Finished difference Result 2918 states and 4286 transitions. [2022-11-22 00:10:06,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 00:10:06,158 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 52 [2022-11-22 00:10:06,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:10:06,182 INFO L225 Difference]: With dead ends: 2918 [2022-11-22 00:10:06,182 INFO L226 Difference]: Without dead ends: 2916 [2022-11-22 00:10:06,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:10:06,187 INFO L413 NwaCegarLoop]: 1980 mSDtfsCounter, 2253 mSDsluCounter, 1980 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2255 SdHoareTripleChecker+Valid, 3960 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-22 00:10:06,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2255 Valid, 3960 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-11-22 00:10:06,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2916 states. [2022-11-22 00:10:06,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2916 to 2916. [2022-11-22 00:10:06,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2916 states, 1714 states have (on average 1.3033838973162193) internal successors, (2234), 1814 states have internal predecessors, (2234), 1013 states have call successors, (1013), 164 states have call predecessors, (1013), 162 states have return successors, (1037), 990 states have call predecessors, (1037), 1011 states have call successors, (1037) [2022-11-22 00:10:06,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2916 states to 2916 states and 4284 transitions. [2022-11-22 00:10:06,422 INFO L78 Accepts]: Start accepts. Automaton has 2916 states and 4284 transitions. Word has length 52 [2022-11-22 00:10:06,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:10:06,422 INFO L495 AbstractCegarLoop]: Abstraction has 2916 states and 4284 transitions. [2022-11-22 00:10:06,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-22 00:10:06,423 INFO L276 IsEmpty]: Start isEmpty. Operand 2916 states and 4284 transitions. [2022-11-22 00:10:06,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-22 00:10:06,425 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:10:06,425 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:10:06,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 00:10:06,426 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 00:10:06,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:10:06,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1541158270, now seen corresponding path program 1 times [2022-11-22 00:10:06,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:10:06,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203275388] [2022-11-22 00:10:06,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:10:06,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:10:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:10:06,912 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 00:10:06,913 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:10:06,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203275388] [2022-11-22 00:10:06,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203275388] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:10:06,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:10:06,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:10:06,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305837173] [2022-11-22 00:10:06,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:10:06,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:10:06,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:10:06,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:10:06,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:10:06,915 INFO L87 Difference]: Start difference. First operand 2916 states and 4284 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-22 00:10:10,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:10:11,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:10:12,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:10:12,670 INFO L93 Difference]: Finished difference Result 2916 states and 4284 transitions. [2022-11-22 00:10:12,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 00:10:12,671 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 57 [2022-11-22 00:10:12,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:10:12,691 INFO L225 Difference]: With dead ends: 2916 [2022-11-22 00:10:12,691 INFO L226 Difference]: Without dead ends: 2914 [2022-11-22 00:10:12,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:10:12,695 INFO L413 NwaCegarLoop]: 1978 mSDtfsCounter, 2250 mSDsluCounter, 1978 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2252 SdHoareTripleChecker+Valid, 3956 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-11-22 00:10:12,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2252 Valid, 3956 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-11-22 00:10:12,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2914 states. [2022-11-22 00:10:12,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2914 to 2914. [2022-11-22 00:10:12,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2914 states, 1713 states have (on average 1.3029772329246936) internal successors, (2232), 1812 states have internal predecessors, (2232), 1013 states have call successors, (1013), 164 states have call predecessors, (1013), 162 states have return successors, (1037), 990 states have call predecessors, (1037), 1011 states have call successors, (1037) [2022-11-22 00:10:12,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2914 states to 2914 states and 4282 transitions. [2022-11-22 00:10:12,896 INFO L78 Accepts]: Start accepts. Automaton has 2914 states and 4282 transitions. Word has length 57 [2022-11-22 00:10:12,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:10:12,897 INFO L495 AbstractCegarLoop]: Abstraction has 2914 states and 4282 transitions. [2022-11-22 00:10:12,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-22 00:10:12,898 INFO L276 IsEmpty]: Start isEmpty. Operand 2914 states and 4282 transitions. [2022-11-22 00:10:12,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-22 00:10:12,900 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:10:12,900 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:10:12,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 00:10:12,901 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 00:10:12,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:10:12,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1228562533, now seen corresponding path program 1 times [2022-11-22 00:10:12,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:10:12,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286014667] [2022-11-22 00:10:12,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:10:12,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:10:13,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:10:13,343 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 00:10:13,343 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:10:13,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286014667] [2022-11-22 00:10:13,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286014667] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:10:13,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:10:13,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:10:13,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707118284] [2022-11-22 00:10:13,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:10:13,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:10:13,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:10:13,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:10:13,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:10:13,346 INFO L87 Difference]: Start difference. First operand 2914 states and 4282 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-22 00:10:16,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:10:18,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:10:19,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:10:19,452 INFO L93 Difference]: Finished difference Result 2914 states and 4282 transitions. [2022-11-22 00:10:19,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 00:10:19,454 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 62 [2022-11-22 00:10:19,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:10:19,470 INFO L225 Difference]: With dead ends: 2914 [2022-11-22 00:10:19,470 INFO L226 Difference]: Without dead ends: 2912 [2022-11-22 00:10:19,472 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:10:19,476 INFO L413 NwaCegarLoop]: 1976 mSDtfsCounter, 2247 mSDsluCounter, 1976 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2249 SdHoareTripleChecker+Valid, 3952 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-11-22 00:10:19,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2249 Valid, 3952 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2022-11-22 00:10:19,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2912 states. [2022-11-22 00:10:19,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2912 to 2912. [2022-11-22 00:10:19,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2912 states, 1712 states have (on average 1.3025700934579438) internal successors, (2230), 1810 states have internal predecessors, (2230), 1013 states have call successors, (1013), 164 states have call predecessors, (1013), 162 states have return successors, (1037), 990 states have call predecessors, (1037), 1011 states have call successors, (1037) [2022-11-22 00:10:19,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2912 states to 2912 states and 4280 transitions. [2022-11-22 00:10:19,710 INFO L78 Accepts]: Start accepts. Automaton has 2912 states and 4280 transitions. Word has length 62 [2022-11-22 00:10:19,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:10:19,711 INFO L495 AbstractCegarLoop]: Abstraction has 2912 states and 4280 transitions. [2022-11-22 00:10:19,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-22 00:10:19,712 INFO L276 IsEmpty]: Start isEmpty. Operand 2912 states and 4280 transitions. [2022-11-22 00:10:19,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-22 00:10:19,717 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:10:19,718 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 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] [2022-11-22 00:10:19,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 00:10:19,719 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 00:10:19,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:10:19,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1007326539, now seen corresponding path program 1 times [2022-11-22 00:10:19,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:10:19,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664440684] [2022-11-22 00:10:19,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:10:19,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:10:19,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:10:20,077 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-22 00:10:20,078 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:10:20,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664440684] [2022-11-22 00:10:20,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664440684] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:10:20,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:10:20,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:10:20,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478331056] [2022-11-22 00:10:20,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:10:20,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:10:20,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:10:20,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:10:20,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:10:20,081 INFO L87 Difference]: Start difference. First operand 2912 states and 4280 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-22 00:10:23,451 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 [] [2022-11-22 00:10:24,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:10:24,374 INFO L93 Difference]: Finished difference Result 5956 states and 8734 transitions. [2022-11-22 00:10:24,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:10:24,375 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 72 [2022-11-22 00:10:24,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:10:24,394 INFO L225 Difference]: With dead ends: 5956 [2022-11-22 00:10:24,394 INFO L226 Difference]: Without dead ends: 3060 [2022-11-22 00:10:24,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:10:24,409 INFO L413 NwaCegarLoop]: 1997 mSDtfsCounter, 2257 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2259 SdHoareTripleChecker+Valid, 2081 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:10:24,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2259 Valid, 2081 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 308 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2022-11-22 00:10:24,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3060 states. [2022-11-22 00:10:24,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3060 to 3052. [2022-11-22 00:10:24,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3052 states, 1785 states have (on average 1.2980392156862746) internal successors, (2317), 1888 states have internal predecessors, (2317), 1063 states have call successors, (1063), 182 states have call predecessors, (1063), 180 states have return successors, (1087), 1036 states have call predecessors, (1087), 1061 states have call successors, (1087) [2022-11-22 00:10:24,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3052 states to 3052 states and 4467 transitions. [2022-11-22 00:10:24,647 INFO L78 Accepts]: Start accepts. Automaton has 3052 states and 4467 transitions. Word has length 72 [2022-11-22 00:10:24,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:10:24,649 INFO L495 AbstractCegarLoop]: Abstraction has 3052 states and 4467 transitions. [2022-11-22 00:10:24,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-22 00:10:24,650 INFO L276 IsEmpty]: Start isEmpty. Operand 3052 states and 4467 transitions. [2022-11-22 00:10:24,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-22 00:10:24,652 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:10:24,652 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:10:24,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 00:10:24,652 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 00:10:24,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:10:24,653 INFO L85 PathProgramCache]: Analyzing trace with hash 491584082, now seen corresponding path program 1 times [2022-11-22 00:10:24,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:10:24,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108596137] [2022-11-22 00:10:24,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:10:24,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:10:24,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:10:25,084 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 00:10:25,084 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:10:25,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108596137] [2022-11-22 00:10:25,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108596137] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:10:25,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:10:25,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:10:25,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733515478] [2022-11-22 00:10:25,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:10:25,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:10:25,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:10:25,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:10:25,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:10:25,087 INFO L87 Difference]: Start difference. First operand 3052 states and 4467 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-22 00:10:29,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:10:30,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:10:30,995 INFO L93 Difference]: Finished difference Result 3052 states and 4467 transitions. [2022-11-22 00:10:30,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 00:10:30,996 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 67 [2022-11-22 00:10:30,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:10:31,025 INFO L225 Difference]: With dead ends: 3052 [2022-11-22 00:10:31,025 INFO L226 Difference]: Without dead ends: 3050 [2022-11-22 00:10:31,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:10:31,029 INFO L413 NwaCegarLoop]: 1969 mSDtfsCounter, 2239 mSDsluCounter, 1969 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2241 SdHoareTripleChecker+Valid, 3938 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-11-22 00:10:31,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2241 Valid, 3938 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-11-22 00:10:31,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3050 states. [2022-11-22 00:10:31,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3050 to 3050. [2022-11-22 00:10:31,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3050 states, 1784 states have (on average 1.2976457399103138) internal successors, (2315), 1886 states have internal predecessors, (2315), 1063 states have call successors, (1063), 182 states have call predecessors, (1063), 180 states have return successors, (1087), 1036 states have call predecessors, (1087), 1061 states have call successors, (1087) [2022-11-22 00:10:31,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3050 states to 3050 states and 4465 transitions. [2022-11-22 00:10:31,305 INFO L78 Accepts]: Start accepts. Automaton has 3050 states and 4465 transitions. Word has length 67 [2022-11-22 00:10:31,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:10:31,306 INFO L495 AbstractCegarLoop]: Abstraction has 3050 states and 4465 transitions. [2022-11-22 00:10:31,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-22 00:10:31,307 INFO L276 IsEmpty]: Start isEmpty. Operand 3050 states and 4465 transitions. [2022-11-22 00:10:31,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-22 00:10:31,311 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:10:31,311 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 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] [2022-11-22 00:10:31,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 00:10:31,311 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 00:10:31,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:10:31,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1757681954, now seen corresponding path program 1 times [2022-11-22 00:10:31,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:10:31,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557387619] [2022-11-22 00:10:31,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:10:31,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:10:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:10:31,680 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-22 00:10:31,681 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:10:31,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557387619] [2022-11-22 00:10:31,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557387619] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 00:10:31,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102685924] [2022-11-22 00:10:31,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:10:31,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:10:31,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:10:31,690 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 00:10:31,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 00:10:32,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:10:32,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 3050 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 00:10:32,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:10:32,860 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-22 00:10:32,861 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 00:10:32,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2102685924] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:10:32,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 00:10:32,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-11-22 00:10:32,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274166938] [2022-11-22 00:10:32,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:10:32,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:10:32,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:10:32,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:10:32,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-22 00:10:32,863 INFO L87 Difference]: Start difference. First operand 3050 states and 4465 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-22 00:10:35,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:10:36,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:10:36,417 INFO L93 Difference]: Finished difference Result 6078 states and 8898 transitions. [2022-11-22 00:10:36,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:10:36,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 77 [2022-11-22 00:10:36,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:10:36,438 INFO L225 Difference]: With dead ends: 6078 [2022-11-22 00:10:36,438 INFO L226 Difference]: Without dead ends: 3044 [2022-11-22 00:10:36,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-22 00:10:36,455 INFO L413 NwaCegarLoop]: 1965 mSDtfsCounter, 2243 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2243 SdHoareTripleChecker+Valid, 1965 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-22 00:10:36,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2243 Valid, 1965 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-22 00:10:36,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3044 states. [2022-11-22 00:10:36,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3044 to 3044. [2022-11-22 00:10:36,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3044 states, 1779 states have (on average 1.2962338392355255) internal successors, (2306), 1880 states have internal predecessors, (2306), 1063 states have call successors, (1063), 182 states have call predecessors, (1063), 180 states have return successors, (1087), 1036 states have call predecessors, (1087), 1061 states have call successors, (1087) [2022-11-22 00:10:36,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3044 states to 3044 states and 4456 transitions. [2022-11-22 00:10:36,735 INFO L78 Accepts]: Start accepts. Automaton has 3044 states and 4456 transitions. Word has length 77 [2022-11-22 00:10:36,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:10:36,735 INFO L495 AbstractCegarLoop]: Abstraction has 3044 states and 4456 transitions. [2022-11-22 00:10:36,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-22 00:10:36,736 INFO L276 IsEmpty]: Start isEmpty. Operand 3044 states and 4456 transitions. [2022-11-22 00:10:36,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-22 00:10:36,738 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:10:36,738 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:10:36,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-22 00:10:36,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:10:36,952 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 00:10:36,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:10:36,953 INFO L85 PathProgramCache]: Analyzing trace with hash 232502398, now seen corresponding path program 1 times [2022-11-22 00:10:36,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:10:36,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928406460] [2022-11-22 00:10:36,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:10:36,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:10:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:10:37,485 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 00:10:37,485 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:10:37,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928406460] [2022-11-22 00:10:37,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928406460] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:10:37,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:10:37,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:10:37,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130171204] [2022-11-22 00:10:37,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:10:37,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:10:37,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:10:37,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:10:37,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:10:37,489 INFO L87 Difference]: Start difference. First operand 3044 states and 4456 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-22 00:10:41,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:10:43,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:10:43,095 INFO L93 Difference]: Finished difference Result 3044 states and 4456 transitions. [2022-11-22 00:10:43,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 00:10:43,096 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 72 [2022-11-22 00:10:43,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:10:43,111 INFO L225 Difference]: With dead ends: 3044 [2022-11-22 00:10:43,111 INFO L226 Difference]: Without dead ends: 3042 [2022-11-22 00:10:43,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:10:43,115 INFO L413 NwaCegarLoop]: 1962 mSDtfsCounter, 2231 mSDsluCounter, 1962 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2233 SdHoareTripleChecker+Valid, 3924 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-11-22 00:10:43,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2233 Valid, 3924 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-11-22 00:10:43,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3042 states. [2022-11-22 00:10:43,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3042 to 3042. [2022-11-22 00:10:43,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3042 states, 1778 states have (on average 1.295838020247469) internal successors, (2304), 1878 states have internal predecessors, (2304), 1063 states have call successors, (1063), 182 states have call predecessors, (1063), 180 states have return successors, (1087), 1036 states have call predecessors, (1087), 1061 states have call successors, (1087) [2022-11-22 00:10:43,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3042 states to 3042 states and 4454 transitions. [2022-11-22 00:10:43,416 INFO L78 Accepts]: Start accepts. Automaton has 3042 states and 4454 transitions. Word has length 72 [2022-11-22 00:10:43,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:10:43,418 INFO L495 AbstractCegarLoop]: Abstraction has 3042 states and 4454 transitions. [2022-11-22 00:10:43,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-22 00:10:43,419 INFO L276 IsEmpty]: Start isEmpty. Operand 3042 states and 4454 transitions. [2022-11-22 00:10:43,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-22 00:10:43,426 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:10:43,426 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:10:43,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-22 00:10:43,427 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 00:10:43,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:10:43,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1961715133, now seen corresponding path program 1 times [2022-11-22 00:10:43,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:10:43,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75011888] [2022-11-22 00:10:43,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:10:43,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:10:43,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:10:43,934 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 00:10:43,934 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:10:43,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75011888] [2022-11-22 00:10:43,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75011888] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:10:43,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:10:43,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:10:43,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590798438] [2022-11-22 00:10:43,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:10:43,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:10:43,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:10:43,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:10:43,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:10:43,937 INFO L87 Difference]: Start difference. First operand 3042 states and 4454 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-22 00:10:47,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:10:49,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:10:50,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:10:50,287 INFO L93 Difference]: Finished difference Result 3042 states and 4454 transitions. [2022-11-22 00:10:50,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 00:10:50,289 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 77 [2022-11-22 00:10:50,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:10:50,313 INFO L225 Difference]: With dead ends: 3042 [2022-11-22 00:10:50,313 INFO L226 Difference]: Without dead ends: 3040 [2022-11-22 00:10:50,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:10:50,317 INFO L413 NwaCegarLoop]: 1960 mSDtfsCounter, 2228 mSDsluCounter, 1960 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2230 SdHoareTripleChecker+Valid, 3920 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:10:50,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2230 Valid, 3920 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 584 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2022-11-22 00:10:50,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3040 states. [2022-11-22 00:10:50,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3040 to 3040. [2022-11-22 00:10:50,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3040 states, 1777 states have (on average 1.2954417557681486) internal successors, (2302), 1876 states have internal predecessors, (2302), 1063 states have call successors, (1063), 182 states have call predecessors, (1063), 180 states have return successors, (1087), 1036 states have call predecessors, (1087), 1061 states have call successors, (1087) [2022-11-22 00:10:50,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3040 states to 3040 states and 4452 transitions. [2022-11-22 00:10:50,691 INFO L78 Accepts]: Start accepts. Automaton has 3040 states and 4452 transitions. Word has length 77 [2022-11-22 00:10:50,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:10:50,692 INFO L495 AbstractCegarLoop]: Abstraction has 3040 states and 4452 transitions. [2022-11-22 00:10:50,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-22 00:10:50,692 INFO L276 IsEmpty]: Start isEmpty. Operand 3040 states and 4452 transitions. [2022-11-22 00:10:50,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-22 00:10:50,695 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:10:50,695 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:10:50,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-22 00:10:50,696 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 00:10:50,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:10:50,696 INFO L85 PathProgramCache]: Analyzing trace with hash 885889559, now seen corresponding path program 1 times [2022-11-22 00:10:50,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:10:50,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2389234] [2022-11-22 00:10:50,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:10:50,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:10:50,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:10:51,112 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 00:10:51,112 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:10:51,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2389234] [2022-11-22 00:10:51,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2389234] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:10:51,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:10:51,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:10:51,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867766313] [2022-11-22 00:10:51,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:10:51,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:10:51,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:10:51,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:10:51,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:10:51,115 INFO L87 Difference]: Start difference. First operand 3040 states and 4452 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, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-22 00:10:55,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:10:56,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:10:56,662 INFO L93 Difference]: Finished difference Result 3048 states and 4462 transitions. [2022-11-22 00:10:56,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 00:10:56,664 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, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 82 [2022-11-22 00:10:56,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:10:56,691 INFO L225 Difference]: With dead ends: 3048 [2022-11-22 00:10:56,691 INFO L226 Difference]: Without dead ends: 3046 [2022-11-22 00:10:56,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:10:56,695 INFO L413 NwaCegarLoop]: 1983 mSDtfsCounter, 2228 mSDsluCounter, 2063 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2232 SdHoareTripleChecker+Valid, 4046 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-11-22 00:10:56,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2232 Valid, 4046 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 599 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2022-11-22 00:10:56,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3046 states. [2022-11-22 00:10:57,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3046 to 3038. [2022-11-22 00:10:57,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3038 states, 1776 states have (on average 1.295045045045045) internal successors, (2300), 1874 states have internal predecessors, (2300), 1063 states have call successors, (1063), 182 states have call predecessors, (1063), 180 states have return successors, (1087), 1036 states have call predecessors, (1087), 1061 states have call successors, (1087) [2022-11-22 00:10:57,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3038 states to 3038 states and 4450 transitions. [2022-11-22 00:10:57,182 INFO L78 Accepts]: Start accepts. Automaton has 3038 states and 4450 transitions. Word has length 82 [2022-11-22 00:10:57,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:10:57,183 INFO L495 AbstractCegarLoop]: Abstraction has 3038 states and 4450 transitions. [2022-11-22 00:10:57,183 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, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-22 00:10:57,183 INFO L276 IsEmpty]: Start isEmpty. Operand 3038 states and 4450 transitions. [2022-11-22 00:10:57,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-22 00:10:57,185 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:10:57,186 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:10:57,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-22 00:10:57,186 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 00:10:57,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:10:57,187 INFO L85 PathProgramCache]: Analyzing trace with hash 936476378, now seen corresponding path program 1 times [2022-11-22 00:10:57,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:10:57,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472635383] [2022-11-22 00:10:57,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:10:57,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:10:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:10:57,624 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 00:10:57,625 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:10:57,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472635383] [2022-11-22 00:10:57,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472635383] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:10:57,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:10:57,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:10:57,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102474750] [2022-11-22 00:10:57,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:10:57,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:10:57,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:10:57,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:10:57,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:10:57,627 INFO L87 Difference]: Start difference. First operand 3038 states and 4450 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-22 00:11:01,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:11:04,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:11:04,005 INFO L93 Difference]: Finished difference Result 3038 states and 4450 transitions. [2022-11-22 00:11:04,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 00:11:04,006 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 84 [2022-11-22 00:11:04,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:11:04,019 INFO L225 Difference]: With dead ends: 3038 [2022-11-22 00:11:04,019 INFO L226 Difference]: Without dead ends: 3036 [2022-11-22 00:11:04,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:11:04,022 INFO L413 NwaCegarLoop]: 1956 mSDtfsCounter, 2221 mSDsluCounter, 1956 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2223 SdHoareTripleChecker+Valid, 3912 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:11:04,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2223 Valid, 3912 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-11-22 00:11:04,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3036 states. [2022-11-22 00:11:04,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3036 to 3036. [2022-11-22 00:11:04,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3036 states, 1775 states have (on average 1.2946478873239438) internal successors, (2298), 1872 states have internal predecessors, (2298), 1063 states have call successors, (1063), 182 states have call predecessors, (1063), 180 states have return successors, (1087), 1036 states have call predecessors, (1087), 1061 states have call successors, (1087) [2022-11-22 00:11:04,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3036 states to 3036 states and 4448 transitions. [2022-11-22 00:11:04,408 INFO L78 Accepts]: Start accepts. Automaton has 3036 states and 4448 transitions. Word has length 84 [2022-11-22 00:11:04,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:11:04,408 INFO L495 AbstractCegarLoop]: Abstraction has 3036 states and 4448 transitions. [2022-11-22 00:11:04,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-22 00:11:04,409 INFO L276 IsEmpty]: Start isEmpty. Operand 3036 states and 4448 transitions. [2022-11-22 00:11:04,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-22 00:11:04,411 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:11:04,411 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:11:04,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-22 00:11:04,411 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 00:11:04,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:11:04,412 INFO L85 PathProgramCache]: Analyzing trace with hash 2006786076, now seen corresponding path program 1 times [2022-11-22 00:11:04,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:11:04,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407956281] [2022-11-22 00:11:04,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:11:04,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:11:04,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:11:04,809 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 00:11:04,810 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:11:04,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407956281] [2022-11-22 00:11:04,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407956281] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:11:04,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:11:04,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:11:04,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601802054] [2022-11-22 00:11:04,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:11:04,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:11:04,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:11:04,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:11:04,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:11:04,813 INFO L87 Difference]: Start difference. First operand 3036 states and 4448 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-22 00:11:09,974 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 [] [2022-11-22 00:11:11,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:11:11,027 INFO L93 Difference]: Finished difference Result 3036 states and 4448 transitions. [2022-11-22 00:11:11,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 00:11:11,028 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 89 [2022-11-22 00:11:11,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:11:11,037 INFO L225 Difference]: With dead ends: 3036 [2022-11-22 00:11:11,037 INFO L226 Difference]: Without dead ends: 3034 [2022-11-22 00:11:11,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:11:11,038 INFO L413 NwaCegarLoop]: 1954 mSDtfsCounter, 2220 mSDsluCounter, 1954 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2222 SdHoareTripleChecker+Valid, 3908 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-11-22 00:11:11,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2222 Valid, 3908 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 584 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2022-11-22 00:11:11,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3034 states. [2022-11-22 00:11:11,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3034 to 3034. [2022-11-22 00:11:11,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3034 states, 1774 states have (on average 1.294250281848929) internal successors, (2296), 1870 states have internal predecessors, (2296), 1063 states have call successors, (1063), 182 states have call predecessors, (1063), 180 states have return successors, (1087), 1036 states have call predecessors, (1087), 1061 states have call successors, (1087) [2022-11-22 00:11:11,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3034 states to 3034 states and 4446 transitions. [2022-11-22 00:11:11,356 INFO L78 Accepts]: Start accepts. Automaton has 3034 states and 4446 transitions. Word has length 89 [2022-11-22 00:11:11,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:11:11,357 INFO L495 AbstractCegarLoop]: Abstraction has 3034 states and 4446 transitions. [2022-11-22 00:11:11,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-22 00:11:11,357 INFO L276 IsEmpty]: Start isEmpty. Operand 3034 states and 4446 transitions. [2022-11-22 00:11:11,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-22 00:11:11,359 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:11:11,359 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:11:11,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-22 00:11:11,360 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 00:11:11,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:11:11,360 INFO L85 PathProgramCache]: Analyzing trace with hash 999269741, now seen corresponding path program 1 times [2022-11-22 00:11:11,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:11:11,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283749649] [2022-11-22 00:11:11,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:11:11,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:11:11,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:11:11,821 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 00:11:11,822 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:11:11,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283749649] [2022-11-22 00:11:11,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283749649] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:11:11,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:11:11,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:11:11,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701438000] [2022-11-22 00:11:11,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:11:11,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:11:11,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:11:11,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:11:11,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:11:11,824 INFO L87 Difference]: Start difference. First operand 3034 states and 4446 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-22 00:11:15,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:11:16,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:11:16,739 INFO L93 Difference]: Finished difference Result 3034 states and 4446 transitions. [2022-11-22 00:11:16,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 00:11:16,741 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 94 [2022-11-22 00:11:16,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:11:16,751 INFO L225 Difference]: With dead ends: 3034 [2022-11-22 00:11:16,752 INFO L226 Difference]: Without dead ends: 3032 [2022-11-22 00:11:16,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:11:16,754 INFO L413 NwaCegarLoop]: 1952 mSDtfsCounter, 2217 mSDsluCounter, 1952 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2219 SdHoareTripleChecker+Valid, 3904 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-11-22 00:11:16,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2219 Valid, 3904 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-11-22 00:11:16,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3032 states. [2022-11-22 00:11:17,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3032 to 3032. [2022-11-22 00:11:17,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3032 states, 1773 states have (on average 1.29385222786238) internal successors, (2294), 1868 states have internal predecessors, (2294), 1063 states have call successors, (1063), 182 states have call predecessors, (1063), 180 states have return successors, (1087), 1036 states have call predecessors, (1087), 1061 states have call successors, (1087) [2022-11-22 00:11:17,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3032 states to 3032 states and 4444 transitions. [2022-11-22 00:11:17,119 INFO L78 Accepts]: Start accepts. Automaton has 3032 states and 4444 transitions. Word has length 94 [2022-11-22 00:11:17,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:11:17,120 INFO L495 AbstractCegarLoop]: Abstraction has 3032 states and 4444 transitions. [2022-11-22 00:11:17,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-22 00:11:17,120 INFO L276 IsEmpty]: Start isEmpty. Operand 3032 states and 4444 transitions. [2022-11-22 00:11:17,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-22 00:11:17,122 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:11:17,122 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:11:17,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-22 00:11:17,123 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 00:11:17,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:11:17,123 INFO L85 PathProgramCache]: Analyzing trace with hash -2023613244, now seen corresponding path program 1 times [2022-11-22 00:11:17,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:11:17,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115914489] [2022-11-22 00:11:17,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:11:17,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:11:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:11:17,511 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 00:11:17,511 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:11:17,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115914489] [2022-11-22 00:11:17,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115914489] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:11:17,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:11:17,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:11:17,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812196841] [2022-11-22 00:11:17,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:11:17,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:11:17,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:11:17,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:11:17,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:11:17,515 INFO L87 Difference]: Start difference. First operand 3032 states and 4444 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-22 00:11:21,852 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 [] [2022-11-22 00:11:22,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:11:22,908 INFO L93 Difference]: Finished difference Result 3040 states and 4454 transitions. [2022-11-22 00:11:22,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 00:11:22,909 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 99 [2022-11-22 00:11:22,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:11:22,924 INFO L225 Difference]: With dead ends: 3040 [2022-11-22 00:11:22,924 INFO L226 Difference]: Without dead ends: 3038 [2022-11-22 00:11:22,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:11:22,928 INFO L413 NwaCegarLoop]: 1975 mSDtfsCounter, 2213 mSDsluCounter, 2059 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2217 SdHoareTripleChecker+Valid, 4034 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:11:22,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2217 Valid, 4034 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 599 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2022-11-22 00:11:22,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3038 states. [2022-11-22 00:11:23,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3038 to 3030. [2022-11-22 00:11:23,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3030 states, 1772 states have (on average 1.2934537246049662) internal successors, (2292), 1866 states have internal predecessors, (2292), 1063 states have call successors, (1063), 182 states have call predecessors, (1063), 180 states have return successors, (1087), 1036 states have call predecessors, (1087), 1061 states have call successors, (1087) [2022-11-22 00:11:23,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 4442 transitions. [2022-11-22 00:11:23,299 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 4442 transitions. Word has length 99 [2022-11-22 00:11:23,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:11:23,300 INFO L495 AbstractCegarLoop]: Abstraction has 3030 states and 4442 transitions. [2022-11-22 00:11:23,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-22 00:11:23,300 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 4442 transitions. [2022-11-22 00:11:23,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-22 00:11:23,303 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:11:23,303 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:11:23,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-22 00:11:23,303 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 00:11:23,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:11:23,304 INFO L85 PathProgramCache]: Analyzing trace with hash 228226296, now seen corresponding path program 1 times [2022-11-22 00:11:23,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:11:23,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979791159] [2022-11-22 00:11:23,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:11:23,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:11:23,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:11:24,091 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-11-22 00:11:24,091 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:11:24,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979791159] [2022-11-22 00:11:24,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979791159] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:11:24,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:11:24,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 00:11:24,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566154006] [2022-11-22 00:11:24,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:11:24,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 00:11:24,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:11:24,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 00:11:24,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:11:24,095 INFO L87 Difference]: Start difference. First operand 3030 states and 4442 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-22 00:11:28,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:11:32,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:11:32,390 INFO L93 Difference]: Finished difference Result 3084 states and 4481 transitions. [2022-11-22 00:11:32,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 00:11:32,391 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 131 [2022-11-22 00:11:32,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:11:32,404 INFO L225 Difference]: With dead ends: 3084 [2022-11-22 00:11:32,404 INFO L226 Difference]: Without dead ends: 3082 [2022-11-22 00:11:32,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-22 00:11:32,408 INFO L413 NwaCegarLoop]: 1950 mSDtfsCounter, 1169 mSDsluCounter, 4852 mSDsCounter, 0 mSdLazyCounter, 988 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1170 SdHoareTripleChecker+Valid, 6802 SdHoareTripleChecker+Invalid, 989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-11-22 00:11:32,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1170 Valid, 6802 Invalid, 989 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 988 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2022-11-22 00:11:32,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3082 states. [2022-11-22 00:11:32,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3082 to 3082. [2022-11-22 00:11:32,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3082 states, 1798 states have (on average 1.2880978865406008) internal successors, (2316), 1891 states have internal predecessors, (2316), 1069 states have call successors, (1069), 203 states have call predecessors, (1069), 201 states have return successors, (1093), 1042 states have call predecessors, (1093), 1067 states have call successors, (1093) [2022-11-22 00:11:32,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3082 states to 3082 states and 4478 transitions. [2022-11-22 00:11:32,833 INFO L78 Accepts]: Start accepts. Automaton has 3082 states and 4478 transitions. Word has length 131 [2022-11-22 00:11:32,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:11:32,833 INFO L495 AbstractCegarLoop]: Abstraction has 3082 states and 4478 transitions. [2022-11-22 00:11:32,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-22 00:11:32,834 INFO L276 IsEmpty]: Start isEmpty. Operand 3082 states and 4478 transitions. [2022-11-22 00:11:32,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-22 00:11:32,836 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:11:32,836 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:11:32,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-22 00:11:32,836 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 00:11:32,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:11:32,837 INFO L85 PathProgramCache]: Analyzing trace with hash 662720905, now seen corresponding path program 1 times [2022-11-22 00:11:32,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:11:32,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735816396] [2022-11-22 00:11:32,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:11:32,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:11:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:11:33,256 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 00:11:33,256 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:11:33,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735816396] [2022-11-22 00:11:33,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735816396] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:11:33,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:11:33,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:11:33,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140094912] [2022-11-22 00:11:33,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:11:33,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:11:33,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:11:33,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:11:33,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:11:33,259 INFO L87 Difference]: Start difference. First operand 3082 states and 4478 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-22 00:11:37,532 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 [] [2022-11-22 00:11:38,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:11:38,517 INFO L93 Difference]: Finished difference Result 3090 states and 4488 transitions. [2022-11-22 00:11:38,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 00:11:38,519 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 104 [2022-11-22 00:11:38,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:11:38,528 INFO L225 Difference]: With dead ends: 3090 [2022-11-22 00:11:38,528 INFO L226 Difference]: Without dead ends: 3088 [2022-11-22 00:11:38,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:11:38,530 INFO L413 NwaCegarLoop]: 1971 mSDtfsCounter, 2208 mSDsluCounter, 2055 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2212 SdHoareTripleChecker+Valid, 4026 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-22 00:11:38,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2212 Valid, 4026 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 599 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2022-11-22 00:11:38,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3088 states. [2022-11-22 00:11:38,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3088 to 3080. [2022-11-22 00:11:38,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3080 states, 1797 states have (on average 1.2877017250973846) internal successors, (2314), 1889 states have internal predecessors, (2314), 1069 states have call successors, (1069), 203 states have call predecessors, (1069), 201 states have return successors, (1093), 1042 states have call predecessors, (1093), 1067 states have call successors, (1093) [2022-11-22 00:11:38,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3080 states to 3080 states and 4476 transitions. [2022-11-22 00:11:38,937 INFO L78 Accepts]: Start accepts. Automaton has 3080 states and 4476 transitions. Word has length 104 [2022-11-22 00:11:38,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:11:38,939 INFO L495 AbstractCegarLoop]: Abstraction has 3080 states and 4476 transitions. [2022-11-22 00:11:38,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-22 00:11:38,939 INFO L276 IsEmpty]: Start isEmpty. Operand 3080 states and 4476 transitions. [2022-11-22 00:11:38,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-22 00:11:38,942 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:11:38,943 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:11:38,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-22 00:11:38,943 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 00:11:38,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:11:38,943 INFO L85 PathProgramCache]: Analyzing trace with hash 2044117402, now seen corresponding path program 1 times [2022-11-22 00:11:38,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:11:38,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586805185] [2022-11-22 00:11:38,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:11:38,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:11:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:11:40,782 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2022-11-22 00:11:40,782 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:11:40,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586805185] [2022-11-22 00:11:40,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586805185] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 00:11:40,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099807887] [2022-11-22 00:11:40,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:11:40,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:11:40,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:11:40,790 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 00:11:40,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-22 00:11:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:11:41,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 3278 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-22 00:11:41,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:11:42,308 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2022-11-22 00:11:42,308 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 00:11:42,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2099807887] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:11:42,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 00:11:42,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [9] total 17 [2022-11-22 00:11:42,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030189808] [2022-11-22 00:11:42,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:11:42,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-22 00:11:42,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:11:42,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-22 00:11:42,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=240, Unknown=0, NotChecked=0, Total=272 [2022-11-22 00:11:42,310 INFO L87 Difference]: Start difference. First operand 3080 states and 4476 transitions. Second operand has 12 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 6 states have call successors, (23), 2 states have call predecessors, (23), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) [2022-11-22 00:11:55,419 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 [] [2022-11-22 00:12:02,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:12:02,245 INFO L93 Difference]: Finished difference Result 6950 states and 10240 transitions. [2022-11-22 00:12:02,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-22 00:12:02,246 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 6 states have call successors, (23), 2 states have call predecessors, (23), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) Word has length 120 [2022-11-22 00:12:02,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:12:02,260 INFO L225 Difference]: With dead ends: 6950 [2022-11-22 00:12:02,260 INFO L226 Difference]: Without dead ends: 3884 [2022-11-22 00:12:02,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=66, Invalid=440, Unknown=0, NotChecked=0, Total=506 [2022-11-22 00:12:02,276 INFO L413 NwaCegarLoop]: 2492 mSDtfsCounter, 946 mSDsluCounter, 23630 mSDsCounter, 0 mSdLazyCounter, 4404 mSolverCounterSat, 529 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 948 SdHoareTripleChecker+Valid, 26122 SdHoareTripleChecker+Invalid, 4934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 529 IncrementalHoareTripleChecker+Valid, 4404 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.9s IncrementalHoareTripleChecker+Time [2022-11-22 00:12:02,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [948 Valid, 26122 Invalid, 4934 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [529 Valid, 4404 Invalid, 1 Unknown, 0 Unchecked, 18.9s Time] [2022-11-22 00:12:02,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3884 states. [2022-11-22 00:12:02,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3884 to 3108. [2022-11-22 00:12:02,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3108 states, 1815 states have (on average 1.284848484848485) internal successors, (2332), 1907 states have internal predecessors, (2332), 1077 states have call successors, (1077), 203 states have call predecessors, (1077), 203 states have return successors, (1105), 1052 states have call predecessors, (1105), 1075 states have call successors, (1105) [2022-11-22 00:12:02,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3108 states to 3108 states and 4514 transitions. [2022-11-22 00:12:02,791 INFO L78 Accepts]: Start accepts. Automaton has 3108 states and 4514 transitions. Word has length 120 [2022-11-22 00:12:02,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:12:02,791 INFO L495 AbstractCegarLoop]: Abstraction has 3108 states and 4514 transitions. [2022-11-22 00:12:02,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 6 states have call successors, (23), 2 states have call predecessors, (23), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) [2022-11-22 00:12:02,792 INFO L276 IsEmpty]: Start isEmpty. Operand 3108 states and 4514 transitions. [2022-11-22 00:12:02,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-22 00:12:02,794 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:12:02,795 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:12:02,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-22 00:12:03,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-22 00:12:03,012 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 00:12:03,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:12:03,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1582167585, now seen corresponding path program 1 times [2022-11-22 00:12:03,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:12:03,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201154170] [2022-11-22 00:12:03,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:12:03,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:12:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:12:03,387 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 00:12:03,387 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:12:03,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201154170] [2022-11-22 00:12:03,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201154170] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:12:03,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:12:03,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:12:03,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377279989] [2022-11-22 00:12:03,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:12:03,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:12:03,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:12:03,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:12:03,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:12:03,390 INFO L87 Difference]: Start difference. First operand 3108 states and 4514 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-22 00:12:08,108 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 [] [2022-11-22 00:12:09,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:12:09,169 INFO L93 Difference]: Finished difference Result 3116 states and 4524 transitions. [2022-11-22 00:12:09,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 00:12:09,170 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 109 [2022-11-22 00:12:09,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:12:09,180 INFO L225 Difference]: With dead ends: 3116 [2022-11-22 00:12:09,181 INFO L226 Difference]: Without dead ends: 3114 [2022-11-22 00:12:09,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:12:09,184 INFO L413 NwaCegarLoop]: 1969 mSDtfsCounter, 2205 mSDsluCounter, 2053 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2209 SdHoareTripleChecker+Valid, 4022 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-11-22 00:12:09,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2209 Valid, 4022 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 599 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2022-11-22 00:12:09,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3114 states. [2022-11-22 00:12:09,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3114 to 3106. [2022-11-22 00:12:09,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3106 states, 1814 states have (on average 1.2844542447629548) internal successors, (2330), 1905 states have internal predecessors, (2330), 1077 states have call successors, (1077), 203 states have call predecessors, (1077), 203 states have return successors, (1105), 1052 states have call predecessors, (1105), 1075 states have call successors, (1105) [2022-11-22 00:12:09,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3106 states to 3106 states and 4512 transitions. [2022-11-22 00:12:09,593 INFO L78 Accepts]: Start accepts. Automaton has 3106 states and 4512 transitions. Word has length 109 [2022-11-22 00:12:09,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:12:09,594 INFO L495 AbstractCegarLoop]: Abstraction has 3106 states and 4512 transitions. [2022-11-22 00:12:09,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-22 00:12:09,594 INFO L276 IsEmpty]: Start isEmpty. Operand 3106 states and 4512 transitions. [2022-11-22 00:12:09,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-11-22 00:12:09,596 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:12:09,596 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:12:09,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-22 00:12:09,597 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 00:12:09,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:12:09,597 INFO L85 PathProgramCache]: Analyzing trace with hash -40334248, now seen corresponding path program 1 times [2022-11-22 00:12:09,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:12:09,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240430958] [2022-11-22 00:12:09,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:12:09,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:12:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:12:11,276 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2022-11-22 00:12:11,276 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:12:11,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240430958] [2022-11-22 00:12:11,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240430958] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 00:12:11,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1515419868] [2022-11-22 00:12:11,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:12:11,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:12:11,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:12:11,278 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 00:12:11,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-22 00:12:12,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:12:12,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 3284 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-22 00:12:12,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:12:12,721 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2022-11-22 00:12:12,722 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 00:12:12,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1515419868] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:12:12,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 00:12:12,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [9] total 18 [2022-11-22 00:12:12,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491344963] [2022-11-22 00:12:12,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:12:12,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-22 00:12:12,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:12:12,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-22 00:12:12,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=272, Unknown=0, NotChecked=0, Total=306 [2022-11-22 00:12:12,724 INFO L87 Difference]: Start difference. First operand 3106 states and 4512 transitions. Second operand has 13 states, 10 states have (on average 5.2) internal successors, (52), 11 states have internal predecessors, (52), 6 states have call successors, (23), 2 states have call predecessors, (23), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) [2022-11-22 00:12:25,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:12:26,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:12:28,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:12:29,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:12:32,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:12:34,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:12:36,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:12:44,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:12:44,676 INFO L93 Difference]: Finished difference Result 7031 states and 10355 transitions. [2022-11-22 00:12:44,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-22 00:12:44,678 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 5.2) internal successors, (52), 11 states have internal predecessors, (52), 6 states have call successors, (23), 2 states have call predecessors, (23), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) Word has length 122 [2022-11-22 00:12:44,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:12:44,689 INFO L225 Difference]: With dead ends: 7031 [2022-11-22 00:12:44,689 INFO L226 Difference]: Without dead ends: 3939 [2022-11-22 00:12:44,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2022-11-22 00:12:44,705 INFO L413 NwaCegarLoop]: 2506 mSDtfsCounter, 956 mSDsluCounter, 26245 mSDsCounter, 0 mSdLazyCounter, 4857 mSolverCounterSat, 534 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 963 SdHoareTripleChecker+Valid, 28751 SdHoareTripleChecker+Invalid, 5392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 534 IncrementalHoareTripleChecker+Valid, 4857 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.9s IncrementalHoareTripleChecker+Time [2022-11-22 00:12:44,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [963 Valid, 28751 Invalid, 5392 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [534 Valid, 4857 Invalid, 1 Unknown, 0 Unchecked, 30.9s Time] [2022-11-22 00:12:44,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3939 states. [2022-11-22 00:12:45,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3939 to 3123. [2022-11-22 00:12:45,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3123 states, 1825 states have (on average 1.2827397260273972) internal successors, (2341), 1917 states have internal predecessors, (2341), 1082 states have call successors, (1082), 203 states have call predecessors, (1082), 204 states have return successors, (1114), 1057 states have call predecessors, (1114), 1080 states have call successors, (1114) [2022-11-22 00:12:45,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3123 states to 3123 states and 4537 transitions. [2022-11-22 00:12:45,250 INFO L78 Accepts]: Start accepts. Automaton has 3123 states and 4537 transitions. Word has length 122 [2022-11-22 00:12:45,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:12:45,251 INFO L495 AbstractCegarLoop]: Abstraction has 3123 states and 4537 transitions. [2022-11-22 00:12:45,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 5.2) internal successors, (52), 11 states have internal predecessors, (52), 6 states have call successors, (23), 2 states have call predecessors, (23), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) [2022-11-22 00:12:45,251 INFO L276 IsEmpty]: Start isEmpty. Operand 3123 states and 4537 transitions. [2022-11-22 00:12:45,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-22 00:12:45,253 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:12:45,254 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:12:45,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-22 00:12:45,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:12:45,467 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 00:12:45,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:12:45,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1814904492, now seen corresponding path program 1 times [2022-11-22 00:12:45,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:12:45,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378708118] [2022-11-22 00:12:45,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:12:45,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:12:45,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:12:45,875 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 00:12:45,876 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:12:45,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378708118] [2022-11-22 00:12:45,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378708118] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:12:45,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:12:45,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:12:45,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657488490] [2022-11-22 00:12:45,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:12:45,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:12:45,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:12:45,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:12:45,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:12:45,879 INFO L87 Difference]: Start difference. First operand 3123 states and 4537 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-22 00:12:49,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:12:51,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:12:53,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:12:53,204 INFO L93 Difference]: Finished difference Result 3123 states and 4537 transitions. [2022-11-22 00:12:53,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 00:12:53,205 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 114 [2022-11-22 00:12:53,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:12:53,212 INFO L225 Difference]: With dead ends: 3123 [2022-11-22 00:12:53,212 INFO L226 Difference]: Without dead ends: 3121 [2022-11-22 00:12:53,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:12:53,214 INFO L413 NwaCegarLoop]: 1942 mSDtfsCounter, 2203 mSDsluCounter, 1942 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2205 SdHoareTripleChecker+Valid, 3884 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-11-22 00:12:53,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2205 Valid, 3884 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 584 Invalid, 1 Unknown, 0 Unchecked, 6.8s Time] [2022-11-22 00:12:53,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3121 states. [2022-11-22 00:12:53,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3121 to 3121. [2022-11-22 00:12:53,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3121 states, 1824 states have (on average 1.2823464912280702) internal successors, (2339), 1915 states have internal predecessors, (2339), 1082 states have call successors, (1082), 203 states have call predecessors, (1082), 204 states have return successors, (1114), 1057 states have call predecessors, (1114), 1080 states have call successors, (1114) [2022-11-22 00:12:53,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3121 states to 3121 states and 4535 transitions. [2022-11-22 00:12:53,785 INFO L78 Accepts]: Start accepts. Automaton has 3121 states and 4535 transitions. Word has length 114 [2022-11-22 00:12:53,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:12:53,785 INFO L495 AbstractCegarLoop]: Abstraction has 3121 states and 4535 transitions. [2022-11-22 00:12:53,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-22 00:12:53,786 INFO L276 IsEmpty]: Start isEmpty. Operand 3121 states and 4535 transitions. [2022-11-22 00:12:53,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-22 00:12:53,788 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:12:53,788 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:12:53,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-22 00:12:53,789 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 00:12:53,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:12:53,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1443414518, now seen corresponding path program 1 times [2022-11-22 00:12:53,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:12:53,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275599132] [2022-11-22 00:12:53,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:12:53,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:12:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:12:54,578 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 00:12:54,579 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:12:54,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275599132] [2022-11-22 00:12:54,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275599132] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:12:54,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:12:54,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:12:54,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182513163] [2022-11-22 00:12:54,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:12:54,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:12:54,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:12:54,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:12:54,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:12:54,581 INFO L87 Difference]: Start difference. First operand 3121 states and 4535 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-22 00:12:58,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:12:59,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:13:00,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:13:00,451 INFO L93 Difference]: Finished difference Result 3121 states and 4535 transitions. [2022-11-22 00:13:00,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 00:13:00,452 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 119 [2022-11-22 00:13:00,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:13:00,459 INFO L225 Difference]: With dead ends: 3121 [2022-11-22 00:13:00,459 INFO L226 Difference]: Without dead ends: 3119 [2022-11-22 00:13:00,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:13:00,461 INFO L413 NwaCegarLoop]: 1940 mSDtfsCounter, 2200 mSDsluCounter, 1940 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2202 SdHoareTripleChecker+Valid, 3880 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-11-22 00:13:00,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2202 Valid, 3880 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-11-22 00:13:00,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3119 states. [2022-11-22 00:13:01,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3119 to 3119. [2022-11-22 00:13:01,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3119 states, 1823 states have (on average 1.2819528250137135) internal successors, (2337), 1913 states have internal predecessors, (2337), 1082 states have call successors, (1082), 203 states have call predecessors, (1082), 204 states have return successors, (1114), 1057 states have call predecessors, (1114), 1080 states have call successors, (1114) [2022-11-22 00:13:01,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3119 states to 3119 states and 4533 transitions. [2022-11-22 00:13:01,093 INFO L78 Accepts]: Start accepts. Automaton has 3119 states and 4533 transitions. Word has length 119 [2022-11-22 00:13:01,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:13:01,093 INFO L495 AbstractCegarLoop]: Abstraction has 3119 states and 4533 transitions. [2022-11-22 00:13:01,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-22 00:13:01,093 INFO L276 IsEmpty]: Start isEmpty. Operand 3119 states and 4533 transitions. [2022-11-22 00:13:01,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-22 00:13:01,095 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:13:01,095 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:13:01,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-22 00:13:01,096 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 00:13:01,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:13:01,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1435875154, now seen corresponding path program 1 times [2022-11-22 00:13:01,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:13:01,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101583182] [2022-11-22 00:13:01,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:13:01,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:13:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:13:01,457 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 00:13:01,457 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:13:01,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101583182] [2022-11-22 00:13:01,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101583182] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:13:01,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:13:01,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:13:01,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469504130] [2022-11-22 00:13:01,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:13:01,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:13:01,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:13:01,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:13:01,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:13:01,459 INFO L87 Difference]: Start difference. First operand 3119 states and 4533 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-22 00:13:05,732 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 [] [2022-11-22 00:13:06,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:13:06,809 INFO L93 Difference]: Finished difference Result 3127 states and 4543 transitions. [2022-11-22 00:13:06,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 00:13:06,812 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 124 [2022-11-22 00:13:06,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:13:06,819 INFO L225 Difference]: With dead ends: 3127 [2022-11-22 00:13:06,819 INFO L226 Difference]: Without dead ends: 3125 [2022-11-22 00:13:06,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:13:06,821 INFO L413 NwaCegarLoop]: 1963 mSDtfsCounter, 2196 mSDsluCounter, 2047 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2200 SdHoareTripleChecker+Valid, 4010 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-11-22 00:13:06,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2200 Valid, 4010 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 599 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2022-11-22 00:13:06,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3125 states. [2022-11-22 00:13:07,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3125 to 3117. [2022-11-22 00:13:07,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3117 states, 1822 states have (on average 1.2815587266739847) internal successors, (2335), 1911 states have internal predecessors, (2335), 1082 states have call successors, (1082), 203 states have call predecessors, (1082), 204 states have return successors, (1114), 1057 states have call predecessors, (1114), 1080 states have call successors, (1114) [2022-11-22 00:13:07,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3117 states to 3117 states and 4531 transitions. [2022-11-22 00:13:07,271 INFO L78 Accepts]: Start accepts. Automaton has 3117 states and 4531 transitions. Word has length 124 [2022-11-22 00:13:07,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:13:07,272 INFO L495 AbstractCegarLoop]: Abstraction has 3117 states and 4531 transitions. [2022-11-22 00:13:07,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-22 00:13:07,272 INFO L276 IsEmpty]: Start isEmpty. Operand 3117 states and 4531 transitions. [2022-11-22 00:13:07,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-22 00:13:07,274 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:13:07,275 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:13:07,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-22 00:13:07,275 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 00:13:07,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:13:07,276 INFO L85 PathProgramCache]: Analyzing trace with hash -882915071, now seen corresponding path program 1 times [2022-11-22 00:13:07,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:13:07,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902727350] [2022-11-22 00:13:07,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:13:07,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:13:07,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:13:07,749 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 00:13:07,750 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:13:07,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902727350] [2022-11-22 00:13:07,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902727350] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:13:07,750 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:13:07,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:13:07,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239650730] [2022-11-22 00:13:07,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:13:07,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:13:07,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:13:07,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:13:07,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:13:07,752 INFO L87 Difference]: Start difference. First operand 3117 states and 4531 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-22 00:13:12,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:13:12,146 INFO L93 Difference]: Finished difference Result 3117 states and 4531 transitions. [2022-11-22 00:13:12,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 00:13:12,147 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 129 [2022-11-22 00:13:12,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:13:12,154 INFO L225 Difference]: With dead ends: 3117 [2022-11-22 00:13:12,154 INFO L226 Difference]: Without dead ends: 3115 [2022-11-22 00:13:12,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:13:12,156 INFO L413 NwaCegarLoop]: 1936 mSDtfsCounter, 2194 mSDsluCounter, 1936 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2196 SdHoareTripleChecker+Valid, 3872 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-22 00:13:12,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2196 Valid, 3872 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-11-22 00:13:12,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3115 states. [2022-11-22 00:13:12,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3115 to 3115. [2022-11-22 00:13:12,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3115 states, 1821 states have (on average 1.2811641954969797) internal successors, (2333), 1909 states have internal predecessors, (2333), 1082 states have call successors, (1082), 203 states have call predecessors, (1082), 204 states have return successors, (1114), 1057 states have call predecessors, (1114), 1080 states have call successors, (1114) [2022-11-22 00:13:12,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3115 states to 3115 states and 4529 transitions. [2022-11-22 00:13:12,638 INFO L78 Accepts]: Start accepts. Automaton has 3115 states and 4529 transitions. Word has length 129 [2022-11-22 00:13:12,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:13:12,638 INFO L495 AbstractCegarLoop]: Abstraction has 3115 states and 4529 transitions. [2022-11-22 00:13:12,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-22 00:13:12,638 INFO L276 IsEmpty]: Start isEmpty. Operand 3115 states and 4529 transitions. [2022-11-22 00:13:12,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-22 00:13:12,640 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:13:12,641 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:13:12,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-22 00:13:12,641 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 00:13:12,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:13:12,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1037231758, now seen corresponding path program 1 times [2022-11-22 00:13:12,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:13:12,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821792047] [2022-11-22 00:13:12,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:13:12,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:13:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:13:13,068 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 00:13:13,069 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:13:13,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821792047] [2022-11-22 00:13:13,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821792047] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:13:13,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:13:13,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:13:13,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83927892] [2022-11-22 00:13:13,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:13:13,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:13:13,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:13:13,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:13:13,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:13:13,073 INFO L87 Difference]: Start difference. First operand 3115 states and 4529 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-22 00:13:17,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:13:18,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:13:18,712 INFO L93 Difference]: Finished difference Result 3115 states and 4529 transitions. [2022-11-22 00:13:18,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 00:13:18,714 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 134 [2022-11-22 00:13:18,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:13:18,722 INFO L225 Difference]: With dead ends: 3115 [2022-11-22 00:13:18,723 INFO L226 Difference]: Without dead ends: 3113 [2022-11-22 00:13:18,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:13:18,725 INFO L413 NwaCegarLoop]: 1934 mSDtfsCounter, 2191 mSDsluCounter, 1934 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2193 SdHoareTripleChecker+Valid, 3868 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:13:18,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2193 Valid, 3868 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-11-22 00:13:18,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3113 states. [2022-11-22 00:13:19,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3113 to 3113. [2022-11-22 00:13:19,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3113 states, 1820 states have (on average 1.2807692307692307) internal successors, (2331), 1907 states have internal predecessors, (2331), 1082 states have call successors, (1082), 203 states have call predecessors, (1082), 204 states have return successors, (1114), 1057 states have call predecessors, (1114), 1080 states have call successors, (1114) [2022-11-22 00:13:19,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3113 states to 3113 states and 4527 transitions. [2022-11-22 00:13:19,364 INFO L78 Accepts]: Start accepts. Automaton has 3113 states and 4527 transitions. Word has length 134 [2022-11-22 00:13:19,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:13:19,365 INFO L495 AbstractCegarLoop]: Abstraction has 3113 states and 4527 transitions. [2022-11-22 00:13:19,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-22 00:13:19,365 INFO L276 IsEmpty]: Start isEmpty. Operand 3113 states and 4527 transitions. [2022-11-22 00:13:19,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-11-22 00:13:19,367 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:13:19,368 INFO L195 NwaCegarLoop]: trace histogram [8, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:13:19,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-22 00:13:19,368 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 00:13:19,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:13:19,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1231584699, now seen corresponding path program 1 times [2022-11-22 00:13:19,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:13:19,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451111960] [2022-11-22 00:13:19,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:13:19,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:13:19,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:13:20,325 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2022-11-22 00:13:20,325 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:13:20,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451111960] [2022-11-22 00:13:20,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451111960] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 00:13:20,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1462915490] [2022-11-22 00:13:20,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:13:20,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:13:20,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:13:20,331 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 00:13:20,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528bae1a-88aa-499a-b9a2-ca8745fd0e3a/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-22 00:13:21,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:13:21,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 3497 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-22 00:13:21,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:13:21,753 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 84 proven. 8 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-11-22 00:13:21,753 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 00:13:22,176 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2022-11-22 00:13:22,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1462915490] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 00:13:22,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [97307180] [2022-11-22 00:13:22,204 INFO L159 IcfgInterpreter]: Started Sifa with 86 locations of interest [2022-11-22 00:13:22,204 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 00:13:22,209 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 00:13:22,215 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 00:13:22,215 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 00:15:52,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 00:15:52,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 00:16:22,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,763 INFO L217 Elim1Store]: Index analysis took 196 ms [2022-11-22 00:16:22,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:22,775 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:16:22,880 INFO L321 Elim1Store]: treesize reduction 44, result has 37.1 percent of original size [2022-11-22 00:16:22,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 92 select indices, 92 select index equivalence classes, 1489 disjoint index pairs (out of 4186 index pairs), introduced 92 new quantified variables, introduced 3 case distinctions, treesize of input 834 treesize of output 1110 [2022-11-22 00:16:23,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-22 00:16:23,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-22 00:16:23,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,894 INFO L217 Elim1Store]: Index analysis took 191 ms [2022-11-22 00:16:23,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:23,903 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:16:24,004 INFO L321 Elim1Store]: treesize reduction 36, result has 48.6 percent of original size [2022-11-22 00:16:24,006 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 92 select indices, 92 select index equivalence classes, 1489 disjoint index pairs (out of 4186 index pairs), introduced 92 new quantified variables, introduced 3 case distinctions, treesize of input 834 treesize of output 1118 [2022-11-22 00:16:24,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:24,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:24,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:24,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:24,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:24,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:24,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:24,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:24,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:24,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:24,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:24,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:24,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:24,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:24,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:24,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:24,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:24,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:24,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:24,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:24,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:24,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:24,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:24,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:24,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:24,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:24,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:24,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:24,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:24,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:24,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:24,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:24,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:24,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:24,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:24,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:24,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:24,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:25,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:25,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:25,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:25,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:25,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:25,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:25,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:25,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:25,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:25,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:25,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:25,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:25,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:25,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:25,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:25,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:25,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:25,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:25,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:25,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:25,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:25,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:25,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:25,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:25,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:25,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:25,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:25,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:25,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:25,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:25,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:25,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:25,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:25,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:25,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:25,126 INFO L217 Elim1Store]: Index analysis took 262 ms [2022-11-22 00:16:25,132 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:16:25,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:25,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:25,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:25,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:16:26,626 INFO L321 Elim1Store]: treesize reduction 624, result has 40.8 percent of original size [2022-11-22 00:16:26,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 181 select indices, 181 select index equivalence classes, 1040 disjoint index pairs (out of 16290 index pairs), introduced 181 new quantified variables, introduced 39 case distinctions, treesize of input 1373 treesize of output 2057 [2022-11-22 00:16:28,244 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 43