./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_864ca096-51d9-4e6b-9016-bd04bd4000a9/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/bin/uautomizer-vX5HgA9Q3a --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 215f888dc671693e11ab9e6bd2129df5ac5b9449825c6d5223962a3561afda36 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 16:48:34,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:48:34,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:48:34,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:48:34,602 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:48:34,603 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:48:34,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:48:34,606 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:48:34,608 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:48:34,609 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:48:34,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:48:34,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:48:34,615 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:48:34,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:48:34,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:48:34,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:48:34,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:48:34,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:48:34,628 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:48:34,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:48:34,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:48:34,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:48:34,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:48:34,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:48:34,643 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:48:34,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:48:34,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:48:34,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:48:34,645 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:48:34,646 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:48:34,646 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:48:34,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:48:34,647 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:48:34,648 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:48:34,649 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:48:34,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:48:34,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:48:34,650 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:48:34,651 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:48:34,651 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:48:34,652 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:48:34,662 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 16:48:34,695 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:48:34,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:48:34,696 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:48:34,696 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:48:34,697 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:48:34,703 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:48:34,703 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:48:34,704 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:48:34,704 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:48:34,704 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:48:34,705 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:48:34,705 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:48:34,705 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:48:34,706 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:48:34,706 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:48:34,706 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:48:34,706 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:48:34,706 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:48:34,707 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:48:34,707 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:48:34,707 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:48:34,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:48:34,707 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:48:34,708 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:48:34,708 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:48:34,708 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:48:34,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:48:34,708 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:48:34,709 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:48:34,709 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:48:34,709 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_864ca096-51d9-4e6b-9016-bd04bd4000a9/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 215f888dc671693e11ab9e6bd2129df5ac5b9449825c6d5223962a3561afda36 [2022-11-21 16:48:34,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:48:35,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:48:35,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:48:35,035 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:48:35,036 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:48:35,037 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i [2022-11-21 16:48:38,084 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:48:38,999 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:48:38,999 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i [2022-11-21 16:48:39,107 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/bin/uautomizer-vX5HgA9Q3a/data/0c3a5e1e4/8254687b6a8f470ea141c918a6ab0f14/FLAG031316cc9 [2022-11-21 16:48:39,125 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/bin/uautomizer-vX5HgA9Q3a/data/0c3a5e1e4/8254687b6a8f470ea141c918a6ab0f14 [2022-11-21 16:48:39,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:48:39,130 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:48:39,133 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:48:39,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:48:39,140 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:48:39,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:48:39" (1/1) ... [2022-11-21 16:48:39,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c34090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:48:39, skipping insertion in model container [2022-11-21 16:48:39,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:48:39" (1/1) ... [2022-11-21 16:48:39,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:48:39,353 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:48:45,679 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[628967,628980] [2022-11-21 16:48:45,685 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629112,629125] [2022-11-21 16:48:45,686 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629258,629271] [2022-11-21 16:48:45,687 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629423,629436] [2022-11-21 16:48:45,690 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629581,629594] [2022-11-21 16:48:45,697 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629739,629752] [2022-11-21 16:48:45,698 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629897,629910] [2022-11-21 16:48:45,699 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630057,630070] [2022-11-21 16:48:45,700 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630216,630229] [2022-11-21 16:48:45,700 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630355,630368] [2022-11-21 16:48:45,701 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630497,630510] [2022-11-21 16:48:45,702 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630646,630659] [2022-11-21 16:48:45,703 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630785,630798] [2022-11-21 16:48:45,703 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630940,630953] [2022-11-21 16:48:45,704 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631100,631113] [2022-11-21 16:48:45,704 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631251,631264] [2022-11-21 16:48:45,705 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631402,631415] [2022-11-21 16:48:45,705 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631554,631567] [2022-11-21 16:48:45,705 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631703,631716] [2022-11-21 16:48:45,706 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631851,631864] [2022-11-21 16:48:45,706 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632008,632021] [2022-11-21 16:48:45,707 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632157,632170] [2022-11-21 16:48:45,707 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632313,632326] [2022-11-21 16:48:45,713 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632466,632479] [2022-11-21 16:48:45,716 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632612,632625] [2022-11-21 16:48:45,717 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632755,632768] [2022-11-21 16:48:45,717 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632907,632920] [2022-11-21 16:48:45,720 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633053,633066] [2022-11-21 16:48:45,720 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633198,633211] [2022-11-21 16:48:45,721 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633352,633365] [2022-11-21 16:48:45,721 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633503,633516] [2022-11-21 16:48:45,723 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633658,633671] [2022-11-21 16:48:45,724 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633810,633823] [2022-11-21 16:48:45,724 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633965,633978] [2022-11-21 16:48:45,724 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634129,634142] [2022-11-21 16:48:45,726 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634285,634298] [2022-11-21 16:48:45,726 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634449,634462] [2022-11-21 16:48:45,727 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634591,634604] [2022-11-21 16:48:45,727 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634749,634762] [2022-11-21 16:48:45,728 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634916,634929] [2022-11-21 16:48:45,728 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635075,635088] [2022-11-21 16:48:45,734 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635234,635247] [2022-11-21 16:48:45,735 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635383,635396] [2022-11-21 16:48:45,736 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635530,635543] [2022-11-21 16:48:45,737 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635669,635682] [2022-11-21 16:48:45,738 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635832,635845] [2022-11-21 16:48:45,740 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635998,636011] [2022-11-21 16:48:45,740 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636162,636175] [2022-11-21 16:48:45,742 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636327,636340] [2022-11-21 16:48:45,742 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636492,636505] [2022-11-21 16:48:45,743 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636658,636671] [2022-11-21 16:48:45,743 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636823,636836] [2022-11-21 16:48:45,744 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636990,637003] [2022-11-21 16:48:45,745 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637150,637163] [2022-11-21 16:48:45,745 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637312,637325] [2022-11-21 16:48:45,746 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637471,637484] [2022-11-21 16:48:45,746 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637617,637630] [2022-11-21 16:48:45,747 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637760,637773] [2022-11-21 16:48:45,748 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637904,637917] [2022-11-21 16:48:45,748 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638047,638060] [2022-11-21 16:48:45,749 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638191,638204] [2022-11-21 16:48:45,750 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638332,638345] [2022-11-21 16:48:45,751 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638470,638483] [2022-11-21 16:48:45,751 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638628,638641] [2022-11-21 16:48:45,752 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638787,638800] [2022-11-21 16:48:45,752 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638943,638956] [2022-11-21 16:48:45,753 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639092,639105] [2022-11-21 16:48:45,753 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639244,639257] [2022-11-21 16:48:45,754 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639395,639408] [2022-11-21 16:48:45,754 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639544,639557] [2022-11-21 16:48:45,755 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639696,639709] [2022-11-21 16:48:45,755 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639844,639857] [2022-11-21 16:48:45,756 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639997,640010] [2022-11-21 16:48:45,756 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640148,640161] [2022-11-21 16:48:45,757 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640298,640311] [2022-11-21 16:48:45,758 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640445,640458] [2022-11-21 16:48:45,759 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640596,640609] [2022-11-21 16:48:45,762 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640747,640760] [2022-11-21 16:48:45,763 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640895,640908] [2022-11-21 16:48:45,764 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641061,641074] [2022-11-21 16:48:45,764 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641230,641243] [2022-11-21 16:48:45,765 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641397,641410] [2022-11-21 16:48:45,765 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641565,641578] [2022-11-21 16:48:45,766 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641715,641728] [2022-11-21 16:48:45,766 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641862,641875] [2022-11-21 16:48:45,767 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[642023,642036] [2022-11-21 16:48:45,767 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[642193,642206] [2022-11-21 16:48:45,767 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[642355,642368] [2022-11-21 16:48:45,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:48:45,885 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:48:46,386 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[628967,628980] [2022-11-21 16:48:46,387 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629112,629125] [2022-11-21 16:48:46,388 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629258,629271] [2022-11-21 16:48:46,389 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629423,629436] [2022-11-21 16:48:46,389 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629581,629594] [2022-11-21 16:48:46,390 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629739,629752] [2022-11-21 16:48:46,390 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629897,629910] [2022-11-21 16:48:46,390 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630057,630070] [2022-11-21 16:48:46,391 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630216,630229] [2022-11-21 16:48:46,391 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630355,630368] [2022-11-21 16:48:46,392 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630497,630510] [2022-11-21 16:48:46,393 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630646,630659] [2022-11-21 16:48:46,393 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630785,630798] [2022-11-21 16:48:46,394 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630940,630953] [2022-11-21 16:48:46,394 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631100,631113] [2022-11-21 16:48:46,395 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631251,631264] [2022-11-21 16:48:46,395 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631402,631415] [2022-11-21 16:48:46,396 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631554,631567] [2022-11-21 16:48:46,396 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631703,631716] [2022-11-21 16:48:46,397 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631851,631864] [2022-11-21 16:48:46,397 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632008,632021] [2022-11-21 16:48:46,397 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632157,632170] [2022-11-21 16:48:46,398 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632313,632326] [2022-11-21 16:48:46,398 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632466,632479] [2022-11-21 16:48:46,399 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632612,632625] [2022-11-21 16:48:46,399 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632755,632768] [2022-11-21 16:48:46,400 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632907,632920] [2022-11-21 16:48:46,401 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633053,633066] [2022-11-21 16:48:46,402 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633198,633211] [2022-11-21 16:48:46,402 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633352,633365] [2022-11-21 16:48:46,403 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633503,633516] [2022-11-21 16:48:46,403 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633658,633671] [2022-11-21 16:48:46,403 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633810,633823] [2022-11-21 16:48:46,404 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633965,633978] [2022-11-21 16:48:46,405 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634129,634142] [2022-11-21 16:48:46,406 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634285,634298] [2022-11-21 16:48:46,406 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634449,634462] [2022-11-21 16:48:46,407 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634591,634604] [2022-11-21 16:48:46,407 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634749,634762] [2022-11-21 16:48:46,408 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634916,634929] [2022-11-21 16:48:46,409 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635075,635088] [2022-11-21 16:48:46,410 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635234,635247] [2022-11-21 16:48:46,410 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635383,635396] [2022-11-21 16:48:46,411 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635530,635543] [2022-11-21 16:48:46,411 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635669,635682] [2022-11-21 16:48:46,413 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635832,635845] [2022-11-21 16:48:46,413 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635998,636011] [2022-11-21 16:48:46,414 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636162,636175] [2022-11-21 16:48:46,414 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636327,636340] [2022-11-21 16:48:46,415 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636492,636505] [2022-11-21 16:48:46,415 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636658,636671] [2022-11-21 16:48:46,416 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636823,636836] [2022-11-21 16:48:46,416 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636990,637003] [2022-11-21 16:48:46,416 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637150,637163] [2022-11-21 16:48:46,422 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637312,637325] [2022-11-21 16:48:46,422 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637471,637484] [2022-11-21 16:48:46,423 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637617,637630] [2022-11-21 16:48:46,423 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637760,637773] [2022-11-21 16:48:46,424 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637904,637917] [2022-11-21 16:48:46,429 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638047,638060] [2022-11-21 16:48:46,430 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638191,638204] [2022-11-21 16:48:46,430 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638332,638345] [2022-11-21 16:48:46,432 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638470,638483] [2022-11-21 16:48:46,433 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638628,638641] [2022-11-21 16:48:46,436 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638787,638800] [2022-11-21 16:48:46,437 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638943,638956] [2022-11-21 16:48:46,437 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639092,639105] [2022-11-21 16:48:46,438 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639244,639257] [2022-11-21 16:48:46,439 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639395,639408] [2022-11-21 16:48:46,440 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639544,639557] [2022-11-21 16:48:46,441 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639696,639709] [2022-11-21 16:48:46,441 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639844,639857] [2022-11-21 16:48:46,442 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639997,640010] [2022-11-21 16:48:46,446 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640148,640161] [2022-11-21 16:48:46,448 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640298,640311] [2022-11-21 16:48:46,448 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640445,640458] [2022-11-21 16:48:46,449 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640596,640609] [2022-11-21 16:48:46,449 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640747,640760] [2022-11-21 16:48:46,450 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640895,640908] [2022-11-21 16:48:46,451 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641061,641074] [2022-11-21 16:48:46,452 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641230,641243] [2022-11-21 16:48:46,452 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641397,641410] [2022-11-21 16:48:46,452 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641565,641578] [2022-11-21 16:48:46,453 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641715,641728] [2022-11-21 16:48:46,453 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641862,641875] [2022-11-21 16:48:46,454 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[642023,642036] [2022-11-21 16:48:46,454 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[642193,642206] [2022-11-21 16:48:46,454 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[642355,642368] [2022-11-21 16:48:46,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:48:46,802 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:48:46,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:48:46 WrapperNode [2022-11-21 16:48:46,803 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:48:46,804 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:48:46,804 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:48:46,804 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:48:46,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:48:46" (1/1) ... [2022-11-21 16:48:46,968 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:48:46" (1/1) ... [2022-11-21 16:48:47,331 INFO L138 Inliner]: procedures = 800, calls = 5122, calls flagged for inlining = 403, calls inlined = 325, statements flattened = 9639 [2022-11-21 16:48:47,332 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:48:47,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:48:47,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:48:47,333 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:48:47,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:48:46" (1/1) ... [2022-11-21 16:48:47,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:48:46" (1/1) ... [2022-11-21 16:48:47,407 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:48:46" (1/1) ... [2022-11-21 16:48:47,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:48:46" (1/1) ... [2022-11-21 16:48:47,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:48:46" (1/1) ... [2022-11-21 16:48:47,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:48:46" (1/1) ... [2022-11-21 16:48:47,793 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:48:46" (1/1) ... [2022-11-21 16:48:47,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:48:46" (1/1) ... [2022-11-21 16:48:47,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:48:47,898 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:48:47,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:48:47,898 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:48:47,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:48:46" (1/1) ... [2022-11-21 16:48:47,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:48:47,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:48:47,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:48:47,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:48:47,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_125 [2022-11-21 16:48:47,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_125 [2022-11-21 16:48:47,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-21 16:48:47,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-21 16:48:47,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-21 16:48:47,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-21 16:48:47,986 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-21 16:48:47,986 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-21 16:48:47,986 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-21 16:48:47,987 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-21 16:48:47,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_net_rtnetlink__double_lock [2022-11-21 16:48:47,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_net_rtnetlink__double_lock [2022-11-21 16:48:47,987 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2022-11-21 16:48:47,987 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2022-11-21 16:48:47,987 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2022-11-21 16:48:47,987 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2022-11-21 16:48:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2022-11-21 16:48:47,988 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2022-11-21 16:48:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-21 16:48:47,988 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-21 16:48:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2022-11-21 16:48:47,988 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2022-11-21 16:48:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-21 16:48:47,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-21 16:48:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-21 16:48:47,989 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-21 16:48:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2022-11-21 16:48:47,989 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2022-11-21 16:48:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-21 16:48:47,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-21 16:48:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2022-11-21 16:48:47,990 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2022-11-21 16:48:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2022-11-21 16:48:47,990 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2022-11-21 16:48:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-21 16:48:47,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-21 16:48:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:48:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-21 16:48:47,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-21 16:48:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-21 16:48:47,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-21 16:48:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2022-11-21 16:48:47,991 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2022-11-21 16:48:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-21 16:48:47,992 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-21 16:48:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-21 16:48:47,992 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-21 16:48:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2022-11-21 16:48:47,992 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2022-11-21 16:48:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2022-11-21 16:48:47,992 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2022-11-21 16:48:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-21 16:48:47,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-21 16:48:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-11-21 16:48:47,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-11-21 16:48:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 16:48:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:48:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-21 16:48:47,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-21 16:48:47,994 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-21 16:48:47,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-21 16:48:47,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 16:48:47,995 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2022-11-21 16:48:47,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2022-11-21 16:48:47,995 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_start [2022-11-21 16:48:47,995 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_start [2022-11-21 16:48:47,995 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2022-11-21 16:48:47,995 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2022-11-21 16:48:47,995 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-21 16:48:47,996 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-21 16:48:47,996 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_resume [2022-11-21 16:48:47,997 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_resume [2022-11-21 16:48:48,000 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2022-11-21 16:48:48,000 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2022-11-21 16:48:48,001 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-11-21 16:48:48,001 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-11-21 16:48:48,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:48:48,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:48:48,001 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-21 16:48:48,001 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-21 16:48:48,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-21 16:48:48,002 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_conf_tx [2022-11-21 16:48:48,005 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_conf_tx [2022-11-21 16:48:48,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_free_hw [2022-11-21 16:48:48,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_free_hw [2022-11-21 16:48:48,005 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2022-11-21 16:48:48,005 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2022-11-21 16:48:48,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-21 16:48:48,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-21 16:48:48,006 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-21 16:48:48,006 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-21 16:48:48,006 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2022-11-21 16:48:48,006 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2022-11-21 16:48:48,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_122 [2022-11-21 16:48:48,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_122 [2022-11-21 16:48:48,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-21 16:48:48,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-21 16:48:48,007 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2022-11-21 16:48:48,007 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2022-11-21 16:48:48,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-21 16:48:48,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-21 16:48:48,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:48:48,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-21 16:48:48,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-21 16:48:48,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 16:48:48,008 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_stop [2022-11-21 16:48:48,008 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_stop [2022-11-21 16:48:48,008 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2022-11-21 16:48:48,008 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2022-11-21 16:48:48,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-21 16:48:48,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-21 16:48:48,009 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2022-11-21 16:48:48,009 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2022-11-21 16:48:48,009 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_rf_readreg [2022-11-21 16:48:48,009 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_rf_readreg [2022-11-21 16:48:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-21 16:48:48,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-21 16:48:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-21 16:48:48,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-21 16:48:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2022-11-21 16:48:48,010 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2022-11-21 16:48:48,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:48:48,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-21 16:48:48,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-21 16:48:48,011 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2022-11-21 16:48:48,011 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2022-11-21 16:48:48,012 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_conf_ac_parm [2022-11-21 16:48:48,012 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_conf_ac_parm [2022-11-21 16:48:48,012 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-21 16:48:48,012 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-21 16:48:48,012 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2022-11-21 16:48:48,012 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2022-11-21 16:48:48,012 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-21 16:48:48,012 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-21 16:48:48,013 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2022-11-21 16:48:48,013 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2022-11-21 16:48:48,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_past_rtnl_unlock [2022-11-21 16:48:48,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_past_rtnl_unlock [2022-11-21 16:48:48,013 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-21 16:48:48,013 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2022-11-21 16:48:48,013 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2022-11-21 16:48:48,014 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-11-21 16:48:48,014 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-11-21 16:48:48,014 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2022-11-21 16:48:48,014 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2022-11-21 16:48:48,014 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-11-21 16:48:48,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-11-21 16:48:48,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-21 16:48:48,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-21 16:48:48,015 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2022-11-21 16:48:48,015 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2022-11-21 16:48:48,015 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2022-11-21 16:48:48,015 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2022-11-21 16:48:48,015 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-21 16:48:48,015 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-21 16:48:48,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-21 16:48:48,016 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-21 16:48:48,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 16:48:48,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 16:48:48,016 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2022-11-21 16:48:48,016 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2022-11-21 16:48:48,017 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2022-11-21 16:48:48,017 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2022-11-21 16:48:48,017 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_rf_writereg [2022-11-21 16:48:48,017 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_rf_writereg [2022-11-21 16:48:48,017 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-11-21 16:48:48,017 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-11-21 16:48:48,017 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_generic_frame_duration [2022-11-21 16:48:48,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_generic_frame_duration [2022-11-21 16:48:48,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-21 16:48:48,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-21 16:48:48,018 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2022-11-21 16:48:48,018 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2022-11-21 16:48:48,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-21 16:48:48,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-21 16:48:48,018 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-21 16:48:48,019 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-21 16:48:48,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_past_rtnl_lock [2022-11-21 16:48:48,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_past_rtnl_lock [2022-11-21 16:48:48,019 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2022-11-21 16:48:48,019 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2022-11-21 16:48:48,019 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2022-11-21 16:48:48,019 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2022-11-21 16:48:48,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-21 16:48:48,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-21 16:48:48,020 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2022-11-21 16:48:48,093 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2022-11-21 16:48:48,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-21 16:48:48,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-21 16:48:48,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-21 16:48:48,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-21 16:48:48,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:48:48,093 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2022-11-21 16:48:48,093 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2022-11-21 16:48:48,093 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2022-11-21 16:48:48,093 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2022-11-21 16:48:48,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-21 16:48:48,094 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2022-11-21 16:48:48,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2022-11-21 16:48:48,094 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-21 16:48:48,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-21 16:48:48,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 16:48:48,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-21 16:48:48,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-21 16:48:48,094 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-21 16:48:48,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-21 16:48:48,094 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2022-11-21 16:48:48,094 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2022-11-21 16:48:48,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-21 16:48:48,094 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-21 16:48:48,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-21 16:48:48,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-21 16:48:48,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-21 16:48:48,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-21 16:48:48,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-21 16:48:48,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-21 16:48:48,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_5 [2022-11-21 16:48:48,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_5 [2022-11-21 16:48:48,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_6 [2022-11-21 16:48:48,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_6 [2022-11-21 16:48:48,095 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-11-21 16:48:48,095 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-11-21 16:48:48,095 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2022-11-21 16:48:48,095 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2022-11-21 16:48:48,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-21 16:48:48,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-21 16:48:48,096 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2022-11-21 16:48:48,096 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2022-11-21 16:48:48,096 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-21 16:48:48,096 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-21 16:48:48,096 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-11-21 16:48:48,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-11-21 16:48:48,096 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2022-11-21 16:48:48,096 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2022-11-21 16:48:48,096 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-21 16:48:48,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-21 16:48:48,096 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-21 16:48:48,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-21 16:48:48,096 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_init [2022-11-21 16:48:48,097 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_init [2022-11-21 16:48:48,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-21 16:48:48,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-21 16:48:48,097 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam2 [2022-11-21 16:48:48,097 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam2 [2022-11-21 16:48:48,097 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2022-11-21 16:48:48,097 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2022-11-21 16:48:48,097 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2022-11-21 16:48:48,097 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2022-11-21 16:48:48,097 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_conf_basic_rates [2022-11-21 16:48:48,097 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_conf_basic_rates [2022-11-21 16:48:48,097 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2022-11-21 16:48:48,097 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2022-11-21 16:48:48,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-21 16:48:48,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-21 16:48:48,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-21 16:48:48,098 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2022-11-21 16:48:48,098 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2022-11-21 16:48:48,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-21 16:48:48,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-21 16:48:48,098 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-21 16:48:48,098 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-21 16:48:48,098 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2022-11-21 16:48:48,098 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2022-11-21 16:48:48,098 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2022-11-21 16:48:48,098 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2022-11-21 16:48:48,098 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-21 16:48:48,098 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-21 16:48:48,099 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_set_channel [2022-11-21 16:48:48,099 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_set_channel [2022-11-21 16:48:48,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_rtl8180_priv [2022-11-21 16:48:48,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_rtl8180_priv [2022-11-21 16:48:48,099 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_int_disable [2022-11-21 16:48:48,099 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_int_disable [2022-11-21 16:48:48,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_rtl8180_priv [2022-11-21 16:48:48,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_rtl8180_priv [2022-11-21 16:48:48,099 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2022-11-21 16:48:48,099 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2022-11-21 16:48:48,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 16:48:48,099 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-21 16:48:48,099 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-21 16:48:48,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-21 16:48:48,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-21 16:48:48,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-21 16:48:48,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-21 16:48:48,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-21 16:48:48,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-21 16:48:48,100 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2022-11-21 16:48:48,100 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2022-11-21 16:48:48,100 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-21 16:48:48,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-21 16:48:48,100 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-21 16:48:48,100 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-21 16:48:48,100 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2022-11-21 16:48:48,100 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2022-11-21 16:48:48,100 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_rx [2022-11-21 16:48:48,100 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_rx [2022-11-21 16:48:48,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-21 16:48:48,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-21 16:48:48,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-21 16:48:48,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-21 16:48:48,104 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2022-11-21 16:48:48,104 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2022-11-21 16:48:48,104 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-11-21 16:48:48,104 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-11-21 16:48:48,104 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2022-11-21 16:48:48,105 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2022-11-21 16:48:48,105 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-21 16:48:48,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-21 16:48:48,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-21 16:48:48,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-21 16:48:48,105 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-11-21 16:48:48,105 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-11-21 16:48:48,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-21 16:48:48,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-21 16:48:48,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-21 16:48:48,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-21 16:48:48,106 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-21 16:48:48,106 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-21 16:48:48,106 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2022-11-21 16:48:48,106 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2022-11-21 16:48:48,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:48:48,107 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2022-11-21 16:48:48,107 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2022-11-21 16:48:48,107 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_three_wire_io [2022-11-21 16:48:48,107 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_three_wire_io [2022-11-21 16:48:48,107 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2022-11-21 16:48:48,107 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2022-11-21 16:48:49,398 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:48:49,402 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:48:49,966 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-21 16:49:01,620 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:49:01,654 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:49:01,654 INFO L300 CfgBuilder]: Removed 78 assume(true) statements. [2022-11-21 16:49:01,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:49:01 BoogieIcfgContainer [2022-11-21 16:49:01,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:49:01,664 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:49:01,664 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:49:01,667 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:49:01,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:48:39" (1/3) ... [2022-11-21 16:49:01,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78493a66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:49:01, skipping insertion in model container [2022-11-21 16:49:01,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:48:46" (2/3) ... [2022-11-21 16:49:01,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78493a66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:49:01, skipping insertion in model container [2022-11-21 16:49:01,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:49:01" (3/3) ... [2022-11-21 16:49:01,673 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i [2022-11-21 16:49:01,715 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:49:01,716 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2022-11-21 16:49:01,914 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:49:01,924 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;@481cb0f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:49:01,926 INFO L358 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2022-11-21 16:49:01,953 INFO L276 IsEmpty]: Start isEmpty. Operand has 4077 states, 2288 states have (on average 1.2508741258741258) internal successors, (2862), 2488 states have internal predecessors, (2862), 1683 states have call successors, (1683), 155 states have call predecessors, (1683), 154 states have return successors, (1673), 1629 states have call predecessors, (1673), 1673 states have call successors, (1673) [2022-11-21 16:49:01,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-21 16:49:01,973 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:49:01,974 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:49:01,976 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-21 16:49:01,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:49:01,983 INFO L85 PathProgramCache]: Analyzing trace with hash 336048014, now seen corresponding path program 1 times [2022-11-21 16:49:01,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:49:01,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871593388] [2022-11-21 16:49:01,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:49:01,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:49:02,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:03,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:49:03,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:03,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 16:49:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:03,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 16:49:04,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:04,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:49:04,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:04,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 16:49:04,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:04,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:49:04,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:04,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:49:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:04,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-21 16:49:04,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:04,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-21 16:49:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:04,188 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-21 16:49:04,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:49:04,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871593388] [2022-11-21 16:49:04,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871593388] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:49:04,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:49:04,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:49:04,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809140423] [2022-11-21 16:49:04,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:49:04,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:49:04,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:49:04,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:49:04,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:49:04,253 INFO L87 Difference]: Start difference. First operand has 4077 states, 2288 states have (on average 1.2508741258741258) internal successors, (2862), 2488 states have internal predecessors, (2862), 1683 states have call successors, (1683), 155 states have call predecessors, (1683), 154 states have return successors, (1673), 1629 states have call predecessors, (1673), 1673 states have call successors, (1673) 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, (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) [2022-11-21 16:49:10,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:49:14,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:49:16,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:49:25,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:49:25,904 INFO L93 Difference]: Finished difference Result 7887 states and 12139 transitions. [2022-11-21 16:49:25,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:49:25,908 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, (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 64 [2022-11-21 16:49:25,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:49:25,964 INFO L225 Difference]: With dead ends: 7887 [2022-11-21 16:49:25,964 INFO L226 Difference]: Without dead ends: 3819 [2022-11-21 16:49:26,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:49:26,003 INFO L413 NwaCegarLoop]: 1358 mSDtfsCounter, 6346 mSDsluCounter, 2530 mSDsCounter, 0 mSdLazyCounter, 9626 mSolverCounterSat, 8373 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6642 SdHoareTripleChecker+Valid, 3888 SdHoareTripleChecker+Invalid, 17999 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8373 IncrementalHoareTripleChecker+Valid, 9626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2022-11-21 16:49:26,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6642 Valid, 3888 Invalid, 17999 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8373 Valid, 9626 Invalid, 0 Unknown, 0 Unchecked, 20.5s Time] [2022-11-21 16:49:26,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3819 states. [2022-11-21 16:49:26,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3819 to 3819. [2022-11-21 16:49:26,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3819 states, 2043 states have (on average 1.2217327459618208) internal successors, (2496), 2164 states have internal predecessors, (2496), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2022-11-21 16:49:26,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3819 states to 3819 states and 5684 transitions. [2022-11-21 16:49:26,629 INFO L78 Accepts]: Start accepts. Automaton has 3819 states and 5684 transitions. Word has length 64 [2022-11-21 16:49:26,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:49:26,633 INFO L495 AbstractCegarLoop]: Abstraction has 3819 states and 5684 transitions. [2022-11-21 16:49:26,633 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, (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) [2022-11-21 16:49:26,633 INFO L276 IsEmpty]: Start isEmpty. Operand 3819 states and 5684 transitions. [2022-11-21 16:49:26,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-21 16:49:26,645 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:49:26,645 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:49:26,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:49:26,646 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-21 16:49:26,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:49:26,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1193261411, now seen corresponding path program 1 times [2022-11-21 16:49:26,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:49:26,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275352107] [2022-11-21 16:49:26,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:49:26,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:49:26,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:27,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:49:27,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:27,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 16:49:27,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:27,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 16:49:27,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:27,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:49:27,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:27,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 16:49:27,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:27,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:49:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:27,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:49:27,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:27,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-21 16:49:27,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:27,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-21 16:49:27,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:27,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-21 16:49:27,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:27,760 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-21 16:49:27,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:49:27,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275352107] [2022-11-21 16:49:27,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275352107] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:49:27,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:49:27,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:49:27,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796566568] [2022-11-21 16:49:27,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:49:27,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:49:27,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:49:27,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:49:27,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:49:27,766 INFO L87 Difference]: Start difference. First operand 3819 states and 5684 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, (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) [2022-11-21 16:49:33,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:49:37,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:49:46,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:49:46,852 INFO L93 Difference]: Finished difference Result 3819 states and 5684 transitions. [2022-11-21 16:49:46,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:49:46,853 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, (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 70 [2022-11-21 16:49:46,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:49:46,880 INFO L225 Difference]: With dead ends: 3819 [2022-11-21 16:49:46,880 INFO L226 Difference]: Without dead ends: 3817 [2022-11-21 16:49:46,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:49:46,884 INFO L413 NwaCegarLoop]: 1338 mSDtfsCounter, 6301 mSDsluCounter, 2494 mSDsCounter, 0 mSdLazyCounter, 9600 mSolverCounterSat, 8352 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6594 SdHoareTripleChecker+Valid, 3832 SdHoareTripleChecker+Invalid, 17952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8352 IncrementalHoareTripleChecker+Valid, 9600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2022-11-21 16:49:46,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6594 Valid, 3832 Invalid, 17952 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8352 Valid, 9600 Invalid, 0 Unknown, 0 Unchecked, 18.3s Time] [2022-11-21 16:49:46,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3817 states. [2022-11-21 16:49:47,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3817 to 3817. [2022-11-21 16:49:47,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3817 states, 2042 states have (on average 1.2213516160626836) internal successors, (2494), 2162 states have internal predecessors, (2494), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2022-11-21 16:49:47,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3817 states to 3817 states and 5682 transitions. [2022-11-21 16:49:47,243 INFO L78 Accepts]: Start accepts. Automaton has 3817 states and 5682 transitions. Word has length 70 [2022-11-21 16:49:47,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:49:47,246 INFO L495 AbstractCegarLoop]: Abstraction has 3817 states and 5682 transitions. [2022-11-21 16:49:47,247 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, (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) [2022-11-21 16:49:47,247 INFO L276 IsEmpty]: Start isEmpty. Operand 3817 states and 5682 transitions. [2022-11-21 16:49:47,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-21 16:49:47,250 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:49:47,251 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:49:47,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:49:47,251 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-21 16:49:47,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:49:47,252 INFO L85 PathProgramCache]: Analyzing trace with hash -2120343978, now seen corresponding path program 1 times [2022-11-21 16:49:47,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:49:47,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119333629] [2022-11-21 16:49:47,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:49:47,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:49:47,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:48,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:49:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:48,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 16:49:48,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:48,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 16:49:48,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:48,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:49:48,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:48,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 16:49:48,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:48,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:49:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:48,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:49:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:48,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-21 16:49:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:48,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-21 16:49:48,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:48,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-21 16:49:48,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:48,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 16:49:48,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:48,333 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-21 16:49:48,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:49:48,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119333629] [2022-11-21 16:49:48,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119333629] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:49:48,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:49:48,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:49:48,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747999545] [2022-11-21 16:49:48,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:49:48,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:49:48,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:49:48,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:49:48,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:49:48,338 INFO L87 Difference]: Start difference. First operand 3817 states and 5682 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, (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) [2022-11-21 16:49:56,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:49:58,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:50:06,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:50:06,953 INFO L93 Difference]: Finished difference Result 3817 states and 5682 transitions. [2022-11-21 16:50:06,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:50:06,954 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, (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 76 [2022-11-21 16:50:06,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:50:06,979 INFO L225 Difference]: With dead ends: 3817 [2022-11-21 16:50:06,979 INFO L226 Difference]: Without dead ends: 3815 [2022-11-21 16:50:06,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:50:06,984 INFO L413 NwaCegarLoop]: 1338 mSDtfsCounter, 6295 mSDsluCounter, 2494 mSDsCounter, 0 mSdLazyCounter, 9596 mSolverCounterSat, 8352 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6587 SdHoareTripleChecker+Valid, 3832 SdHoareTripleChecker+Invalid, 17948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8352 IncrementalHoareTripleChecker+Valid, 9596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:50:06,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6587 Valid, 3832 Invalid, 17948 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8352 Valid, 9596 Invalid, 0 Unknown, 0 Unchecked, 18.0s Time] [2022-11-21 16:50:06,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3815 states. [2022-11-21 16:50:07,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3815 to 3815. [2022-11-21 16:50:07,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3815 states, 2041 states have (on average 1.220970112689858) internal successors, (2492), 2160 states have internal predecessors, (2492), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2022-11-21 16:50:07,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3815 states to 3815 states and 5680 transitions. [2022-11-21 16:50:07,401 INFO L78 Accepts]: Start accepts. Automaton has 3815 states and 5680 transitions. Word has length 76 [2022-11-21 16:50:07,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:50:07,401 INFO L495 AbstractCegarLoop]: Abstraction has 3815 states and 5680 transitions. [2022-11-21 16:50:07,401 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, (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) [2022-11-21 16:50:07,402 INFO L276 IsEmpty]: Start isEmpty. Operand 3815 states and 5680 transitions. [2022-11-21 16:50:07,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-21 16:50:07,404 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:50:07,404 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:50:07,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:50:07,405 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-21 16:50:07,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:50:07,406 INFO L85 PathProgramCache]: Analyzing trace with hash 266167589, now seen corresponding path program 1 times [2022-11-21 16:50:07,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:50:07,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762542672] [2022-11-21 16:50:07,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:50:07,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:50:07,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:08,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:50:08,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:08,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 16:50:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:08,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 16:50:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:08,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:50:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:08,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 16:50:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:08,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:50:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:08,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:50:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:08,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-21 16:50:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:08,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-21 16:50:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:08,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-21 16:50:08,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:08,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 16:50:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:08,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-21 16:50:08,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:08,384 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-21 16:50:08,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:50:08,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762542672] [2022-11-21 16:50:08,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762542672] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:50:08,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:50:08,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:50:08,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577229977] [2022-11-21 16:50:08,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:50:08,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:50:08,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:50:08,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:50:08,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:50:08,388 INFO L87 Difference]: Start difference. First operand 3815 states and 5680 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, (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) [2022-11-21 16:50:13,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:50:18,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:50:27,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:50:27,173 INFO L93 Difference]: Finished difference Result 3815 states and 5680 transitions. [2022-11-21 16:50:27,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:50:27,175 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, (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 82 [2022-11-21 16:50:27,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:50:27,198 INFO L225 Difference]: With dead ends: 3815 [2022-11-21 16:50:27,199 INFO L226 Difference]: Without dead ends: 3813 [2022-11-21 16:50:27,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:50:27,202 INFO L413 NwaCegarLoop]: 1338 mSDtfsCounter, 6289 mSDsluCounter, 2494 mSDsCounter, 0 mSdLazyCounter, 9592 mSolverCounterSat, 8352 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6580 SdHoareTripleChecker+Valid, 3832 SdHoareTripleChecker+Invalid, 17944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8352 IncrementalHoareTripleChecker+Valid, 9592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:50:27,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6580 Valid, 3832 Invalid, 17944 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8352 Valid, 9592 Invalid, 0 Unknown, 0 Unchecked, 18.1s Time] [2022-11-21 16:50:27,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3813 states. [2022-11-21 16:50:27,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3813 to 3813. [2022-11-21 16:50:27,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3813 states, 2040 states have (on average 1.2205882352941178) internal successors, (2490), 2158 states have internal predecessors, (2490), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2022-11-21 16:50:27,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3813 states to 3813 states and 5678 transitions. [2022-11-21 16:50:27,577 INFO L78 Accepts]: Start accepts. Automaton has 3813 states and 5678 transitions. Word has length 82 [2022-11-21 16:50:27,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:50:27,578 INFO L495 AbstractCegarLoop]: Abstraction has 3813 states and 5678 transitions. [2022-11-21 16:50:27,578 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, (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) [2022-11-21 16:50:27,578 INFO L276 IsEmpty]: Start isEmpty. Operand 3813 states and 5678 transitions. [2022-11-21 16:50:27,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-21 16:50:27,580 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:50:27,580 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:50:27,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 16:50:27,581 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-21 16:50:27,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:50:27,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1996736985, now seen corresponding path program 1 times [2022-11-21 16:50:27,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:50:27,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055182951] [2022-11-21 16:50:27,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:50:27,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:50:27,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:28,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:50:28,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:28,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 16:50:28,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:28,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 16:50:28,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:28,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:50:28,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:28,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 16:50:28,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:28,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:50:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:28,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:50:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:28,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-21 16:50:28,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:28,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-21 16:50:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:28,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-21 16:50:28,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:28,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 16:50:28,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:28,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-21 16:50:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:28,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 16:50:28,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:28,691 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-21 16:50:28,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:50:28,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055182951] [2022-11-21 16:50:28,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055182951] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:50:28,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:50:28,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:50:28,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108023896] [2022-11-21 16:50:28,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:50:28,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:50:28,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:50:28,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:50:28,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:50:28,694 INFO L87 Difference]: Start difference. First operand 3813 states and 5678 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, (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) [2022-11-21 16:50:37,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:50:38,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:50:47,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:50:47,060 INFO L93 Difference]: Finished difference Result 3813 states and 5678 transitions. [2022-11-21 16:50:47,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:50:47,061 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, (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 88 [2022-11-21 16:50:47,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:50:47,087 INFO L225 Difference]: With dead ends: 3813 [2022-11-21 16:50:47,087 INFO L226 Difference]: Without dead ends: 3811 [2022-11-21 16:50:47,090 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:50:47,091 INFO L413 NwaCegarLoop]: 1338 mSDtfsCounter, 6283 mSDsluCounter, 2494 mSDsCounter, 0 mSdLazyCounter, 9588 mSolverCounterSat, 8352 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6573 SdHoareTripleChecker+Valid, 3832 SdHoareTripleChecker+Invalid, 17940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8352 IncrementalHoareTripleChecker+Valid, 9588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2022-11-21 16:50:47,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6573 Valid, 3832 Invalid, 17940 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8352 Valid, 9588 Invalid, 0 Unknown, 0 Unchecked, 17.7s Time] [2022-11-21 16:50:47,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3811 states. [2022-11-21 16:50:47,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3811 to 3811. [2022-11-21 16:50:47,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3811 states, 2039 states have (on average 1.2202059833251593) internal successors, (2488), 2156 states have internal predecessors, (2488), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2022-11-21 16:50:47,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3811 states to 3811 states and 5676 transitions. [2022-11-21 16:50:47,543 INFO L78 Accepts]: Start accepts. Automaton has 3811 states and 5676 transitions. Word has length 88 [2022-11-21 16:50:47,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:50:47,544 INFO L495 AbstractCegarLoop]: Abstraction has 3811 states and 5676 transitions. [2022-11-21 16:50:47,544 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, (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) [2022-11-21 16:50:47,545 INFO L276 IsEmpty]: Start isEmpty. Operand 3811 states and 5676 transitions. [2022-11-21 16:50:47,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-21 16:50:47,552 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:50:47,552 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:50:47,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 16:50:47,553 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-21 16:50:47,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:50:47,553 INFO L85 PathProgramCache]: Analyzing trace with hash -437384554, now seen corresponding path program 1 times [2022-11-21 16:50:47,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:50:47,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140202439] [2022-11-21 16:50:47,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:50:47,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:50:47,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:48,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:50:48,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:48,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 16:50:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:48,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 16:50:48,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:48,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:50:48,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:48,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 16:50:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:48,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:50:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:48,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:50:48,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:48,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-21 16:50:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:48,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-21 16:50:48,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:48,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-21 16:50:48,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:48,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 16:50:48,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:48,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-21 16:50:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:48,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 16:50:48,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:48,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-21 16:50:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:50:48,576 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-21 16:50:48,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:50:48,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140202439] [2022-11-21 16:50:48,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140202439] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:50:48,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:50:48,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:50:48,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584305971] [2022-11-21 16:50:48,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:50:48,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:50:48,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:50:48,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:50:48,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:50:48,579 INFO L87 Difference]: Start difference. First operand 3811 states and 5676 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, (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) [2022-11-21 16:50:54,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:50:57,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:50:59,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:51:08,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:51:08,629 INFO L93 Difference]: Finished difference Result 3842 states and 5709 transitions. [2022-11-21 16:51:08,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-21 16:51:08,629 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, (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 94 [2022-11-21 16:51:08,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:51:08,654 INFO L225 Difference]: With dead ends: 3842 [2022-11-21 16:51:08,654 INFO L226 Difference]: Without dead ends: 3840 [2022-11-21 16:51:08,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-21 16:51:08,658 INFO L413 NwaCegarLoop]: 1339 mSDtfsCounter, 6278 mSDsluCounter, 2496 mSDsCounter, 0 mSdLazyCounter, 9662 mSolverCounterSat, 8355 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6572 SdHoareTripleChecker+Valid, 3835 SdHoareTripleChecker+Invalid, 18018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8355 IncrementalHoareTripleChecker+Valid, 9662 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time [2022-11-21 16:51:08,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6572 Valid, 3835 Invalid, 18018 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8355 Valid, 9662 Invalid, 1 Unknown, 0 Unchecked, 19.3s Time] [2022-11-21 16:51:08,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3840 states. [2022-11-21 16:51:09,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3840 to 3836. [2022-11-21 16:51:09,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3836 states, 2056 states have (on average 1.218385214007782) internal successors, (2505), 2172 states have internal predecessors, (2505), 1598 states have call successors, (1598), 160 states have call predecessors, (1598), 159 states have return successors, (1596), 1552 states have call predecessors, (1596), 1596 states have call successors, (1596) [2022-11-21 16:51:09,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3836 states to 3836 states and 5699 transitions. [2022-11-21 16:51:09,202 INFO L78 Accepts]: Start accepts. Automaton has 3836 states and 5699 transitions. Word has length 94 [2022-11-21 16:51:09,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:51:09,203 INFO L495 AbstractCegarLoop]: Abstraction has 3836 states and 5699 transitions. [2022-11-21 16:51:09,203 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, (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) [2022-11-21 16:51:09,203 INFO L276 IsEmpty]: Start isEmpty. Operand 3836 states and 5699 transitions. [2022-11-21 16:51:09,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-11-21 16:51:09,205 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:51:09,205 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:51:09,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 16:51:09,206 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-21 16:51:09,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:51:09,206 INFO L85 PathProgramCache]: Analyzing trace with hash -423636704, now seen corresponding path program 1 times [2022-11-21 16:51:09,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:51:09,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796295391] [2022-11-21 16:51:09,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:51:09,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:51:09,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:09,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:51:09,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:09,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 16:51:09,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:09,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 16:51:09,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:09,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-21 16:51:09,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:09,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:51:09,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:09,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:51:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:09,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:51:09,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:09,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 16:51:09,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:09,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:51:09,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:09,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:51:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:09,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:51:09,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:09,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-21 16:51:09,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:09,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:51:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:09,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:51:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:09,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:51:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:09,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-21 16:51:09,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:09,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-21 16:51:09,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:10,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:51:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:10,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-21 16:51:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:10,050 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-11-21 16:51:10,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:51:10,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796295391] [2022-11-21 16:51:10,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796295391] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:51:10,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:51:10,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:51:10,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141359441] [2022-11-21 16:51:10,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:51:10,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:51:10,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:51:10,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:51:10,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:51:10,053 INFO L87 Difference]: Start difference. First operand 3836 states and 5699 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-21 16:51:16,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:51:21,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:51:32,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:51:32,154 INFO L93 Difference]: Finished difference Result 8144 states and 12138 transitions. [2022-11-21 16:51:32,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:51:32,155 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 117 [2022-11-21 16:51:32,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:51:32,179 INFO L225 Difference]: With dead ends: 8144 [2022-11-21 16:51:32,180 INFO L226 Difference]: Without dead ends: 4329 [2022-11-21 16:51:32,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:51:32,208 INFO L413 NwaCegarLoop]: 1030 mSDtfsCounter, 8753 mSDsluCounter, 2159 mSDsCounter, 0 mSdLazyCounter, 6857 mSolverCounterSat, 12268 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9070 SdHoareTripleChecker+Valid, 3189 SdHoareTripleChecker+Invalid, 19125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12268 IncrementalHoareTripleChecker+Valid, 6857 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:51:32,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9070 Valid, 3189 Invalid, 19125 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12268 Valid, 6857 Invalid, 0 Unknown, 0 Unchecked, 21.1s Time] [2022-11-21 16:51:32,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4329 states. [2022-11-21 16:51:32,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4329 to 3832. [2022-11-21 16:51:32,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3832 states, 2053 states have (on average 1.2177301509985388) internal successors, (2500), 2168 states have internal predecessors, (2500), 1598 states have call successors, (1598), 160 states have call predecessors, (1598), 159 states have return successors, (1596), 1552 states have call predecessors, (1596), 1596 states have call successors, (1596) [2022-11-21 16:51:32,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3832 states to 3832 states and 5694 transitions. [2022-11-21 16:51:32,823 INFO L78 Accepts]: Start accepts. Automaton has 3832 states and 5694 transitions. Word has length 117 [2022-11-21 16:51:32,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:51:32,823 INFO L495 AbstractCegarLoop]: Abstraction has 3832 states and 5694 transitions. [2022-11-21 16:51:32,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-21 16:51:32,824 INFO L276 IsEmpty]: Start isEmpty. Operand 3832 states and 5694 transitions. [2022-11-21 16:51:32,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-21 16:51:32,827 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:51:32,828 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:51:32,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 16:51:32,829 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-21 16:51:32,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:51:32,829 INFO L85 PathProgramCache]: Analyzing trace with hash -559600899, now seen corresponding path program 1 times [2022-11-21 16:51:32,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:51:32,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633294351] [2022-11-21 16:51:32,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:51:32,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:51:32,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:33,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:51:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:33,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 16:51:33,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:33,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 16:51:33,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:33,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:51:33,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:33,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 16:51:33,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:33,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:51:33,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:33,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:51:33,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:33,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-21 16:51:33,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:33,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-21 16:51:33,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:33,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-21 16:51:33,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:33,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 16:51:33,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:33,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-21 16:51:33,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:33,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 16:51:33,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:33,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-21 16:51:33,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:33,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 16:51:33,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:33,838 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-21 16:51:33,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:51:33,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633294351] [2022-11-21 16:51:33,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633294351] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:51:33,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:51:33,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:51:33,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91046820] [2022-11-21 16:51:33,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:51:33,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:51:33,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:51:33,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:51:33,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:51:33,841 INFO L87 Difference]: Start difference. First operand 3832 states and 5694 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, (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) [2022-11-21 16:51:38,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:51:42,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:51:44,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:51:53,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:51:53,599 INFO L93 Difference]: Finished difference Result 3832 states and 5694 transitions. [2022-11-21 16:51:53,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:51:53,600 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, (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 100 [2022-11-21 16:51:53,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:51:53,621 INFO L225 Difference]: With dead ends: 3832 [2022-11-21 16:51:53,621 INFO L226 Difference]: Without dead ends: 3830 [2022-11-21 16:51:53,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:51:53,626 INFO L413 NwaCegarLoop]: 1333 mSDtfsCounter, 6266 mSDsluCounter, 2480 mSDsCounter, 0 mSdLazyCounter, 9579 mSolverCounterSat, 8352 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6554 SdHoareTripleChecker+Valid, 3813 SdHoareTripleChecker+Invalid, 17931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8352 IncrementalHoareTripleChecker+Valid, 9579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.9s IncrementalHoareTripleChecker+Time [2022-11-21 16:51:53,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6554 Valid, 3813 Invalid, 17931 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8352 Valid, 9579 Invalid, 0 Unknown, 0 Unchecked, 18.9s Time] [2022-11-21 16:51:53,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3830 states. [2022-11-21 16:51:54,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3830 to 3830. [2022-11-21 16:51:54,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3830 states, 2052 states have (on average 1.2173489278752436) internal successors, (2498), 2166 states have internal predecessors, (2498), 1598 states have call successors, (1598), 160 states have call predecessors, (1598), 159 states have return successors, (1596), 1552 states have call predecessors, (1596), 1596 states have call successors, (1596) [2022-11-21 16:51:54,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3830 states to 3830 states and 5692 transitions. [2022-11-21 16:51:54,222 INFO L78 Accepts]: Start accepts. Automaton has 3830 states and 5692 transitions. Word has length 100 [2022-11-21 16:51:54,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:51:54,222 INFO L495 AbstractCegarLoop]: Abstraction has 3830 states and 5692 transitions. [2022-11-21 16:51:54,222 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, (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) [2022-11-21 16:51:54,223 INFO L276 IsEmpty]: Start isEmpty. Operand 3830 states and 5692 transitions. [2022-11-21 16:51:54,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-21 16:51:54,224 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:51:54,225 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:51:54,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 16:51:54,225 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-21 16:51:54,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:51:54,225 INFO L85 PathProgramCache]: Analyzing trace with hash 96158927, now seen corresponding path program 1 times [2022-11-21 16:51:54,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:51:54,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591495699] [2022-11-21 16:51:54,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:51:54,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:51:54,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:54,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:51:54,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:54,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 16:51:54,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:54,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 16:51:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:54,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-21 16:51:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:54,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:51:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:54,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:51:54,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:54,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:51:54,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:54,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 16:51:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:54,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:51:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:54,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:51:54,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:54,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:51:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:54,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-21 16:51:54,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:54,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:51:54,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:54,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:51:54,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:55,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:51:55,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:55,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-21 16:51:55,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:55,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-21 16:51:55,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:55,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:51:55,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:55,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-21 16:51:55,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:55,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-21 16:51:55,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:55,140 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2022-11-21 16:51:55,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:51:55,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591495699] [2022-11-21 16:51:55,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591495699] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:51:55,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1176707876] [2022-11-21 16:51:55,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:51:55,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:51:55,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:51:55,149 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:51:55,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-21 16:51:56,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:56,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 4695 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 16:51:56,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:51:57,064 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-11-21 16:51:57,064 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:51:57,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1176707876] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:51:57,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 16:51:57,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-11-21 16:51:57,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424251294] [2022-11-21 16:51:57,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:51:57,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:51:57,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:51:57,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:51:57,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:51:57,066 INFO L87 Difference]: Start difference. First operand 3830 states and 5692 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-21 16:51:57,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:51:57,408 INFO L93 Difference]: Finished difference Result 7635 states and 11349 transitions. [2022-11-21 16:51:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:51:57,408 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 123 [2022-11-21 16:51:57,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:51:57,431 INFO L225 Difference]: With dead ends: 7635 [2022-11-21 16:51:57,432 INFO L226 Difference]: Without dead ends: 3826 [2022-11-21 16:51:57,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:51:57,458 INFO L413 NwaCegarLoop]: 5661 mSDtfsCounter, 5638 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5638 SdHoareTripleChecker+Valid, 5661 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:51:57,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5638 Valid, 5661 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:51:57,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3826 states. [2022-11-21 16:51:58,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3826 to 3826. [2022-11-21 16:51:58,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3826 states, 2049 states have (on average 1.2166910688140555) internal successors, (2493), 2162 states have internal predecessors, (2493), 1598 states have call successors, (1598), 160 states have call predecessors, (1598), 159 states have return successors, (1596), 1552 states have call predecessors, (1596), 1596 states have call successors, (1596) [2022-11-21 16:51:58,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3826 states to 3826 states and 5687 transitions. [2022-11-21 16:51:58,037 INFO L78 Accepts]: Start accepts. Automaton has 3826 states and 5687 transitions. Word has length 123 [2022-11-21 16:51:58,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:51:58,037 INFO L495 AbstractCegarLoop]: Abstraction has 3826 states and 5687 transitions. [2022-11-21 16:51:58,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-21 16:51:58,038 INFO L276 IsEmpty]: Start isEmpty. Operand 3826 states and 5687 transitions. [2022-11-21 16:51:58,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-21 16:51:58,041 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:51:58,041 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:51:58,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-21 16:51:58,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-21 16:51:58,259 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-21 16:51:58,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:51:58,259 INFO L85 PathProgramCache]: Analyzing trace with hash 879261448, now seen corresponding path program 1 times [2022-11-21 16:51:58,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:51:58,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184447457] [2022-11-21 16:51:58,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:51:58,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:51:58,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:58,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:51:58,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:58,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 16:51:59,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:59,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 16:51:59,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:59,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:51:59,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:59,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 16:51:59,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:59,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:51:59,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:59,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:51:59,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:59,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-21 16:51:59,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:59,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-21 16:51:59,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:59,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-21 16:51:59,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:59,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 16:51:59,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:59,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-21 16:51:59,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:59,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 16:51:59,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:59,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-21 16:51:59,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:59,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 16:51:59,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:59,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:51:59,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:51:59,219 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-21 16:51:59,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:51:59,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184447457] [2022-11-21 16:51:59,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184447457] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:51:59,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:51:59,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:51:59,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725134911] [2022-11-21 16:51:59,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:51:59,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:51:59,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:51:59,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:51:59,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:51:59,223 INFO L87 Difference]: Start difference. First operand 3826 states and 5687 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 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) [2022-11-21 16:52:18,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:52:18,404 INFO L93 Difference]: Finished difference Result 3826 states and 5687 transitions. [2022-11-21 16:52:18,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:52:18,409 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 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 106 [2022-11-21 16:52:18,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:52:18,430 INFO L225 Difference]: With dead ends: 3826 [2022-11-21 16:52:18,431 INFO L226 Difference]: Without dead ends: 3824 [2022-11-21 16:52:18,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:52:18,435 INFO L413 NwaCegarLoop]: 1328 mSDtfsCounter, 6259 mSDsluCounter, 2466 mSDsCounter, 0 mSdLazyCounter, 9570 mSolverCounterSat, 8352 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6546 SdHoareTripleChecker+Valid, 3794 SdHoareTripleChecker+Invalid, 17922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8352 IncrementalHoareTripleChecker+Valid, 9570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2022-11-21 16:52:18,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6546 Valid, 3794 Invalid, 17922 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8352 Valid, 9570 Invalid, 0 Unknown, 0 Unchecked, 18.3s Time] [2022-11-21 16:52:18,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3824 states. [2022-11-21 16:52:18,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3824 to 3824. [2022-11-21 16:52:18,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3824 states, 2048 states have (on average 1.21630859375) internal successors, (2491), 2160 states have internal predecessors, (2491), 1598 states have call successors, (1598), 160 states have call predecessors, (1598), 159 states have return successors, (1596), 1552 states have call predecessors, (1596), 1596 states have call successors, (1596) [2022-11-21 16:52:18,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3824 states to 3824 states and 5685 transitions. [2022-11-21 16:52:18,897 INFO L78 Accepts]: Start accepts. Automaton has 3824 states and 5685 transitions. Word has length 106 [2022-11-21 16:52:18,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:52:18,898 INFO L495 AbstractCegarLoop]: Abstraction has 3824 states and 5685 transitions. [2022-11-21 16:52:18,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 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) [2022-11-21 16:52:18,898 INFO L276 IsEmpty]: Start isEmpty. Operand 3824 states and 5685 transitions. [2022-11-21 16:52:18,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-21 16:52:18,900 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:52:18,901 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:52:18,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-21 16:52:18,901 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-21 16:52:18,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:52:18,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1138140213, now seen corresponding path program 1 times [2022-11-21 16:52:18,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:52:18,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986110311] [2022-11-21 16:52:18,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:52:18,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:52:19,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:52:19,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:52:19,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:52:19,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 16:52:19,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:52:19,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 16:52:19,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:52:19,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:52:19,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:52:19,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 16:52:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:52:19,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:52:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:52:19,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:52:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:52:19,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-21 16:52:19,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:52:19,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-21 16:52:19,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:52:19,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-21 16:52:19,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:52:19,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 16:52:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:52:19,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-21 16:52:19,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:52:19,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 16:52:19,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:52:19,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-21 16:52:19,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:52:19,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 16:52:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:52:19,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:52:19,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:52:19,846 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-21 16:52:19,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:52:19,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986110311] [2022-11-21 16:52:19,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986110311] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:52:19,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:52:19,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:52:19,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858861165] [2022-11-21 16:52:19,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:52:19,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:52:19,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:52:19,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:52:19,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:52:19,849 INFO L87 Difference]: Start difference. First operand 3824 states and 5685 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, (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) [2022-11-21 16:52:28,073 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 [] [2022-11-21 16:52:38,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:52:38,174 INFO L93 Difference]: Finished difference Result 3824 states and 5685 transitions. [2022-11-21 16:52:38,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:52:38,177 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, (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 108 [2022-11-21 16:52:38,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:52:38,196 INFO L225 Difference]: With dead ends: 3824 [2022-11-21 16:52:38,196 INFO L226 Difference]: Without dead ends: 3822 [2022-11-21 16:52:38,198 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:52:38,199 INFO L413 NwaCegarLoop]: 1328 mSDtfsCounter, 6247 mSDsluCounter, 2466 mSDsCounter, 0 mSdLazyCounter, 9570 mSolverCounterSat, 8352 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6534 SdHoareTripleChecker+Valid, 3794 SdHoareTripleChecker+Invalid, 17922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8352 IncrementalHoareTripleChecker+Valid, 9570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2022-11-21 16:52:38,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6534 Valid, 3794 Invalid, 17922 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8352 Valid, 9570 Invalid, 0 Unknown, 0 Unchecked, 17.4s Time] [2022-11-21 16:52:38,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3822 states. [2022-11-21 16:52:38,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3822 to 3822. [2022-11-21 16:52:38,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3822 states, 2047 states have (on average 1.2159257449926721) internal successors, (2489), 2158 states have internal predecessors, (2489), 1598 states have call successors, (1598), 160 states have call predecessors, (1598), 159 states have return successors, (1596), 1552 states have call predecessors, (1596), 1596 states have call successors, (1596) [2022-11-21 16:52:38,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3822 states to 3822 states and 5683 transitions. [2022-11-21 16:52:38,684 INFO L78 Accepts]: Start accepts. Automaton has 3822 states and 5683 transitions. Word has length 108 [2022-11-21 16:52:38,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:52:38,685 INFO L495 AbstractCegarLoop]: Abstraction has 3822 states and 5683 transitions. [2022-11-21 16:52:38,685 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, (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) [2022-11-21 16:52:38,685 INFO L276 IsEmpty]: Start isEmpty. Operand 3822 states and 5683 transitions. [2022-11-21 16:52:38,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-21 16:52:38,687 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:52:38,687 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:52:38,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-21 16:52:38,688 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-21 16:52:38,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:52:38,688 INFO L85 PathProgramCache]: Analyzing trace with hash -995510225, now seen corresponding path program 1 times [2022-11-21 16:52:38,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:52:38,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604828121] [2022-11-21 16:52:38,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:52:38,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:52:38,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:52:39,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:52:39,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:52:39,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 16:52:39,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:52:39,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 16:52:39,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:52:39,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:52:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:52:39,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 16:52:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:52:39,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:52:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:52:39,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:52:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:52:39,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-21 16:52:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:52:39,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-21 16:52:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:52:39,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-21 16:52:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:52:39,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 16:52:39,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:52:39,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-21 16:52:39,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:52:39,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 16:52:39,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:52:39,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-21 16:52:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:52:39,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 16:52:39,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:52:39,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:52:39,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:52:39,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 16:52:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:52:39,591 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-21 16:52:39,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:52:39,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604828121] [2022-11-21 16:52:39,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604828121] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:52:39,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:52:39,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:52:39,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790999823] [2022-11-21 16:52:39,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:52:39,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:52:39,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:52:39,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:52:39,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:52:39,594 INFO L87 Difference]: Start difference. First operand 3822 states and 5683 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, (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) [2022-11-21 16:52:46,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:52:50,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:52:59,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:52:59,784 INFO L93 Difference]: Finished difference Result 3822 states and 5683 transitions. [2022-11-21 16:52:59,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:52:59,785 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, (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 114 [2022-11-21 16:52:59,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:52:59,806 INFO L225 Difference]: With dead ends: 3822 [2022-11-21 16:52:59,806 INFO L226 Difference]: Without dead ends: 3820 [2022-11-21 16:52:59,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:52:59,810 INFO L413 NwaCegarLoop]: 1328 mSDtfsCounter, 6243 mSDsluCounter, 2466 mSDsCounter, 0 mSdLazyCounter, 9565 mSolverCounterSat, 8352 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6529 SdHoareTripleChecker+Valid, 3794 SdHoareTripleChecker+Invalid, 17918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8352 IncrementalHoareTripleChecker+Valid, 9565 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:52:59,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6529 Valid, 3794 Invalid, 17918 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8352 Valid, 9565 Invalid, 1 Unknown, 0 Unchecked, 19.2s Time] [2022-11-21 16:52:59,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3820 states. [2022-11-21 16:53:00,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3820 to 3820. [2022-11-21 16:53:00,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3820 states, 2046 states have (on average 1.215542521994135) internal successors, (2487), 2156 states have internal predecessors, (2487), 1598 states have call successors, (1598), 160 states have call predecessors, (1598), 159 states have return successors, (1596), 1552 states have call predecessors, (1596), 1596 states have call successors, (1596) [2022-11-21 16:53:00,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3820 states to 3820 states and 5681 transitions. [2022-11-21 16:53:00,491 INFO L78 Accepts]: Start accepts. Automaton has 3820 states and 5681 transitions. Word has length 114 [2022-11-21 16:53:00,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:53:00,492 INFO L495 AbstractCegarLoop]: Abstraction has 3820 states and 5681 transitions. [2022-11-21 16:53:00,492 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, (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) [2022-11-21 16:53:00,492 INFO L276 IsEmpty]: Start isEmpty. Operand 3820 states and 5681 transitions. [2022-11-21 16:53:00,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-21 16:53:00,494 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:53:00,494 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:53:00,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-21 16:53:00,495 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-21 16:53:00,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:53:00,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1069034182, now seen corresponding path program 1 times [2022-11-21 16:53:00,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:53:00,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302880142] [2022-11-21 16:53:00,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:53:00,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:53:00,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:01,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:53:01,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:01,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 16:53:01,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:01,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 16:53:01,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:01,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:53:01,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:01,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 16:53:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:01,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:53:01,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:01,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:53:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:01,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-21 16:53:01,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:01,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-21 16:53:01,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:01,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-21 16:53:01,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:01,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 16:53:01,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:01,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-21 16:53:01,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:01,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 16:53:01,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:01,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-21 16:53:01,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:01,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 16:53:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:01,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:53:01,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:01,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 16:53:01,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:01,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 16:53:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:01,364 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-21 16:53:01,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:53:01,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302880142] [2022-11-21 16:53:01,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302880142] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:53:01,365 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:53:01,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:53:01,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320192811] [2022-11-21 16:53:01,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:53:01,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:53:01,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:53:01,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:53:01,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:53:01,367 INFO L87 Difference]: Start difference. First operand 3820 states and 5681 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, (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) [2022-11-21 16:53:07,178 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 [] [2022-11-21 16:53:11,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:53:12,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:53:21,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:53:21,868 INFO L93 Difference]: Finished difference Result 3820 states and 5681 transitions. [2022-11-21 16:53:21,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:53:21,869 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, (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 120 [2022-11-21 16:53:21,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:53:21,892 INFO L225 Difference]: With dead ends: 3820 [2022-11-21 16:53:21,892 INFO L226 Difference]: Without dead ends: 3818 [2022-11-21 16:53:21,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:53:21,897 INFO L413 NwaCegarLoop]: 1328 mSDtfsCounter, 6237 mSDsluCounter, 2466 mSDsCounter, 0 mSdLazyCounter, 9562 mSolverCounterSat, 8352 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6522 SdHoareTripleChecker+Valid, 3794 SdHoareTripleChecker+Invalid, 17914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8352 IncrementalHoareTripleChecker+Valid, 9562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.5s IncrementalHoareTripleChecker+Time [2022-11-21 16:53:21,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6522 Valid, 3794 Invalid, 17914 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8352 Valid, 9562 Invalid, 0 Unknown, 0 Unchecked, 19.5s Time] [2022-11-21 16:53:21,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3818 states. [2022-11-21 16:53:22,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3818 to 3818. [2022-11-21 16:53:22,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3818 states, 2045 states have (on average 1.215158924205379) internal successors, (2485), 2154 states have internal predecessors, (2485), 1598 states have call successors, (1598), 160 states have call predecessors, (1598), 159 states have return successors, (1596), 1552 states have call predecessors, (1596), 1596 states have call successors, (1596) [2022-11-21 16:53:22,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3818 states to 3818 states and 5679 transitions. [2022-11-21 16:53:22,642 INFO L78 Accepts]: Start accepts. Automaton has 3818 states and 5679 transitions. Word has length 120 [2022-11-21 16:53:22,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:53:22,642 INFO L495 AbstractCegarLoop]: Abstraction has 3818 states and 5679 transitions. [2022-11-21 16:53:22,642 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, (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) [2022-11-21 16:53:22,643 INFO L276 IsEmpty]: Start isEmpty. Operand 3818 states and 5679 transitions. [2022-11-21 16:53:22,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-21 16:53:22,645 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:53:22,645 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:53:22,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-21 16:53:22,645 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-21 16:53:22,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:53:22,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1501371193, now seen corresponding path program 1 times [2022-11-21 16:53:22,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:53:22,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668415635] [2022-11-21 16:53:22,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:53:22,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:53:22,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:23,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:53:23,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:23,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 16:53:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:23,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 16:53:23,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:23,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:53:23,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:23,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 16:53:23,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:23,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:53:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:23,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:53:23,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:23,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-21 16:53:23,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:23,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-21 16:53:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:23,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-21 16:53:23,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:23,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 16:53:23,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:23,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-21 16:53:23,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:23,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 16:53:23,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:23,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-21 16:53:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:23,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 16:53:23,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:23,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:53:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:23,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 16:53:23,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:23,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 16:53:23,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:23,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-21 16:53:23,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:23,701 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-21 16:53:23,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:53:23,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668415635] [2022-11-21 16:53:23,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668415635] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:53:23,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:53:23,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:53:23,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186546284] [2022-11-21 16:53:23,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:53:23,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:53:23,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:53:23,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:53:23,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:53:23,709 INFO L87 Difference]: Start difference. First operand 3818 states and 5679 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-21 16:53:29,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:53:34,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:53:36,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:53:45,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:53:45,854 INFO L93 Difference]: Finished difference Result 3818 states and 5679 transitions. [2022-11-21 16:53:45,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:53:45,854 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 126 [2022-11-21 16:53:45,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:53:45,878 INFO L225 Difference]: With dead ends: 3818 [2022-11-21 16:53:45,878 INFO L226 Difference]: Without dead ends: 3816 [2022-11-21 16:53:45,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:53:45,882 INFO L413 NwaCegarLoop]: 1328 mSDtfsCounter, 6231 mSDsluCounter, 2466 mSDsCounter, 0 mSdLazyCounter, 9558 mSolverCounterSat, 8352 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6515 SdHoareTripleChecker+Valid, 3794 SdHoareTripleChecker+Invalid, 17910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8352 IncrementalHoareTripleChecker+Valid, 9558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:53:45,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6515 Valid, 3794 Invalid, 17910 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8352 Valid, 9558 Invalid, 0 Unknown, 0 Unchecked, 21.0s Time] [2022-11-21 16:53:45,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3816 states. [2022-11-21 16:53:46,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3816 to 3816. [2022-11-21 16:53:46,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3816 states, 2044 states have (on average 1.2147749510763208) internal successors, (2483), 2152 states have internal predecessors, (2483), 1598 states have call successors, (1598), 160 states have call predecessors, (1598), 159 states have return successors, (1596), 1552 states have call predecessors, (1596), 1596 states have call successors, (1596) [2022-11-21 16:53:46,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3816 states to 3816 states and 5677 transitions. [2022-11-21 16:53:46,565 INFO L78 Accepts]: Start accepts. Automaton has 3816 states and 5677 transitions. Word has length 126 [2022-11-21 16:53:46,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:53:46,566 INFO L495 AbstractCegarLoop]: Abstraction has 3816 states and 5677 transitions. [2022-11-21 16:53:46,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-21 16:53:46,567 INFO L276 IsEmpty]: Start isEmpty. Operand 3816 states and 5677 transitions. [2022-11-21 16:53:46,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-21 16:53:46,569 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:53:46,570 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:53:46,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-21 16:53:46,570 INFO L420 AbstractCegarLoop]: === Iteration 15 === 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 27 more)] === [2022-11-21 16:53:46,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:53:46,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1561865725, now seen corresponding path program 1 times [2022-11-21 16:53:46,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:53:46,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470785432] [2022-11-21 16:53:46,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:53:46,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:53:46,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:47,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:53:47,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:47,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 16:53:47,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:47,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 16:53:47,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:47,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:53:47,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:47,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 16:53:47,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:47,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:53:47,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:47,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:53:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:47,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-21 16:53:47,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:47,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-21 16:53:47,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:47,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-21 16:53:47,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:47,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 16:53:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:47,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-21 16:53:47,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:47,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 16:53:47,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:47,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-21 16:53:47,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:47,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 16:53:47,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:47,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:53:47,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:47,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 16:53:47,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:47,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 16:53:47,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:47,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-21 16:53:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:47,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-21 16:53:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:47,587 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-21 16:53:47,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:53:47,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470785432] [2022-11-21 16:53:47,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470785432] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:53:47,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:53:47,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:53:47,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871464760] [2022-11-21 16:53:47,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:53:47,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:53:47,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:53:47,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:53:47,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:53:47,592 INFO L87 Difference]: Start difference. First operand 3816 states and 5677 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-21 16:53:53,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:53:55,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:53:59,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:54:00,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:54:11,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:54:11,153 INFO L93 Difference]: Finished difference Result 3816 states and 5677 transitions. [2022-11-21 16:54:11,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:54:11,153 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 132 [2022-11-21 16:54:11,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:54:11,175 INFO L225 Difference]: With dead ends: 3816 [2022-11-21 16:54:11,175 INFO L226 Difference]: Without dead ends: 3814 [2022-11-21 16:54:11,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:54:11,184 INFO L413 NwaCegarLoop]: 1328 mSDtfsCounter, 6225 mSDsluCounter, 2466 mSDsCounter, 0 mSdLazyCounter, 9554 mSolverCounterSat, 8352 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6508 SdHoareTripleChecker+Valid, 3794 SdHoareTripleChecker+Invalid, 17906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8352 IncrementalHoareTripleChecker+Valid, 9554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.4s IncrementalHoareTripleChecker+Time [2022-11-21 16:54:11,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6508 Valid, 3794 Invalid, 17906 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8352 Valid, 9554 Invalid, 0 Unknown, 0 Unchecked, 22.4s Time] [2022-11-21 16:54:11,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3814 states. [2022-11-21 16:54:11,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3814 to 3814. [2022-11-21 16:54:11,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3814 states, 2043 states have (on average 1.2143906020558002) internal successors, (2481), 2150 states have internal predecessors, (2481), 1598 states have call successors, (1598), 160 states have call predecessors, (1598), 159 states have return successors, (1596), 1552 states have call predecessors, (1596), 1596 states have call successors, (1596) [2022-11-21 16:54:11,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3814 states to 3814 states and 5675 transitions. [2022-11-21 16:54:11,886 INFO L78 Accepts]: Start accepts. Automaton has 3814 states and 5675 transitions. Word has length 132 [2022-11-21 16:54:11,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:54:11,887 INFO L495 AbstractCegarLoop]: Abstraction has 3814 states and 5675 transitions. [2022-11-21 16:54:11,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-21 16:54:11,887 INFO L276 IsEmpty]: Start isEmpty. Operand 3814 states and 5675 transitions. [2022-11-21 16:54:11,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-11-21 16:54:11,889 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:54:11,889 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:54:11,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-21 16:54:11,890 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-21 16:54:11,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:54:11,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1493195204, now seen corresponding path program 1 times [2022-11-21 16:54:11,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:54:11,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133647950] [2022-11-21 16:54:11,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:54:11,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:54:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:12,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:54:12,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:12,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 16:54:12,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:12,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 16:54:12,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:12,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:54:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:12,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 16:54:12,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:12,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:54:12,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:12,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:54:12,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:12,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-21 16:54:12,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:12,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-21 16:54:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:12,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-21 16:54:12,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:12,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 16:54:12,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:12,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-21 16:54:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:12,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 16:54:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:12,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-21 16:54:12,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:12,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 16:54:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:12,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:54:12,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:12,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 16:54:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:12,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 16:54:12,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:12,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-21 16:54:12,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:12,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-21 16:54:12,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:12,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-21 16:54:12,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:12,871 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-21 16:54:12,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:54:12,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133647950] [2022-11-21 16:54:12,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133647950] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:54:12,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:54:12,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:54:12,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306470919] [2022-11-21 16:54:12,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:54:12,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:54:12,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:54:12,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:54:12,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:54:12,874 INFO L87 Difference]: Start difference. First operand 3814 states and 5675 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-21 16:54:19,159 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 [] [2022-11-21 16:54:22,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:54:24,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:54:35,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:54:35,285 INFO L93 Difference]: Finished difference Result 3814 states and 5675 transitions. [2022-11-21 16:54:35,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:54:35,286 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 138 [2022-11-21 16:54:35,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:54:35,302 INFO L225 Difference]: With dead ends: 3814 [2022-11-21 16:54:35,302 INFO L226 Difference]: Without dead ends: 3812 [2022-11-21 16:54:35,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:54:35,305 INFO L413 NwaCegarLoop]: 1328 mSDtfsCounter, 6219 mSDsluCounter, 2466 mSDsCounter, 0 mSdLazyCounter, 9550 mSolverCounterSat, 8352 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6501 SdHoareTripleChecker+Valid, 3794 SdHoareTripleChecker+Invalid, 17902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8352 IncrementalHoareTripleChecker+Valid, 9550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:54:35,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6501 Valid, 3794 Invalid, 17902 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8352 Valid, 9550 Invalid, 0 Unknown, 0 Unchecked, 21.2s Time] [2022-11-21 16:54:35,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3812 states. [2022-11-21 16:54:35,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3812 to 3812. [2022-11-21 16:54:35,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3812 states, 2042 states have (on average 1.2140058765915769) internal successors, (2479), 2148 states have internal predecessors, (2479), 1598 states have call successors, (1598), 160 states have call predecessors, (1598), 159 states have return successors, (1596), 1552 states have call predecessors, (1596), 1596 states have call successors, (1596) [2022-11-21 16:54:35,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3812 states to 3812 states and 5673 transitions. [2022-11-21 16:54:35,854 INFO L78 Accepts]: Start accepts. Automaton has 3812 states and 5673 transitions. Word has length 138 [2022-11-21 16:54:35,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:54:35,854 INFO L495 AbstractCegarLoop]: Abstraction has 3812 states and 5673 transitions. [2022-11-21 16:54:35,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-21 16:54:35,855 INFO L276 IsEmpty]: Start isEmpty. Operand 3812 states and 5673 transitions. [2022-11-21 16:54:35,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-21 16:54:35,857 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:54:35,858 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:54:35,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-21 16:54:35,858 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-21 16:54:35,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:54:35,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1583694865, now seen corresponding path program 1 times [2022-11-21 16:54:35,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:54:35,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664542012] [2022-11-21 16:54:35,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:54:35,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:54:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:36,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:54:36,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:36,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 16:54:36,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:36,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 16:54:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:36,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:54:36,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:36,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 16:54:36,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:36,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:54:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:36,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:54:36,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:36,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-21 16:54:36,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:36,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-21 16:54:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:36,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-21 16:54:36,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:36,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 16:54:36,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:36,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-21 16:54:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:36,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 16:54:36,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:36,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-21 16:54:36,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:36,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 16:54:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:36,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:54:36,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:36,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 16:54:36,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:36,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 16:54:36,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:36,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-21 16:54:36,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:36,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-21 16:54:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:36,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-21 16:54:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:36,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-21 16:54:36,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:36,852 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-21 16:54:36,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:54:36,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664542012] [2022-11-21 16:54:36,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664542012] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:54:36,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:54:36,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:54:36,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647031933] [2022-11-21 16:54:36,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:54:36,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:54:36,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:54:36,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:54:36,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:54:36,856 INFO L87 Difference]: Start difference. First operand 3812 states and 5673 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-21 16:54:42,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:54:47,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:54:59,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:54:59,552 INFO L93 Difference]: Finished difference Result 3959 states and 5837 transitions. [2022-11-21 16:54:59,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-21 16:54:59,553 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 144 [2022-11-21 16:54:59,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:54:59,568 INFO L225 Difference]: With dead ends: 3959 [2022-11-21 16:54:59,568 INFO L226 Difference]: Without dead ends: 3957 [2022-11-21 16:54:59,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-21 16:54:59,571 INFO L413 NwaCegarLoop]: 1330 mSDtfsCounter, 6417 mSDsluCounter, 2468 mSDsCounter, 0 mSdLazyCounter, 9802 mSolverCounterSat, 8408 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6698 SdHoareTripleChecker+Valid, 3798 SdHoareTripleChecker+Invalid, 18211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8408 IncrementalHoareTripleChecker+Valid, 9802 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.3s IncrementalHoareTripleChecker+Time [2022-11-21 16:54:59,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6698 Valid, 3798 Invalid, 18211 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8408 Valid, 9802 Invalid, 1 Unknown, 0 Unchecked, 21.3s Time] [2022-11-21 16:54:59,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3957 states. [2022-11-21 16:55:00,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3957 to 3951. [2022-11-21 16:55:00,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3951 states, 2144 states have (on average 1.212686567164179) internal successors, (2600), 2249 states have internal predecessors, (2600), 1616 states have call successors, (1616), 180 states have call predecessors, (1616), 179 states have return successors, (1614), 1570 states have call predecessors, (1614), 1614 states have call successors, (1614) [2022-11-21 16:55:00,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3951 states to 3951 states and 5830 transitions. [2022-11-21 16:55:00,237 INFO L78 Accepts]: Start accepts. Automaton has 3951 states and 5830 transitions. Word has length 144 [2022-11-21 16:55:00,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:55:00,238 INFO L495 AbstractCegarLoop]: Abstraction has 3951 states and 5830 transitions. [2022-11-21 16:55:00,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-21 16:55:00,238 INFO L276 IsEmpty]: Start isEmpty. Operand 3951 states and 5830 transitions. [2022-11-21 16:55:00,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-11-21 16:55:00,241 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:55:00,241 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:55:00,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-21 16:55:00,242 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_net_rtnetlink__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 27 more)] === [2022-11-21 16:55:00,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:55:00,242 INFO L85 PathProgramCache]: Analyzing trace with hash 942279901, now seen corresponding path program 1 times [2022-11-21 16:55:00,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:55:00,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974917830] [2022-11-21 16:55:00,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:55:00,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:55:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:55:01,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:55:01,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:55:01,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 16:55:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:55:01,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 16:55:01,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:55:01,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-21 16:55:01,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:55:01,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:55:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:55:01,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:55:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:55:01,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:55:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:55:01,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 16:55:01,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:55:01,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:55:01,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:55:01,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:55:01,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:55:01,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:55:01,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:55:01,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-21 16:55:01,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:55:01,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:55:01,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:55:01,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:55:01,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:55:01,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:55:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:55:01,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-21 16:55:01,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:55:01,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-21 16:55:01,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:55:01,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:55:01,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:55:01,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-21 16:55:01,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:55:01,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-21 16:55:01,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:55:01,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-21 16:55:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:55:01,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-21 16:55:01,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:55:01,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:55:01,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:55:01,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-21 16:55:01,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:55:01,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-21 16:55:01,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:55:01,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-21 16:55:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:55:01,667 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2022-11-21 16:55:01,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:55:01,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974917830] [2022-11-21 16:55:01,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974917830] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:55:01,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:55:01,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 16:55:01,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040155504] [2022-11-21 16:55:01,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:55:01,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-21 16:55:01,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:55:01,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-21 16:55:01,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-21 16:55:01,671 INFO L87 Difference]: Start difference. First operand 3951 states and 5830 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-21 16:55:10,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:55:18,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:55:20,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:55:22,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:55:24,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:55:33,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:55:34,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:55:59,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:55:59,976 INFO L93 Difference]: Finished difference Result 7571 states and 11357 transitions. [2022-11-21 16:55:59,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-21 16:55:59,976 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 171 [2022-11-21 16:55:59,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:56:00,022 INFO L225 Difference]: With dead ends: 7571 [2022-11-21 16:56:00,022 INFO L226 Difference]: Without dead ends: 7569 [2022-11-21 16:56:00,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2022-11-21 16:56:00,028 INFO L413 NwaCegarLoop]: 1386 mSDtfsCounter, 13105 mSDsluCounter, 4381 mSDsCounter, 0 mSdLazyCounter, 25227 mSolverCounterSat, 20250 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13361 SdHoareTripleChecker+Valid, 5767 SdHoareTripleChecker+Invalid, 45480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 20250 IncrementalHoareTripleChecker+Valid, 25227 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.3s IncrementalHoareTripleChecker+Time [2022-11-21 16:56:00,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13361 Valid, 5767 Invalid, 45480 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [20250 Valid, 25227 Invalid, 3 Unknown, 0 Unchecked, 55.3s Time] [2022-11-21 16:56:00,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7569 states. [2022-11-21 16:56:01,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7569 to 6949. [2022-11-21 16:56:01,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6949 states, 3621 states have (on average 1.2021541010770505) internal successors, (4353), 3797 states have internal predecessors, (4353), 3008 states have call successors, (3008), 301 states have call predecessors, (3008), 308 states have return successors, (3044), 2934 states have call predecessors, (3044), 3006 states have call successors, (3044) [2022-11-21 16:56:01,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6949 states to 6949 states and 10405 transitions. [2022-11-21 16:56:01,457 INFO L78 Accepts]: Start accepts. Automaton has 6949 states and 10405 transitions. Word has length 171 [2022-11-21 16:56:01,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:56:01,457 INFO L495 AbstractCegarLoop]: Abstraction has 6949 states and 10405 transitions. [2022-11-21 16:56:01,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-21 16:56:01,458 INFO L276 IsEmpty]: Start isEmpty. Operand 6949 states and 10405 transitions. [2022-11-21 16:56:01,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-11-21 16:56:01,461 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:56:01,461 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:56:01,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-21 16:56:01,461 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-21 16:56:01,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:56:01,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1807955103, now seen corresponding path program 1 times [2022-11-21 16:56:01,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:56:01,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815288193] [2022-11-21 16:56:01,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:56:01,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:56:01,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:03,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:56:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:03,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 16:56:03,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:03,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 16:56:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:03,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:56:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:03,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 16:56:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:03,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:56:03,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:03,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:56:03,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:03,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-21 16:56:03,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:03,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-21 16:56:03,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:03,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-21 16:56:03,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:03,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 16:56:03,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:03,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-21 16:56:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:03,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 16:56:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:03,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-21 16:56:03,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:03,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 16:56:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:03,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:56:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:03,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 16:56:03,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:03,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 16:56:03,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:03,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-21 16:56:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:03,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-21 16:56:03,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:03,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-21 16:56:03,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:03,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-21 16:56:03,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:03,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-21 16:56:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:03,465 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-21 16:56:03,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:56:03,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815288193] [2022-11-21 16:56:03,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815288193] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:56:03,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:56:03,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:56:03,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888832920] [2022-11-21 16:56:03,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:56:03,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:56:03,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:56:03,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:56:03,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:56:03,468 INFO L87 Difference]: Start difference. First operand 6949 states and 10405 transitions. Second operand has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-21 16:56:10,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:56:12,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:56:17,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:56:18,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:56:28,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:56:28,571 INFO L93 Difference]: Finished difference Result 6949 states and 10405 transitions. [2022-11-21 16:56:28,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:56:28,572 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 150 [2022-11-21 16:56:28,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:56:28,596 INFO L225 Difference]: With dead ends: 6949 [2022-11-21 16:56:28,596 INFO L226 Difference]: Without dead ends: 6947 [2022-11-21 16:56:28,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:56:28,600 INFO L413 NwaCegarLoop]: 1328 mSDtfsCounter, 6207 mSDsluCounter, 2466 mSDsCounter, 0 mSdLazyCounter, 9541 mSolverCounterSat, 8352 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6487 SdHoareTripleChecker+Valid, 3794 SdHoareTripleChecker+Invalid, 17894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8352 IncrementalHoareTripleChecker+Valid, 9541 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.8s IncrementalHoareTripleChecker+Time [2022-11-21 16:56:28,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6487 Valid, 3794 Invalid, 17894 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8352 Valid, 9541 Invalid, 1 Unknown, 0 Unchecked, 22.8s Time] [2022-11-21 16:56:28,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6947 states. [2022-11-21 16:56:30,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6947 to 6947. [2022-11-21 16:56:30,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6947 states, 3620 states have (on average 1.2019337016574585) internal successors, (4351), 3795 states have internal predecessors, (4351), 3008 states have call successors, (3008), 301 states have call predecessors, (3008), 308 states have return successors, (3044), 2934 states have call predecessors, (3044), 3006 states have call successors, (3044) [2022-11-21 16:56:30,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6947 states to 6947 states and 10403 transitions. [2022-11-21 16:56:30,054 INFO L78 Accepts]: Start accepts. Automaton has 6947 states and 10403 transitions. Word has length 150 [2022-11-21 16:56:30,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:56:30,054 INFO L495 AbstractCegarLoop]: Abstraction has 6947 states and 10403 transitions. [2022-11-21 16:56:30,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-21 16:56:30,054 INFO L276 IsEmpty]: Start isEmpty. Operand 6947 states and 10403 transitions. [2022-11-21 16:56:30,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-11-21 16:56:30,057 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:56:30,057 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:56:30,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-21 16:56:30,057 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_net_rtnetlink_past_rtnl_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-21 16:56:30,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:56:30,058 INFO L85 PathProgramCache]: Analyzing trace with hash 235657947, now seen corresponding path program 1 times [2022-11-21 16:56:30,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:56:30,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295875922] [2022-11-21 16:56:30,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:56:30,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:56:30,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:31,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:56:31,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:31,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 16:56:31,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:31,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 16:56:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:31,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-21 16:56:31,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:31,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:56:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:31,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:56:31,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:31,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:56:31,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:31,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 16:56:31,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:31,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:56:31,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:31,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:56:31,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:31,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:56:31,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:31,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-21 16:56:31,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:31,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:56:31,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:31,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:56:31,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:31,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:56:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:31,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-21 16:56:31,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:31,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-21 16:56:31,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:31,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:56:31,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:31,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-21 16:56:31,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:31,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-21 16:56:31,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:31,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-21 16:56:31,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:31,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-21 16:56:31,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:31,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:56:31,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:31,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-21 16:56:31,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:31,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-21 16:56:31,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:31,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-21 16:56:31,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:31,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-21 16:56:31,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:31,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-21 16:56:31,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:56:31,348 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2022-11-21 16:56:31,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:56:31,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295875922] [2022-11-21 16:56:31,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295875922] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:56:31,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:56:31,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 16:56:31,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988676781] [2022-11-21 16:56:31,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:56:31,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-21 16:56:31,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:56:31,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-21 16:56:31,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-21 16:56:31,351 INFO L87 Difference]: Start difference. First operand 6947 states and 10403 transitions. Second operand has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-21 16:56:40,442 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 [] [2022-11-21 16:56:49,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:56:51,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:56:53,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:57:02,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:57:04,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:57:05,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:57:30,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:57:30,011 INFO L93 Difference]: Finished difference Result 7702 states and 11567 transitions. [2022-11-21 16:57:30,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-21 16:57:30,012 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 179 [2022-11-21 16:57:30,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:57:30,038 INFO L225 Difference]: With dead ends: 7702 [2022-11-21 16:57:30,038 INFO L226 Difference]: Without dead ends: 7700 [2022-11-21 16:57:30,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2022-11-21 16:57:30,042 INFO L413 NwaCegarLoop]: 1322 mSDtfsCounter, 9513 mSDsluCounter, 4889 mSDsCounter, 0 mSdLazyCounter, 26183 mSolverCounterSat, 20944 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9532 SdHoareTripleChecker+Valid, 6211 SdHoareTripleChecker+Invalid, 47129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 20944 IncrementalHoareTripleChecker+Valid, 26183 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.4s IncrementalHoareTripleChecker+Time [2022-11-21 16:57:30,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9532 Valid, 6211 Invalid, 47129 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [20944 Valid, 26183 Invalid, 2 Unknown, 0 Unchecked, 55.4s Time] [2022-11-21 16:57:30,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7700 states. [2022-11-21 16:57:31,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7700 to 6689. [2022-11-21 16:57:31,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6689 states, 3467 states have (on average 1.205364868762619) internal successors, (4179), 3638 states have internal predecessors, (4179), 2906 states have call successors, (2906), 302 states have call predecessors, (2906), 305 states have return successors, (2928), 2830 states have call predecessors, (2928), 2904 states have call successors, (2928) [2022-11-21 16:57:31,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6689 states to 6689 states and 10013 transitions. [2022-11-21 16:57:31,340 INFO L78 Accepts]: Start accepts. Automaton has 6689 states and 10013 transitions. Word has length 179 [2022-11-21 16:57:31,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:57:31,340 INFO L495 AbstractCegarLoop]: Abstraction has 6689 states and 10013 transitions. [2022-11-21 16:57:31,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-21 16:57:31,341 INFO L276 IsEmpty]: Start isEmpty. Operand 6689 states and 10013 transitions. [2022-11-21 16:57:31,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-11-21 16:57:31,344 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:57:31,344 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:57:31,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-21 16:57:31,345 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-21 16:57:31,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:57:31,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1363448870, now seen corresponding path program 1 times [2022-11-21 16:57:31,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:57:31,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723079982] [2022-11-21 16:57:31,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:57:31,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:57:31,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:31,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:57:31,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:31,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 16:57:31,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:32,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 16:57:32,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:32,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:57:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:32,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 16:57:32,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:32,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:57:32,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:32,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:57:32,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:32,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-21 16:57:32,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:32,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-21 16:57:32,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:32,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-21 16:57:32,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:32,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 16:57:32,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:32,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-21 16:57:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:32,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 16:57:32,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:32,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-21 16:57:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:32,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 16:57:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:32,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:57:32,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:32,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 16:57:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:32,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 16:57:32,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:32,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-21 16:57:32,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:32,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-21 16:57:32,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:32,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-21 16:57:32,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:32,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-21 16:57:32,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:32,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-21 16:57:32,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:32,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 16:57:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:57:32,286 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-21 16:57:32,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:57:32,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723079982] [2022-11-21 16:57:32,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723079982] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:57:32,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:57:32,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:57:32,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051672613] [2022-11-21 16:57:32,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:57:32,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:57:32,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:57:32,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:57:32,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:57:32,289 INFO L87 Difference]: Start difference. First operand 6689 states and 10013 transitions. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-21 16:57:44,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:57:46,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:57:55,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:58:09,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:58:09,475 INFO L93 Difference]: Finished difference Result 6744 states and 10068 transitions. [2022-11-21 16:58:09,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-21 16:58:09,475 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 156 [2022-11-21 16:58:09,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:58:09,497 INFO L225 Difference]: With dead ends: 6744 [2022-11-21 16:58:09,497 INFO L226 Difference]: Without dead ends: 6742 [2022-11-21 16:58:09,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-21 16:58:09,500 INFO L413 NwaCegarLoop]: 1384 mSDtfsCounter, 8936 mSDsluCounter, 2596 mSDsCounter, 0 mSdLazyCounter, 15888 mSolverCounterSat, 13221 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9173 SdHoareTripleChecker+Valid, 3980 SdHoareTripleChecker+Invalid, 29109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 13221 IncrementalHoareTripleChecker+Valid, 15888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.7s IncrementalHoareTripleChecker+Time [2022-11-21 16:58:09,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9173 Valid, 3980 Invalid, 29109 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [13221 Valid, 15888 Invalid, 0 Unknown, 0 Unchecked, 34.7s Time] [2022-11-21 16:58:09,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6742 states. [2022-11-21 16:58:10,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6742 to 6729. [2022-11-21 16:58:10,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6729 states, 3496 states have (on average 1.2045194508009154) internal successors, (4211), 3664 states have internal predecessors, (4211), 2913 states have call successors, (2913), 308 states have call predecessors, (2913), 310 states have return successors, (2928), 2838 states have call predecessors, (2928), 2911 states have call successors, (2928) [2022-11-21 16:58:10,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6729 states to 6729 states and 10052 transitions. [2022-11-21 16:58:10,696 INFO L78 Accepts]: Start accepts. Automaton has 6729 states and 10052 transitions. Word has length 156 [2022-11-21 16:58:10,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:58:10,697 INFO L495 AbstractCegarLoop]: Abstraction has 6729 states and 10052 transitions. [2022-11-21 16:58:10,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-21 16:58:10,697 INFO L276 IsEmpty]: Start isEmpty. Operand 6729 states and 10052 transitions. [2022-11-21 16:58:10,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-11-21 16:58:10,700 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:58:10,700 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:58:10,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-21 16:58:10,700 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-21 16:58:10,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:58:10,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1678354372, now seen corresponding path program 1 times [2022-11-21 16:58:10,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:58:10,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818698123] [2022-11-21 16:58:10,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:58:10,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:58:10,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:11,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:58:11,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:11,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 16:58:11,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:11,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 16:58:11,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:11,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:58:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:11,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 16:58:11,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:11,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:58:11,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:11,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:58:11,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:11,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-21 16:58:11,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:11,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-21 16:58:11,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:11,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-21 16:58:11,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:11,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 16:58:11,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:11,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-21 16:58:11,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:11,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 16:58:11,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:11,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-21 16:58:11,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:11,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 16:58:11,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:11,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:58:11,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:11,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 16:58:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:11,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 16:58:11,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:11,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-21 16:58:11,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:11,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-21 16:58:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:11,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-21 16:58:11,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:11,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-21 16:58:11,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:11,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-21 16:58:11,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:11,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 16:58:11,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:11,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-21 16:58:11,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:11,594 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-21 16:58:11,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:58:11,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818698123] [2022-11-21 16:58:11,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818698123] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:58:11,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:58:11,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:58:11,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371555497] [2022-11-21 16:58:11,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:58:11,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:58:11,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:58:11,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:58:11,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:58:11,598 INFO L87 Difference]: Start difference. First operand 6729 states and 10052 transitions. Second operand has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-21 16:58:17,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:58:23,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:58:24,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:58:34,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:58:34,225 INFO L93 Difference]: Finished difference Result 6729 states and 10052 transitions. [2022-11-21 16:58:34,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:58:34,226 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 162 [2022-11-21 16:58:34,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:58:34,251 INFO L225 Difference]: With dead ends: 6729 [2022-11-21 16:58:34,251 INFO L226 Difference]: Without dead ends: 6727 [2022-11-21 16:58:34,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:58:34,255 INFO L413 NwaCegarLoop]: 1328 mSDtfsCounter, 6195 mSDsluCounter, 2466 mSDsCounter, 0 mSdLazyCounter, 9534 mSolverCounterSat, 8352 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6473 SdHoareTripleChecker+Valid, 3794 SdHoareTripleChecker+Invalid, 17886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8352 IncrementalHoareTripleChecker+Valid, 9534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2022-11-21 16:58:34,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6473 Valid, 3794 Invalid, 17886 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8352 Valid, 9534 Invalid, 0 Unknown, 0 Unchecked, 20.3s Time] [2022-11-21 16:58:34,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6727 states. [2022-11-21 16:58:35,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6727 to 6727. [2022-11-21 16:58:35,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6727 states, 3495 states have (on average 1.2042918454935623) internal successors, (4209), 3662 states have internal predecessors, (4209), 2913 states have call successors, (2913), 308 states have call predecessors, (2913), 310 states have return successors, (2928), 2838 states have call predecessors, (2928), 2911 states have call successors, (2928) [2022-11-21 16:58:35,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6727 states to 6727 states and 10050 transitions. [2022-11-21 16:58:35,479 INFO L78 Accepts]: Start accepts. Automaton has 6727 states and 10050 transitions. Word has length 162 [2022-11-21 16:58:35,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:58:35,479 INFO L495 AbstractCegarLoop]: Abstraction has 6727 states and 10050 transitions. [2022-11-21 16:58:35,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-21 16:58:35,479 INFO L276 IsEmpty]: Start isEmpty. Operand 6727 states and 10050 transitions. [2022-11-21 16:58:35,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-11-21 16:58:35,482 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:58:35,482 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:58:35,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-21 16:58:35,482 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-21 16:58:35,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:58:35,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1578507818, now seen corresponding path program 1 times [2022-11-21 16:58:35,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:58:35,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395515352] [2022-11-21 16:58:35,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:58:35,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:58:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:36,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:58:36,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:36,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 16:58:36,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:36,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 16:58:36,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:36,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:58:36,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:36,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 16:58:36,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:36,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:58:36,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:36,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:58:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:36,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-21 16:58:36,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:36,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-21 16:58:36,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:36,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-21 16:58:36,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:36,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 16:58:36,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:36,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-21 16:58:36,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:36,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 16:58:36,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:36,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-21 16:58:36,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:36,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 16:58:36,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:36,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:58:36,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:36,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 16:58:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:36,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 16:58:36,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:36,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-21 16:58:36,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:36,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-21 16:58:36,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:36,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-21 16:58:36,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:36,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-21 16:58:36,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:36,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-21 16:58:36,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:36,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 16:58:36,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:36,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-21 16:58:36,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:36,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-21 16:58:36,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:36,350 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-21 16:58:36,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:58:36,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395515352] [2022-11-21 16:58:36,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395515352] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:58:36,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:58:36,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:58:36,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435075049] [2022-11-21 16:58:36,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:58:36,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:58:36,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:58:36,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:58:36,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:58:36,353 INFO L87 Difference]: Start difference. First operand 6727 states and 10050 transitions. Second operand has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-21 16:58:43,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:58:49,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:58:59,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:58:59,073 INFO L93 Difference]: Finished difference Result 6735 states and 10058 transitions. [2022-11-21 16:58:59,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-21 16:58:59,073 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 168 [2022-11-21 16:58:59,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:58:59,095 INFO L225 Difference]: With dead ends: 6735 [2022-11-21 16:58:59,095 INFO L226 Difference]: Without dead ends: 6733 [2022-11-21 16:58:59,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-21 16:58:59,098 INFO L413 NwaCegarLoop]: 1330 mSDtfsCounter, 6393 mSDsluCounter, 2468 mSDsCounter, 0 mSdLazyCounter, 9785 mSolverCounterSat, 8408 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6670 SdHoareTripleChecker+Valid, 3798 SdHoareTripleChecker+Invalid, 18195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8408 IncrementalHoareTripleChecker+Valid, 9785 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.4s IncrementalHoareTripleChecker+Time [2022-11-21 16:58:59,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6670 Valid, 3798 Invalid, 18195 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8408 Valid, 9785 Invalid, 2 Unknown, 0 Unchecked, 20.4s Time] [2022-11-21 16:58:59,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6733 states. [2022-11-21 16:59:00,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6733 to 6725. [2022-11-21 16:59:00,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6725 states, 3494 states have (on average 1.2040641099026903) internal successors, (4207), 3660 states have internal predecessors, (4207), 2913 states have call successors, (2913), 308 states have call predecessors, (2913), 310 states have return successors, (2928), 2838 states have call predecessors, (2928), 2911 states have call successors, (2928) [2022-11-21 16:59:00,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6725 states to 6725 states and 10048 transitions. [2022-11-21 16:59:00,300 INFO L78 Accepts]: Start accepts. Automaton has 6725 states and 10048 transitions. Word has length 168 [2022-11-21 16:59:00,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:59:00,301 INFO L495 AbstractCegarLoop]: Abstraction has 6725 states and 10048 transitions. [2022-11-21 16:59:00,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-21 16:59:00,301 INFO L276 IsEmpty]: Start isEmpty. Operand 6725 states and 10048 transitions. [2022-11-21 16:59:00,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-11-21 16:59:00,304 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:59:00,305 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:59:00,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-21 16:59:00,305 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-21 16:59:00,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:59:00,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1891043735, now seen corresponding path program 1 times [2022-11-21 16:59:00,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:59:00,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90384802] [2022-11-21 16:59:00,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:59:00,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:59:00,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:00,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:59:00,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:00,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 16:59:00,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:00,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 16:59:00,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:00,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:59:00,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:00,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 16:59:00,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:00,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:59:00,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:00,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:00,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:00,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-21 16:59:00,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:00,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-21 16:59:00,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:00,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-21 16:59:00,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:00,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 16:59:00,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:00,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-21 16:59:00,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:00,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 16:59:00,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:00,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-21 16:59:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:00,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 16:59:00,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:00,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:59:01,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:01,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 16:59:01,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:01,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 16:59:01,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:01,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-21 16:59:01,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:01,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-21 16:59:01,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:01,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-21 16:59:01,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:01,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-21 16:59:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:01,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-21 16:59:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:01,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 16:59:01,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:01,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-21 16:59:01,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:01,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-21 16:59:01,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:01,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-21 16:59:01,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:01,105 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-21 16:59:01,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:59:01,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90384802] [2022-11-21 16:59:01,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90384802] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:59:01,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:59:01,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:59:01,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225460014] [2022-11-21 16:59:01,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:59:01,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:59:01,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:59:01,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:59:01,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:59:01,107 INFO L87 Difference]: Start difference. First operand 6725 states and 10048 transitions. Second operand has 6 states, 6 states have (on average 18.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-21 16:59:11,196 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 [] [2022-11-21 16:59:20,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:59:20,752 INFO L93 Difference]: Finished difference Result 6733 states and 10056 transitions. [2022-11-21 16:59:20,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-21 16:59:20,752 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 174 [2022-11-21 16:59:20,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:59:20,775 INFO L225 Difference]: With dead ends: 6733 [2022-11-21 16:59:20,775 INFO L226 Difference]: Without dead ends: 6731 [2022-11-21 16:59:20,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-21 16:59:20,779 INFO L413 NwaCegarLoop]: 1330 mSDtfsCounter, 6387 mSDsluCounter, 2468 mSDsCounter, 0 mSdLazyCounter, 9782 mSolverCounterSat, 8408 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6663 SdHoareTripleChecker+Valid, 3798 SdHoareTripleChecker+Invalid, 18191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8408 IncrementalHoareTripleChecker+Valid, 9782 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2022-11-21 16:59:20,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6663 Valid, 3798 Invalid, 18191 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8408 Valid, 9782 Invalid, 1 Unknown, 0 Unchecked, 17.4s Time] [2022-11-21 16:59:20,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6731 states. [2022-11-21 16:59:21,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6731 to 6723. [2022-11-21 16:59:21,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6723 states, 3493 states have (on average 1.2038362439164043) internal successors, (4205), 3658 states have internal predecessors, (4205), 2913 states have call successors, (2913), 308 states have call predecessors, (2913), 310 states have return successors, (2928), 2838 states have call predecessors, (2928), 2911 states have call successors, (2928) [2022-11-21 16:59:22,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6723 states to 6723 states and 10046 transitions. [2022-11-21 16:59:22,023 INFO L78 Accepts]: Start accepts. Automaton has 6723 states and 10046 transitions. Word has length 174 [2022-11-21 16:59:22,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:59:22,024 INFO L495 AbstractCegarLoop]: Abstraction has 6723 states and 10046 transitions. [2022-11-21 16:59:22,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-21 16:59:22,025 INFO L276 IsEmpty]: Start isEmpty. Operand 6723 states and 10046 transitions. [2022-11-21 16:59:22,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-11-21 16:59:22,028 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:59:22,029 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:59:22,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-21 16:59:22,029 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-21 16:59:22,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:59:22,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1870903034, now seen corresponding path program 1 times [2022-11-21 16:59:22,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:59:22,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824637324] [2022-11-21 16:59:22,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:59:22,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:59:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:22,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:59:22,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:22,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 16:59:22,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:22,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 16:59:22,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:22,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:59:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:22,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 16:59:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:22,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-21 16:59:22,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:22,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:22,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:22,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-21 16:59:22,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:22,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-21 16:59:22,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:22,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-21 16:59:22,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:22,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 16:59:22,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:22,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-21 16:59:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:22,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 16:59:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:22,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-21 16:59:22,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:22,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 16:59:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:22,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:59:22,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:22,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 16:59:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:22,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 16:59:22,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:22,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-21 16:59:22,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:22,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-21 16:59:22,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:22,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-21 16:59:22,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:22,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-21 16:59:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:22,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-21 16:59:22,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:22,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 16:59:22,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:22,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-21 16:59:22,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:22,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-21 16:59:22,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:22,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-21 16:59:22,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:22,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-21 16:59:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:22,779 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-21 16:59:22,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:59:22,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824637324] [2022-11-21 16:59:22,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824637324] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:59:22,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:59:22,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:59:22,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873402955] [2022-11-21 16:59:22,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:59:22,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:59:22,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:59:22,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:59:22,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:59:22,781 INFO L87 Difference]: Start difference. First operand 6723 states and 10046 transitions. Second operand has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-21 16:59:32,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:59:33,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:59:43,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:59:43,072 INFO L93 Difference]: Finished difference Result 6723 states and 10046 transitions. [2022-11-21 16:59:43,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:59:43,072 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 180 [2022-11-21 16:59:43,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:59:43,097 INFO L225 Difference]: With dead ends: 6723 [2022-11-21 16:59:43,097 INFO L226 Difference]: Without dead ends: 6530 [2022-11-21 16:59:43,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:59:43,105 INFO L413 NwaCegarLoop]: 1328 mSDtfsCounter, 6174 mSDsluCounter, 2466 mSDsCounter, 0 mSdLazyCounter, 9525 mSolverCounterSat, 8352 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6449 SdHoareTripleChecker+Valid, 3794 SdHoareTripleChecker+Invalid, 17877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8352 IncrementalHoareTripleChecker+Valid, 9525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:59:43,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6449 Valid, 3794 Invalid, 17877 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8352 Valid, 9525 Invalid, 0 Unknown, 0 Unchecked, 18.1s Time] [2022-11-21 16:59:43,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6530 states. [2022-11-21 16:59:44,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6530 to 6530. [2022-11-21 16:59:44,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6530 states, 3375 states have (on average 1.2091851851851851) internal successors, (4081), 3537 states have internal predecessors, (4081), 2858 states have call successors, (2858), 288 states have call predecessors, (2858), 291 states have return successors, (2875), 2785 states have call predecessors, (2875), 2858 states have call successors, (2875) [2022-11-21 16:59:44,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6530 states to 6530 states and 9814 transitions. [2022-11-21 16:59:44,548 INFO L78 Accepts]: Start accepts. Automaton has 6530 states and 9814 transitions. Word has length 180 [2022-11-21 16:59:44,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:59:44,549 INFO L495 AbstractCegarLoop]: Abstraction has 6530 states and 9814 transitions. [2022-11-21 16:59:44,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-21 16:59:44,549 INFO L276 IsEmpty]: Start isEmpty. Operand 6530 states and 9814 transitions. [2022-11-21 16:59:44,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-11-21 16:59:44,552 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:59:44,552 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-21 16:59:44,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-21 16:59:44,553 INFO L420 AbstractCegarLoop]: === Iteration 26 === 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 27 more)] === [2022-11-21 16:59:44,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:59:44,553 INFO L85 PathProgramCache]: Analyzing trace with hash -856626500, now seen corresponding path program 1 times [2022-11-21 16:59:44,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:59:44,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117855648] [2022-11-21 16:59:44,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:59:44,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:59:44,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:45,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:59:45,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:45,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 16:59:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:45,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 16:59:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:45,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-21 16:59:45,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:45,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:45,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:59:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:45,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:59:45,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:45,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 16:59:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:45,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:45,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:59:46,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:59:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-21 16:59:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:59:46,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:59:46,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-21 16:59:46,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-21 16:59:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:59:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-21 16:59:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-21 16:59:46,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-21 16:59:46,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-21 16:59:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:46,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-21 16:59:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-21 16:59:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-21 16:59:46,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-21 16:59:46,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-21 16:59:46,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:46,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:46,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-21 16:59:46,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:46,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:46,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-21 16:59:46,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,256 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 341 trivial. 0 not checked. [2022-11-21 16:59:46,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:59:46,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117855648] [2022-11-21 16:59:46,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117855648] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:59:46,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:59:46,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-21 16:59:46,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437741682] [2022-11-21 16:59:46,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:59:46,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:59:46,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:59:46,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:59:46,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:59:46,258 INFO L87 Difference]: Start difference. First operand 6530 states and 9814 transitions. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 5 states have internal predecessors, (85), 2 states have call successors, (29), 5 states have call predecessors, (29), 2 states have return successors, (25), 3 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-21 16:59:54,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:59:55,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:00:01,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:00:02,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:00:03,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:00:25,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:00:25,106 INFO L93 Difference]: Finished difference Result 14195 states and 21311 transitions. [2022-11-21 17:00:25,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-21 17:00:25,106 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 5 states have internal predecessors, (85), 2 states have call successors, (29), 5 states have call predecessors, (29), 2 states have return successors, (25), 3 states have call predecessors, (25), 2 states have call successors, (25) Word has length 221 [2022-11-21 17:00:25,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:00:25,138 INFO L225 Difference]: With dead ends: 14195 [2022-11-21 17:00:25,138 INFO L226 Difference]: Without dead ends: 7684 [2022-11-21 17:00:25,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2022-11-21 17:00:25,182 INFO L413 NwaCegarLoop]: 1178 mSDtfsCounter, 8439 mSDsluCounter, 4553 mSDsCounter, 0 mSdLazyCounter, 21318 mSolverCounterSat, 12109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8668 SdHoareTripleChecker+Valid, 5731 SdHoareTripleChecker+Invalid, 33427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 12109 IncrementalHoareTripleChecker+Valid, 21318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.8s IncrementalHoareTripleChecker+Time [2022-11-21 17:00:25,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8668 Valid, 5731 Invalid, 33427 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [12109 Valid, 21318 Invalid, 0 Unknown, 0 Unchecked, 35.8s Time] [2022-11-21 17:00:25,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7684 states. [2022-11-21 17:00:26,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7684 to 6682. [2022-11-21 17:00:26,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6682 states, 3485 states have (on average 1.20545193687231) internal successors, (4201), 3647 states have internal predecessors, (4201), 2870 states have call successors, (2870), 318 states have call predecessors, (2870), 321 states have return successors, (2887), 2797 states have call predecessors, (2887), 2870 states have call successors, (2887) [2022-11-21 17:00:26,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6682 states to 6682 states and 9958 transitions. [2022-11-21 17:00:26,498 INFO L78 Accepts]: Start accepts. Automaton has 6682 states and 9958 transitions. Word has length 221 [2022-11-21 17:00:26,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:00:26,499 INFO L495 AbstractCegarLoop]: Abstraction has 6682 states and 9958 transitions. [2022-11-21 17:00:26,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 5 states have internal predecessors, (85), 2 states have call successors, (29), 5 states have call predecessors, (29), 2 states have return successors, (25), 3 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-21 17:00:26,500 INFO L276 IsEmpty]: Start isEmpty. Operand 6682 states and 9958 transitions. [2022-11-21 17:00:26,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-11-21 17:00:26,503 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:00:26,503 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-21 17:00:26,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-21 17:00:26,504 INFO L420 AbstractCegarLoop]: === Iteration 27 === 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 27 more)] === [2022-11-21 17:00:26,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:00:26,504 INFO L85 PathProgramCache]: Analyzing trace with hash -856566918, now seen corresponding path program 1 times [2022-11-21 17:00:26,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:00:26,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221961777] [2022-11-21 17:00:26,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:26,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:00:26,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:27,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:00:27,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:27,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 17:00:27,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:27,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 17:00:27,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:27,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-21 17:00:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:27,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:27,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:27,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:00:27,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:27,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:00:27,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:27,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 17:00:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:27,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:27,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:27,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:00:27,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:27,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:00:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:27,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-21 17:00:27,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:27,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:27,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:27,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:00:27,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:27,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:00:27,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:27,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-21 17:00:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:27,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-21 17:00:27,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:27,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 17:00:27,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:27,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-21 17:00:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:27,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-21 17:00:27,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:27,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-21 17:00:27,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:27,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-21 17:00:27,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:27,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:27,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:27,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-21 17:00:27,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:27,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-21 17:00:27,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:27,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-21 17:00:27,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:27,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-21 17:00:27,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:27,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-21 17:00:27,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:27,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:27,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:27,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:27,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:27,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-21 17:00:27,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:27,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:27,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:27,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:27,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-21 17:00:27,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:27,856 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2022-11-21 17:00:27,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:00:27,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221961777] [2022-11-21 17:00:27,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221961777] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:00:27,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [695880890] [2022-11-21 17:00:27,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:27,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:00:27,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:00:27,861 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:00:27,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-21 17:00:29,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:29,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 5232 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-21 17:00:29,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:00:29,772 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 341 trivial. 0 not checked. [2022-11-21 17:00:29,773 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:00:29,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [695880890] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:00:29,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 17:00:29,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2022-11-21 17:00:29,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831275941] [2022-11-21 17:00:29,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:00:29,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 17:00:29,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:00:29,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 17:00:29,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-21 17:00:29,775 INFO L87 Difference]: Start difference. First operand 6682 states and 9958 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-11-21 17:00:31,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:00:31,106 INFO L93 Difference]: Finished difference Result 6706 states and 9986 transitions. [2022-11-21 17:00:31,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 17:00:31,107 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 221 [2022-11-21 17:00:31,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:00:31,132 INFO L225 Difference]: With dead ends: 6706 [2022-11-21 17:00:31,132 INFO L226 Difference]: Without dead ends: 6704 [2022-11-21 17:00:31,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-11-21 17:00:31,137 INFO L413 NwaCegarLoop]: 5402 mSDtfsCounter, 23 mSDsluCounter, 10801 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 16203 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:00:31,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 16203 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:00:31,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6704 states. [2022-11-21 17:00:32,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6704 to 6686. [2022-11-21 17:00:32,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6686 states, 3489 states have (on average 1.2046431642304385) internal successors, (4203), 3651 states have internal predecessors, (4203), 2870 states have call successors, (2870), 318 states have call predecessors, (2870), 321 states have return successors, (2887), 2797 states have call predecessors, (2887), 2870 states have call successors, (2887) [2022-11-21 17:00:32,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6686 states to 6686 states and 9960 transitions. [2022-11-21 17:00:32,453 INFO L78 Accepts]: Start accepts. Automaton has 6686 states and 9960 transitions. Word has length 221 [2022-11-21 17:00:32,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:00:32,453 INFO L495 AbstractCegarLoop]: Abstraction has 6686 states and 9960 transitions. [2022-11-21 17:00:32,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-11-21 17:00:32,453 INFO L276 IsEmpty]: Start isEmpty. Operand 6686 states and 9960 transitions. [2022-11-21 17:00:32,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-11-21 17:00:32,457 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:00:32,457 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-21 17:00:32,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-21 17:00:32,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864ca096-51d9-4e6b-9016-bd04bd4000a9/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-11-21 17:00:32,676 INFO L420 AbstractCegarLoop]: === Iteration 28 === 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 27 more)] === [2022-11-21 17:00:32,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:00:32,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1712887744, now seen corresponding path program 1 times [2022-11-21 17:00:32,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:00:32,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479089798] [2022-11-21 17:00:32,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:32,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:00:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:33,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:00:33,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:33,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 17:00:33,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:33,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 17:00:33,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:33,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-21 17:00:33,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:33,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:33,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:33,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:00:33,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:33,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:00:33,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:33,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 17:00:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:33,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:33,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:33,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:00:33,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:33,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:00:33,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:33,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-21 17:00:33,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:33,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:33,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:00:33,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:33,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:00:33,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:33,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-21 17:00:33,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:33,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-21 17:00:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:33,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 17:00:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:33,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-21 17:00:33,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:33,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-21 17:00:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:33,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-21 17:00:33,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:33,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-21 17:00:33,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:33,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:33,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:33,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-21 17:00:33,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:33,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-21 17:00:33,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:33,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-21 17:00:33,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:33,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-21 17:00:33,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:33,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-21 17:00:33,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:33,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:33,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:33,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:33,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:33,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-21 17:00:33,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:33,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:33,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:33,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:33,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-21 17:00:33,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:33,795 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 341 trivial. 0 not checked. [2022-11-21 17:00:33,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:00:33,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479089798] [2022-11-21 17:00:33,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479089798] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:00:33,795 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:00:33,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 17:00:33,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210632942] [2022-11-21 17:00:33,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:00:33,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-21 17:00:33,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:00:33,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-21 17:00:33,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-21 17:00:33,797 INFO L87 Difference]: Start difference. First operand 6686 states and 9960 transitions. Second operand has 8 states, 8 states have (on average 11.125) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-21 17:00:40,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:00:44,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:00:45,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:00:46,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:01:03,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:01:03,318 INFO L93 Difference]: Finished difference Result 15112 states and 22679 transitions. [2022-11-21 17:01:03,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 17:01:03,319 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 225 [2022-11-21 17:01:03,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:01:03,363 INFO L225 Difference]: With dead ends: 15112 [2022-11-21 17:01:03,364 INFO L226 Difference]: Without dead ends: 8445 [2022-11-21 17:01:03,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2022-11-21 17:01:03,402 INFO L413 NwaCegarLoop]: 2033 mSDtfsCounter, 8865 mSDsluCounter, 4546 mSDsCounter, 0 mSdLazyCounter, 12611 mSolverCounterSat, 12667 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9114 SdHoareTripleChecker+Valid, 6579 SdHoareTripleChecker+Invalid, 25279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12667 IncrementalHoareTripleChecker+Valid, 12611 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.2s IncrementalHoareTripleChecker+Time [2022-11-21 17:01:03,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9114 Valid, 6579 Invalid, 25279 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12667 Valid, 12611 Invalid, 1 Unknown, 0 Unchecked, 26.2s Time] [2022-11-21 17:01:03,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8445 states. [2022-11-21 17:01:04,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8445 to 6676. [2022-11-21 17:01:04,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6676 states, 3480 states have (on average 1.202873563218391) internal successors, (4186), 3641 states have internal predecessors, (4186), 2870 states have call successors, (2870), 318 states have call predecessors, (2870), 321 states have return successors, (2887), 2797 states have call predecessors, (2887), 2870 states have call successors, (2887) [2022-11-21 17:01:04,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6676 states to 6676 states and 9943 transitions. [2022-11-21 17:01:04,862 INFO L78 Accepts]: Start accepts. Automaton has 6676 states and 9943 transitions. Word has length 225 [2022-11-21 17:01:04,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:01:04,863 INFO L495 AbstractCegarLoop]: Abstraction has 6676 states and 9943 transitions. [2022-11-21 17:01:04,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-21 17:01:04,864 INFO L276 IsEmpty]: Start isEmpty. Operand 6676 states and 9943 transitions. [2022-11-21 17:01:04,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2022-11-21 17:01:04,872 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:01:04,873 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:01:04,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-21 17:01:04,873 INFO L420 AbstractCegarLoop]: === Iteration 29 === 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 27 more)] === [2022-11-21 17:01:04,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:01:04,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1268248521, now seen corresponding path program 1 times [2022-11-21 17:01:04,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:01:04,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974805755] [2022-11-21 17:01:04,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:01:04,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:01:05,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:01:06,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 17:01:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 17:01:06,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-21 17:01:06,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:06,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:01:06,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:01:06,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 17:01:06,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:06,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:01:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:01:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-21 17:01:06,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:06,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:01:06,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:01:06,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-21 17:01:06,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-21 17:01:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 17:01:06,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-21 17:01:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-21 17:01:06,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-21 17:01:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-21 17:01:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:06,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-21 17:01:06,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-21 17:01:06,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-21 17:01:06,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-21 17:01:06,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:06,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-21 17:01:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:06,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 17:01:06,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-21 17:01:06,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-21 17:01:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 17:01:06,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-21 17:01:06,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 17:01:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-21 17:01:06,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-11-21 17:01:06,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:06,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-21 17:01:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:06,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 17:01:06,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:06,813 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2022-11-21 17:01:06,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:01:06,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974805755] [2022-11-21 17:01:06,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974805755] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:01:06,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:01:06,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-21 17:01:06,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494558555] [2022-11-21 17:01:06,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:01:06,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-21 17:01:06,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:01:06,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-21 17:01:06,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-11-21 17:01:06,816 INFO L87 Difference]: Start difference. First operand 6676 states and 9943 transitions. Second operand has 11 states, 10 states have (on average 15.2) internal successors, (152), 6 states have internal predecessors, (152), 3 states have call successors, (42), 5 states have call predecessors, (42), 3 states have return successors, (38), 4 states have call predecessors, (38), 2 states have call successors, (38) [2022-11-21 17:01:17,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:01:21,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []