./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/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_835da8b3-0239-44b1-9646-9a86701cfad1/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/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_835da8b3-0239-44b1-9646-9a86701cfad1/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 1a40e66604094f312102b838d8c965fbe1879fb2092ea49e39f812ee4cfee256 --- 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 21:00:35,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 21:00:35,451 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 21:00:35,485 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 21:00:35,486 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 21:00:35,487 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 21:00:35,488 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 21:00:35,490 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 21:00:35,500 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 21:00:35,507 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 21:00:35,508 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 21:00:35,509 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 21:00:35,510 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 21:00:35,510 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 21:00:35,512 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 21:00:35,513 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 21:00:35,513 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 21:00:35,514 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 21:00:35,520 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 21:00:35,531 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 21:00:35,533 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 21:00:35,537 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 21:00:35,538 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 21:00:35,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 21:00:35,542 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 21:00:35,543 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 21:00:35,543 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 21:00:35,544 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 21:00:35,545 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 21:00:35,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 21:00:35,546 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 21:00:35,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 21:00:35,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 21:00:35,552 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 21:00:35,554 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 21:00:35,554 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 21:00:35,555 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 21:00:35,555 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 21:00:35,556 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 21:00:35,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 21:00:35,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 21:00:35,558 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 21:00:35,600 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 21:00:35,601 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 21:00:35,601 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 21:00:35,602 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 21:00:35,603 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 21:00:35,603 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 21:00:35,604 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 21:00:35,604 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 21:00:35,604 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 21:00:35,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 21:00:35,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 21:00:35,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 21:00:35,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 21:00:35,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 21:00:35,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 21:00:35,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 21:00:35,607 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 21:00:35,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 21:00:35,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 21:00:35,607 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 21:00:35,608 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 21:00:35,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:00:35,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 21:00:35,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 21:00:35,609 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 21:00:35,609 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 21:00:35,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 21:00:35,609 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 21:00:35,609 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 21:00:35,610 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 21:00:35,610 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_835da8b3-0239-44b1-9646-9a86701cfad1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a40e66604094f312102b838d8c965fbe1879fb2092ea49e39f812ee4cfee256 [2022-11-18 21:00:35,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 21:00:35,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 21:00:35,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 21:00:35,963 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 21:00:35,964 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 21:00:35,965 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i [2022-11-18 21:00:36,040 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/bin/uautomizer-TMbwUNV5ro/data/070d42589/2f9c0d6fffa54a08b4d57dbd3eb92d53/FLAG85533ea5f [2022-11-18 21:00:37,091 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 21:00:37,092 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i [2022-11-18 21:00:37,171 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/bin/uautomizer-TMbwUNV5ro/data/070d42589/2f9c0d6fffa54a08b4d57dbd3eb92d53/FLAG85533ea5f [2022-11-18 21:00:37,397 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/bin/uautomizer-TMbwUNV5ro/data/070d42589/2f9c0d6fffa54a08b4d57dbd3eb92d53 [2022-11-18 21:00:37,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 21:00:37,405 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 21:00:37,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 21:00:37,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 21:00:37,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 21:00:37,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:00:37" (1/1) ... [2022-11-18 21:00:37,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2db54418 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:37, skipping insertion in model container [2022-11-18 21:00:37,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:00:37" (1/1) ... [2022-11-18 21:00:37,420 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 21:00:37,686 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 21:00:47,169 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[680431,680444] [2022-11-18 21:00:47,175 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[680576,680589] [2022-11-18 21:00:47,176 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[680722,680735] [2022-11-18 21:00:47,176 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[680887,680900] [2022-11-18 21:00:47,177 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[681045,681058] [2022-11-18 21:00:47,178 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[681203,681216] [2022-11-18 21:00:47,179 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[681361,681374] [2022-11-18 21:00:47,180 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[681521,681534] [2022-11-18 21:00:47,180 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[681680,681693] [2022-11-18 21:00:47,182 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[681819,681832] [2022-11-18 21:00:47,183 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[681961,681974] [2022-11-18 21:00:47,183 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[682110,682123] [2022-11-18 21:00:47,184 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[682249,682262] [2022-11-18 21:00:47,184 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[682404,682417] [2022-11-18 21:00:47,185 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[682564,682577] [2022-11-18 21:00:47,185 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[682715,682728] [2022-11-18 21:00:47,186 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[682866,682879] [2022-11-18 21:00:47,186 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[683018,683031] [2022-11-18 21:00:47,193 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[683167,683180] [2022-11-18 21:00:47,194 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[683315,683328] [2022-11-18 21:00:47,194 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[683472,683485] [2022-11-18 21:00:47,195 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[683621,683634] [2022-11-18 21:00:47,195 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[683777,683790] [2022-11-18 21:00:47,196 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[683930,683943] [2022-11-18 21:00:47,198 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[684076,684089] [2022-11-18 21:00:47,199 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[684219,684232] [2022-11-18 21:00:47,200 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[684371,684384] [2022-11-18 21:00:47,201 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[684517,684530] [2022-11-18 21:00:47,201 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[684662,684675] [2022-11-18 21:00:47,202 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[684816,684829] [2022-11-18 21:00:47,203 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[684967,684980] [2022-11-18 21:00:47,205 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[685122,685135] [2022-11-18 21:00:47,206 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[685274,685287] [2022-11-18 21:00:47,206 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[685429,685442] [2022-11-18 21:00:47,207 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[685593,685606] [2022-11-18 21:00:47,208 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[685749,685762] [2022-11-18 21:00:47,208 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[685913,685926] [2022-11-18 21:00:47,209 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[686055,686068] [2022-11-18 21:00:47,209 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[686213,686226] [2022-11-18 21:00:47,210 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[686380,686393] [2022-11-18 21:00:47,211 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[686539,686552] [2022-11-18 21:00:47,211 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[686698,686711] [2022-11-18 21:00:47,212 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[686847,686860] [2022-11-18 21:00:47,212 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[686994,687007] [2022-11-18 21:00:47,212 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[687133,687146] [2022-11-18 21:00:47,213 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[687296,687309] [2022-11-18 21:00:47,213 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[687462,687475] [2022-11-18 21:00:47,215 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[687626,687639] [2022-11-18 21:00:47,216 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[687791,687804] [2022-11-18 21:00:47,216 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[687956,687969] [2022-11-18 21:00:47,217 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[688122,688135] [2022-11-18 21:00:47,217 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[688287,688300] [2022-11-18 21:00:47,218 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[688454,688467] [2022-11-18 21:00:47,218 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[688614,688627] [2022-11-18 21:00:47,219 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[688776,688789] [2022-11-18 21:00:47,219 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[688935,688948] [2022-11-18 21:00:47,220 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[689081,689094] [2022-11-18 21:00:47,222 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[689224,689237] [2022-11-18 21:00:47,222 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[689368,689381] [2022-11-18 21:00:47,224 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[689511,689524] [2022-11-18 21:00:47,224 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[689655,689668] [2022-11-18 21:00:47,225 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[689796,689809] [2022-11-18 21:00:47,226 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[689934,689947] [2022-11-18 21:00:47,226 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[690092,690105] [2022-11-18 21:00:47,227 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[690251,690264] [2022-11-18 21:00:47,228 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[690407,690420] [2022-11-18 21:00:47,228 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[690556,690569] [2022-11-18 21:00:47,228 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[690708,690721] [2022-11-18 21:00:47,229 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[690859,690872] [2022-11-18 21:00:47,229 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[691008,691021] [2022-11-18 21:00:47,230 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[691160,691173] [2022-11-18 21:00:47,230 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[691308,691321] [2022-11-18 21:00:47,231 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[691461,691474] [2022-11-18 21:00:47,231 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[691612,691625] [2022-11-18 21:00:47,232 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[691762,691775] [2022-11-18 21:00:47,232 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[691909,691922] [2022-11-18 21:00:47,233 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[692060,692073] [2022-11-18 21:00:47,233 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[692211,692224] [2022-11-18 21:00:47,234 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[692359,692372] [2022-11-18 21:00:47,234 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[692525,692538] [2022-11-18 21:00:47,235 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[692694,692707] [2022-11-18 21:00:47,236 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[692861,692874] [2022-11-18 21:00:47,236 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[693029,693042] [2022-11-18 21:00:47,237 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[693179,693192] [2022-11-18 21:00:47,238 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[693326,693339] [2022-11-18 21:00:47,238 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[693487,693500] [2022-11-18 21:00:47,239 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[693657,693670] [2022-11-18 21:00:47,239 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[693819,693832] [2022-11-18 21:00:47,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:00:47,321 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 21:00:48,119 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[680431,680444] [2022-11-18 21:00:48,120 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[680576,680589] [2022-11-18 21:00:48,126 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[680722,680735] [2022-11-18 21:00:48,126 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[680887,680900] [2022-11-18 21:00:48,127 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[681045,681058] [2022-11-18 21:00:48,127 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[681203,681216] [2022-11-18 21:00:48,128 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[681361,681374] [2022-11-18 21:00:48,129 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[681521,681534] [2022-11-18 21:00:48,130 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[681680,681693] [2022-11-18 21:00:48,130 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[681819,681832] [2022-11-18 21:00:48,131 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[681961,681974] [2022-11-18 21:00:48,131 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[682110,682123] [2022-11-18 21:00:48,132 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[682249,682262] [2022-11-18 21:00:48,132 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[682404,682417] [2022-11-18 21:00:48,132 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[682564,682577] [2022-11-18 21:00:48,133 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[682715,682728] [2022-11-18 21:00:48,133 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[682866,682879] [2022-11-18 21:00:48,134 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[683018,683031] [2022-11-18 21:00:48,135 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[683167,683180] [2022-11-18 21:00:48,135 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[683315,683328] [2022-11-18 21:00:48,136 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[683472,683485] [2022-11-18 21:00:48,136 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[683621,683634] [2022-11-18 21:00:48,137 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[683777,683790] [2022-11-18 21:00:48,138 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[683930,683943] [2022-11-18 21:00:48,138 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[684076,684089] [2022-11-18 21:00:48,139 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[684219,684232] [2022-11-18 21:00:48,140 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[684371,684384] [2022-11-18 21:00:48,140 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[684517,684530] [2022-11-18 21:00:48,140 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[684662,684675] [2022-11-18 21:00:48,141 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[684816,684829] [2022-11-18 21:00:48,141 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[684967,684980] [2022-11-18 21:00:48,142 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[685122,685135] [2022-11-18 21:00:48,142 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[685274,685287] [2022-11-18 21:00:48,142 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[685429,685442] [2022-11-18 21:00:48,143 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[685593,685606] [2022-11-18 21:00:48,144 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[685749,685762] [2022-11-18 21:00:48,144 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[685913,685926] [2022-11-18 21:00:48,145 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[686055,686068] [2022-11-18 21:00:48,145 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[686213,686226] [2022-11-18 21:00:48,145 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[686380,686393] [2022-11-18 21:00:48,146 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[686539,686552] [2022-11-18 21:00:48,148 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[686698,686711] [2022-11-18 21:00:48,148 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[686847,686860] [2022-11-18 21:00:48,149 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[686994,687007] [2022-11-18 21:00:48,149 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[687133,687146] [2022-11-18 21:00:48,149 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[687296,687309] [2022-11-18 21:00:48,150 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[687462,687475] [2022-11-18 21:00:48,150 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[687626,687639] [2022-11-18 21:00:48,151 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[687791,687804] [2022-11-18 21:00:48,152 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[687956,687969] [2022-11-18 21:00:48,153 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[688122,688135] [2022-11-18 21:00:48,153 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[688287,688300] [2022-11-18 21:00:48,154 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[688454,688467] [2022-11-18 21:00:48,155 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[688614,688627] [2022-11-18 21:00:48,156 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[688776,688789] [2022-11-18 21:00:48,157 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[688935,688948] [2022-11-18 21:00:48,158 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[689081,689094] [2022-11-18 21:00:48,158 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[689224,689237] [2022-11-18 21:00:48,158 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[689368,689381] [2022-11-18 21:00:48,159 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[689511,689524] [2022-11-18 21:00:48,159 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[689655,689668] [2022-11-18 21:00:48,160 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[689796,689809] [2022-11-18 21:00:48,162 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[689934,689947] [2022-11-18 21:00:48,163 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[690092,690105] [2022-11-18 21:00:48,166 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[690251,690264] [2022-11-18 21:00:48,171 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[690407,690420] [2022-11-18 21:00:48,172 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[690556,690569] [2022-11-18 21:00:48,173 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[690708,690721] [2022-11-18 21:00:48,174 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[690859,690872] [2022-11-18 21:00:48,175 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[691008,691021] [2022-11-18 21:00:48,177 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[691160,691173] [2022-11-18 21:00:48,177 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[691308,691321] [2022-11-18 21:00:48,177 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[691461,691474] [2022-11-18 21:00:48,183 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[691612,691625] [2022-11-18 21:00:48,183 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[691762,691775] [2022-11-18 21:00:48,184 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[691909,691922] [2022-11-18 21:00:48,184 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[692060,692073] [2022-11-18 21:00:48,185 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[692211,692224] [2022-11-18 21:00:48,186 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[692359,692372] [2022-11-18 21:00:48,187 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[692525,692538] [2022-11-18 21:00:48,187 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[692694,692707] [2022-11-18 21:00:48,189 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[692861,692874] [2022-11-18 21:00:48,189 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[693029,693042] [2022-11-18 21:00:48,189 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[693179,693192] [2022-11-18 21:00:48,190 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[693326,693339] [2022-11-18 21:00:48,190 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[693487,693500] [2022-11-18 21:00:48,191 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[693657,693670] [2022-11-18 21:00:48,191 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[693819,693832] [2022-11-18 21:00:48,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:00:48,639 INFO L208 MainTranslator]: Completed translation [2022-11-18 21:00:48,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:48 WrapperNode [2022-11-18 21:00:48,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 21:00:48,641 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 21:00:48,642 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 21:00:48,642 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 21:00:48,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:48" (1/1) ... [2022-11-18 21:00:48,873 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:48" (1/1) ... [2022-11-18 21:00:49,216 INFO L138 Inliner]: procedures = 963, calls = 5049, calls flagged for inlining = 494, calls inlined = 305, statements flattened = 9455 [2022-11-18 21:00:49,217 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 21:00:49,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 21:00:49,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 21:00:49,219 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 21:00:49,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:48" (1/1) ... [2022-11-18 21:00:49,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:48" (1/1) ... [2022-11-18 21:00:49,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:48" (1/1) ... [2022-11-18 21:00:49,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:48" (1/1) ... [2022-11-18 21:00:49,533 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:48" (1/1) ... [2022-11-18 21:00:49,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:48" (1/1) ... [2022-11-18 21:00:49,619 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:48" (1/1) ... [2022-11-18 21:00:49,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:48" (1/1) ... [2022-11-18 21:00:49,709 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 21:00:49,711 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 21:00:49,711 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 21:00:49,711 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 21:00:49,712 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:48" (1/1) ... [2022-11-18 21:00:49,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:00:49,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:49,749 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:49,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_835da8b3-0239-44b1-9646-9a86701cfad1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 21:00:49,802 INFO L130 BoogieDeclarations]: Found specification of procedure rose_stop_timer [2022-11-18 21:00:49,802 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_stop_timer [2022-11-18 21:00:49,803 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-11-18 21:00:49,803 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-11-18 21:00:49,803 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2022-11-18 21:00:49,803 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2022-11-18 21:00:49,804 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-18 21:00:49,804 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-18 21:00:49,804 INFO L130 BoogieDeclarations]: Found specification of procedure rose_start_heartbeat [2022-11-18 21:00:49,804 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_start_heartbeat [2022-11-18 21:00:49,804 INFO L130 BoogieDeclarations]: Found specification of procedure sock_init_data [2022-11-18 21:00:49,804 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_init_data [2022-11-18 21:00:49,804 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-18 21:00:49,805 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-18 21:00:49,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_135 [2022-11-18 21:00:49,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_135 [2022-11-18 21:00:49,805 INFO L130 BoogieDeclarations]: Found specification of procedure proto_unregister [2022-11-18 21:00:49,805 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_unregister [2022-11-18 21:00:49,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-18 21:00:49,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-18 21:00:49,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-18 21:00:49,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-18 21:00:49,806 INFO L130 BoogieDeclarations]: Found specification of procedure rose_add_loopback_node [2022-11-18 21:00:49,806 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_add_loopback_node [2022-11-18 21:00:49,806 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2022-11-18 21:00:49,806 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2022-11-18 21:00:49,807 INFO L130 BoogieDeclarations]: Found specification of procedure sock_set_flag [2022-11-18 21:00:49,807 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_set_flag [2022-11-18 21:00:49,807 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-18 21:00:49,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2022-11-18 21:00:49,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2022-11-18 21:00:49,807 INFO L130 BoogieDeclarations]: Found specification of procedure rose_send_frame [2022-11-18 21:00:49,807 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_send_frame [2022-11-18 21:00:49,808 INFO L130 BoogieDeclarations]: Found specification of procedure rose_destroy_socket [2022-11-18 21:00:49,808 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_destroy_socket [2022-11-18 21:00:49,808 INFO L130 BoogieDeclarations]: Found specification of procedure rose_write_internal [2022-11-18 21:00:49,808 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_write_internal [2022-11-18 21:00:49,808 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2022-11-18 21:00:49,808 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2022-11-18 21:00:49,808 INFO L130 BoogieDeclarations]: Found specification of procedure rose_del_loopback_node [2022-11-18 21:00:49,809 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_del_loopback_node [2022-11-18 21:00:49,809 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-18 21:00:49,809 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-18 21:00:49,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-18 21:00:49,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-18 21:00:49,809 INFO L130 BoogieDeclarations]: Found specification of procedure rose_requeue_frames [2022-11-18 21:00:49,809 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_requeue_frames [2022-11-18 21:00:49,810 INFO L130 BoogieDeclarations]: Found specification of procedure rose_rx_call_request [2022-11-18 21:00:49,810 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_rx_call_request [2022-11-18 21:00:49,810 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-18 21:00:49,810 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-18 21:00:49,810 INFO L130 BoogieDeclarations]: Found specification of procedure rose_dev_get [2022-11-18 21:00:49,810 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_dev_get [2022-11-18 21:00:49,811 INFO L130 BoogieDeclarations]: Found specification of procedure sock_wfree [2022-11-18 21:00:49,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-18 21:00:49,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-18 21:00:49,811 INFO L130 BoogieDeclarations]: Found specification of procedure rose_new_lci [2022-11-18 21:00:49,811 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_new_lci [2022-11-18 21:00:49,812 INFO L130 BoogieDeclarations]: Found specification of procedure seq_open [2022-11-18 21:00:49,812 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_open [2022-11-18 21:00:49,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-18 21:00:49,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-18 21:00:49,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 21:00:49,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-18 21:00:49,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-18 21:00:49,813 INFO L130 BoogieDeclarations]: Found specification of procedure rose_neigh_open [2022-11-18 21:00:49,813 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_neigh_open [2022-11-18 21:00:49,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-18 21:00:49,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-18 21:00:49,813 INFO L130 BoogieDeclarations]: Found specification of procedure rose_validate_nr [2022-11-18 21:00:49,813 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_validate_nr [2022-11-18 21:00:49,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-18 21:00:49,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-18 21:00:49,819 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-11-18 21:00:49,819 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-11-18 21:00:49,819 INFO L130 BoogieDeclarations]: Found specification of procedure sock_flag [2022-11-18 21:00:49,819 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_flag [2022-11-18 21:00:49,819 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2022-11-18 21:00:49,819 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2022-11-18 21:00:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 21:00:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 21:00:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-18 21:00:49,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-18 21:00:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 21:00:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure ax2asc [2022-11-18 21:00:49,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ax2asc [2022-11-18 21:00:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-18 21:00:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure rose_start_t0timer [2022-11-18 21:00:49,823 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_start_t0timer [2022-11-18 21:00:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure rose_transmit_restart_request [2022-11-18 21:00:49,823 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_transmit_restart_request [2022-11-18 21:00:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-18 21:00:49,823 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-18 21:00:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-18 21:00:49,824 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-18 21:00:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-18 21:00:49,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-18 21:00:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure rose_process_rx_frame [2022-11-18 21:00:49,824 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_process_rx_frame [2022-11-18 21:00:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 21:00:49,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 21:00:49,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 21:00:49,825 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-11-18 21:00:49,825 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-11-18 21:00:49,825 INFO L130 BoogieDeclarations]: Found specification of procedure sock_hold [2022-11-18 21:00:49,825 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_hold [2022-11-18 21:00:49,825 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-18 21:00:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure ax25_cb_put [2022-11-18 21:00:49,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ax25_cb_put [2022-11-18 21:00:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 21:00:49,826 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 21:00:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head [2022-11-18 21:00:49,826 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head [2022-11-18 21:00:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure rose_clear_queues [2022-11-18 21:00:49,826 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_clear_queues [2022-11-18 21:00:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-18 21:00:49,827 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-18 21:00:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-18 21:00:49,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-18 21:00:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-18 21:00:49,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-18 21:00:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure rose_insert_socket [2022-11-18 21:00:49,828 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_insert_socket [2022-11-18 21:00:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure rose_parse_facilities [2022-11-18 21:00:49,829 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_parse_facilities [2022-11-18 21:00:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 21:00:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-18 21:00:49,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-18 21:00:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 21:00:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-18 21:00:49,829 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-18 21:00:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_125 [2022-11-18 21:00:49,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_125 [2022-11-18 21:00:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_126 [2022-11-18 21:00:49,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_126 [2022-11-18 21:00:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-18 21:00:49,830 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-18 21:00:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-18 21:00:49,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-18 21:00:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_127___0 [2022-11-18 21:00:49,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_127___0 [2022-11-18 21:00:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure rose_start_idletimer [2022-11-18 21:00:49,831 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_start_idletimer [2022-11-18 21:00:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-18 21:00:49,831 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-18 21:00:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure rose_transmit_link [2022-11-18 21:00:49,832 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_transmit_link [2022-11-18 21:00:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-18 21:00:49,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-18 21:00:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-18 21:00:49,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-18 21:00:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure rose_find_socket [2022-11-18 21:00:49,832 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_find_socket [2022-11-18 21:00:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure rose_remove_node [2022-11-18 21:00:49,833 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_remove_node [2022-11-18 21:00:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-11-18 21:00:49,833 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-11-18 21:00:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 21:00:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 21:00:49,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 21:00:49,834 INFO L130 BoogieDeclarations]: Found specification of procedure ax25_display_timer [2022-11-18 21:00:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ax25_display_timer [2022-11-18 21:00:49,834 INFO L130 BoogieDeclarations]: Found specification of procedure rose_remove_route [2022-11-18 21:00:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_remove_route [2022-11-18 21:00:49,834 INFO L130 BoogieDeclarations]: Found specification of procedure ax25_listen_release [2022-11-18 21:00:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ax25_listen_release [2022-11-18 21:00:49,834 INFO L130 BoogieDeclarations]: Found specification of procedure rosecmp [2022-11-18 21:00:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure rosecmp [2022-11-18 21:00:49,835 INFO L130 BoogieDeclarations]: Found specification of procedure rose_stop_ftimer [2022-11-18 21:00:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_stop_ftimer [2022-11-18 21:00:49,835 INFO L130 BoogieDeclarations]: Found specification of procedure rose_del_route_by_neigh [2022-11-18 21:00:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_del_route_by_neigh [2022-11-18 21:00:49,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-18 21:00:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-18 21:00:49,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-18 21:00:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-18 21:00:49,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_134 [2022-11-18 21:00:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_134 [2022-11-18 21:00:49,836 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-18 21:00:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-18 21:00:49,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 21:00:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 21:00:49,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-18 21:00:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-18 21:00:49,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-18 21:00:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-18 21:00:49,837 INFO L130 BoogieDeclarations]: Found specification of procedure rose_setup [2022-11-18 21:00:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_setup [2022-11-18 21:00:49,837 INFO L130 BoogieDeclarations]: Found specification of procedure sk_wmem_alloc_get [2022-11-18 21:00:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_wmem_alloc_get [2022-11-18 21:00:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure sk_alloc [2022-11-18 21:00:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_alloc [2022-11-18 21:00:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure ax25cmp [2022-11-18 21:00:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ax25cmp [2022-11-18 21:00:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-18 21:00:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-18 21:00:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2022-11-18 21:00:49,839 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2022-11-18 21:00:49,839 INFO L130 BoogieDeclarations]: Found specification of procedure rose_start_t3timer [2022-11-18 21:00:49,839 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_start_t3timer [2022-11-18 21:00:49,839 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-11-18 21:00:49,839 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-11-18 21:00:49,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-18 21:00:49,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-18 21:00:49,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-18 21:00:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-18 21:00:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure rose_remove_neigh [2022-11-18 21:00:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_remove_neigh [2022-11-18 21:00:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 21:00:49,841 INFO L130 BoogieDeclarations]: Found specification of procedure rose_disconnect [2022-11-18 21:00:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_disconnect [2022-11-18 21:00:49,841 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-18 21:00:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-18 21:00:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure sock_put [2022-11-18 21:00:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_put [2022-11-18 21:00:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 21:00:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure sk_rmem_alloc_get [2022-11-18 21:00:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_rmem_alloc_get [2022-11-18 21:00:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-18 21:00:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-18 21:00:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 21:00:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-18 21:00:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-18 21:00:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-18 21:00:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-18 21:00:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure rose_route_free_lci [2022-11-18 21:00:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_route_free_lci [2022-11-18 21:00:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 21:00:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 21:00:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-18 21:00:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-18 21:00:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure rose2asc [2022-11-18 21:00:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure rose2asc [2022-11-18 21:00:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure rose_get_neigh [2022-11-18 21:00:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_get_neigh [2022-11-18 21:00:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-18 21:00:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-18 21:00:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-18 21:00:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-18 21:00:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2022-11-18 21:00:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2022-11-18 21:00:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure proc_create [2022-11-18 21:00:49,846 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_create [2022-11-18 21:00:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure rose_kick [2022-11-18 21:00:49,846 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_kick [2022-11-18 21:00:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_149 [2022-11-18 21:00:49,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_149 [2022-11-18 21:00:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure rose_start_t2timer [2022-11-18 21:00:49,846 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_start_t2timer [2022-11-18 21:00:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_seq_open [2022-11-18 21:00:49,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_seq_open [2022-11-18 21:00:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 21:00:49,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 21:00:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure read_pnet [2022-11-18 21:00:49,847 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pnet [2022-11-18 21:00:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure rosecmpm [2022-11-18 21:00:49,847 INFO L138 BoogieDeclarations]: Found implementation of procedure rosecmpm [2022-11-18 21:00:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure rose_enquiry_response [2022-11-18 21:00:49,848 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_enquiry_response [2022-11-18 21:00:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-18 21:00:49,848 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-18 21:00:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-18 21:00:49,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-18 21:00:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_transport_header [2022-11-18 21:00:49,849 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_transport_header [2022-11-18 21:00:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-18 21:00:49,849 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-18 21:00:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure rose_kill_by_neigh [2022-11-18 21:00:49,849 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_kill_by_neigh [2022-11-18 21:00:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-11-18 21:00:49,849 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-11-18 21:00:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure rose_stop_t0timer [2022-11-18 21:00:49,850 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_stop_t0timer [2022-11-18 21:00:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 21:00:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 21:00:49,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 21:00:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-18 21:00:49,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-18 21:00:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-18 21:00:49,851 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-18 21:00:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-18 21:00:49,851 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-18 21:00:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure skb_orphan [2022-11-18 21:00:49,851 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_orphan [2022-11-18 21:00:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-18 21:00:49,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-18 21:00:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 21:00:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-18 21:00:49,852 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-18 21:00:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-18 21:00:49,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-18 21:00:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_150 [2022-11-18 21:00:49,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_150 [2022-11-18 21:00:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-18 21:00:49,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-18 21:00:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_hash_from_sk [2022-11-18 21:00:49,853 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_hash_from_sk [2022-11-18 21:00:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure rose_route_frame [2022-11-18 21:00:49,853 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_route_frame [2022-11-18 21:00:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-18 21:00:49,853 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-18 21:00:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure rose_stop_idletimer [2022-11-18 21:00:49,854 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_stop_idletimer [2022-11-18 21:00:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-18 21:00:49,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-18 21:00:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 21:00:49,854 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 21:00:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_127 [2022-11-18 21:00:49,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_127 [2022-11-18 21:00:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_128 [2022-11-18 21:00:49,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_128 [2022-11-18 21:00:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-18 21:00:49,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-18 21:00:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure rose_route_open [2022-11-18 21:00:49,855 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_route_open [2022-11-18 21:00:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure rose_nodes_open [2022-11-18 21:00:49,855 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_nodes_open [2022-11-18 21:00:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-18 21:00:49,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-18 21:00:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure rose_transmit_clear_request [2022-11-18 21:00:49,856 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_transmit_clear_request [2022-11-18 21:00:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure ax25_cb_put___0 [2022-11-18 21:00:49,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ax25_cb_put___0 [2022-11-18 21:00:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_126___0 [2022-11-18 21:00:49,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_126___0 [2022-11-18 21:00:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-18 21:00:49,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-18 21:00:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-18 21:00:49,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-18 21:00:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-18 21:00:49,857 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-18 21:00:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure asc2ax [2022-11-18 21:00:49,858 INFO L138 BoogieDeclarations]: Found implementation of procedure asc2ax [2022-11-18 21:00:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-18 21:00:49,858 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-18 21:00:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-18 21:00:49,858 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-18 21:00:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 21:00:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure rose_frames_acked [2022-11-18 21:00:49,859 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_frames_acked [2022-11-18 21:00:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure net_eq [2022-11-18 21:00:49,859 INFO L138 BoogieDeclarations]: Found implementation of procedure net_eq [2022-11-18 21:00:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-18 21:00:49,859 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-18 21:00:51,306 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 21:00:51,310 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 21:00:51,768 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 21:01:45,054 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 21:01:45,088 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 21:01:45,088 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-11-18 21:01:45,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:01:45 BoogieIcfgContainer [2022-11-18 21:01:45,094 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 21:01:45,099 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 21:01:45,099 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 21:01:45,103 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 21:01:45,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:00:37" (1/3) ... [2022-11-18 21:01:45,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65fb5a1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:01:45, skipping insertion in model container [2022-11-18 21:01:45,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:48" (2/3) ... [2022-11-18 21:01:45,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65fb5a1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:01:45, skipping insertion in model container [2022-11-18 21:01:45,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:01:45" (3/3) ... [2022-11-18 21:01:45,117 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---net--rose--rose.ko.cil.i [2022-11-18 21:01:45,144 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 21:01:45,144 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2022-11-18 21:01:45,249 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 21:01:45,254 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;@5909ac2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 21:01:45,254 INFO L358 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2022-11-18 21:01:45,266 INFO L276 IsEmpty]: Start isEmpty. Operand has 2933 states, 1954 states have (on average 1.3101330603889458) internal successors, (2560), 2098 states have internal predecessors, (2560), 791 states have call successors, (791), 162 states have call predecessors, (791), 161 states have return successors, (779), 738 states have call predecessors, (779), 779 states have call successors, (779) [2022-11-18 21:01:45,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-18 21:01:45,274 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:01:45,275 INFO L195 NwaCegarLoop]: trace histogram [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 21:01:45,275 INFO L420 AbstractCegarLoop]: === Iteration 1 === 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 24 more)] === [2022-11-18 21:01:45,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:01:45,281 INFO L85 PathProgramCache]: Analyzing trace with hash -667242363, now seen corresponding path program 1 times [2022-11-18 21:01:45,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:01:45,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395847763] [2022-11-18 21:01:45,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:01:45,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:01:45,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:46,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:01:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:46,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:01:46,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:46,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:01:46,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:01:46,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395847763] [2022-11-18 21:01:46,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395847763] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:01:46,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:01:46,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 21:01:46,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350116410] [2022-11-18 21:01:46,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:01:46,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:01:46,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:01:46,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:01:46,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:01:46,951 INFO L87 Difference]: Start difference. First operand has 2933 states, 1954 states have (on average 1.3101330603889458) internal successors, (2560), 2098 states have internal predecessors, (2560), 791 states have call successors, (791), 162 states have call predecessors, (791), 161 states have return successors, (779), 738 states have call predecessors, (779), 779 states have call successors, (779) Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 21:01:52,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:01:52,244 INFO L93 Difference]: Finished difference Result 6803 states and 9743 transitions. [2022-11-18 21:01:52,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 21:01:52,247 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2022-11-18 21:01:52,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:01:52,296 INFO L225 Difference]: With dead ends: 6803 [2022-11-18 21:01:52,296 INFO L226 Difference]: Without dead ends: 3863 [2022-11-18 21:01:52,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-18 21:01:52,332 INFO L413 NwaCegarLoop]: 4607 mSDtfsCounter, 3703 mSDsluCounter, 14015 mSDsCounter, 0 mSdLazyCounter, 1454 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3710 SdHoareTripleChecker+Valid, 18622 SdHoareTripleChecker+Invalid, 1455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-11-18 21:01:52,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3710 Valid, 18622 Invalid, 1455 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1454 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-11-18 21:01:52,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3863 states. [2022-11-18 21:01:52,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3863 to 3853. [2022-11-18 21:01:52,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3853 states, 2586 states have (on average 1.2815158546017014) internal successors, (3314), 2744 states have internal predecessors, (3314), 997 states have call successors, (997), 245 states have call predecessors, (997), 244 states have return successors, (995), 948 states have call predecessors, (995), 995 states have call successors, (995) [2022-11-18 21:01:52,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3853 states to 3853 states and 5306 transitions. [2022-11-18 21:01:52,772 INFO L78 Accepts]: Start accepts. Automaton has 3853 states and 5306 transitions. Word has length 23 [2022-11-18 21:01:52,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:01:52,773 INFO L495 AbstractCegarLoop]: Abstraction has 3853 states and 5306 transitions. [2022-11-18 21:01:52,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 21:01:52,773 INFO L276 IsEmpty]: Start isEmpty. Operand 3853 states and 5306 transitions. [2022-11-18 21:01:52,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-18 21:01:52,776 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:01:52,776 INFO L195 NwaCegarLoop]: trace histogram [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 21:01:52,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 21:01:52,776 INFO L420 AbstractCegarLoop]: === Iteration 2 === 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 24 more)] === [2022-11-18 21:01:52,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:01:52,777 INFO L85 PathProgramCache]: Analyzing trace with hash -667182781, now seen corresponding path program 1 times [2022-11-18 21:01:52,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:01:52,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594242841] [2022-11-18 21:01:52,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:01:52,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:01:52,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:53,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:01:53,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:53,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:01:53,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:53,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:01:53,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:01:53,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594242841] [2022-11-18 21:01:53,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594242841] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:01:53,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:01:53,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 21:01:53,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751056372] [2022-11-18 21:01:53,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:01:53,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 21:01:53,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:01:53,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 21:01:53,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 21:01:53,446 INFO L87 Difference]: Start difference. First operand 3853 states and 5306 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 21:01:53,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:01:53,641 INFO L93 Difference]: Finished difference Result 3867 states and 5323 transitions. [2022-11-18 21:01:53,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 21:01:53,641 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2022-11-18 21:01:53,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:01:53,666 INFO L225 Difference]: With dead ends: 3867 [2022-11-18 21:01:53,666 INFO L226 Difference]: Without dead ends: 3865 [2022-11-18 21:01:53,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:01:53,672 INFO L413 NwaCegarLoop]: 3982 mSDtfsCounter, 33 mSDsluCounter, 7951 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 11933 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 21:01:53,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 11933 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 21:01:53,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3865 states. [2022-11-18 21:01:53,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3865 to 3855. [2022-11-18 21:01:53,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3855 states, 2588 states have (on average 1.2809119010819165) internal successors, (3315), 2746 states have internal predecessors, (3315), 997 states have call successors, (997), 245 states have call predecessors, (997), 244 states have return successors, (995), 948 states have call predecessors, (995), 995 states have call successors, (995) [2022-11-18 21:01:53,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3855 states to 3855 states and 5307 transitions. [2022-11-18 21:01:53,881 INFO L78 Accepts]: Start accepts. Automaton has 3855 states and 5307 transitions. Word has length 23 [2022-11-18 21:01:53,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:01:53,881 INFO L495 AbstractCegarLoop]: Abstraction has 3855 states and 5307 transitions. [2022-11-18 21:01:53,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 21:01:53,882 INFO L276 IsEmpty]: Start isEmpty. Operand 3855 states and 5307 transitions. [2022-11-18 21:01:53,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-18 21:01:53,883 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:01:53,883 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 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 21:01:53,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 21:01:53,885 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-18 21:01:53,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:01:53,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1139773431, now seen corresponding path program 1 times [2022-11-18 21:01:53,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:01:53,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290271010] [2022-11-18 21:01:53,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:01:53,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:01:53,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:54,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:01:54,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:54,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:01:54,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:54,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:01:54,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:01:54,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290271010] [2022-11-18 21:01:54,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290271010] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:01:54,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:01:54,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 21:01:54,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329769421] [2022-11-18 21:01:54,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:01:54,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:01:54,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:01:54,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:01:54,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:01:54,262 INFO L87 Difference]: Start difference. First operand 3855 states and 5307 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 21:01:54,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:01:54,495 INFO L93 Difference]: Finished difference Result 7695 states and 10683 transitions. [2022-11-18 21:01:54,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:01:54,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2022-11-18 21:01:54,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:01:54,520 INFO L225 Difference]: With dead ends: 7695 [2022-11-18 21:01:54,521 INFO L226 Difference]: Without dead ends: 3849 [2022-11-18 21:01:54,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:01:54,543 INFO L413 NwaCegarLoop]: 3977 mSDtfsCounter, 3961 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3961 SdHoareTripleChecker+Valid, 3977 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 21:01:54,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3961 Valid, 3977 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 21:01:54,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3849 states. [2022-11-18 21:01:54,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3849 to 3849. [2022-11-18 21:01:54,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3849 states, 2583 states have (on average 1.2799070847851335) internal successors, (3306), 2740 states have internal predecessors, (3306), 997 states have call successors, (997), 245 states have call predecessors, (997), 244 states have return successors, (995), 948 states have call predecessors, (995), 995 states have call successors, (995) [2022-11-18 21:01:54,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3849 states to 3849 states and 5298 transitions. [2022-11-18 21:01:54,774 INFO L78 Accepts]: Start accepts. Automaton has 3849 states and 5298 transitions. Word has length 27 [2022-11-18 21:01:54,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:01:54,774 INFO L495 AbstractCegarLoop]: Abstraction has 3849 states and 5298 transitions. [2022-11-18 21:01:54,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 21:01:54,775 INFO L276 IsEmpty]: Start isEmpty. Operand 3849 states and 5298 transitions. [2022-11-18 21:01:54,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-18 21:01:54,780 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:01:54,781 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:01:54,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 21:01:54,781 INFO L420 AbstractCegarLoop]: === Iteration 4 === 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 24 more)] === [2022-11-18 21:01:54,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:01:54,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1219424498, now seen corresponding path program 1 times [2022-11-18 21:01:54,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:01:54,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338431121] [2022-11-18 21:01:54,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:01:54,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:01:54,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:55,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:01:55,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:55,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 21:01:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:55,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 21:01:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:55,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 21:01:55,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:55,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:01:55,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:55,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 21:01:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:55,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:01:55,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:55,493 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 21:01:55,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:01:55,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338431121] [2022-11-18 21:01:55,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338431121] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:01:55,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:01:55,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 21:01:55,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962219407] [2022-11-18 21:01:55,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:01:55,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:01:55,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:01:55,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:01:55,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:01:55,496 INFO L87 Difference]: Start difference. First operand 3849 states and 5298 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-18 21:02:13,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:02:17,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:02:19,021 WARN L539 Checker$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 21:02:21,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:02:23,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:02:28,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:02:28,391 INFO L93 Difference]: Finished difference Result 4585 states and 6202 transitions. [2022-11-18 21:02:28,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 21:02:28,392 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 51 [2022-11-18 21:02:28,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:02:28,422 INFO L225 Difference]: With dead ends: 4585 [2022-11-18 21:02:28,422 INFO L226 Difference]: Without dead ends: 4583 [2022-11-18 21:02:28,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-18 21:02:28,427 INFO L413 NwaCegarLoop]: 1120 mSDtfsCounter, 6955 mSDsluCounter, 1946 mSDsCounter, 0 mSdLazyCounter, 7273 mSolverCounterSat, 3849 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7232 SdHoareTripleChecker+Valid, 3066 SdHoareTripleChecker+Invalid, 11125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3849 IncrementalHoareTripleChecker+Valid, 7273 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.0s IncrementalHoareTripleChecker+Time [2022-11-18 21:02:28,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7232 Valid, 3066 Invalid, 11125 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3849 Valid, 7273 Invalid, 3 Unknown, 0 Unchecked, 32.0s Time] [2022-11-18 21:02:28,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4583 states. [2022-11-18 21:02:28,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4583 to 4568. [2022-11-18 21:02:28,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4568 states, 3067 states have (on average 1.2680143462667102) internal successors, (3889), 3240 states have internal predecessors, (3889), 1150 states have call successors, (1150), 328 states have call predecessors, (1150), 327 states have return successors, (1148), 1098 states have call predecessors, (1148), 1148 states have call successors, (1148) [2022-11-18 21:02:28,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4568 states to 4568 states and 6187 transitions. [2022-11-18 21:02:28,753 INFO L78 Accepts]: Start accepts. Automaton has 4568 states and 6187 transitions. Word has length 51 [2022-11-18 21:02:28,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:02:28,754 INFO L495 AbstractCegarLoop]: Abstraction has 4568 states and 6187 transitions. [2022-11-18 21:02:28,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-18 21:02:28,755 INFO L276 IsEmpty]: Start isEmpty. Operand 4568 states and 6187 transitions. [2022-11-18 21:02:28,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-18 21:02:28,761 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:02:28,762 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:02:28,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 21:02:28,762 INFO L420 AbstractCegarLoop]: === Iteration 5 === 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 24 more)] === [2022-11-18 21:02:28,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:02:28,763 INFO L85 PathProgramCache]: Analyzing trace with hash 2134911608, now seen corresponding path program 1 times [2022-11-18 21:02:28,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:02:28,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928176327] [2022-11-18 21:02:28,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:02:28,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:02:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:02:29,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:02:29,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:02:29,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 21:02:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:02:29,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 21:02:29,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:02:29,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 21:02:29,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:02:29,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:02:29,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:02:29,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 21:02:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:02:29,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:02:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:02:29,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:02:29,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:02:29,468 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 21:02:29,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:02:29,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928176327] [2022-11-18 21:02:29,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928176327] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:02:29,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:02:29,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 21:02:29,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903747456] [2022-11-18 21:02:29,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:02:29,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:02:29,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:02:29,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:02:29,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:02:29,471 INFO L87 Difference]: Start difference. First operand 4568 states and 6187 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-18 21:02:35,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:02:49,117 WARN L539 Checker$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 21:02:51,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:02:56,700 WARN L539 Checker$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 21:02:58,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:03:00,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:03:02,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:03:07,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:03:07,652 INFO L93 Difference]: Finished difference Result 4607 states and 6226 transitions. [2022-11-18 21:03:07,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 21:03:07,653 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 57 [2022-11-18 21:03:07,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:03:07,682 INFO L225 Difference]: With dead ends: 4607 [2022-11-18 21:03:07,682 INFO L226 Difference]: Without dead ends: 4605 [2022-11-18 21:03:07,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-18 21:03:07,686 INFO L413 NwaCegarLoop]: 1121 mSDtfsCounter, 6958 mSDsluCounter, 1947 mSDsCounter, 0 mSdLazyCounter, 7287 mSolverCounterSat, 3865 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7236 SdHoareTripleChecker+Valid, 3068 SdHoareTripleChecker+Invalid, 11156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3865 IncrementalHoareTripleChecker+Valid, 7287 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.4s IncrementalHoareTripleChecker+Time [2022-11-18 21:03:07,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7236 Valid, 3068 Invalid, 11156 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3865 Valid, 7287 Invalid, 4 Unknown, 0 Unchecked, 37.4s Time] [2022-11-18 21:03:07,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4605 states. [2022-11-18 21:03:07,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4605 to 4587. [2022-11-18 21:03:08,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4587 states, 3079 states have (on average 1.266969795388113) internal successors, (3901), 3252 states have internal predecessors, (3901), 1154 states have call successors, (1154), 332 states have call predecessors, (1154), 331 states have return successors, (1152), 1101 states have call predecessors, (1152), 1152 states have call successors, (1152) [2022-11-18 21:03:08,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4587 states to 4587 states and 6207 transitions. [2022-11-18 21:03:08,024 INFO L78 Accepts]: Start accepts. Automaton has 4587 states and 6207 transitions. Word has length 57 [2022-11-18 21:03:08,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:03:08,025 INFO L495 AbstractCegarLoop]: Abstraction has 4587 states and 6207 transitions. [2022-11-18 21:03:08,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-18 21:03:08,025 INFO L276 IsEmpty]: Start isEmpty. Operand 4587 states and 6207 transitions. [2022-11-18 21:03:08,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-18 21:03:08,027 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:03:08,027 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:03:08,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 21:03:08,029 INFO L420 AbstractCegarLoop]: === Iteration 6 === 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 24 more)] === [2022-11-18 21:03:08,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:03:08,029 INFO L85 PathProgramCache]: Analyzing trace with hash -94092271, now seen corresponding path program 1 times [2022-11-18 21:03:08,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:03:08,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431862720] [2022-11-18 21:03:08,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:03:08,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:03:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:08,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:03:08,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:08,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 21:03:08,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:08,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 21:03:08,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:08,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 21:03:08,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:08,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:03:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:08,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 21:03:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:08,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:03:08,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:08,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:03:08,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:08,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-18 21:03:08,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:08,829 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 21:03:08,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:03:08,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431862720] [2022-11-18 21:03:08,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431862720] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:03:08,830 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:03:08,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 21:03:08,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72920091] [2022-11-18 21:03:08,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:03:08,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:03:08,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:03:08,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:03:08,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:03:08,832 INFO L87 Difference]: Start difference. First operand 4587 states and 6207 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 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 21:03:14,528 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 21:03:31,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:03:35,999 WARN L539 Checker$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 21:03:39,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:03:42,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:03:47,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:03:47,092 INFO L93 Difference]: Finished difference Result 4602 states and 6220 transitions. [2022-11-18 21:03:47,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 21:03:47,092 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 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 63 [2022-11-18 21:03:47,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:03:47,120 INFO L225 Difference]: With dead ends: 4602 [2022-11-18 21:03:47,121 INFO L226 Difference]: Without dead ends: 4600 [2022-11-18 21:03:47,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-18 21:03:47,125 INFO L413 NwaCegarLoop]: 1120 mSDtfsCounter, 6943 mSDsluCounter, 1946 mSDsCounter, 0 mSdLazyCounter, 7265 mSolverCounterSat, 3849 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7218 SdHoareTripleChecker+Valid, 3066 SdHoareTripleChecker+Invalid, 11117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3849 IncrementalHoareTripleChecker+Valid, 7265 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.4s IncrementalHoareTripleChecker+Time [2022-11-18 21:03:47,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7218 Valid, 3066 Invalid, 11117 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3849 Valid, 7265 Invalid, 3 Unknown, 0 Unchecked, 37.4s Time] [2022-11-18 21:03:47,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4600 states. [2022-11-18 21:03:47,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4600 to 4585. [2022-11-18 21:03:47,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4585 states, 3078 states have (on average 1.2667316439246263) internal successors, (3899), 3250 states have internal predecessors, (3899), 1154 states have call successors, (1154), 332 states have call predecessors, (1154), 331 states have return successors, (1152), 1101 states have call predecessors, (1152), 1152 states have call successors, (1152) [2022-11-18 21:03:47,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4585 states to 4585 states and 6205 transitions. [2022-11-18 21:03:47,462 INFO L78 Accepts]: Start accepts. Automaton has 4585 states and 6205 transitions. Word has length 63 [2022-11-18 21:03:47,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:03:47,462 INFO L495 AbstractCegarLoop]: Abstraction has 4585 states and 6205 transitions. [2022-11-18 21:03:47,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 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 21:03:47,463 INFO L276 IsEmpty]: Start isEmpty. Operand 4585 states and 6205 transitions. [2022-11-18 21:03:47,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-18 21:03:47,465 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:03:47,465 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:03:47,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 21:03:47,466 INFO L420 AbstractCegarLoop]: === Iteration 7 === 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 24 more)] === [2022-11-18 21:03:47,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:03:47,466 INFO L85 PathProgramCache]: Analyzing trace with hash -2125065950, now seen corresponding path program 1 times [2022-11-18 21:03:47,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:03:47,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804771595] [2022-11-18 21:03:47,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:03:47,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:03:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:47,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:03:47,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:48,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 21:03:48,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:48,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 21:03:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:48,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 21:03:48,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:48,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:03:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:48,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 21:03:48,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:48,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:03:48,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:48,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:03:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:48,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-18 21:03:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:48,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 21:03:48,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:48,186 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 21:03:48,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:03:48,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804771595] [2022-11-18 21:03:48,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804771595] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:03:48,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:03:48,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 21:03:48,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059714219] [2022-11-18 21:03:48,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:03:48,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:03:48,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:03:48,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:03:48,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:03:48,190 INFO L87 Difference]: Start difference. First operand 4585 states and 6205 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 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 21:04:11,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:04:16,467 WARN L539 Checker$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 21:04:18,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:04:20,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:04:26,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:04:26,917 INFO L93 Difference]: Finished difference Result 4602 states and 6220 transitions. [2022-11-18 21:04:26,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 21:04:26,917 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 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 69 [2022-11-18 21:04:26,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:04:26,945 INFO L225 Difference]: With dead ends: 4602 [2022-11-18 21:04:26,946 INFO L226 Difference]: Without dead ends: 4600 [2022-11-18 21:04:26,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-18 21:04:26,950 INFO L413 NwaCegarLoop]: 1121 mSDtfsCounter, 6933 mSDsluCounter, 1948 mSDsCounter, 0 mSdLazyCounter, 7258 mSolverCounterSat, 3851 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7207 SdHoareTripleChecker+Valid, 3069 SdHoareTripleChecker+Invalid, 11113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3851 IncrementalHoareTripleChecker+Valid, 7258 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.9s IncrementalHoareTripleChecker+Time [2022-11-18 21:04:26,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7207 Valid, 3069 Invalid, 11113 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3851 Valid, 7258 Invalid, 4 Unknown, 0 Unchecked, 37.9s Time] [2022-11-18 21:04:26,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4600 states. [2022-11-18 21:04:27,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4600 to 4583. [2022-11-18 21:04:27,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4583 states, 3077 states have (on average 1.2664933376665584) internal successors, (3897), 3248 states have internal predecessors, (3897), 1154 states have call successors, (1154), 332 states have call predecessors, (1154), 331 states have return successors, (1152), 1101 states have call predecessors, (1152), 1152 states have call successors, (1152) [2022-11-18 21:04:27,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4583 states to 4583 states and 6203 transitions. [2022-11-18 21:04:27,308 INFO L78 Accepts]: Start accepts. Automaton has 4583 states and 6203 transitions. Word has length 69 [2022-11-18 21:04:27,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:04:27,309 INFO L495 AbstractCegarLoop]: Abstraction has 4583 states and 6203 transitions. [2022-11-18 21:04:27,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 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 21:04:27,309 INFO L276 IsEmpty]: Start isEmpty. Operand 4583 states and 6203 transitions. [2022-11-18 21:04:27,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-18 21:04:27,310 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:04:27,311 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:04:27,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 21:04:27,311 INFO L420 AbstractCegarLoop]: === Iteration 8 === 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 24 more)] === [2022-11-18 21:04:27,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:04:27,311 INFO L85 PathProgramCache]: Analyzing trace with hash 864613272, now seen corresponding path program 1 times [2022-11-18 21:04:27,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:04:27,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103124032] [2022-11-18 21:04:27,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:04:27,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:04:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:27,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:04:27,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:27,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 21:04:27,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:27,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 21:04:27,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:27,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 21:04:27,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:27,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:27,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 21:04:27,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:27,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:04:27,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:27,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:04:27,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:28,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-18 21:04:28,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:28,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 21:04:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:28,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-18 21:04:28,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:28,055 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 21:04:28,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:04:28,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103124032] [2022-11-18 21:04:28,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103124032] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:04:28,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:04:28,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 21:04:28,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91991143] [2022-11-18 21:04:28,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:04:28,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:04:28,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:04:28,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:04:28,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:04:28,058 INFO L87 Difference]: Start difference. First operand 4583 states and 6203 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 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 21:04:51,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:04:56,212 WARN L539 Checker$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 21:04:57,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:04:58,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:05:00,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:05:02,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:05:08,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:05:08,726 INFO L93 Difference]: Finished difference Result 4598 states and 6216 transitions. [2022-11-18 21:05:08,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 21:05:08,727 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 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 75 [2022-11-18 21:05:08,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:05:08,750 INFO L225 Difference]: With dead ends: 4598 [2022-11-18 21:05:08,750 INFO L226 Difference]: Without dead ends: 4596 [2022-11-18 21:05:08,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-18 21:05:08,754 INFO L413 NwaCegarLoop]: 1120 mSDtfsCounter, 6931 mSDsluCounter, 1946 mSDsCounter, 0 mSdLazyCounter, 7257 mSolverCounterSat, 3849 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7204 SdHoareTripleChecker+Valid, 3066 SdHoareTripleChecker+Invalid, 11109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3849 IncrementalHoareTripleChecker+Valid, 7257 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.7s IncrementalHoareTripleChecker+Time [2022-11-18 21:05:08,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7204 Valid, 3066 Invalid, 11109 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3849 Valid, 7257 Invalid, 3 Unknown, 0 Unchecked, 39.7s Time] [2022-11-18 21:05:08,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4596 states. [2022-11-18 21:05:09,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4596 to 4581. [2022-11-18 21:05:09,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4581 states, 3076 states have (on average 1.2662548764629389) internal successors, (3895), 3246 states have internal predecessors, (3895), 1154 states have call successors, (1154), 332 states have call predecessors, (1154), 331 states have return successors, (1152), 1101 states have call predecessors, (1152), 1152 states have call successors, (1152) [2022-11-18 21:05:09,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4581 states to 4581 states and 6201 transitions. [2022-11-18 21:05:09,102 INFO L78 Accepts]: Start accepts. Automaton has 4581 states and 6201 transitions. Word has length 75 [2022-11-18 21:05:09,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:05:09,104 INFO L495 AbstractCegarLoop]: Abstraction has 4581 states and 6201 transitions. [2022-11-18 21:05:09,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 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 21:05:09,104 INFO L276 IsEmpty]: Start isEmpty. Operand 4581 states and 6201 transitions. [2022-11-18 21:05:09,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-18 21:05:09,106 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:05:09,106 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:05:09,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 21:05:09,106 INFO L420 AbstractCegarLoop]: === Iteration 9 === 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 24 more)] === [2022-11-18 21:05:09,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:05:09,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1776570356, now seen corresponding path program 1 times [2022-11-18 21:05:09,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:05:09,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236739322] [2022-11-18 21:05:09,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:05:09,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:05:09,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:09,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:05:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:09,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 21:05:09,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:09,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 21:05:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:09,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 21:05:09,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:09,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:09,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 21:05:09,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:09,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:05:09,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:09,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:05:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:09,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-18 21:05:09,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:09,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 21:05:09,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:09,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-18 21:05:09,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:09,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 21:05:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:09,786 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 21:05:09,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:05:09,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236739322] [2022-11-18 21:05:09,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236739322] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:05:09,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:05:09,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 21:05:09,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403725464] [2022-11-18 21:05:09,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:05:09,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:05:09,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:05:09,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:05:09,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:05:09,790 INFO L87 Difference]: Start difference. First operand 4581 states and 6201 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 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 21:05:33,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:05:38,819 WARN L539 Checker$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 21:05:40,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:05:41,550 WARN L539 Checker$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 21:05:44,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:05:50,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:05:50,084 INFO L93 Difference]: Finished difference Result 4596 states and 6214 transitions. [2022-11-18 21:05:50,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 21:05:50,085 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 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 81 [2022-11-18 21:05:50,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:05:50,103 INFO L225 Difference]: With dead ends: 4596 [2022-11-18 21:05:50,104 INFO L226 Difference]: Without dead ends: 4594 [2022-11-18 21:05:50,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-18 21:05:50,108 INFO L413 NwaCegarLoop]: 1120 mSDtfsCounter, 6925 mSDsluCounter, 1946 mSDsCounter, 0 mSdLazyCounter, 7253 mSolverCounterSat, 3849 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7197 SdHoareTripleChecker+Valid, 3066 SdHoareTripleChecker+Invalid, 11105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3849 IncrementalHoareTripleChecker+Valid, 7253 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.3s IncrementalHoareTripleChecker+Time [2022-11-18 21:05:50,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7197 Valid, 3066 Invalid, 11105 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3849 Valid, 7253 Invalid, 3 Unknown, 0 Unchecked, 39.3s Time] [2022-11-18 21:05:50,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4594 states. [2022-11-18 21:05:50,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4594 to 4579. [2022-11-18 21:05:50,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4579 states, 3075 states have (on average 1.2660162601626017) internal successors, (3893), 3244 states have internal predecessors, (3893), 1154 states have call successors, (1154), 332 states have call predecessors, (1154), 331 states have return successors, (1152), 1101 states have call predecessors, (1152), 1152 states have call successors, (1152) [2022-11-18 21:05:50,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4579 states to 4579 states and 6199 transitions. [2022-11-18 21:05:50,475 INFO L78 Accepts]: Start accepts. Automaton has 4579 states and 6199 transitions. Word has length 81 [2022-11-18 21:05:50,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:05:50,475 INFO L495 AbstractCegarLoop]: Abstraction has 4579 states and 6199 transitions. [2022-11-18 21:05:50,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 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 21:05:50,476 INFO L276 IsEmpty]: Start isEmpty. Operand 4579 states and 6199 transitions. [2022-11-18 21:05:50,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-18 21:05:50,477 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:05:50,477 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:05:50,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 21:05:50,478 INFO L420 AbstractCegarLoop]: === Iteration 10 === 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 24 more)] === [2022-11-18 21:05:50,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:05:50,478 INFO L85 PathProgramCache]: Analyzing trace with hash 957334913, now seen corresponding path program 1 times [2022-11-18 21:05:50,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:05:50,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294655692] [2022-11-18 21:05:50,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:05:50,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:05:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:05:51,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 21:05:51,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 21:05:51,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 21:05:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 21:05:51,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:05:51,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:05:51,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-18 21:05:51,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 21:05:51,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-18 21:05:51,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 21:05:51,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-18 21:05:51,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,315 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 21:05:51,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:05:51,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294655692] [2022-11-18 21:05:51,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294655692] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:05:51,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:05:51,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 21:05:51,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783894577] [2022-11-18 21:05:51,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:05:51,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:05:51,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:05:51,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:05:51,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:05:51,317 INFO L87 Difference]: Start difference. First operand 4579 states and 6199 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 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 21:06:15,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:06:20,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:06:22,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:06:25,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:06:27,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:06:33,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:06:33,249 INFO L93 Difference]: Finished difference Result 4592 states and 6210 transitions. [2022-11-18 21:06:33,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 21:06:33,249 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 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 87 [2022-11-18 21:06:33,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:06:33,265 INFO L225 Difference]: With dead ends: 4592 [2022-11-18 21:06:33,265 INFO L226 Difference]: Without dead ends: 4590 [2022-11-18 21:06:33,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-18 21:06:33,270 INFO L413 NwaCegarLoop]: 1119 mSDtfsCounter, 6931 mSDsluCounter, 1944 mSDsCounter, 0 mSdLazyCounter, 7242 mSolverCounterSat, 3847 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7202 SdHoareTripleChecker+Valid, 3063 SdHoareTripleChecker+Invalid, 11093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3847 IncrementalHoareTripleChecker+Valid, 7242 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.0s IncrementalHoareTripleChecker+Time [2022-11-18 21:06:33,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7202 Valid, 3063 Invalid, 11093 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3847 Valid, 7242 Invalid, 4 Unknown, 0 Unchecked, 41.0s Time] [2022-11-18 21:06:33,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4590 states. [2022-11-18 21:06:33,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4590 to 4577. [2022-11-18 21:06:33,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4577 states, 3074 states have (on average 1.2657774886141835) internal successors, (3891), 3242 states have internal predecessors, (3891), 1154 states have call successors, (1154), 332 states have call predecessors, (1154), 331 states have return successors, (1152), 1101 states have call predecessors, (1152), 1152 states have call successors, (1152) [2022-11-18 21:06:33,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4577 states to 4577 states and 6197 transitions. [2022-11-18 21:06:33,769 INFO L78 Accepts]: Start accepts. Automaton has 4577 states and 6197 transitions. Word has length 87 [2022-11-18 21:06:33,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:06:33,769 INFO L495 AbstractCegarLoop]: Abstraction has 4577 states and 6197 transitions. [2022-11-18 21:06:33,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 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 21:06:33,770 INFO L276 IsEmpty]: Start isEmpty. Operand 4577 states and 6197 transitions. [2022-11-18 21:06:33,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-18 21:06:33,771 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:06:33,772 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:06:33,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 21:06:33,772 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-18 21:06:33,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:06:33,772 INFO L85 PathProgramCache]: Analyzing trace with hash -685234720, now seen corresponding path program 1 times [2022-11-18 21:06:33,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:06:33,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711489307] [2022-11-18 21:06:33,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:06:33,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:06:33,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:34,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:06:34,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:34,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 21:06:34,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:34,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 21:06:34,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:34,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 21:06:34,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:34,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:34,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:34,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 21:06:34,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:34,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:06:34,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:34,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:06:34,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:34,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-18 21:06:34,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:34,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 21:06:34,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:34,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-18 21:06:34,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:34,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 21:06:34,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:34,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-18 21:06:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:34,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-18 21:06:34,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:34,563 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 21:06:34,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:06:34,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711489307] [2022-11-18 21:06:34,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711489307] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:06:34,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:06:34,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 21:06:34,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083978001] [2022-11-18 21:06:34,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:06:34,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:06:34,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:06:34,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:06:34,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:06:34,566 INFO L87 Difference]: Start difference. First operand 4577 states and 6197 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 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 21:06:41,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:07:01,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:07:06,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:07:08,971 WARN L539 Checker$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 21:07:11,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:07:17,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:07:17,843 INFO L93 Difference]: Finished difference Result 4594 states and 6212 transitions. [2022-11-18 21:07:17,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 21:07:17,843 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 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 93 [2022-11-18 21:07:17,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:07:17,861 INFO L225 Difference]: With dead ends: 4594 [2022-11-18 21:07:17,862 INFO L226 Difference]: Without dead ends: 4592 [2022-11-18 21:07:17,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-18 21:07:17,865 INFO L413 NwaCegarLoop]: 1121 mSDtfsCounter, 6913 mSDsluCounter, 1948 mSDsCounter, 0 mSdLazyCounter, 7238 mSolverCounterSat, 3851 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7183 SdHoareTripleChecker+Valid, 3069 SdHoareTripleChecker+Invalid, 11093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3851 IncrementalHoareTripleChecker+Valid, 7238 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.2s IncrementalHoareTripleChecker+Time [2022-11-18 21:07:17,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7183 Valid, 3069 Invalid, 11093 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3851 Valid, 7238 Invalid, 4 Unknown, 0 Unchecked, 42.2s Time] [2022-11-18 21:07:17,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4592 states. [2022-11-18 21:07:18,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4592 to 4575. [2022-11-18 21:07:18,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4575 states, 3073 states have (on average 1.2655385616661243) internal successors, (3889), 3240 states have internal predecessors, (3889), 1154 states have call successors, (1154), 332 states have call predecessors, (1154), 331 states have return successors, (1152), 1101 states have call predecessors, (1152), 1152 states have call successors, (1152) [2022-11-18 21:07:18,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4575 states to 4575 states and 6195 transitions. [2022-11-18 21:07:18,276 INFO L78 Accepts]: Start accepts. Automaton has 4575 states and 6195 transitions. Word has length 93 [2022-11-18 21:07:18,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:07:18,276 INFO L495 AbstractCegarLoop]: Abstraction has 4575 states and 6195 transitions. [2022-11-18 21:07:18,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 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 21:07:18,277 INFO L276 IsEmpty]: Start isEmpty. Operand 4575 states and 6195 transitions. [2022-11-18 21:07:18,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-18 21:07:18,278 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:07:18,279 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:07:18,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 21:07:18,279 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 24 more)] === [2022-11-18 21:07:18,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:07:18,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1380400989, now seen corresponding path program 1 times [2022-11-18 21:07:18,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:07:18,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243414241] [2022-11-18 21:07:18,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:07:18,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:07:18,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:18,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:07:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:18,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 21:07:18,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:18,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 21:07:18,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:18,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 21:07:18,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:18,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:18,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 21:07:18,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:18,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:07:18,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:18,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:07:18,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:18,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-18 21:07:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:18,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 21:07:18,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:18,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-18 21:07:18,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:18,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 21:07:18,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:18,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-18 21:07:18,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:19,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-18 21:07:19,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:19,020 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 21:07:19,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:07:19,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243414241] [2022-11-18 21:07:19,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243414241] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:07:19,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:07:19,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 21:07:19,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033953504] [2022-11-18 21:07:19,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:07:19,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:07:19,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:07:19,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:07:19,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:07:19,022 INFO L87 Difference]: Start difference. First operand 4575 states and 6195 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 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 21:07:25,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:07:42,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:07:44,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:07:47,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:07:53,069 WARN L539 Checker$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 21:07:54,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:07:57,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:08:04,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:08:04,261 INFO L93 Difference]: Finished difference Result 4590 states and 6208 transitions. [2022-11-18 21:08:04,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 21:08:04,262 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 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 95 [2022-11-18 21:08:04,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:08:04,281 INFO L225 Difference]: With dead ends: 4590 [2022-11-18 21:08:04,281 INFO L226 Difference]: Without dead ends: 4588 [2022-11-18 21:08:04,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-18 21:08:04,285 INFO L413 NwaCegarLoop]: 1120 mSDtfsCounter, 6905 mSDsluCounter, 1946 mSDsCounter, 0 mSdLazyCounter, 7241 mSolverCounterSat, 3849 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7175 SdHoareTripleChecker+Valid, 3066 SdHoareTripleChecker+Invalid, 11093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3849 IncrementalHoareTripleChecker+Valid, 7241 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.3s IncrementalHoareTripleChecker+Time [2022-11-18 21:08:04,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7175 Valid, 3066 Invalid, 11093 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3849 Valid, 7241 Invalid, 3 Unknown, 0 Unchecked, 44.3s Time] [2022-11-18 21:08:04,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4588 states. [2022-11-18 21:08:04,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4588 to 4573. [2022-11-18 21:08:04,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4573 states, 3072 states have (on average 1.2652994791666667) internal successors, (3887), 3238 states have internal predecessors, (3887), 1154 states have call successors, (1154), 332 states have call predecessors, (1154), 331 states have return successors, (1152), 1101 states have call predecessors, (1152), 1152 states have call successors, (1152) [2022-11-18 21:08:04,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4573 states to 4573 states and 6193 transitions. [2022-11-18 21:08:04,706 INFO L78 Accepts]: Start accepts. Automaton has 4573 states and 6193 transitions. Word has length 95 [2022-11-18 21:08:04,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:08:04,706 INFO L495 AbstractCegarLoop]: Abstraction has 4573 states and 6193 transitions. [2022-11-18 21:08:04,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 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 21:08:04,707 INFO L276 IsEmpty]: Start isEmpty. Operand 4573 states and 6193 transitions. [2022-11-18 21:08:04,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-18 21:08:04,708 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:08:04,709 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 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] [2022-11-18 21:08:04,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 21:08:04,709 INFO L420 AbstractCegarLoop]: === Iteration 13 === 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 24 more)] === [2022-11-18 21:08:04,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:08:04,710 INFO L85 PathProgramCache]: Analyzing trace with hash -2029690768, now seen corresponding path program 1 times [2022-11-18 21:08:04,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:08:04,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346862827] [2022-11-18 21:08:04,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:08:04,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:08:04,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:05,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:08:05,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:05,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 21:08:05,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:05,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:08:05,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:05,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-18 21:08:05,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:05,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:08:05,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:05,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 21:08:05,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:05,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 21:08:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:05,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:08:05,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:05,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 21:08:05,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:05,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-18 21:08:05,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:05,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 21:08:05,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:05,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 21:08:05,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:05,754 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-18 21:08:05,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:08:05,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346862827] [2022-11-18 21:08:05,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346862827] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:08:05,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:08:05,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 21:08:05,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931396399] [2022-11-18 21:08:05,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:08:05,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 21:08:05,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:08:05,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 21:08:05,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-18 21:08:05,765 INFO L87 Difference]: Start difference. First operand 4573 states and 6193 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-18 21:08:13,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:08:15,345 WARN L539 Checker$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 21:08:49,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:08:49,783 INFO L93 Difference]: Finished difference Result 10476 states and 14955 transitions. [2022-11-18 21:08:49,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 21:08:49,784 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 99 [2022-11-18 21:08:49,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:08:49,835 INFO L225 Difference]: With dead ends: 10476 [2022-11-18 21:08:49,836 INFO L226 Difference]: Without dead ends: 10474 [2022-11-18 21:08:49,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2022-11-18 21:08:49,841 INFO L413 NwaCegarLoop]: 3618 mSDtfsCounter, 7171 mSDsluCounter, 9823 mSDsCounter, 0 mSdLazyCounter, 8788 mSolverCounterSat, 3961 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7811 SdHoareTripleChecker+Valid, 13441 SdHoareTripleChecker+Invalid, 12750 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3961 IncrementalHoareTripleChecker+Valid, 8788 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.1s IncrementalHoareTripleChecker+Time [2022-11-18 21:08:49,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7811 Valid, 13441 Invalid, 12750 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3961 Valid, 8788 Invalid, 1 Unknown, 0 Unchecked, 42.1s Time] [2022-11-18 21:08:49,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10474 states. [2022-11-18 21:08:50,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10474 to 8703. [2022-11-18 21:08:50,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8703 states, 5858 states have (on average 1.2676681461249573) internal successors, (7426), 6167 states have internal predecessors, (7426), 2184 states have call successors, (2184), 650 states have call predecessors, (2184), 645 states have return successors, (2202), 2073 states have call predecessors, (2202), 2182 states have call successors, (2202) [2022-11-18 21:08:50,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8703 states to 8703 states and 11812 transitions. [2022-11-18 21:08:50,792 INFO L78 Accepts]: Start accepts. Automaton has 8703 states and 11812 transitions. Word has length 99 [2022-11-18 21:08:50,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:08:50,792 INFO L495 AbstractCegarLoop]: Abstraction has 8703 states and 11812 transitions. [2022-11-18 21:08:50,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-18 21:08:50,793 INFO L276 IsEmpty]: Start isEmpty. Operand 8703 states and 11812 transitions. [2022-11-18 21:08:50,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-18 21:08:50,798 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:08:50,799 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:08:50,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-18 21:08:50,799 INFO L420 AbstractCegarLoop]: === Iteration 14 === 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 24 more)] === [2022-11-18 21:08:50,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:08:50,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1980896279, now seen corresponding path program 1 times [2022-11-18 21:08:50,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:08:50,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837244142] [2022-11-18 21:08:50,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:08:50,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:08:50,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:51,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:08:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:51,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 21:08:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:51,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 21:08:51,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:51,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 21:08:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:51,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:08:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:51,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 21:08:51,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:51,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:08:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:51,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:08:51,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:51,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-18 21:08:51,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:51,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 21:08:51,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:51,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-18 21:08:51,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:51,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 21:08:51,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:51,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-18 21:08:51,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:51,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-18 21:08:51,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:51,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-18 21:08:51,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:51,573 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 21:08:51,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:08:51,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837244142] [2022-11-18 21:08:51,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837244142] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:08:51,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:08:51,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 21:08:51,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65000105] [2022-11-18 21:08:51,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:08:51,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:08:51,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:08:51,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:08:51,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:08:51,577 INFO L87 Difference]: Start difference. First operand 8703 states and 11812 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 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 21:09:16,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:09:18,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:09:21,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:09:27,338 WARN L539 Checker$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 21:09:28,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:09:32,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:09:39,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:09:39,613 INFO L93 Difference]: Finished difference Result 8727 states and 11839 transitions. [2022-11-18 21:09:39,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 21:09:39,614 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 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 101 [2022-11-18 21:09:39,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:09:39,645 INFO L225 Difference]: With dead ends: 8727 [2022-11-18 21:09:39,645 INFO L226 Difference]: Without dead ends: 8725 [2022-11-18 21:09:39,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-18 21:09:39,650 INFO L413 NwaCegarLoop]: 1120 mSDtfsCounter, 6901 mSDsluCounter, 1946 mSDsCounter, 0 mSdLazyCounter, 7237 mSolverCounterSat, 3849 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7170 SdHoareTripleChecker+Valid, 3066 SdHoareTripleChecker+Invalid, 11089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3849 IncrementalHoareTripleChecker+Valid, 7237 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.4s IncrementalHoareTripleChecker+Time [2022-11-18 21:09:39,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7170 Valid, 3066 Invalid, 11089 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3849 Valid, 7237 Invalid, 3 Unknown, 0 Unchecked, 46.4s Time] [2022-11-18 21:09:39,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8725 states. [2022-11-18 21:09:40,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8725 to 8701. [2022-11-18 21:09:40,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8701 states, 5857 states have (on average 1.267372374935974) internal successors, (7423), 6165 states have internal predecessors, (7423), 2184 states have call successors, (2184), 650 states have call predecessors, (2184), 645 states have return successors, (2202), 2073 states have call predecessors, (2202), 2182 states have call successors, (2202) [2022-11-18 21:09:40,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8701 states to 8701 states and 11809 transitions. [2022-11-18 21:09:40,380 INFO L78 Accepts]: Start accepts. Automaton has 8701 states and 11809 transitions. Word has length 101 [2022-11-18 21:09:40,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:09:40,381 INFO L495 AbstractCegarLoop]: Abstraction has 8701 states and 11809 transitions. [2022-11-18 21:09:40,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 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 21:09:40,381 INFO L276 IsEmpty]: Start isEmpty. Operand 8701 states and 11809 transitions. [2022-11-18 21:09:40,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-18 21:09:40,383 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:09:40,384 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:09:40,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 21:09:40,384 INFO L420 AbstractCegarLoop]: === Iteration 15 === 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 24 more)] === [2022-11-18 21:09:40,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:09:40,385 INFO L85 PathProgramCache]: Analyzing trace with hash -295816047, now seen corresponding path program 1 times [2022-11-18 21:09:40,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:09:40,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534208101] [2022-11-18 21:09:40,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:09:40,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:09:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:40,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:09:40,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:40,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 21:09:40,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:40,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 21:09:40,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:40,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 21:09:40,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:40,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:09:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:40,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 21:09:40,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:40,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:09:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:41,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:09:41,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:41,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-18 21:09:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:41,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 21:09:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:41,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-18 21:09:41,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:41,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 21:09:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:41,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-18 21:09:41,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:41,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-18 21:09:41,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:41,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-18 21:09:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:41,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 21:09:41,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:41,136 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 21:09:41,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:09:41,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534208101] [2022-11-18 21:09:41,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534208101] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:09:41,136 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:09:41,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 21:09:41,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928608113] [2022-11-18 21:09:41,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:09:41,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:09:41,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:09:41,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:09:41,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:09:41,138 INFO L87 Difference]: Start difference. First operand 8701 states and 11809 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 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 21:10:08,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:10:14,173 WARN L539 Checker$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 21:10:15,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:10:16,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:10:20,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:10:26,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:10:26,757 INFO L93 Difference]: Finished difference Result 8725 states and 11836 transitions. [2022-11-18 21:10:26,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 21:10:26,758 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 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 107 [2022-11-18 21:10:26,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:10:26,794 INFO L225 Difference]: With dead ends: 8725 [2022-11-18 21:10:26,794 INFO L226 Difference]: Without dead ends: 8723 [2022-11-18 21:10:26,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-18 21:10:26,801 INFO L413 NwaCegarLoop]: 1120 mSDtfsCounter, 6895 mSDsluCounter, 1946 mSDsCounter, 0 mSdLazyCounter, 7233 mSolverCounterSat, 3849 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7163 SdHoareTripleChecker+Valid, 3066 SdHoareTripleChecker+Invalid, 11085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3849 IncrementalHoareTripleChecker+Valid, 7233 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.1s IncrementalHoareTripleChecker+Time [2022-11-18 21:10:26,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7163 Valid, 3066 Invalid, 11085 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3849 Valid, 7233 Invalid, 3 Unknown, 0 Unchecked, 44.1s Time] [2022-11-18 21:10:26,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8723 states. [2022-11-18 21:10:27,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8723 to 8699. [2022-11-18 21:10:27,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8699 states, 5856 states have (on average 1.2670765027322404) internal successors, (7420), 6163 states have internal predecessors, (7420), 2184 states have call successors, (2184), 650 states have call predecessors, (2184), 645 states have return successors, (2202), 2073 states have call predecessors, (2202), 2182 states have call successors, (2202) [2022-11-18 21:10:27,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8699 states to 8699 states and 11806 transitions. [2022-11-18 21:10:27,624 INFO L78 Accepts]: Start accepts. Automaton has 8699 states and 11806 transitions. Word has length 107 [2022-11-18 21:10:27,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:10:27,625 INFO L495 AbstractCegarLoop]: Abstraction has 8699 states and 11806 transitions. [2022-11-18 21:10:27,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 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 21:10:27,625 INFO L276 IsEmpty]: Start isEmpty. Operand 8699 states and 11806 transitions. [2022-11-18 21:10:27,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-18 21:10:27,628 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:10:27,628 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:10:27,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-18 21:10:27,629 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 24 more)] === [2022-11-18 21:10:27,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:10:27,629 INFO L85 PathProgramCache]: Analyzing trace with hash 466270462, now seen corresponding path program 1 times [2022-11-18 21:10:27,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:10:27,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475297809] [2022-11-18 21:10:27,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:10:27,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:10:27,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:28,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:10:28,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:28,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 21:10:28,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:28,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 21:10:28,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:28,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 21:10:28,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:28,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:10:28,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:28,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 21:10:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:28,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:10:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:28,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:10:28,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:28,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-18 21:10:28,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:28,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 21:10:28,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:28,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-18 21:10:28,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:28,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 21:10:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:28,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-18 21:10:28,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:28,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-18 21:10:28,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:28,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-18 21:10:28,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:28,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 21:10:28,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:28,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 21:10:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:28,426 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 21:10:28,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:10:28,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475297809] [2022-11-18 21:10:28,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475297809] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:10:28,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:10:28,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 21:10:28,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108594945] [2022-11-18 21:10:28,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:10:28,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:10:28,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:10:28,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:10:28,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:10:28,432 INFO L87 Difference]: Start difference. First operand 8699 states and 11806 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 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 21:10:34,622 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 21:10:57,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:11:03,270 WARN L539 Checker$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 21:11:04,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:11:08,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:11:15,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:11:15,525 INFO L93 Difference]: Finished difference Result 8726 states and 11837 transitions. [2022-11-18 21:11:15,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 21:11:15,526 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 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 113 [2022-11-18 21:11:15,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:11:15,564 INFO L225 Difference]: With dead ends: 8726 [2022-11-18 21:11:15,564 INFO L226 Difference]: Without dead ends: 8724 [2022-11-18 21:11:15,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-18 21:11:15,572 INFO L413 NwaCegarLoop]: 1122 mSDtfsCounter, 6894 mSDsluCounter, 1947 mSDsCounter, 0 mSdLazyCounter, 7254 mSolverCounterSat, 3865 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7162 SdHoareTripleChecker+Valid, 3069 SdHoareTripleChecker+Invalid, 11123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3865 IncrementalHoareTripleChecker+Valid, 7254 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.6s IncrementalHoareTripleChecker+Time [2022-11-18 21:11:15,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7162 Valid, 3069 Invalid, 11123 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3865 Valid, 7254 Invalid, 4 Unknown, 0 Unchecked, 45.6s Time] [2022-11-18 21:11:15,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8724 states. [2022-11-18 21:11:16,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8724 to 8697. [2022-11-18 21:11:16,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8697 states, 5855 states have (on average 1.2667805294619983) internal successors, (7417), 6161 states have internal predecessors, (7417), 2184 states have call successors, (2184), 650 states have call predecessors, (2184), 645 states have return successors, (2202), 2073 states have call predecessors, (2202), 2182 states have call successors, (2202) [2022-11-18 21:11:16,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8697 states to 8697 states and 11803 transitions. [2022-11-18 21:11:16,646 INFO L78 Accepts]: Start accepts. Automaton has 8697 states and 11803 transitions. Word has length 113 [2022-11-18 21:11:16,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:11:16,646 INFO L495 AbstractCegarLoop]: Abstraction has 8697 states and 11803 transitions. [2022-11-18 21:11:16,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 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 21:11:16,647 INFO L276 IsEmpty]: Start isEmpty. Operand 8697 states and 11803 transitions. [2022-11-18 21:11:16,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-18 21:11:16,649 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:11:16,649 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:11:16,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-18 21:11:16,650 INFO L420 AbstractCegarLoop]: === Iteration 17 === 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 24 more)] === [2022-11-18 21:11:16,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:11:16,650 INFO L85 PathProgramCache]: Analyzing trace with hash 843882549, now seen corresponding path program 1 times [2022-11-18 21:11:16,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:11:16,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731301110] [2022-11-18 21:11:16,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:11:16,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:11:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:17,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:11:17,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:17,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 21:11:17,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:17,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:11:17,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:17,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-18 21:11:17,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:17,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:11:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:17,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 21:11:17,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:17,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 21:11:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:17,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 21:11:17,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:17,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 21:11:17,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:17,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:11:17,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:17,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:11:17,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:17,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 21:11:17,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:17,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 21:11:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:17,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 21:11:17,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:17,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:11:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:17,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:11:17,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:17,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 21:11:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:17,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 21:11:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:17,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-18 21:11:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:17,421 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-11-18 21:11:17,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:11:17,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731301110] [2022-11-18 21:11:17,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731301110] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:11:17,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:11:17,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 21:11:17,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769024294] [2022-11-18 21:11:17,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:11:17,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:11:17,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:11:17,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:11:17,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:11:17,424 INFO L87 Difference]: Start difference. First operand 8697 states and 11803 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-18 21:11:24,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:11:43,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:11:43,310 INFO L93 Difference]: Finished difference Result 19042 states and 26621 transitions. [2022-11-18 21:11:43,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 21:11:43,311 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 134 [2022-11-18 21:11:43,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:11:43,349 INFO L225 Difference]: With dead ends: 19042 [2022-11-18 21:11:43,350 INFO L226 Difference]: Without dead ends: 10523 [2022-11-18 21:11:43,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-11-18 21:11:43,387 INFO L413 NwaCegarLoop]: 2988 mSDtfsCounter, 5676 mSDsluCounter, 3543 mSDsCounter, 0 mSdLazyCounter, 4565 mSolverCounterSat, 2550 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6212 SdHoareTripleChecker+Valid, 6531 SdHoareTripleChecker+Invalid, 7115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2550 IncrementalHoareTripleChecker+Valid, 4565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.2s IncrementalHoareTripleChecker+Time [2022-11-18 21:11:43,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6212 Valid, 6531 Invalid, 7115 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2550 Valid, 4565 Invalid, 0 Unknown, 0 Unchecked, 24.2s Time] [2022-11-18 21:11:43,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10523 states. [2022-11-18 21:11:44,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10523 to 8698. [2022-11-18 21:11:44,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8698 states, 5856 states have (on average 1.2665642076502732) internal successors, (7417), 6162 states have internal predecessors, (7417), 2184 states have call successors, (2184), 650 states have call predecessors, (2184), 645 states have return successors, (2202), 2073 states have call predecessors, (2202), 2182 states have call successors, (2202) [2022-11-18 21:11:44,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8698 states to 8698 states and 11803 transitions. [2022-11-18 21:11:44,220 INFO L78 Accepts]: Start accepts. Automaton has 8698 states and 11803 transitions. Word has length 134 [2022-11-18 21:11:44,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:11:44,221 INFO L495 AbstractCegarLoop]: Abstraction has 8698 states and 11803 transitions. [2022-11-18 21:11:44,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-18 21:11:44,221 INFO L276 IsEmpty]: Start isEmpty. Operand 8698 states and 11803 transitions. [2022-11-18 21:11:44,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-18 21:11:44,224 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:11:44,224 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:11:44,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-18 21:11:44,225 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-18 21:11:44,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:11:44,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1037159605, now seen corresponding path program 1 times [2022-11-18 21:11:44,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:11:44,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068116579] [2022-11-18 21:11:44,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:11:44,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:11:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:44,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:11:44,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:44,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 21:11:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:44,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 21:11:44,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:44,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-18 21:11:44,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:44,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:11:44,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:44,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 21:11:44,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:44,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-18 21:11:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:44,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 21:11:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:44,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 21:11:44,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:44,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 21:11:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:44,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 21:11:44,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:44,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 21:11:44,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:44,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 21:11:44,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:44,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 21:11:44,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:44,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 21:11:44,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:44,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-18 21:11:44,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:45,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-18 21:11:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:45,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-18 21:11:45,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:45,101 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 21:11:45,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:11:45,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068116579] [2022-11-18 21:11:45,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068116579] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:11:45,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:11:45,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 21:11:45,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372698534] [2022-11-18 21:11:45,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:11:45,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:11:45,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:11:45,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:11:45,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:11:45,104 INFO L87 Difference]: Start difference. First operand 8698 states and 11803 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 4 states have internal predecessors, (78), 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 21:11:50,955 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 21:11:52,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:12:20,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:12:23,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:12:25,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:12:26,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:12:27,333 WARN L539 Checker$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 21:12:29,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:12:49,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:12:49,047 INFO L93 Difference]: Finished difference Result 13545 states and 18381 transitions. [2022-11-18 21:12:49,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 21:12:49,048 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 4 states have internal predecessors, (78), 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 121 [2022-11-18 21:12:49,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:12:49,094 INFO L225 Difference]: With dead ends: 13545 [2022-11-18 21:12:49,094 INFO L226 Difference]: Without dead ends: 13543 [2022-11-18 21:12:49,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-18 21:12:49,102 INFO L413 NwaCegarLoop]: 1224 mSDtfsCounter, 8704 mSDsluCounter, 2268 mSDsCounter, 0 mSdLazyCounter, 10017 mSolverCounterSat, 4991 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8961 SdHoareTripleChecker+Valid, 3492 SdHoareTripleChecker+Invalid, 15011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4991 IncrementalHoareTripleChecker+Valid, 10017 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.6s IncrementalHoareTripleChecker+Time [2022-11-18 21:12:49,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8961 Valid, 3492 Invalid, 15011 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4991 Valid, 10017 Invalid, 3 Unknown, 0 Unchecked, 61.6s Time] [2022-11-18 21:12:49,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13543 states. [2022-11-18 21:12:50,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13543 to 13334. [2022-11-18 21:12:50,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13334 states, 8986 states have (on average 1.2743156020476296) internal successors, (11451), 9473 states have internal predecessors, (11451), 3337 states have call successors, (3337), 1007 states have call predecessors, (3337), 998 states have return successors, (3369), 3155 states have call predecessors, (3369), 3335 states have call successors, (3369) [2022-11-18 21:12:50,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13334 states to 13334 states and 18157 transitions. [2022-11-18 21:12:50,729 INFO L78 Accepts]: Start accepts. Automaton has 13334 states and 18157 transitions. Word has length 121 [2022-11-18 21:12:50,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:12:50,729 INFO L495 AbstractCegarLoop]: Abstraction has 13334 states and 18157 transitions. [2022-11-18 21:12:50,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 4 states have internal predecessors, (78), 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 21:12:50,730 INFO L276 IsEmpty]: Start isEmpty. Operand 13334 states and 18157 transitions. [2022-11-18 21:12:50,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-18 21:12:50,733 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:12:50,733 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:12:50,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-18 21:12:50,734 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-18 21:12:50,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:12:50,737 INFO L85 PathProgramCache]: Analyzing trace with hash 385529626, now seen corresponding path program 1 times [2022-11-18 21:12:50,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:12:50,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871427743] [2022-11-18 21:12:50,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:12:50,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:12:50,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:51,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:12:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:51,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 21:12:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:51,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:12:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:51,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-18 21:12:51,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:51,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:12:51,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:51,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 21:12:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:51,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 21:12:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:51,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:12:51,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:51,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 21:12:51,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:51,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-18 21:12:51,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:51,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 21:12:51,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:51,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 21:12:51,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:51,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-18 21:12:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:51,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:12:51,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:51,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:12:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:51,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 21:12:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:51,359 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-18 21:12:51,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:12:51,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871427743] [2022-11-18 21:12:51,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871427743] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:12:51,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:12:51,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 21:12:51,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468074773] [2022-11-18 21:12:51,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:12:51,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:12:51,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:12:51,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:12:51,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:12:51,362 INFO L87 Difference]: Start difference. First operand 13334 states and 18157 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-11-18 21:12:58,481 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 21:13:00,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:13:03,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:13:30,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:13:32,286 WARN L539 Checker$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 21:13:34,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:13:45,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:13:45,527 INFO L93 Difference]: Finished difference Result 29735 states and 41790 transitions. [2022-11-18 21:13:45,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 21:13:45,528 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 123 [2022-11-18 21:13:45,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:13:45,590 INFO L225 Difference]: With dead ends: 29735 [2022-11-18 21:13:45,590 INFO L226 Difference]: Without dead ends: 16435 [2022-11-18 21:13:45,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-11-18 21:13:45,630 INFO L413 NwaCegarLoop]: 1750 mSDtfsCounter, 4262 mSDsluCounter, 3029 mSDsCounter, 0 mSdLazyCounter, 7430 mSolverCounterSat, 3034 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4693 SdHoareTripleChecker+Valid, 4779 SdHoareTripleChecker+Invalid, 10469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3034 IncrementalHoareTripleChecker+Valid, 7430 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.6s IncrementalHoareTripleChecker+Time [2022-11-18 21:13:45,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4693 Valid, 4779 Invalid, 10469 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3034 Valid, 7430 Invalid, 5 Unknown, 0 Unchecked, 51.6s Time] [2022-11-18 21:13:45,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16435 states. [2022-11-18 21:13:47,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16435 to 13587. [2022-11-18 21:13:47,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13587 states, 9155 states have (on average 1.2744948115783725) internal successors, (11668), 9658 states have internal predecessors, (11668), 3405 states have call successors, (3405), 1007 states have call predecessors, (3405), 1014 states have return successors, (3467), 3225 states have call predecessors, (3467), 3403 states have call successors, (3467) [2022-11-18 21:13:47,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13587 states to 13587 states and 18540 transitions. [2022-11-18 21:13:47,470 INFO L78 Accepts]: Start accepts. Automaton has 13587 states and 18540 transitions. Word has length 123 [2022-11-18 21:13:47,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:13:47,470 INFO L495 AbstractCegarLoop]: Abstraction has 13587 states and 18540 transitions. [2022-11-18 21:13:47,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-11-18 21:13:47,471 INFO L276 IsEmpty]: Start isEmpty. Operand 13587 states and 18540 transitions. [2022-11-18 21:13:47,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-18 21:13:47,474 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:13:47,475 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 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 21:13:47,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-18 21:13:47,475 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-11-18 21:13:47,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:13:47,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1888750418, now seen corresponding path program 1 times [2022-11-18 21:13:47,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:13:47,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731147162] [2022-11-18 21:13:47,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:13:47,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:13:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:47,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:13:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:47,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 21:13:47,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:47,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:13:47,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:47,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-18 21:13:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:48,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:13:48,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:48,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 21:13:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:48,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 21:13:48,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:48,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:13:48,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:48,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 21:13:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:48,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-18 21:13:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:48,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 21:13:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:48,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 21:13:48,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:48,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 21:13:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:48,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-18 21:13:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:48,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:13:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:48,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:13:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:48,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 21:13:48,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:13:48,252 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-18 21:13:48,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:13:48,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731147162] [2022-11-18 21:13:48,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731147162] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:13:48,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:13:48,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 21:13:48,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082605186] [2022-11-18 21:13:48,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:13:48,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 21:13:48,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:13:48,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 21:13:48,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-18 21:13:48,255 INFO L87 Difference]: Start difference. First operand 13587 states and 18540 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 4 states have internal predecessors, (84), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-18 21:13:54,785 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 21:13:56,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:14:07,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []