./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/bin/uautomizer-TMbwUNV5ro --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b20f48966671566afed85875d0d94a6951898c9c2a2bdf71b35576aeaa27c268 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 18:40:23,827 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 18:40:23,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 18:40:23,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 18:40:23,856 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 18:40:23,863 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 18:40:23,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 18:40:23,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 18:40:23,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 18:40:23,880 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 18:40:23,882 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 18:40:23,884 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 18:40:23,885 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 18:40:23,888 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 18:40:23,889 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 18:40:23,892 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 18:40:23,893 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 18:40:23,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 18:40:23,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 18:40:23,903 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 18:40:23,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 18:40:23,907 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 18:40:23,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 18:40:23,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 18:40:23,918 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 18:40:23,919 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 18:40:23,919 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 18:40:23,920 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 18:40:23,921 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 18:40:23,921 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 18:40:23,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 18:40:23,922 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 18:40:23,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 18:40:23,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 18:40:23,925 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 18:40:23,925 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 18:40:23,926 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 18:40:23,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 18:40:23,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 18:40:23,929 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 18:40:23,931 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 18:40:23,932 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 18:40:23,967 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 18:40:23,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 18:40:23,972 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 18:40:23,972 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 18:40:23,973 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 18:40:23,973 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 18:40:23,974 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 18:40:23,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 18:40:23,975 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 18:40:23,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 18:40:23,976 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 18:40:23,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 18:40:23,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 18:40:23,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 18:40:23,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 18:40:23,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 18:40:23,977 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 18:40:23,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 18:40:23,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 18:40:23,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 18:40:23,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 18:40:23,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:40:23,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 18:40:23,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 18:40:23,979 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 18:40:23,980 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 18:40:23,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 18:40:23,980 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 18:40:23,980 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 18:40:23,981 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 18:40:23,982 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_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b20f48966671566afed85875d0d94a6951898c9c2a2bdf71b35576aeaa27c268 [2022-11-18 18:40:24,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 18:40:24,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 18:40:24,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 18:40:24,347 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 18:40:24,348 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 18:40:24,350 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i [2022-11-18 18:40:24,413 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/bin/uautomizer-TMbwUNV5ro/data/9dd2a578a/549b236e83c14a6ba8acf5b3aa9ca8a2/FLAGe62c0efc7 [2022-11-18 18:40:25,512 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 18:40:25,512 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i [2022-11-18 18:40:25,595 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/bin/uautomizer-TMbwUNV5ro/data/9dd2a578a/549b236e83c14a6ba8acf5b3aa9ca8a2/FLAGe62c0efc7 [2022-11-18 18:40:25,749 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/bin/uautomizer-TMbwUNV5ro/data/9dd2a578a/549b236e83c14a6ba8acf5b3aa9ca8a2 [2022-11-18 18:40:25,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 18:40:25,754 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 18:40:25,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 18:40:25,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 18:40:25,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 18:40:25,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:40:25" (1/1) ... [2022-11-18 18:40:25,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73bd1f71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:25, skipping insertion in model container [2022-11-18 18:40:25,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:40:25" (1/1) ... [2022-11-18 18:40:25,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 18:40:25,979 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:40:31,779 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580060,580073] [2022-11-18 18:40:31,783 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580205,580218] [2022-11-18 18:40:31,784 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580351,580364] [2022-11-18 18:40:31,785 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580516,580529] [2022-11-18 18:40:31,785 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580674,580687] [2022-11-18 18:40:31,786 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580832,580845] [2022-11-18 18:40:31,786 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580990,581003] [2022-11-18 18:40:31,787 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581150,581163] [2022-11-18 18:40:31,787 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581309,581322] [2022-11-18 18:40:31,787 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581448,581461] [2022-11-18 18:40:31,788 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581590,581603] [2022-11-18 18:40:31,788 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581739,581752] [2022-11-18 18:40:31,789 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581878,581891] [2022-11-18 18:40:31,789 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582033,582046] [2022-11-18 18:40:31,790 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582193,582206] [2022-11-18 18:40:31,790 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582344,582357] [2022-11-18 18:40:31,791 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582495,582508] [2022-11-18 18:40:31,791 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582647,582660] [2022-11-18 18:40:31,792 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582796,582809] [2022-11-18 18:40:31,792 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582944,582957] [2022-11-18 18:40:31,793 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583101,583114] [2022-11-18 18:40:31,793 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583250,583263] [2022-11-18 18:40:31,794 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583406,583419] [2022-11-18 18:40:31,794 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583559,583572] [2022-11-18 18:40:31,794 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583705,583718] [2022-11-18 18:40:31,795 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583848,583861] [2022-11-18 18:40:31,795 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584000,584013] [2022-11-18 18:40:31,796 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584146,584159] [2022-11-18 18:40:31,796 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584291,584304] [2022-11-18 18:40:31,797 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584445,584458] [2022-11-18 18:40:31,797 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584596,584609] [2022-11-18 18:40:31,798 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584751,584764] [2022-11-18 18:40:31,798 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584903,584916] [2022-11-18 18:40:31,798 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585058,585071] [2022-11-18 18:40:31,799 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585222,585235] [2022-11-18 18:40:31,799 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585378,585391] [2022-11-18 18:40:31,800 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585542,585555] [2022-11-18 18:40:31,800 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585684,585697] [2022-11-18 18:40:31,801 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585842,585855] [2022-11-18 18:40:31,801 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586009,586022] [2022-11-18 18:40:31,801 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586168,586181] [2022-11-18 18:40:31,802 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586327,586340] [2022-11-18 18:40:31,802 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586476,586489] [2022-11-18 18:40:31,803 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586623,586636] [2022-11-18 18:40:31,803 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586762,586775] [2022-11-18 18:40:31,804 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586925,586938] [2022-11-18 18:40:31,804 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587091,587104] [2022-11-18 18:40:31,805 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587255,587268] [2022-11-18 18:40:31,805 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587420,587433] [2022-11-18 18:40:31,806 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587585,587598] [2022-11-18 18:40:31,806 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587751,587764] [2022-11-18 18:40:31,806 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587916,587929] [2022-11-18 18:40:31,807 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588083,588096] [2022-11-18 18:40:31,807 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588243,588256] [2022-11-18 18:40:31,808 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588405,588418] [2022-11-18 18:40:31,808 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588564,588577] [2022-11-18 18:40:31,809 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588710,588723] [2022-11-18 18:40:31,809 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588853,588866] [2022-11-18 18:40:31,810 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588997,589010] [2022-11-18 18:40:31,810 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589140,589153] [2022-11-18 18:40:31,811 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589284,589297] [2022-11-18 18:40:31,811 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589425,589438] [2022-11-18 18:40:31,812 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589563,589576] [2022-11-18 18:40:31,812 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589721,589734] [2022-11-18 18:40:31,813 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589880,589893] [2022-11-18 18:40:31,813 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590036,590049] [2022-11-18 18:40:31,814 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590185,590198] [2022-11-18 18:40:31,814 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590337,590350] [2022-11-18 18:40:31,815 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590488,590501] [2022-11-18 18:40:31,815 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590637,590650] [2022-11-18 18:40:31,815 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590789,590802] [2022-11-18 18:40:31,816 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590937,590950] [2022-11-18 18:40:31,816 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591090,591103] [2022-11-18 18:40:31,817 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591241,591254] [2022-11-18 18:40:31,817 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591391,591404] [2022-11-18 18:40:31,818 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591538,591551] [2022-11-18 18:40:31,818 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591689,591702] [2022-11-18 18:40:31,819 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591840,591853] [2022-11-18 18:40:31,819 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591988,592001] [2022-11-18 18:40:31,820 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592154,592167] [2022-11-18 18:40:31,820 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592323,592336] [2022-11-18 18:40:31,820 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592490,592503] [2022-11-18 18:40:31,821 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592658,592671] [2022-11-18 18:40:31,821 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592808,592821] [2022-11-18 18:40:31,822 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592955,592968] [2022-11-18 18:40:31,822 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[593116,593129] [2022-11-18 18:40:31,823 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[593286,593299] [2022-11-18 18:40:31,823 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[593448,593461] [2022-11-18 18:40:31,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:40:31,885 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 18:40:32,560 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580060,580073] [2022-11-18 18:40:32,561 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580205,580218] [2022-11-18 18:40:32,566 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580351,580364] [2022-11-18 18:40:32,567 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580516,580529] [2022-11-18 18:40:32,567 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580674,580687] [2022-11-18 18:40:32,569 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580832,580845] [2022-11-18 18:40:32,570 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580990,581003] [2022-11-18 18:40:32,570 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581150,581163] [2022-11-18 18:40:32,571 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581309,581322] [2022-11-18 18:40:32,572 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581448,581461] [2022-11-18 18:40:32,573 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581590,581603] [2022-11-18 18:40:32,573 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581739,581752] [2022-11-18 18:40:32,574 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581878,581891] [2022-11-18 18:40:32,575 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582033,582046] [2022-11-18 18:40:32,575 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582193,582206] [2022-11-18 18:40:32,576 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582344,582357] [2022-11-18 18:40:32,576 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582495,582508] [2022-11-18 18:40:32,577 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582647,582660] [2022-11-18 18:40:32,578 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582796,582809] [2022-11-18 18:40:32,578 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582944,582957] [2022-11-18 18:40:32,579 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583101,583114] [2022-11-18 18:40:32,579 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583250,583263] [2022-11-18 18:40:32,581 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583406,583419] [2022-11-18 18:40:32,581 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583559,583572] [2022-11-18 18:40:32,582 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583705,583718] [2022-11-18 18:40:32,582 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583848,583861] [2022-11-18 18:40:32,583 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584000,584013] [2022-11-18 18:40:32,583 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584146,584159] [2022-11-18 18:40:32,584 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584291,584304] [2022-11-18 18:40:32,584 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584445,584458] [2022-11-18 18:40:32,585 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584596,584609] [2022-11-18 18:40:32,586 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584751,584764] [2022-11-18 18:40:32,587 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584903,584916] [2022-11-18 18:40:32,587 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585058,585071] [2022-11-18 18:40:32,588 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585222,585235] [2022-11-18 18:40:32,589 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585378,585391] [2022-11-18 18:40:32,589 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585542,585555] [2022-11-18 18:40:32,589 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585684,585697] [2022-11-18 18:40:32,590 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585842,585855] [2022-11-18 18:40:32,590 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586009,586022] [2022-11-18 18:40:32,592 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586168,586181] [2022-11-18 18:40:32,593 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586327,586340] [2022-11-18 18:40:32,594 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586476,586489] [2022-11-18 18:40:32,594 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586623,586636] [2022-11-18 18:40:32,595 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586762,586775] [2022-11-18 18:40:32,595 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586925,586938] [2022-11-18 18:40:32,596 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587091,587104] [2022-11-18 18:40:32,596 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587255,587268] [2022-11-18 18:40:32,597 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587420,587433] [2022-11-18 18:40:32,597 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587585,587598] [2022-11-18 18:40:32,598 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587751,587764] [2022-11-18 18:40:32,598 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587916,587929] [2022-11-18 18:40:32,599 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588083,588096] [2022-11-18 18:40:32,600 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588243,588256] [2022-11-18 18:40:32,600 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588405,588418] [2022-11-18 18:40:32,601 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588564,588577] [2022-11-18 18:40:32,601 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588710,588723] [2022-11-18 18:40:32,602 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588853,588866] [2022-11-18 18:40:32,602 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588997,589010] [2022-11-18 18:40:32,603 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589140,589153] [2022-11-18 18:40:32,603 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589284,589297] [2022-11-18 18:40:32,604 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589425,589438] [2022-11-18 18:40:32,605 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589563,589576] [2022-11-18 18:40:32,606 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589721,589734] [2022-11-18 18:40:32,609 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589880,589893] [2022-11-18 18:40:32,614 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590036,590049] [2022-11-18 18:40:32,615 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590185,590198] [2022-11-18 18:40:32,616 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590337,590350] [2022-11-18 18:40:32,617 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590488,590501] [2022-11-18 18:40:32,618 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590637,590650] [2022-11-18 18:40:32,620 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590789,590802] [2022-11-18 18:40:32,620 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590937,590950] [2022-11-18 18:40:32,621 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591090,591103] [2022-11-18 18:40:32,627 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591241,591254] [2022-11-18 18:40:32,628 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591391,591404] [2022-11-18 18:40:32,629 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591538,591551] [2022-11-18 18:40:32,629 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591689,591702] [2022-11-18 18:40:32,630 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591840,591853] [2022-11-18 18:40:32,631 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591988,592001] [2022-11-18 18:40:32,632 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592154,592167] [2022-11-18 18:40:32,633 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592323,592336] [2022-11-18 18:40:32,634 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592490,592503] [2022-11-18 18:40:32,634 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592658,592671] [2022-11-18 18:40:32,635 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592808,592821] [2022-11-18 18:40:32,635 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592955,592968] [2022-11-18 18:40:32,636 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[593116,593129] [2022-11-18 18:40:32,636 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[593286,593299] [2022-11-18 18:40:32,637 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[593448,593461] [2022-11-18 18:40:32,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:40:32,914 INFO L208 MainTranslator]: Completed translation [2022-11-18 18:40:32,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:32 WrapperNode [2022-11-18 18:40:32,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 18:40:32,916 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 18:40:32,916 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 18:40:32,916 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 18:40:32,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:32" (1/1) ... [2022-11-18 18:40:33,158 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:32" (1/1) ... [2022-11-18 18:40:33,546 INFO L138 Inliner]: procedures = 758, calls = 7333, calls flagged for inlining = 371, calls inlined = 290, statements flattened = 13957 [2022-11-18 18:40:33,547 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 18:40:33,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 18:40:33,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 18:40:33,548 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 18:40:33,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:32" (1/1) ... [2022-11-18 18:40:33,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:32" (1/1) ... [2022-11-18 18:40:33,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:32" (1/1) ... [2022-11-18 18:40:33,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:32" (1/1) ... [2022-11-18 18:40:34,106 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:32" (1/1) ... [2022-11-18 18:40:34,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:32" (1/1) ... [2022-11-18 18:40:34,218 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:32" (1/1) ... [2022-11-18 18:40:34,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:32" (1/1) ... [2022-11-18 18:40:34,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 18:40:34,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 18:40:34,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 18:40:34,341 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 18:40:34,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:32" (1/1) ... [2022-11-18 18:40:34,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:40:34,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:40:34,381 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 18:40:34,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4970c7e-5a12-4c1a-af5f-96343e1ff6f8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 18:40:34,428 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_pcie_error_reporting [2022-11-18 18:40:34,428 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_pcie_error_reporting [2022-11-18 18:40:34,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_98 [2022-11-18 18:40:34,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_98 [2022-11-18 18:40:34,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-18 18:40:34,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-18 18:40:34,428 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-18 18:40:34,428 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-18 18:40:34,429 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-18 18:40:34,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-18 18:40:34,429 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-18 18:40:34,429 INFO L130 BoogieDeclarations]: Found specification of procedure skd_quiesce_dev [2022-11-18 18:40:34,429 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_quiesce_dev [2022-11-18 18:40:34,429 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-18 18:40:34,429 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-18 18:40:34,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 18:40:34,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 18:40:34,429 INFO L130 BoogieDeclarations]: Found specification of procedure skd_cons_sg_list [2022-11-18 18:40:34,430 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_cons_sg_list [2022-11-18 18:40:34,430 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-18 18:40:34,430 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-18 18:40:34,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-18 18:40:34,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-18 18:40:34,430 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-18 18:40:34,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-18 18:40:34,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-18 18:40:34,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-18 18:40:34,430 INFO L130 BoogieDeclarations]: Found specification of procedure __clear_bit [2022-11-18 18:40:34,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __clear_bit [2022-11-18 18:40:34,431 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-18 18:40:34,431 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-18 18:40:34,431 INFO L130 BoogieDeclarations]: Found specification of procedure queue_flag_set_unlocked [2022-11-18 18:40:34,431 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_flag_set_unlocked [2022-11-18 18:40:34,431 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2022-11-18 18:40:34,431 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2022-11-18 18:40:34,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-18 18:40:34,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-18 18:40:34,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-18 18:40:34,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-18 18:40:34,432 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-18 18:40:34,432 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-18 18:40:34,432 INFO L130 BoogieDeclarations]: Found specification of procedure skd_pci_remove [2022-11-18 18:40:34,432 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_pci_remove [2022-11-18 18:40:34,432 INFO L130 BoogieDeclarations]: Found specification of procedure skd_isr_fwstate [2022-11-18 18:40:34,432 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_isr_fwstate [2022-11-18 18:40:34,432 INFO L130 BoogieDeclarations]: Found specification of procedure skd_drive_disappeared [2022-11-18 18:40:34,432 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_drive_disappeared [2022-11-18 18:40:34,433 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2022-11-18 18:40:34,433 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2022-11-18 18:40:34,433 INFO L130 BoogieDeclarations]: Found specification of procedure skd_release_skreq [2022-11-18 18:40:34,433 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_release_skreq [2022-11-18 18:40:34,433 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-18 18:40:34,433 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-18 18:40:34,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-18 18:40:34,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-18 18:40:34,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-18 18:40:34,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-18 18:40:34,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-18 18:40:34,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-18 18:40:34,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 18:40:34,434 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2022-11-18 18:40:34,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2022-11-18 18:40:34,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-18 18:40:34,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-18 18:40:34,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_110 [2022-11-18 18:40:34,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_110 [2022-11-18 18:40:34,435 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-18 18:40:34,435 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-18 18:40:34,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 18:40:34,435 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-18 18:40:34,435 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-18 18:40:34,435 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-18 18:40:34,435 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-18 18:40:34,435 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2022-11-18 18:40:34,436 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2022-11-18 18:40:34,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 18:40:34,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-18 18:40:34,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-18 18:40:34,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-18 18:40:34,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-18 18:40:34,436 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2022-11-18 18:40:34,436 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2022-11-18 18:40:34,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-18 18:40:34,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-18 18:40:34,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 18:40:34,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-18 18:40:34,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-18 18:40:34,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-18 18:40:34,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-18 18:40:34,437 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2022-11-18 18:40:34,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2022-11-18 18:40:34,437 INFO L130 BoogieDeclarations]: Found specification of procedure skd_log_check_status [2022-11-18 18:40:34,437 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_log_check_status [2022-11-18 18:40:34,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 18:40:34,437 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 18:40:34,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-18 18:40:34,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-18 18:40:34,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-18 18:40:34,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-18 18:40:34,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-18 18:40:34,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-18 18:40:34,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-18 18:40:34,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-18 18:40:34,438 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-18 18:40:34,438 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-18 18:40:34,438 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-11-18 18:40:34,438 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-11-18 18:40:34,438 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_queue [2022-11-18 18:40:34,438 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_queue [2022-11-18 18:40:34,439 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-18 18:40:34,439 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-18 18:40:34,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-18 18:40:34,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-18 18:40:34,439 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-18 18:40:34,439 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-18 18:40:34,439 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-11-18 18:40:34,439 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-11-18 18:40:34,439 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2022-11-18 18:40:34,439 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2022-11-18 18:40:34,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-18 18:40:34,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-18 18:40:34,440 INFO L130 BoogieDeclarations]: Found specification of procedure skd_isr [2022-11-18 18:40:34,440 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_isr [2022-11-18 18:40:34,440 INFO L130 BoogieDeclarations]: Found specification of procedure skd_release_irq [2022-11-18 18:40:34,440 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_release_irq [2022-11-18 18:40:34,440 INFO L130 BoogieDeclarations]: Found specification of procedure skd_free_sg_list [2022-11-18 18:40:34,440 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_free_sg_list [2022-11-18 18:40:34,440 INFO L130 BoogieDeclarations]: Found specification of procedure skd_destruct [2022-11-18 18:40:34,440 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_destruct [2022-11-18 18:40:34,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 18:40:34,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-18 18:40:34,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-18 18:40:34,441 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_request [2022-11-18 18:40:34,441 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_request [2022-11-18 18:40:34,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 18:40:34,441 INFO L130 BoogieDeclarations]: Found specification of procedure skd_send_special_fitmsg [2022-11-18 18:40:34,441 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_send_special_fitmsg [2022-11-18 18:40:34,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-18 18:40:34,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-18 18:40:34,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 18:40:34,441 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_end_request_all [2022-11-18 18:40:34,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_end_request_all [2022-11-18 18:40:34,441 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-18 18:40:34,442 INFO L130 BoogieDeclarations]: Found specification of procedure skd_pci_resume [2022-11-18 18:40:34,442 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_pci_resume [2022-11-18 18:40:34,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_skd_device [2022-11-18 18:40:34,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_skd_device [2022-11-18 18:40:34,442 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-18 18:40:34,442 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-18 18:40:34,442 INFO L130 BoogieDeclarations]: Found specification of procedure skd_release_msix [2022-11-18 18:40:34,442 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_release_msix [2022-11-18 18:40:34,442 INFO L130 BoogieDeclarations]: Found specification of procedure skd_end_request [2022-11-18 18:40:34,442 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_end_request [2022-11-18 18:40:34,442 INFO L130 BoogieDeclarations]: Found specification of procedure skd_recover_requests [2022-11-18 18:40:34,442 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_recover_requests [2022-11-18 18:40:34,442 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-18 18:40:34,443 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-18 18:40:34,443 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2022-11-18 18:40:34,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2022-11-18 18:40:34,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-18 18:40:34,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-18 18:40:34,443 INFO L130 BoogieDeclarations]: Found specification of procedure blk_peek_request [2022-11-18 18:40:34,443 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_peek_request [2022-11-18 18:40:34,443 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-18 18:40:34,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-18 18:40:34,443 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-18 18:40:34,443 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-18 18:40:34,443 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-18 18:40:34,443 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-18 18:40:34,444 INFO L130 BoogieDeclarations]: Found specification of procedure skd_isr_msg_from_dev [2022-11-18 18:40:34,444 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_isr_msg_from_dev [2022-11-18 18:40:34,444 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-18 18:40:34,444 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-18 18:40:34,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 18:40:34,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 18:40:34,444 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2022-11-18 18:40:34,444 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2022-11-18 18:40:34,444 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_irq [2022-11-18 18:40:34,444 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_irq [2022-11-18 18:40:34,444 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-18 18:40:34,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-18 18:40:34,444 INFO L130 BoogieDeclarations]: Found specification of procedure blk_stop_queue [2022-11-18 18:40:34,444 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_stop_queue [2022-11-18 18:40:34,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 18:40:34,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 18:40:34,445 INFO L130 BoogieDeclarations]: Found specification of procedure skd_skdev_state_to_str [2022-11-18 18:40:34,445 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_skdev_state_to_str [2022-11-18 18:40:34,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 18:40:34,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 18:40:34,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-18 18:40:34,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-18 18:40:34,445 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-18 18:40:34,445 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-18 18:40:34,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_skd_device [2022-11-18 18:40:34,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_skd_device [2022-11-18 18:40:34,445 INFO L130 BoogieDeclarations]: Found specification of procedure skd_start_device [2022-11-18 18:40:34,446 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_start_device [2022-11-18 18:40:34,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-18 18:40:34,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-18 18:40:34,446 INFO L130 BoogieDeclarations]: Found specification of procedure skd_postop_sg_list [2022-11-18 18:40:34,446 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_postop_sg_list [2022-11-18 18:40:34,446 INFO L130 BoogieDeclarations]: Found specification of procedure skd_request_fn [2022-11-18 18:40:34,446 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_request_fn [2022-11-18 18:40:34,446 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2022-11-18 18:40:34,446 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2022-11-18 18:40:34,446 INFO L130 BoogieDeclarations]: Found specification of procedure skd_send_fitmsg [2022-11-18 18:40:34,446 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_send_fitmsg [2022-11-18 18:40:34,446 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2022-11-18 18:40:34,447 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2022-11-18 18:40:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_sectors [2022-11-18 18:40:34,447 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_sectors [2022-11-18 18:40:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure skd_log_skreq [2022-11-18 18:40:34,447 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_log_skreq [2022-11-18 18:40:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 18:40:34,447 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 18:40:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure skd_disable_interrupts [2022-11-18 18:40:34,447 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_disable_interrupts [2022-11-18 18:40:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-18 18:40:34,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-18 18:40:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-18 18:40:34,448 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-18 18:40:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure skd_drive_fault [2022-11-18 18:40:34,448 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_drive_fault [2022-11-18 18:40:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-18 18:40:34,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-18 18:40:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure skd_isr_completion_posted [2022-11-18 18:40:34,448 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_isr_completion_posted [2022-11-18 18:40:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2022-11-18 18:40:34,448 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2022-11-18 18:40:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-18 18:40:34,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-18 18:40:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 18:40:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-18 18:40:34,449 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-18 18:40:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-18 18:40:34,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-18 18:40:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure skd_sg_io_copy_buffer [2022-11-18 18:40:34,449 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_sg_io_copy_buffer [2022-11-18 18:40:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-18 18:40:34,449 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-18 18:40:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 18:40:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure skd_reg_write64 [2022-11-18 18:40:34,449 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_reg_write64 [2022-11-18 18:40:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-11-18 18:40:34,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-11-18 18:40:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-11-18 18:40:34,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-11-18 18:40:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 18:40:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-18 18:40:34,450 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-18 18:40:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2022-11-18 18:40:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-18 18:40:34,450 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-18 18:40:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-18 18:40:34,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-18 18:40:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-18 18:40:34,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-18 18:40:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure skd_soft_reset [2022-11-18 18:40:34,450 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_soft_reset [2022-11-18 18:40:34,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-18 18:40:34,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-18 18:40:34,451 INFO L130 BoogieDeclarations]: Found specification of procedure skd_start_timer [2022-11-18 18:40:34,451 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_start_timer [2022-11-18 18:40:34,451 INFO L130 BoogieDeclarations]: Found specification of procedure skd_reg_write32 [2022-11-18 18:40:34,451 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_reg_write32 [2022-11-18 18:40:34,451 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2022-11-18 18:40:34,451 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2022-11-18 18:40:34,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-18 18:40:34,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-18 18:40:34,452 INFO L130 BoogieDeclarations]: Found specification of procedure blk_requeue_request [2022-11-18 18:40:34,452 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_requeue_request [2022-11-18 18:40:34,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-18 18:40:34,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-18 18:40:34,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-18 18:40:34,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-18 18:40:34,452 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-18 18:40:34,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-18 18:40:34,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_devm_free_irq [2022-11-18 18:40:34,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_devm_free_irq [2022-11-18 18:40:34,453 INFO L130 BoogieDeclarations]: Found specification of procedure skd_reg_read32 [2022-11-18 18:40:34,453 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_reg_read32 [2022-11-18 18:40:34,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-18 18:40:34,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-18 18:40:34,453 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 18:40:34,453 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 18:40:34,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 18:40:34,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-18 18:40:34,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-18 18:40:34,454 INFO L130 BoogieDeclarations]: Found specification of procedure skd_send_internal_skspcl [2022-11-18 18:40:34,454 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_send_internal_skspcl [2022-11-18 18:40:34,454 INFO L130 BoogieDeclarations]: Found specification of procedure skd_release_special [2022-11-18 18:40:34,454 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_release_special [2022-11-18 18:40:34,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 18:40:34,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 18:40:34,455 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2022-11-18 18:40:34,455 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2022-11-18 18:40:34,455 INFO L130 BoogieDeclarations]: Found specification of procedure skd_drive_state_to_str [2022-11-18 18:40:34,455 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_drive_state_to_str [2022-11-18 18:40:34,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-18 18:40:34,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-18 18:40:34,456 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-18 18:40:34,456 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-18 18:40:34,456 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-18 18:40:34,456 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-18 18:40:34,456 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-11-18 18:40:34,456 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-11-18 18:40:34,456 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-11-18 18:40:34,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-11-18 18:40:34,457 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-18 18:40:34,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-18 18:40:34,457 INFO L130 BoogieDeclarations]: Found specification of procedure skd_name [2022-11-18 18:40:34,457 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_name [2022-11-18 18:40:34,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-18 18:40:34,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-18 18:40:34,458 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-18 18:40:34,458 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-18 18:40:34,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-18 18:40:34,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-18 18:40:34,458 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-18 18:40:34,458 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-18 18:40:34,458 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-18 18:40:34,458 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-18 18:40:34,459 INFO L130 BoogieDeclarations]: Found specification of procedure devm_free_irq [2022-11-18 18:40:34,459 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_free_irq [2022-11-18 18:40:34,459 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-18 18:40:34,459 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-18 18:40:34,459 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-18 18:40:34,459 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-18 18:40:34,459 INFO L130 BoogieDeclarations]: Found specification of procedure sg_virt [2022-11-18 18:40:34,460 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_virt [2022-11-18 18:40:34,460 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-18 18:40:34,460 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-18 18:40:34,460 INFO L130 BoogieDeclarations]: Found specification of procedure skd_pci_shutdown [2022-11-18 18:40:34,460 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_pci_shutdown [2022-11-18 18:40:34,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 18:40:34,460 INFO L130 BoogieDeclarations]: Found specification of procedure skd_stop_device [2022-11-18 18:40:34,460 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_stop_device [2022-11-18 18:40:34,461 INFO L130 BoogieDeclarations]: Found specification of procedure skd_acquire_irq [2022-11-18 18:40:34,461 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_acquire_irq [2022-11-18 18:40:34,461 INFO L130 BoogieDeclarations]: Found specification of procedure skd_log_skdev [2022-11-18 18:40:34,461 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_log_skdev [2022-11-18 18:40:36,080 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 18:40:36,084 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 18:40:36,330 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 18:40:36,518 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6358: assume 0 != __copy_to_user_nocheck_~tmp___1~7#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-11-18 18:40:36,518 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6358: assume !(0 != __copy_to_user_nocheck_~tmp___1~7#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-11-18 18:40:36,518 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6321: SUMMARY for call __copy_to_user_nocheck_#t~ret274#1 := copy_user_generic(__copy_to_user_nocheck_~dst#1.base, __copy_to_user_nocheck_~dst#1.offset, __copy_to_user_nocheck_~src#1.base, __copy_to_user_nocheck_~src#1.offset, __copy_to_user_nocheck_~size#1); srcloc: null [2022-11-18 18:40:36,519 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6317: assume 16 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-11-18 18:40:36,519 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6317: assume !(16 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-11-18 18:40:36,519 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6342: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret272#1 && __copy_to_user_nocheck_#t~ret272#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___0~11#1 := __copy_to_user_nocheck_#t~ret272#1;havoc __copy_to_user_nocheck_#t~ret272#1; [2022-11-18 18:40:36,519 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6313: assume 10 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-11-18 18:40:36,519 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6313: assume !(10 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-11-18 18:40:36,519 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6309: assume 8 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-11-18 18:40:36,519 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6309: assume !(8 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-11-18 18:40:36,520 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6305: assume 4 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-11-18 18:40:36,520 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6305: assume !(4 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-11-18 18:40:36,520 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6301: assume 2 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-11-18 18:40:36,520 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6301: assume !(2 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-11-18 18:40:36,520 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6318: SUMMARY for call __copy_to_user_nocheck_#t~ret273#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~3#1 then 1 else 0), 0); srcloc: null [2022-11-18 18:40:36,520 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6314: SUMMARY for call __copy_to_user_nocheck_#t~ret272#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~3#1 then 1 else 0), 0); srcloc: null [2022-11-18 18:40:36,520 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-11-18 18:40:36,521 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6310: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-11-18 18:40:36,521 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6306: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-11-18 18:40:36,521 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-11-18 18:40:36,521 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6302: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-11-18 18:40:36,521 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6368: __copy_to_user_nocheck_~tmp___2~2#1 := __copy_to_user_nocheck_#t~ret274#1;havoc __copy_to_user_nocheck_#t~ret274#1;__copy_to_user_nocheck_#res#1 := (if __copy_to_user_nocheck_~tmp___2~2#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_nocheck_~tmp___2~2#1 % 18446744073709551616 % 4294967296 else __copy_to_user_nocheck_~tmp___2~2#1 % 18446744073709551616 % 4294967296 - 4294967296); [2022-11-18 18:40:36,521 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6298: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-11-18 18:40:36,521 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6356: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret273#1 && __copy_to_user_nocheck_#t~ret273#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___1~7#1 := __copy_to_user_nocheck_#t~ret273#1;havoc __copy_to_user_nocheck_#t~ret273#1; [2022-11-18 18:40:36,521 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6344: assume 0 != __copy_to_user_nocheck_~tmp___0~11#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-11-18 18:40:36,522 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6344: assume !(0 != __copy_to_user_nocheck_~tmp___0~11#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-11-18 18:40:48,740 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6208: assume 16 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-11-18 18:40:48,740 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6208: assume !(16 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-11-18 18:40:48,740 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6204: assume 10 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-11-18 18:40:48,741 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6204: assume !(10 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-11-18 18:40:48,741 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6200: assume 8 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-11-18 18:40:48,741 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6200: assume !(8 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-11-18 18:40:48,741 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6196: assume 4 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-11-18 18:40:48,741 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6196: assume !(4 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-11-18 18:40:48,741 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6192: assume 2 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-11-18 18:40:48,741 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6192: assume !(2 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-11-18 18:40:48,741 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6238: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret267#1 && __copy_from_user_nocheck_#t~ret267#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___0~10#1 := __copy_from_user_nocheck_#t~ret267#1;havoc __copy_from_user_nocheck_#t~ret267#1; [2022-11-18 18:40:48,741 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6209: SUMMARY for call __copy_from_user_nocheck_#t~ret268#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~2#1 then 1 else 0), 0); srcloc: null [2022-11-18 18:40:48,742 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6205: SUMMARY for call __copy_from_user_nocheck_#t~ret267#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~2#1 then 1 else 0), 0); srcloc: null [2022-11-18 18:40:48,742 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6201: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-11-18 18:40:48,742 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6197: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-11-18 18:40:48,742 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6255: assume 0 != __copy_from_user_nocheck_~tmp___1~6#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-11-18 18:40:48,742 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6255: assume !(0 != __copy_from_user_nocheck_~tmp___1~6#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-11-18 18:40:48,742 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6193: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-11-18 18:40:48,742 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6189: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-11-18 18:40:48,742 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-11-18 18:40:48,742 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-11-18 18:40:48,743 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6240: assume 0 != __copy_from_user_nocheck_~tmp___0~10#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-11-18 18:40:48,743 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6240: assume !(0 != __copy_from_user_nocheck_~tmp___0~10#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-11-18 18:40:48,743 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6265: __copy_from_user_nocheck_~tmp___2~1#1 := __copy_from_user_nocheck_#t~ret269#1;havoc __copy_from_user_nocheck_#t~ret269#1;__copy_from_user_nocheck_#res#1 := (if __copy_from_user_nocheck_~tmp___2~1#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_nocheck_~tmp___2~1#1 % 18446744073709551616 % 4294967296 else __copy_from_user_nocheck_~tmp___2~1#1 % 18446744073709551616 % 4294967296 - 4294967296); [2022-11-18 18:40:48,743 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6253: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret268#1 && __copy_from_user_nocheck_#t~ret268#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___1~6#1 := __copy_from_user_nocheck_#t~ret268#1;havoc __copy_from_user_nocheck_#t~ret268#1; [2022-11-18 18:40:48,743 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6212: SUMMARY for call __copy_from_user_nocheck_#t~ret269#1 := copy_user_generic(__copy_from_user_nocheck_~dst#1.base, __copy_from_user_nocheck_~dst#1.offset, __copy_from_user_nocheck_~src#1.base, __copy_from_user_nocheck_~src#1.offset, __copy_from_user_nocheck_~size#1); srcloc: null [2022-11-18 18:40:58,570 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 18:40:58,593 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 18:40:58,593 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-18 18:40:58,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:40:58 BoogieIcfgContainer [2022-11-18 18:40:58,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 18:40:58,602 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 18:40:58,602 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 18:40:58,606 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 18:40:58,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:40:25" (1/3) ... [2022-11-18 18:40:58,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@327b9efe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:40:58, skipping insertion in model container [2022-11-18 18:40:58,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:40:32" (2/3) ... [2022-11-18 18:40:58,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@327b9efe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:40:58, skipping insertion in model container [2022-11-18 18:40:58,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:40:58" (3/3) ... [2022-11-18 18:40:58,609 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--block--skd.ko.cil.i [2022-11-18 18:40:58,628 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 18:40:58,628 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2022-11-18 18:40:58,759 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 18:40:58,767 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=PETRI_NET, 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;@59d01338, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 18:40:58,768 INFO L358 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2022-11-18 18:40:58,781 INFO L276 IsEmpty]: Start isEmpty. Operand has 3708 states, 2615 states have (on average 1.3506692160611855) internal successors, (3532), 2733 states have internal predecessors, (3532), 899 states have call successors, (899), 161 states have call predecessors, (899), 160 states have return successors, (889), 855 states have call predecessors, (889), 889 states have call successors, (889) [2022-11-18 18:40:58,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-18 18:40:58,792 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:40:58,793 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:40:58,794 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 32 more)] === [2022-11-18 18:40:58,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:40:58,799 INFO L85 PathProgramCache]: Analyzing trace with hash 507353552, now seen corresponding path program 1 times [2022-11-18 18:40:58,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:40:58,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874740834] [2022-11-18 18:40:58,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:40:58,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:40:59,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:00,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:41:00,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:00,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 18:41:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:00,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-18 18:41:00,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:00,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 18:41:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:00,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 18:41:00,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:00,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-18 18:41:00,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:00,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:41:00,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:00,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 18:41:00,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:00,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 18:41:00,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:00,446 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-18 18:41:00,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:41:00,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874740834] [2022-11-18 18:41:00,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874740834] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:41:00,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:41:00,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:41:00,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129372557] [2022-11-18 18:41:00,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:41:00,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 18:41:00,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:41:00,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 18:41:00,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:41:00,503 INFO L87 Difference]: Start difference. First operand has 3708 states, 2615 states have (on average 1.3506692160611855) internal successors, (3532), 2733 states have internal predecessors, (3532), 899 states have call successors, (899), 161 states have call predecessors, (899), 160 states have return successors, (889), 855 states have call predecessors, (889), 889 states have call successors, (889) Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-18 18:41:04,183 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 [] [2022-11-18 18:41:14,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:41:19,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:41:36,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:41:36,832 INFO L93 Difference]: Finished difference Result 10813 states and 15862 transitions. [2022-11-18 18:41:36,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 18:41:36,834 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 72 [2022-11-18 18:41:36,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:41:36,901 INFO L225 Difference]: With dead ends: 10813 [2022-11-18 18:41:36,902 INFO L226 Difference]: Without dead ends: 7083 [2022-11-18 18:41:36,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-18 18:41:36,940 INFO L413 NwaCegarLoop]: 2130 mSDtfsCounter, 12086 mSDsluCounter, 3455 mSDsCounter, 0 mSdLazyCounter, 9934 mSolverCounterSat, 6270 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12402 SdHoareTripleChecker+Valid, 5585 SdHoareTripleChecker+Invalid, 16207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6270 IncrementalHoareTripleChecker+Valid, 9934 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:41:36,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12402 Valid, 5585 Invalid, 16207 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6270 Valid, 9934 Invalid, 3 Unknown, 0 Unchecked, 35.0s Time] [2022-11-18 18:41:36,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7083 states. [2022-11-18 18:41:37,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7083 to 6859. [2022-11-18 18:41:37,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6859 states, 4857 states have (on average 1.3271566810788553) internal successors, (6446), 5046 states have internal predecessors, (6446), 1673 states have call successors, (1673), 296 states have call predecessors, (1673), 295 states have return successors, (1673), 1600 states have call predecessors, (1673), 1671 states have call successors, (1673) [2022-11-18 18:41:37,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6859 states to 6859 states and 9792 transitions. [2022-11-18 18:41:37,792 INFO L78 Accepts]: Start accepts. Automaton has 6859 states and 9792 transitions. Word has length 72 [2022-11-18 18:41:37,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:41:37,793 INFO L495 AbstractCegarLoop]: Abstraction has 6859 states and 9792 transitions. [2022-11-18 18:41:37,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-18 18:41:37,794 INFO L276 IsEmpty]: Start isEmpty. Operand 6859 states and 9792 transitions. [2022-11-18 18:41:37,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-18 18:41:37,806 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:41:37,806 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:41:37,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 18:41:37,807 INFO L420 AbstractCegarLoop]: === Iteration 2 === 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 32 more)] === [2022-11-18 18:41:37,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:41:37,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1798660329, now seen corresponding path program 1 times [2022-11-18 18:41:37,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:41:37,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049889894] [2022-11-18 18:41:37,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:41:37,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:41:38,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:39,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:41:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:39,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 18:41:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:39,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 18:41:39,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:39,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 18:41:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:39,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 18:41:39,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:39,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 18:41:39,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:39,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:41:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:39,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 18:41:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:39,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 18:41:39,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:39,320 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-18 18:41:39,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:41:39,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049889894] [2022-11-18 18:41:39,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049889894] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:41:39,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:41:39,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:41:39,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911498826] [2022-11-18 18:41:39,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:41:39,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:41:39,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:41:39,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:41:39,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:41:39,324 INFO L87 Difference]: Start difference. First operand 6859 states and 9792 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-18 18:41:55,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:42:02,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:42:09,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:42:24,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:42:24,283 INFO L93 Difference]: Finished difference Result 13670 states and 19531 transitions. [2022-11-18 18:42:24,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 18:42:24,284 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (10), 4 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 73 [2022-11-18 18:42:24,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:42:24,466 INFO L225 Difference]: With dead ends: 13670 [2022-11-18 18:42:24,466 INFO L226 Difference]: Without dead ends: 13668 [2022-11-18 18:42:24,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-18 18:42:24,474 INFO L413 NwaCegarLoop]: 2078 mSDtfsCounter, 13276 mSDsluCounter, 4677 mSDsCounter, 0 mSdLazyCounter, 14317 mSolverCounterSat, 6616 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13620 SdHoareTripleChecker+Valid, 6755 SdHoareTripleChecker+Invalid, 20935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6616 IncrementalHoareTripleChecker+Valid, 14317 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.6s IncrementalHoareTripleChecker+Time [2022-11-18 18:42:24,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13620 Valid, 6755 Invalid, 20935 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6616 Valid, 14317 Invalid, 2 Unknown, 0 Unchecked, 43.6s Time] [2022-11-18 18:42:24,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13668 states. [2022-11-18 18:42:25,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13668 to 13449. [2022-11-18 18:42:25,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13449 states, 9556 states have (on average 1.3294265383005441) internal successors, (12704), 9903 states have internal predecessors, (12704), 3289 states have call successors, (3289), 571 states have call predecessors, (3289), 570 states have return successors, (3303), 3141 states have call predecessors, (3303), 3287 states have call successors, (3303) [2022-11-18 18:42:25,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13449 states to 13449 states and 19296 transitions. [2022-11-18 18:42:25,394 INFO L78 Accepts]: Start accepts. Automaton has 13449 states and 19296 transitions. Word has length 73 [2022-11-18 18:42:25,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:42:25,396 INFO L495 AbstractCegarLoop]: Abstraction has 13449 states and 19296 transitions. [2022-11-18 18:42:25,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-18 18:42:25,398 INFO L276 IsEmpty]: Start isEmpty. Operand 13449 states and 19296 transitions. [2022-11-18 18:42:25,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-18 18:42:25,402 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:42:25,402 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:42:25,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 18:42:25,404 INFO L420 AbstractCegarLoop]: === Iteration 3 === 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 32 more)] === [2022-11-18 18:42:25,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:42:25,404 INFO L85 PathProgramCache]: Analyzing trace with hash -117012524, now seen corresponding path program 1 times [2022-11-18 18:42:25,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:42:25,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353351075] [2022-11-18 18:42:25,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:42:25,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:42:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:26,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:42:26,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:26,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 18:42:26,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:26,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 18:42:26,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:26,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 18:42:26,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:26,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 18:42:26,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:26,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 18:42:26,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:26,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:42:26,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:26,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 18:42:26,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:26,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 18:42:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:26,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 18:42:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:26,713 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-18 18:42:26,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:42:26,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353351075] [2022-11-18 18:42:26,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353351075] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:42:26,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:42:26,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:42:26,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566761707] [2022-11-18 18:42:26,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:42:26,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:42:26,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:42:26,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:42:26,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:42:26,716 INFO L87 Difference]: Start difference. First operand 13449 states and 19296 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-18 18:42:34,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:42:35,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:42:41,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:42:48,280 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 [] [2022-11-18 18:43:09,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:43:09,470 INFO L93 Difference]: Finished difference Result 26830 states and 38539 transitions. [2022-11-18 18:43:09,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 18:43:09,471 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (11), 4 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 79 [2022-11-18 18:43:09,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:43:09,602 INFO L225 Difference]: With dead ends: 26830 [2022-11-18 18:43:09,602 INFO L226 Difference]: Without dead ends: 26828 [2022-11-18 18:43:09,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-18 18:43:09,614 INFO L413 NwaCegarLoop]: 2065 mSDtfsCounter, 13251 mSDsluCounter, 4634 mSDsCounter, 0 mSdLazyCounter, 14356 mSolverCounterSat, 6623 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13597 SdHoareTripleChecker+Valid, 6699 SdHoareTripleChecker+Invalid, 20981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6623 IncrementalHoareTripleChecker+Valid, 14356 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.2s IncrementalHoareTripleChecker+Time [2022-11-18 18:43:09,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13597 Valid, 6699 Invalid, 20981 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6623 Valid, 14356 Invalid, 2 Unknown, 0 Unchecked, 41.2s Time] [2022-11-18 18:43:09,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26828 states. [2022-11-18 18:43:11,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26828 to 26594. [2022-11-18 18:43:11,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26594 states, 18906 states have (on average 1.330741563524807) internal successors, (25159), 19573 states have internal predecessors, (25159), 6531 states have call successors, (6531), 1124 states have call predecessors, (6531), 1123 states have return successors, (6595), 6229 states have call predecessors, (6595), 6529 states have call successors, (6595) [2022-11-18 18:43:11,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26594 states to 26594 states and 38285 transitions. [2022-11-18 18:43:11,496 INFO L78 Accepts]: Start accepts. Automaton has 26594 states and 38285 transitions. Word has length 79 [2022-11-18 18:43:11,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:43:11,497 INFO L495 AbstractCegarLoop]: Abstraction has 26594 states and 38285 transitions. [2022-11-18 18:43:11,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-18 18:43:11,498 INFO L276 IsEmpty]: Start isEmpty. Operand 26594 states and 38285 transitions. [2022-11-18 18:43:11,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-18 18:43:11,499 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:43:11,499 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:43:11,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 18:43:11,500 INFO L420 AbstractCegarLoop]: === Iteration 4 === 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 32 more)] === [2022-11-18 18:43:11,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:11,500 INFO L85 PathProgramCache]: Analyzing trace with hash -600666331, now seen corresponding path program 1 times [2022-11-18 18:43:11,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:11,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064428451] [2022-11-18 18:43:11,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:11,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:11,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:43:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 18:43:12,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 18:43:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 18:43:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 18:43:12,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 18:43:12,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:12,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 18:43:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 18:43:12,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 18:43:12,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-18 18:43:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:12,638 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-18 18:43:12,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:12,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064428451] [2022-11-18 18:43:12,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064428451] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:43:12,639 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:43:12,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:43:12,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243974650] [2022-11-18 18:43:12,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:43:12,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:43:12,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:12,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:43:12,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:43:12,643 INFO L87 Difference]: Start difference. First operand 26594 states and 38285 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-18 18:43:18,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:43:23,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:43:29,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:43:53,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:43:53,846 INFO L93 Difference]: Finished difference Result 40464 states and 58237 transitions. [2022-11-18 18:43:53,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 18:43:53,847 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (12), 4 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 85 [2022-11-18 18:43:53,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:43:54,045 INFO L225 Difference]: With dead ends: 40464 [2022-11-18 18:43:54,045 INFO L226 Difference]: Without dead ends: 40462 [2022-11-18 18:43:54,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-18 18:43:54,074 INFO L413 NwaCegarLoop]: 2080 mSDtfsCounter, 13099 mSDsluCounter, 4669 mSDsCounter, 0 mSdLazyCounter, 14519 mSolverCounterSat, 6595 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13444 SdHoareTripleChecker+Valid, 6749 SdHoareTripleChecker+Invalid, 21116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6595 IncrementalHoareTripleChecker+Valid, 14519 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.3s IncrementalHoareTripleChecker+Time [2022-11-18 18:43:54,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13444 Valid, 6749 Invalid, 21116 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6595 Valid, 14519 Invalid, 2 Unknown, 0 Unchecked, 39.3s Time] [2022-11-18 18:43:54,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40462 states. [2022-11-18 18:43:56,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40462 to 40263. [2022-11-18 18:43:56,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40263 states, 28664 states have (on average 1.3306586659224113) internal successors, (38142), 29653 states have internal predecessors, (38142), 9877 states have call successors, (9877), 1689 states have call predecessors, (9877), 1688 states have return successors, (10013), 9421 states have call predecessors, (10013), 9875 states have call successors, (10013) [2022-11-18 18:43:56,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40263 states to 40263 states and 58032 transitions. [2022-11-18 18:43:56,533 INFO L78 Accepts]: Start accepts. Automaton has 40263 states and 58032 transitions. Word has length 85 [2022-11-18 18:43:56,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:43:56,533 INFO L495 AbstractCegarLoop]: Abstraction has 40263 states and 58032 transitions. [2022-11-18 18:43:56,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-18 18:43:56,534 INFO L276 IsEmpty]: Start isEmpty. Operand 40263 states and 58032 transitions. [2022-11-18 18:43:56,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-18 18:43:56,535 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:43:56,535 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:43:56,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 18:43:56,536 INFO L420 AbstractCegarLoop]: === Iteration 5 === 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 32 more)] === [2022-11-18 18:43:56,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:56,536 INFO L85 PathProgramCache]: Analyzing trace with hash 189645438, now seen corresponding path program 1 times [2022-11-18 18:43:56,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:56,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393793390] [2022-11-18 18:43:56,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:56,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:57,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:43:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:57,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 18:43:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:57,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 18:43:57,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:57,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 18:43:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:57,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 18:43:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:57,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 18:43:57,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:57,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:43:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:57,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 18:43:57,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:57,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 18:43:57,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:57,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 18:43:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:57,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-18 18:43:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:58,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 18:43:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:58,024 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-18 18:43:58,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:58,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393793390] [2022-11-18 18:43:58,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393793390] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:43:58,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:43:58,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:43:58,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052532253] [2022-11-18 18:43:58,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:43:58,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:43:58,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:58,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:43:58,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:43:58,026 INFO L87 Difference]: Start difference. First operand 40263 states and 58032 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-18 18:44:07,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:44:13,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:44:28,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:44:28,446 INFO L93 Difference]: Finished difference Result 41149 states and 59304 transitions. [2022-11-18 18:44:28,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 18:44:28,447 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (13), 4 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 91 [2022-11-18 18:44:28,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:44:28,620 INFO L225 Difference]: With dead ends: 41149 [2022-11-18 18:44:28,620 INFO L226 Difference]: Without dead ends: 41147 [2022-11-18 18:44:28,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-18 18:44:28,643 INFO L413 NwaCegarLoop]: 1705 mSDtfsCounter, 10073 mSDsluCounter, 3312 mSDsCounter, 0 mSdLazyCounter, 10174 mSolverCounterSat, 4495 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10420 SdHoareTripleChecker+Valid, 5017 SdHoareTripleChecker+Invalid, 14671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4495 IncrementalHoareTripleChecker+Valid, 10174 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.6s IncrementalHoareTripleChecker+Time [2022-11-18 18:44:28,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10420 Valid, 5017 Invalid, 14671 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4495 Valid, 10174 Invalid, 2 Unknown, 0 Unchecked, 28.6s Time] [2022-11-18 18:44:28,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41147 states. [2022-11-18 18:44:30,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41147 to 41140. [2022-11-18 18:44:30,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41140 states, 29326 states have (on average 1.3318215917615768) internal successors, (39057), 30337 states have internal predecessors, (39057), 10050 states have call successors, (10050), 1731 states have call predecessors, (10050), 1731 states have return successors, (10188), 9580 states have call predecessors, (10188), 10048 states have call successors, (10188) [2022-11-18 18:44:31,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41140 states to 41140 states and 59295 transitions. [2022-11-18 18:44:31,114 INFO L78 Accepts]: Start accepts. Automaton has 41140 states and 59295 transitions. Word has length 91 [2022-11-18 18:44:31,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:44:31,115 INFO L495 AbstractCegarLoop]: Abstraction has 41140 states and 59295 transitions. [2022-11-18 18:44:31,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-18 18:44:31,116 INFO L276 IsEmpty]: Start isEmpty. Operand 41140 states and 59295 transitions. [2022-11-18 18:44:31,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-11-18 18:44:31,123 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:44:31,123 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:44:31,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 18:44:31,123 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 32 more)] === [2022-11-18 18:44:31,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:44:31,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1162001683, now seen corresponding path program 1 times [2022-11-18 18:44:31,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:44:31,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518910349] [2022-11-18 18:44:31,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:44:31,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:44:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:32,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:44:32,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:32,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 18:44:32,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:32,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 18:44:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:32,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 18:44:32,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:32,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 18:44:32,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:32,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 18:44:32,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:32,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:32,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:32,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 18:44:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:32,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 18:44:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:32,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 18:44:32,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:32,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-18 18:44:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:32,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 18:44:32,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:32,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-18 18:44:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:32,233 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-18 18:44:32,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:44:32,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518910349] [2022-11-18 18:44:32,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518910349] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:44:32,234 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:44:32,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:44:32,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039095638] [2022-11-18 18:44:32,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:44:32,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:44:32,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:44:32,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:44:32,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:44:32,237 INFO L87 Difference]: Start difference. First operand 41140 states and 59295 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-18 18:44:38,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:44:43,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:44:50,406 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 [] [2022-11-18 18:45:05,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:45:05,560 INFO L93 Difference]: Finished difference Result 41147 states and 59302 transitions. [2022-11-18 18:45:05,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 18:45:05,561 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (14), 4 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 97 [2022-11-18 18:45:05,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:45:05,769 INFO L225 Difference]: With dead ends: 41147 [2022-11-18 18:45:05,769 INFO L226 Difference]: Without dead ends: 41145 [2022-11-18 18:45:05,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-18 18:45:05,802 INFO L413 NwaCegarLoop]: 1705 mSDtfsCounter, 10177 mSDsluCounter, 3312 mSDsCounter, 0 mSdLazyCounter, 10038 mSolverCounterSat, 4517 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10523 SdHoareTripleChecker+Valid, 5017 SdHoareTripleChecker+Invalid, 14557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4517 IncrementalHoareTripleChecker+Valid, 10038 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.2s IncrementalHoareTripleChecker+Time [2022-11-18 18:45:05,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10523 Valid, 5017 Invalid, 14557 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4517 Valid, 10038 Invalid, 2 Unknown, 0 Unchecked, 31.2s Time] [2022-11-18 18:45:05,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41145 states. [2022-11-18 18:45:07,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41145 to 41138. [2022-11-18 18:45:08,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41138 states, 29325 states have (on average 1.3317988064791133) internal successors, (39055), 30335 states have internal predecessors, (39055), 10050 states have call successors, (10050), 1731 states have call predecessors, (10050), 1731 states have return successors, (10188), 9580 states have call predecessors, (10188), 10048 states have call successors, (10188) [2022-11-18 18:45:08,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41138 states to 41138 states and 59293 transitions. [2022-11-18 18:45:08,216 INFO L78 Accepts]: Start accepts. Automaton has 41138 states and 59293 transitions. Word has length 97 [2022-11-18 18:45:08,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:45:08,217 INFO L495 AbstractCegarLoop]: Abstraction has 41138 states and 59293 transitions. [2022-11-18 18:45:08,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-18 18:45:08,217 INFO L276 IsEmpty]: Start isEmpty. Operand 41138 states and 59293 transitions. [2022-11-18 18:45:08,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-18 18:45:08,219 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:45:08,219 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:45:08,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 18:45:08,220 INFO L420 AbstractCegarLoop]: === Iteration 7 === 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 32 more)] === [2022-11-18 18:45:08,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:45:08,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1745555542, now seen corresponding path program 1 times [2022-11-18 18:45:08,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:45:08,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137833609] [2022-11-18 18:45:08,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:45:08,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:45:08,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:09,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:45:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:09,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 18:45:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:09,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 18:45:09,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:09,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 18:45:09,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:09,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 18:45:09,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:09,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 18:45:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:09,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:09,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 18:45:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:09,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 18:45:09,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:09,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 18:45:09,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:09,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-18 18:45:09,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:09,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 18:45:09,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:09,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-18 18:45:09,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:09,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-18 18:45:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:09,335 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-18 18:45:09,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:45:09,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137833609] [2022-11-18 18:45:09,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137833609] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:45:09,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:45:09,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:45:09,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571290321] [2022-11-18 18:45:09,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:45:09,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:45:09,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:45:09,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:45:09,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:45:09,338 INFO L87 Difference]: Start difference. First operand 41138 states and 59293 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-18 18:45:16,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:45:21,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:45:28,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:45:44,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:45:44,737 INFO L93 Difference]: Finished difference Result 41145 states and 59300 transitions. [2022-11-18 18:45:44,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 18:45:44,738 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (15), 4 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 103 [2022-11-18 18:45:44,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:45:44,894 INFO L225 Difference]: With dead ends: 41145 [2022-11-18 18:45:44,895 INFO L226 Difference]: Without dead ends: 41143 [2022-11-18 18:45:44,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-18 18:45:44,919 INFO L413 NwaCegarLoop]: 1705 mSDtfsCounter, 10061 mSDsluCounter, 3312 mSDsCounter, 0 mSdLazyCounter, 10166 mSolverCounterSat, 4495 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10406 SdHoareTripleChecker+Valid, 5017 SdHoareTripleChecker+Invalid, 14663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4495 IncrementalHoareTripleChecker+Valid, 10166 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.9s IncrementalHoareTripleChecker+Time [2022-11-18 18:45:44,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10406 Valid, 5017 Invalid, 14663 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4495 Valid, 10166 Invalid, 2 Unknown, 0 Unchecked, 32.9s Time] [2022-11-18 18:45:44,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41143 states. [2022-11-18 18:45:46,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41143 to 41136. [2022-11-18 18:45:47,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41136 states, 29324 states have (on average 1.3317760196426136) internal successors, (39053), 30333 states have internal predecessors, (39053), 10050 states have call successors, (10050), 1731 states have call predecessors, (10050), 1731 states have return successors, (10188), 9580 states have call predecessors, (10188), 10048 states have call successors, (10188) [2022-11-18 18:45:47,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41136 states to 41136 states and 59291 transitions. [2022-11-18 18:45:47,187 INFO L78 Accepts]: Start accepts. Automaton has 41136 states and 59291 transitions. Word has length 103 [2022-11-18 18:45:47,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:45:47,187 INFO L495 AbstractCegarLoop]: Abstraction has 41136 states and 59291 transitions. [2022-11-18 18:45:47,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-18 18:45:47,188 INFO L276 IsEmpty]: Start isEmpty. Operand 41136 states and 59291 transitions. [2022-11-18 18:45:47,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-18 18:45:47,190 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:45:47,190 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:45:47,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 18:45:47,190 INFO L420 AbstractCegarLoop]: === Iteration 8 === 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 32 more)] === [2022-11-18 18:45:47,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:45:47,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1019944538, now seen corresponding path program 1 times [2022-11-18 18:45:47,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:45:47,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834378355] [2022-11-18 18:45:47,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:45:47,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:45:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:48,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:45:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:48,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 18:45:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:48,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 18:45:48,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:48,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 18:45:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:48,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 18:45:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:48,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 18:45:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:48,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:45:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:48,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 18:45:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:48,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 18:45:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:48,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 18:45:48,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:48,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-18 18:45:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:48,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 18:45:48,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:48,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-18 18:45:48,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:48,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-18 18:45:48,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:48,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-18 18:45:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:48,199 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-18 18:45:48,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:45:48,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834378355] [2022-11-18 18:45:48,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834378355] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:45:48,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:45:48,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:45:48,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293638225] [2022-11-18 18:45:48,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:45:48,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:45:48,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:45:48,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:45:48,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:45:48,201 INFO L87 Difference]: Start difference. First operand 41136 states and 59291 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-18 18:45:54,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:45:59,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:46:05,762 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 [] [2022-11-18 18:46:21,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:46:21,438 INFO L93 Difference]: Finished difference Result 41143 states and 59298 transitions. [2022-11-18 18:46:21,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 18:46:21,439 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (16), 4 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 109 [2022-11-18 18:46:21,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:46:21,562 INFO L225 Difference]: With dead ends: 41143 [2022-11-18 18:46:21,562 INFO L226 Difference]: Without dead ends: 41141 [2022-11-18 18:46:21,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-18 18:46:21,590 INFO L413 NwaCegarLoop]: 1705 mSDtfsCounter, 10055 mSDsluCounter, 3312 mSDsCounter, 0 mSdLazyCounter, 10162 mSolverCounterSat, 4495 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10399 SdHoareTripleChecker+Valid, 5017 SdHoareTripleChecker+Invalid, 14659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4495 IncrementalHoareTripleChecker+Valid, 10162 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.8s IncrementalHoareTripleChecker+Time [2022-11-18 18:46:21,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10399 Valid, 5017 Invalid, 14659 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4495 Valid, 10162 Invalid, 2 Unknown, 0 Unchecked, 30.8s Time] [2022-11-18 18:46:21,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41141 states. [2022-11-18 18:46:23,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41141 to 41134. [2022-11-18 18:46:23,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41134 states, 29323 states have (on average 1.3317532312519182) internal successors, (39051), 30331 states have internal predecessors, (39051), 10050 states have call successors, (10050), 1731 states have call predecessors, (10050), 1731 states have return successors, (10188), 9580 states have call predecessors, (10188), 10048 states have call successors, (10188) [2022-11-18 18:46:23,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41134 states to 41134 states and 59289 transitions. [2022-11-18 18:46:23,713 INFO L78 Accepts]: Start accepts. Automaton has 41134 states and 59289 transitions. Word has length 109 [2022-11-18 18:46:23,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:46:23,714 INFO L495 AbstractCegarLoop]: Abstraction has 41134 states and 59289 transitions. [2022-11-18 18:46:23,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-18 18:46:23,714 INFO L276 IsEmpty]: Start isEmpty. Operand 41134 states and 59289 transitions. [2022-11-18 18:46:23,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-18 18:46:23,716 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:46:23,716 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:46:23,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 18:46:23,717 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-18 18:46:23,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:23,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1662439608, now seen corresponding path program 1 times [2022-11-18 18:46:23,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:46:23,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057483643] [2022-11-18 18:46:23,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:23,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:46:24,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:24,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:46:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:24,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 18:46:24,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:24,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 18:46:24,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:24,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 18:46:24,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:24,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:46:24,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:24,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:46:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:24,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:46:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:24,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-18 18:46:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:24,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:46:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:24,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:46:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:24,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:46:24,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:24,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 18:46:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:24,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:46:24,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:24,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:46:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:24,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:46:24,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:24,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 18:46:24,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:24,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-18 18:46:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:25,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-18 18:46:25,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:25,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-18 18:46:25,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:25,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-18 18:46:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:25,066 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-11-18 18:46:25,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:46:25,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057483643] [2022-11-18 18:46:25,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057483643] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:46:25,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:46:25,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 18:46:25,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487493412] [2022-11-18 18:46:25,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:46:25,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 18:46:25,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:46:25,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 18:46:25,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-18 18:46:25,069 INFO L87 Difference]: Start difference. First operand 41134 states and 59289 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-18 18:46:29,362 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 [] [2022-11-18 18:46:37,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:46:38,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:46:40,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:46:51,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:46:59,289 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 [] [2022-11-18 18:47:32,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:47:32,435 INFO L93 Difference]: Finished difference Result 91643 states and 131278 transitions. [2022-11-18 18:47:32,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-18 18:47:32,436 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 130 [2022-11-18 18:47:32,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:47:32,610 INFO L225 Difference]: With dead ends: 91643 [2022-11-18 18:47:32,610 INFO L226 Difference]: Without dead ends: 50539 [2022-11-18 18:47:32,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2022-11-18 18:47:32,777 INFO L413 NwaCegarLoop]: 1599 mSDtfsCounter, 25831 mSDsluCounter, 5032 mSDsCounter, 0 mSdLazyCounter, 19869 mSolverCounterSat, 15539 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26143 SdHoareTripleChecker+Valid, 6631 SdHoareTripleChecker+Invalid, 35412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 15539 IncrementalHoareTripleChecker+Valid, 19869 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62.9s IncrementalHoareTripleChecker+Time [2022-11-18 18:47:32,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26143 Valid, 6631 Invalid, 35412 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [15539 Valid, 19869 Invalid, 4 Unknown, 0 Unchecked, 62.9s Time] [2022-11-18 18:47:32,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50539 states. [2022-11-18 18:47:35,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50539 to 48890. [2022-11-18 18:47:35,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48890 states, 34627 states have (on average 1.3183642822075259) internal successors, (45651), 35719 states have internal predecessors, (45651), 11862 states have call successors, (11862), 2359 states have call predecessors, (11862), 2371 states have return successors, (12032), 11372 states have call predecessors, (12032), 11860 states have call successors, (12032) [2022-11-18 18:47:35,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48890 states to 48890 states and 69545 transitions. [2022-11-18 18:47:35,911 INFO L78 Accepts]: Start accepts. Automaton has 48890 states and 69545 transitions. Word has length 130 [2022-11-18 18:47:35,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:47:35,912 INFO L495 AbstractCegarLoop]: Abstraction has 48890 states and 69545 transitions. [2022-11-18 18:47:35,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-18 18:47:35,913 INFO L276 IsEmpty]: Start isEmpty. Operand 48890 states and 69545 transitions. [2022-11-18 18:47:35,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-18 18:47:35,915 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:47:35,915 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:47:35,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 18:47:35,916 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 32 more)] === [2022-11-18 18:47:35,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:47:35,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1746143764, now seen corresponding path program 1 times [2022-11-18 18:47:35,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:47:35,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966111908] [2022-11-18 18:47:35,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:47:35,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:47:36,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:36,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:47:36,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:36,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 18:47:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:36,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 18:47:36,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:36,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 18:47:36,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:36,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 18:47:36,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:36,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 18:47:36,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:36,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:47:36,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:36,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 18:47:37,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:37,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 18:47:37,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:37,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 18:47:37,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:37,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-18 18:47:37,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:37,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 18:47:37,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:37,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-18 18:47:37,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:37,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-18 18:47:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:37,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-18 18:47:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:37,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-18 18:47:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:37,076 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-18 18:47:37,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:47:37,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966111908] [2022-11-18 18:47:37,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966111908] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:47:37,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:47:37,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:47:37,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666515971] [2022-11-18 18:47:37,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:47:37,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:47:37,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:47:37,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:47:37,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:47:37,079 INFO L87 Difference]: Start difference. First operand 48890 states and 69545 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-18 18:47:47,126 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 [] [2022-11-18 18:47:54,064 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 [] [2022-11-18 18:48:09,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:48:09,231 INFO L93 Difference]: Finished difference Result 48897 states and 69552 transitions. [2022-11-18 18:48:09,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 18:48:09,232 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (17), 4 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 115 [2022-11-18 18:48:09,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:48:09,369 INFO L225 Difference]: With dead ends: 48897 [2022-11-18 18:48:09,369 INFO L226 Difference]: Without dead ends: 48895 [2022-11-18 18:48:09,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-18 18:48:09,389 INFO L413 NwaCegarLoop]: 1705 mSDtfsCounter, 10053 mSDsluCounter, 3312 mSDsCounter, 0 mSdLazyCounter, 10154 mSolverCounterSat, 4495 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10396 SdHoareTripleChecker+Valid, 5017 SdHoareTripleChecker+Invalid, 14651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4495 IncrementalHoareTripleChecker+Valid, 10154 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.9s IncrementalHoareTripleChecker+Time [2022-11-18 18:48:09,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10396 Valid, 5017 Invalid, 14651 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4495 Valid, 10154 Invalid, 2 Unknown, 0 Unchecked, 28.9s Time] [2022-11-18 18:48:09,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48895 states. [2022-11-18 18:48:12,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48895 to 48888. [2022-11-18 18:48:12,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48888 states, 34626 states have (on average 1.3183445965459482) internal successors, (45649), 35717 states have internal predecessors, (45649), 11862 states have call successors, (11862), 2359 states have call predecessors, (11862), 2371 states have return successors, (12032), 11372 states have call predecessors, (12032), 11860 states have call successors, (12032) [2022-11-18 18:48:12,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48888 states to 48888 states and 69543 transitions. [2022-11-18 18:48:13,000 INFO L78 Accepts]: Start accepts. Automaton has 48888 states and 69543 transitions. Word has length 115 [2022-11-18 18:48:13,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:48:13,000 INFO L495 AbstractCegarLoop]: Abstraction has 48888 states and 69543 transitions. [2022-11-18 18:48:13,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-18 18:48:13,001 INFO L276 IsEmpty]: Start isEmpty. Operand 48888 states and 69543 transitions. [2022-11-18 18:48:13,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-11-18 18:48:13,002 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:48:13,002 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-18 18:48:13,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 18:48:13,003 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-18 18:48:13,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:48:13,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1216151895, now seen corresponding path program 1 times [2022-11-18 18:48:13,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:48:13,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637324869] [2022-11-18 18:48:13,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:48:13,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:48:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:13,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:48:13,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:13,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 18:48:13,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:13,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 18:48:13,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:13,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 18:48:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:13,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:48:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:13,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:48:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:13,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:48:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:13,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-18 18:48:13,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:13,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:48:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:13,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:48:13,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:13,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:48:13,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:13,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 18:48:13,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:13,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:48:13,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:13,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:48:13,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:13,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:48:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:13,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 18:48:13,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:13,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-18 18:48:13,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:13,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-18 18:48:13,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:14,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-18 18:48:14,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:14,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-18 18:48:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:14,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-18 18:48:14,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:48:14,053 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-18 18:48:14,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:48:14,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637324869] [2022-11-18 18:48:14,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637324869] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:48:14,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:48:14,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 18:48:14,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486614711] [2022-11-18 18:48:14,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:48:14,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 18:48:14,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:48:14,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 18:48:14,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-18 18:48:14,056 INFO L87 Difference]: Start difference. First operand 48888 states and 69543 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-18 18:48:18,457 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 [] [2022-11-18 18:48:27,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:48:37,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:48:44,808 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 [] [2022-11-18 18:49:19,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:49:19,740 INFO L93 Difference]: Finished difference Result 99431 states and 141559 transitions. [2022-11-18 18:49:19,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 18:49:19,741 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 136 [2022-11-18 18:49:19,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:49:19,955 INFO L225 Difference]: With dead ends: 99431 [2022-11-18 18:49:19,956 INFO L226 Difference]: Without dead ends: 50573 [2022-11-18 18:49:20,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=126, Invalid=294, Unknown=0, NotChecked=0, Total=420 [2022-11-18 18:49:20,311 INFO L413 NwaCegarLoop]: 1600 mSDtfsCounter, 25618 mSDsluCounter, 5043 mSDsCounter, 0 mSdLazyCounter, 20029 mSolverCounterSat, 15474 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25930 SdHoareTripleChecker+Valid, 6643 SdHoareTripleChecker+Invalid, 35506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 15474 IncrementalHoareTripleChecker+Valid, 20029 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.8s IncrementalHoareTripleChecker+Time [2022-11-18 18:49:20,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25930 Valid, 6643 Invalid, 35506 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [15474 Valid, 20029 Invalid, 3 Unknown, 0 Unchecked, 60.8s Time] [2022-11-18 18:49:20,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50573 states. [2022-11-18 18:49:23,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50573 to 48928. [2022-11-18 18:49:23,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48928 states, 34650 states have (on average 1.317893217893218) internal successors, (45665), 35741 states have internal predecessors, (45665), 11870 states have call successors, (11870), 2367 states have call predecessors, (11870), 2379 states have return successors, (12040), 11380 states have call predecessors, (12040), 11868 states have call successors, (12040) [2022-11-18 18:49:23,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48928 states to 48928 states and 69575 transitions. [2022-11-18 18:49:23,816 INFO L78 Accepts]: Start accepts. Automaton has 48928 states and 69575 transitions. Word has length 136 [2022-11-18 18:49:23,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:49:23,817 INFO L495 AbstractCegarLoop]: Abstraction has 48928 states and 69575 transitions. [2022-11-18 18:49:23,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-18 18:49:23,817 INFO L276 IsEmpty]: Start isEmpty. Operand 48928 states and 69575 transitions. [2022-11-18 18:49:23,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-11-18 18:49:23,819 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:49:23,820 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:49:23,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 18:49:23,820 INFO L420 AbstractCegarLoop]: === Iteration 12 === 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 32 more)] === [2022-11-18 18:49:23,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:49:23,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1287904617, now seen corresponding path program 1 times [2022-11-18 18:49:23,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:49:23,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070697391] [2022-11-18 18:49:23,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:49:23,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:49:23,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:24,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:49:24,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:24,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 18:49:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:24,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 18:49:24,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:24,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 18:49:24,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:24,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 18:49:24,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:24,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 18:49:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:24,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:49:24,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:24,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 18:49:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:24,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 18:49:24,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:24,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 18:49:24,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:24,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-18 18:49:24,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:24,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 18:49:24,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:24,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-18 18:49:24,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:24,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-18 18:49:24,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:24,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-18 18:49:24,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:24,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-18 18:49:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:49:24,877 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-18 18:49:24,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:49:24,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070697391] [2022-11-18 18:49:24,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070697391] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:49:24,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:49:24,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:49:24,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60014720] [2022-11-18 18:49:24,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:49:24,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:49:24,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:49:24,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:49:24,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:49:24,879 INFO L87 Difference]: Start difference. First operand 48928 states and 69575 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-18 18:49:32,677 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 [] [2022-11-18 18:49:33,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:49:38,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:49:45,565 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 [] [2022-11-18 18:50:01,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:50:01,094 INFO L93 Difference]: Finished difference Result 48935 states and 69582 transitions. [2022-11-18 18:50:01,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 18:50:01,094 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (17), 4 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 117 [2022-11-18 18:50:01,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:50:01,365 INFO L225 Difference]: With dead ends: 48935 [2022-11-18 18:50:01,365 INFO L226 Difference]: Without dead ends: 48933 [2022-11-18 18:50:01,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-18 18:50:01,381 INFO L413 NwaCegarLoop]: 1705 mSDtfsCounter, 10041 mSDsluCounter, 3312 mSDsCounter, 0 mSdLazyCounter, 10154 mSolverCounterSat, 4495 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10384 SdHoareTripleChecker+Valid, 5017 SdHoareTripleChecker+Invalid, 14651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4495 IncrementalHoareTripleChecker+Valid, 10154 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.8s IncrementalHoareTripleChecker+Time [2022-11-18 18:50:01,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10384 Valid, 5017 Invalid, 14651 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4495 Valid, 10154 Invalid, 2 Unknown, 0 Unchecked, 32.8s Time] [2022-11-18 18:50:01,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48933 states. [2022-11-18 18:50:04,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48933 to 48926. [2022-11-18 18:50:04,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48926 states, 34649 states have (on average 1.3178735317036567) internal successors, (45663), 35739 states have internal predecessors, (45663), 11870 states have call successors, (11870), 2367 states have call predecessors, (11870), 2379 states have return successors, (12040), 11380 states have call predecessors, (12040), 11868 states have call successors, (12040) [2022-11-18 18:50:05,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48926 states to 48926 states and 69573 transitions. [2022-11-18 18:50:05,006 INFO L78 Accepts]: Start accepts. Automaton has 48926 states and 69573 transitions. Word has length 117 [2022-11-18 18:50:05,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:50:05,007 INFO L495 AbstractCegarLoop]: Abstraction has 48926 states and 69573 transitions. [2022-11-18 18:50:05,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-18 18:50:05,007 INFO L276 IsEmpty]: Start isEmpty. Operand 48926 states and 69573 transitions. [2022-11-18 18:50:05,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-18 18:50:05,010 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:50:05,010 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:50:05,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 18:50:05,010 INFO L420 AbstractCegarLoop]: === Iteration 13 === 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 32 more)] === [2022-11-18 18:50:05,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:50:05,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1880683460, now seen corresponding path program 1 times [2022-11-18 18:50:05,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:50:05,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521226047] [2022-11-18 18:50:05,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:50:05,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:50:05,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:05,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:50:05,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:05,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 18:50:05,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:05,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 18:50:05,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:05,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 18:50:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:05,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 18:50:05,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:05,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 18:50:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:05,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:05,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:05,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 18:50:05,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:05,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 18:50:05,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:05,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 18:50:05,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:05,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-18 18:50:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:05,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 18:50:05,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:05,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-18 18:50:06,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:06,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-18 18:50:06,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:06,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-18 18:50:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:06,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-18 18:50:06,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:06,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-18 18:50:06,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:06,047 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-18 18:50:06,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:50:06,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521226047] [2022-11-18 18:50:06,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521226047] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:50:06,048 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:50:06,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:50:06,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236516657] [2022-11-18 18:50:06,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:50:06,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:50:06,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:50:06,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:50:06,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:50:06,050 INFO L87 Difference]: Start difference. First operand 48926 states and 69573 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-18 18:50:13,860 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 [] [2022-11-18 18:50:19,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:50:26,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:50:34,874 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 [] [2022-11-18 18:50:44,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:50:44,833 INFO L93 Difference]: Finished difference Result 48933 states and 69580 transitions. [2022-11-18 18:50:44,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 18:50:44,834 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (18), 4 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 123 [2022-11-18 18:50:44,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:50:45,003 INFO L225 Difference]: With dead ends: 48933 [2022-11-18 18:50:45,003 INFO L226 Difference]: Without dead ends: 48931 [2022-11-18 18:50:45,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-18 18:50:45,023 INFO L413 NwaCegarLoop]: 1705 mSDtfsCounter, 10147 mSDsluCounter, 3312 mSDsCounter, 0 mSdLazyCounter, 10018 mSolverCounterSat, 4517 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10489 SdHoareTripleChecker+Valid, 5017 SdHoareTripleChecker+Invalid, 14537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4517 IncrementalHoareTripleChecker+Valid, 10018 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.6s IncrementalHoareTripleChecker+Time [2022-11-18 18:50:45,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10489 Valid, 5017 Invalid, 14537 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4517 Valid, 10018 Invalid, 2 Unknown, 0 Unchecked, 34.6s Time] [2022-11-18 18:50:45,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48931 states. [2022-11-18 18:50:48,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48931 to 48924. [2022-11-18 18:50:48,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48924 states, 34648 states have (on average 1.317853844377742) internal successors, (45661), 35737 states have internal predecessors, (45661), 11870 states have call successors, (11870), 2367 states have call predecessors, (11870), 2379 states have return successors, (12040), 11380 states have call predecessors, (12040), 11868 states have call successors, (12040) [2022-11-18 18:50:48,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48924 states to 48924 states and 69571 transitions. [2022-11-18 18:50:48,686 INFO L78 Accepts]: Start accepts. Automaton has 48924 states and 69571 transitions. Word has length 123 [2022-11-18 18:50:48,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:50:48,686 INFO L495 AbstractCegarLoop]: Abstraction has 48924 states and 69571 transitions. [2022-11-18 18:50:48,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-18 18:50:48,687 INFO L276 IsEmpty]: Start isEmpty. Operand 48924 states and 69571 transitions. [2022-11-18 18:50:48,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-18 18:50:48,689 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:50:48,690 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:50:48,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-18 18:50:48,690 INFO L420 AbstractCegarLoop]: === Iteration 14 === 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 32 more)] === [2022-11-18 18:50:48,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:50:48,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1075662571, now seen corresponding path program 1 times [2022-11-18 18:50:48,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:50:48,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630322828] [2022-11-18 18:50:48,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:50:48,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:50:48,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:49,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:50:49,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:49,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 18:50:49,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:49,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 18:50:49,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:49,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 18:50:49,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:49,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 18:50:49,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:49,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 18:50:49,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:49,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:50:49,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:49,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 18:50:49,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:49,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 18:50:49,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:49,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 18:50:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:49,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-18 18:50:49,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:49,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 18:50:49,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:49,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-18 18:50:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:49,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-18 18:50:49,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:49,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-18 18:50:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:49,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-18 18:50:49,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:49,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-18 18:50:49,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:49,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-18 18:50:49,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:50:49,762 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-18 18:50:49,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:50:49,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630322828] [2022-11-18 18:50:49,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630322828] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:50:49,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:50:49,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:50:49,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867016892] [2022-11-18 18:50:49,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:50:49,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:50:49,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:50:49,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:50:49,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:50:49,766 INFO L87 Difference]: Start difference. First operand 48924 states and 69571 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 18:50:57,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:50:59,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:51:04,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:51:11,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:51:18,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:51:29,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:51:29,685 INFO L93 Difference]: Finished difference Result 48931 states and 69578 transitions. [2022-11-18 18:51:29,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 18:51:29,686 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (19), 4 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 129 [2022-11-18 18:51:29,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:51:29,843 INFO L225 Difference]: With dead ends: 48931 [2022-11-18 18:51:29,844 INFO L226 Difference]: Without dead ends: 48929 [2022-11-18 18:51:29,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-18 18:51:29,870 INFO L413 NwaCegarLoop]: 1705 mSDtfsCounter, 10031 mSDsluCounter, 3312 mSDsCounter, 0 mSdLazyCounter, 10145 mSolverCounterSat, 4495 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10372 SdHoareTripleChecker+Valid, 5017 SdHoareTripleChecker+Invalid, 14643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4495 IncrementalHoareTripleChecker+Valid, 10145 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.6s IncrementalHoareTripleChecker+Time [2022-11-18 18:51:29,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10372 Valid, 5017 Invalid, 14643 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4495 Valid, 10145 Invalid, 3 Unknown, 0 Unchecked, 35.6s Time] [2022-11-18 18:51:29,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48929 states. [2022-11-18 18:51:33,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48929 to 48922. [2022-11-18 18:51:33,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48922 states, 34647 states have (on average 1.317834155915375) internal successors, (45659), 35735 states have internal predecessors, (45659), 11870 states have call successors, (11870), 2367 states have call predecessors, (11870), 2379 states have return successors, (12040), 11380 states have call predecessors, (12040), 11868 states have call successors, (12040) [2022-11-18 18:51:33,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48922 states to 48922 states and 69569 transitions. [2022-11-18 18:51:33,519 INFO L78 Accepts]: Start accepts. Automaton has 48922 states and 69569 transitions. Word has length 129 [2022-11-18 18:51:33,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:51:33,519 INFO L495 AbstractCegarLoop]: Abstraction has 48922 states and 69569 transitions. [2022-11-18 18:51:33,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 18:51:33,519 INFO L276 IsEmpty]: Start isEmpty. Operand 48922 states and 69569 transitions. [2022-11-18 18:51:33,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-18 18:51:33,522 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:51:33,522 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:51:33,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 18:51:33,522 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 32 more)] === [2022-11-18 18:51:33,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:51:33,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1303669354, now seen corresponding path program 1 times [2022-11-18 18:51:33,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:51:33,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34697174] [2022-11-18 18:51:33,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:51:33,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:51:33,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:34,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:51:34,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:34,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 18:51:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:35,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 18:51:35,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:35,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 18:51:35,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:35,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 18:51:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:35,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 18:51:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:35,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:35,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 18:51:35,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:35,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 18:51:35,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:35,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-18 18:51:35,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:35,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 18:51:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:35,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:51:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:35,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:51:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:35,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:51:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:35,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 18:51:35,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:35,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 18:51:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:35,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 18:51:35,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:35,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 18:51:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:51:35,252 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-11-18 18:51:35,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:51:35,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34697174] [2022-11-18 18:51:35,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34697174] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:51:35,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:51:35,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 18:51:35,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747293941] [2022-11-18 18:51:35,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:51:35,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 18:51:35,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:51:35,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 18:51:35,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 18:51:35,255 INFO L87 Difference]: Start difference. First operand 48922 states and 69569 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 18:51:43,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:51:52,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:51:54,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:52:01,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:52:12,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:52:25,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:52:41,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:52:41,469 INFO L93 Difference]: Finished difference Result 55393 states and 80255 transitions. [2022-11-18 18:52:41,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 18:52:41,470 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 140 [2022-11-18 18:52:41,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:52:41,631 INFO L225 Difference]: With dead ends: 55393 [2022-11-18 18:52:41,631 INFO L226 Difference]: Without dead ends: 55391 [2022-11-18 18:52:41,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=130, Invalid=290, Unknown=0, NotChecked=0, Total=420 [2022-11-18 18:52:41,654 INFO L413 NwaCegarLoop]: 1716 mSDtfsCounter, 9574 mSDsluCounter, 6450 mSDsCounter, 0 mSdLazyCounter, 20336 mSolverCounterSat, 5917 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9880 SdHoareTripleChecker+Valid, 8166 SdHoareTripleChecker+Invalid, 26255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5917 IncrementalHoareTripleChecker+Valid, 20336 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.3s IncrementalHoareTripleChecker+Time [2022-11-18 18:52:41,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9880 Valid, 8166 Invalid, 26255 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5917 Valid, 20336 Invalid, 2 Unknown, 0 Unchecked, 61.3s Time] [2022-11-18 18:52:41,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55391 states. [2022-11-18 18:52:45,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55391 to 51426. [2022-11-18 18:52:45,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51426 states, 36390 states have (on average 1.311074471008519) internal successors, (47710), 37503 states have internal predecessors, (47710), 12250 states have call successors, (12250), 2723 states have call predecessors, (12250), 2761 states have return successors, (12472), 11760 states have call predecessors, (12472), 12248 states have call successors, (12472) [2022-11-18 18:52:45,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51426 states to 51426 states and 72432 transitions. [2022-11-18 18:52:45,688 INFO L78 Accepts]: Start accepts. Automaton has 51426 states and 72432 transitions. Word has length 140 [2022-11-18 18:52:45,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:52:45,689 INFO L495 AbstractCegarLoop]: Abstraction has 51426 states and 72432 transitions. [2022-11-18 18:52:45,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 18:52:45,689 INFO L276 IsEmpty]: Start isEmpty. Operand 51426 states and 72432 transitions. [2022-11-18 18:52:45,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-11-18 18:52:45,690 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:52:45,690 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:52:45,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-18 18:52:45,691 INFO L420 AbstractCegarLoop]: === Iteration 16 === 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 32 more)] === [2022-11-18 18:52:45,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:52:45,691 INFO L85 PathProgramCache]: Analyzing trace with hash 450919230, now seen corresponding path program 1 times [2022-11-18 18:52:45,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:52:45,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973673881] [2022-11-18 18:52:45,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:52:45,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:52:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:46,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:52:46,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:46,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 18:52:46,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:46,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 18:52:46,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:46,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 18:52:46,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:46,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 18:52:46,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:46,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 18:52:46,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:46,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:52:46,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:46,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 18:52:46,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:46,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 18:52:46,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:46,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 18:52:46,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:46,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-18 18:52:46,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:46,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 18:52:46,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:46,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-18 18:52:46,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:46,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-18 18:52:46,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:46,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-18 18:52:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:46,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-18 18:52:46,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:47,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-18 18:52:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:47,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-18 18:52:47,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:47,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-18 18:52:47,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:52:47,083 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-18 18:52:47,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:52:47,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973673881] [2022-11-18 18:52:47,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973673881] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:52:47,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:52:47,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:52:47,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466808449] [2022-11-18 18:52:47,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:52:47,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:52:47,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:52:47,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:52:47,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:52:47,088 INFO L87 Difference]: Start difference. First operand 51426 states and 72432 transitions. Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-18 18:52:54,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:52:58,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:53:04,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:53:11,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:53:23,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:53:23,946 INFO L93 Difference]: Finished difference Result 51433 states and 72439 transitions. [2022-11-18 18:53:23,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 18:53:23,947 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (20), 4 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 135 [2022-11-18 18:53:23,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:53:24,094 INFO L225 Difference]: With dead ends: 51433 [2022-11-18 18:53:24,094 INFO L226 Difference]: Without dead ends: 51431 [2022-11-18 18:53:24,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-18 18:53:24,112 INFO L413 NwaCegarLoop]: 1705 mSDtfsCounter, 10057 mSDsluCounter, 3312 mSDsCounter, 0 mSdLazyCounter, 10096 mSolverCounterSat, 4499 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10397 SdHoareTripleChecker+Valid, 5017 SdHoareTripleChecker+Invalid, 14597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4499 IncrementalHoareTripleChecker+Valid, 10096 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.4s IncrementalHoareTripleChecker+Time [2022-11-18 18:53:24,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10397 Valid, 5017 Invalid, 14597 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4499 Valid, 10096 Invalid, 2 Unknown, 0 Unchecked, 32.4s Time] [2022-11-18 18:53:24,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51431 states. [2022-11-18 18:53:27,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51431 to 51424. [2022-11-18 18:53:27,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51424 states, 36389 states have (on average 1.3110555387617138) internal successors, (47708), 37501 states have internal predecessors, (47708), 12250 states have call successors, (12250), 2723 states have call predecessors, (12250), 2761 states have return successors, (12472), 11760 states have call predecessors, (12472), 12248 states have call successors, (12472) [2022-11-18 18:53:28,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51424 states to 51424 states and 72430 transitions. [2022-11-18 18:53:28,189 INFO L78 Accepts]: Start accepts. Automaton has 51424 states and 72430 transitions. Word has length 135 [2022-11-18 18:53:28,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:53:28,189 INFO L495 AbstractCegarLoop]: Abstraction has 51424 states and 72430 transitions. [2022-11-18 18:53:28,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-18 18:53:28,189 INFO L276 IsEmpty]: Start isEmpty. Operand 51424 states and 72430 transitions. [2022-11-18 18:53:28,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-11-18 18:53:28,191 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:53:28,192 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:53:28,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-18 18:53:28,193 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-18 18:53:28,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:53:28,193 INFO L85 PathProgramCache]: Analyzing trace with hash 651211913, now seen corresponding path program 1 times [2022-11-18 18:53:28,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:53:28,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938517485] [2022-11-18 18:53:28,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:53:28,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:53:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:28,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:53:28,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:29,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 18:53:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:29,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 18:53:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:29,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 18:53:29,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:29,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:53:29,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:29,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:53:29,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:29,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:53:29,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:29,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-18 18:53:29,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:29,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:53:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:29,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:53:29,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:29,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:53:29,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:29,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 18:53:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:29,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:53:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:29,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:53:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:29,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:53:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:29,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 18:53:29,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:29,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-18 18:53:29,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:29,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-18 18:53:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:29,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-18 18:53:29,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:29,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-18 18:53:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:29,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-18 18:53:29,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:29,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-18 18:53:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:29,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-18 18:53:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:29,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-18 18:53:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:53:29,215 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2022-11-18 18:53:29,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:53:29,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938517485] [2022-11-18 18:53:29,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938517485] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:53:29,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:53:29,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:53:29,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847248301] [2022-11-18 18:53:29,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:53:29,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:53:29,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:53:29,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:53:29,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:53:29,218 INFO L87 Difference]: Start difference. First operand 51424 states and 72430 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-18 18:53:34,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:53:42,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []