./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 5e519f3a 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_714ccdb9-9a97-460f-b82c-7810e511f726/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/bin/utaipan-7li7fVZpFI/config/TaipanReach.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_714ccdb9-9a97-460f-b82c-7810e511f726/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-5e519f3 [2022-11-03 02:24:31,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:24:31,832 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:24:31,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:24:31,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:24:31,888 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:24:31,890 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:24:31,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:24:31,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:24:31,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:24:31,906 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:24:31,907 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:24:31,908 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:24:31,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:24:31,910 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:24:31,911 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:24:31,912 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:24:31,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:24:31,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:24:31,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:24:31,918 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:24:31,924 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:24:31,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:24:31,927 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:24:31,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:24:31,931 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:24:31,932 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:24:31,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:24:31,934 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:24:31,935 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:24:31,935 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:24:31,936 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:24:31,937 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:24:31,938 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:24:31,939 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:24:31,940 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:24:31,941 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:24:31,941 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:24:31,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:24:31,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:24:31,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:24:31,946 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:24:31,990 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:24:31,994 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:24:31,995 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:24:31,995 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:24:31,996 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:24:31,996 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:24:31,996 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:24:31,997 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:24:31,997 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:24:31,997 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:24:31,998 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:24:31,999 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:24:31,999 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:24:31,999 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:24:32,000 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:24:32,000 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:24:32,000 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:24:32,000 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:24:32,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:24:32,002 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:24:32,002 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:24:32,002 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:24:32,003 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:24:32,003 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:24:32,003 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:24:32,003 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:24:32,004 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:24:32,004 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:24:32,004 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:24:32,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:24:32,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:24:32,005 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:24:32,005 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:24:32,006 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:24:32,006 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:24:32,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:24:32,006 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:24:32,007 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:24:32,007 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_714ccdb9-9a97-460f-b82c-7810e511f726/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 215f888dc671693e11ab9e6bd2129df5ac5b9449825c6d5223962a3561afda36 [2022-11-03 02:24:32,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:24:32,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:24:32,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:24:32,352 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:24:32,353 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:24:32,354 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i [2022-11-03 02:24:32,448 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/bin/utaipan-7li7fVZpFI/data/9a94bd9a7/286aeef8edde4af6aeb893c27895620d/FLAG590602681 [2022-11-03 02:24:33,689 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:24:33,691 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i [2022-11-03 02:24:33,774 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/bin/utaipan-7li7fVZpFI/data/9a94bd9a7/286aeef8edde4af6aeb893c27895620d/FLAG590602681 [2022-11-03 02:24:33,865 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/bin/utaipan-7li7fVZpFI/data/9a94bd9a7/286aeef8edde4af6aeb893c27895620d [2022-11-03 02:24:33,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:24:33,872 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:24:33,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:24:33,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:24:33,879 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:24:33,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:24:33" (1/1) ... [2022-11-03 02:24:33,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24409673 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:24:33, skipping insertion in model container [2022-11-03 02:24:33,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:24:33" (1/1) ... [2022-11-03 02:24:33,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:24:34,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:24:41,753 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,756 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,757 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,757 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,758 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,759 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,759 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,760 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,761 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,761 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,762 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,762 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,763 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,764 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,764 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,765 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,765 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,766 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,767 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,767 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,768 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,768 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,769 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,770 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,770 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,771 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,772 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,772 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,773 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,773 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,774 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,774 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,775 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,775 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,776 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,776 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,777 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,777 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,778 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,778 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,779 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,779 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,780 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,781 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,781 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,782 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,783 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,783 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,784 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,784 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,785 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,785 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,786 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,786 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,787 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,787 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,788 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,789 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,789 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,790 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,790 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,791 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,791 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,792 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,792 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,793 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,793 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,794 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,794 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,795 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,795 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,796 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,796 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,797 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,797 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,798 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,798 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,799 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,799 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,800 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,800 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,801 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,801 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,802 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,802 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,803 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,803 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,804 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:41,840 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:24:41,898 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:24:42,606 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,607 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,608 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,609 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,609 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,610 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,611 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,611 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,612 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,612 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,614 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,615 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,615 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,616 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,616 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,617 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,618 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,618 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,619 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,620 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,620 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,621 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,622 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,623 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,624 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,624 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,625 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,626 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,627 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,628 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,628 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,629 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,629 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,631 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,632 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,632 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,633 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,635 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,635 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,636 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,638 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,639 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,639 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,640 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,640 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,641 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,643 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,643 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,644 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,645 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,645 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,646 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,646 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,647 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,653 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,655 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,659 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,659 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,660 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,661 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,665 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,670 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,671 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,671 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,672 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,673 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,674 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,674 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,675 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,675 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,676 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,677 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,678 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,678 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,679 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,679 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,680 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,680 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,682 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,683 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,684 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,686 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,686 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,688 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,689 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,689 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,690 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,690 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/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] [2022-11-03 02:24:42,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:24:43,177 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:24:43,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:24:43 WrapperNode [2022-11-03 02:24:43,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:24:43,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:24:43,181 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:24:43,181 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:24:43,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:24:43" (1/1) ... [2022-11-03 02:24:43,423 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:24:43" (1/1) ... [2022-11-03 02:24:43,754 INFO L138 Inliner]: procedures = 800, calls = 5082, calls flagged for inlining = 403, calls inlined = 325, statements flattened = 9643 [2022-11-03 02:24:43,755 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:24:43,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:24:43,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:24:43,756 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:24:43,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:24:43" (1/1) ... [2022-11-03 02:24:43,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:24:43" (1/1) ... [2022-11-03 02:24:43,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:24:43" (1/1) ... [2022-11-03 02:24:43,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:24:43" (1/1) ... [2022-11-03 02:24:44,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:24:43" (1/1) ... [2022-11-03 02:24:44,065 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:24:43" (1/1) ... [2022-11-03 02:24:44,290 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:24:43" (1/1) ... [2022-11-03 02:24:44,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:24:43" (1/1) ... [2022-11-03 02:24:44,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:24:44,376 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:24:44,376 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:24:44,377 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:24:44,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:24:43" (1/1) ... [2022-11-03 02:24:44,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:24:44,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:24:44,417 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:24:44,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:24:44,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_125 [2022-11-03 02:24:44,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_125 [2022-11-03 02:24:44,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-03 02:24:44,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-03 02:24:44,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-03 02:24:44,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-03 02:24:44,467 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 02:24:44,467 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 02:24:44,468 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-03 02:24:44,468 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-03 02:24:44,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_net_rtnetlink__double_lock [2022-11-03 02:24:44,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_net_rtnetlink__double_lock [2022-11-03 02:24:44,468 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2022-11-03 02:24:44,468 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2022-11-03 02:24:44,469 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2022-11-03 02:24:44,469 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2022-11-03 02:24:44,469 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2022-11-03 02:24:44,469 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2022-11-03 02:24:44,469 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-03 02:24:44,470 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-03 02:24:44,470 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2022-11-03 02:24:44,470 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2022-11-03 02:24:44,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-03 02:24:44,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-03 02:24:44,470 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 02:24:44,471 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 02:24:44,471 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2022-11-03 02:24:44,471 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2022-11-03 02:24:44,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 02:24:44,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 02:24:44,472 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2022-11-03 02:24:44,472 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2022-11-03 02:24:44,472 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2022-11-03 02:24:44,472 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2022-11-03 02:24:44,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-03 02:24:44,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-03 02:24:44,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:24:44,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-03 02:24:44,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-03 02:24:44,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-03 02:24:44,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-03 02:24:44,474 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2022-11-03 02:24:44,474 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2022-11-03 02:24:44,474 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-03 02:24:44,474 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-03 02:24:44,474 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 02:24:44,475 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 02:24:44,475 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2022-11-03 02:24:44,475 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2022-11-03 02:24:44,475 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2022-11-03 02:24:44,475 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2022-11-03 02:24:44,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-03 02:24:44,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-03 02:24:44,476 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-11-03 02:24:44,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-11-03 02:24:44,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:24:44,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:24:44,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 02:24:44,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 02:24:44,477 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 02:24:44,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 02:24:44,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:24:44,478 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2022-11-03 02:24:44,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2022-11-03 02:24:44,478 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_start [2022-11-03 02:24:44,478 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_start [2022-11-03 02:24:44,478 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2022-11-03 02:24:44,479 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2022-11-03 02:24:44,479 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 02:24:44,479 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 02:24:44,479 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_resume [2022-11-03 02:24:44,479 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_resume [2022-11-03 02:24:44,480 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2022-11-03 02:24:44,480 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2022-11-03 02:24:44,480 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-11-03 02:24:44,480 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-11-03 02:24:44,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:24:44,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:24:44,481 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 02:24:44,481 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 02:24:44,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 02:24:44,481 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_conf_tx [2022-11-03 02:24:44,481 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_conf_tx [2022-11-03 02:24:44,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_free_hw [2022-11-03 02:24:44,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_free_hw [2022-11-03 02:24:44,482 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2022-11-03 02:24:44,482 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2022-11-03 02:24:44,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-03 02:24:44,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-03 02:24:44,483 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-03 02:24:44,483 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-03 02:24:44,483 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2022-11-03 02:24:44,483 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2022-11-03 02:24:44,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_122 [2022-11-03 02:24:44,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_122 [2022-11-03 02:24:44,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-03 02:24:44,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-03 02:24:44,484 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2022-11-03 02:24:44,484 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2022-11-03 02:24:44,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-03 02:24:44,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-03 02:24:44,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:24:44,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-03 02:24:44,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-03 02:24:44,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:24:44,486 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_stop [2022-11-03 02:24:44,486 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_stop [2022-11-03 02:24:44,486 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2022-11-03 02:24:44,486 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2022-11-03 02:24:44,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 02:24:44,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 02:24:44,487 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2022-11-03 02:24:44,487 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2022-11-03 02:24:44,487 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_rf_readreg [2022-11-03 02:24:44,487 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_rf_readreg [2022-11-03 02:24:44,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-03 02:24:44,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-03 02:24:44,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-03 02:24:44,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-03 02:24:44,488 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2022-11-03 02:24:44,488 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2022-11-03 02:24:44,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:24:44,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:24:44,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:24:44,489 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2022-11-03 02:24:44,489 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2022-11-03 02:24:44,490 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_conf_ac_parm [2022-11-03 02:24:44,490 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_conf_ac_parm [2022-11-03 02:24:44,490 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-03 02:24:44,490 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-03 02:24:44,490 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2022-11-03 02:24:44,490 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2022-11-03 02:24:44,491 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-03 02:24:44,491 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-03 02:24:44,491 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2022-11-03 02:24:44,491 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2022-11-03 02:24:44,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_past_rtnl_unlock [2022-11-03 02:24:44,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_past_rtnl_unlock [2022-11-03 02:24:44,492 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-03 02:24:44,492 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2022-11-03 02:24:44,492 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2022-11-03 02:24:44,492 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-11-03 02:24:44,492 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-11-03 02:24:44,492 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2022-11-03 02:24:44,493 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2022-11-03 02:24:44,493 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-11-03 02:24:44,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-11-03 02:24:44,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-03 02:24:44,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-03 02:24:44,493 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2022-11-03 02:24:44,494 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2022-11-03 02:24:44,494 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2022-11-03 02:24:44,494 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2022-11-03 02:24:44,494 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-03 02:24:44,494 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-03 02:24:44,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 02:24:44,495 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 02:24:44,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:24:44,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:24:44,495 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2022-11-03 02:24:44,495 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2022-11-03 02:24:44,495 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2022-11-03 02:24:44,496 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2022-11-03 02:24:44,496 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_rf_writereg [2022-11-03 02:24:44,496 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_rf_writereg [2022-11-03 02:24:44,496 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-11-03 02:24:44,496 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-11-03 02:24:44,496 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_generic_frame_duration [2022-11-03 02:24:44,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_generic_frame_duration [2022-11-03 02:24:44,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-03 02:24:44,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-03 02:24:44,497 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2022-11-03 02:24:44,497 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2022-11-03 02:24:44,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-03 02:24:44,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-03 02:24:44,498 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 02:24:44,498 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 02:24:44,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_past_rtnl_lock [2022-11-03 02:24:44,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_past_rtnl_lock [2022-11-03 02:24:44,499 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2022-11-03 02:24:44,499 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2022-11-03 02:24:44,499 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2022-11-03 02:24:44,499 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2022-11-03 02:24:44,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 02:24:44,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 02:24:44,500 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2022-11-03 02:24:44,500 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2022-11-03 02:24:44,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 02:24:44,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 02:24:44,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-03 02:24:44,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-03 02:24:44,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:24:44,501 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2022-11-03 02:24:44,501 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2022-11-03 02:24:44,502 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2022-11-03 02:24:44,502 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2022-11-03 02:24:44,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 02:24:44,502 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2022-11-03 02:24:44,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2022-11-03 02:24:44,503 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 02:24:44,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 02:24:44,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 02:24:44,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-03 02:24:44,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-03 02:24:44,503 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 02:24:44,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 02:24:44,504 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2022-11-03 02:24:44,504 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2022-11-03 02:24:44,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 02:24:44,504 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 02:24:44,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-03 02:24:44,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-03 02:24:44,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-03 02:24:44,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-03 02:24:44,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 02:24:44,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 02:24:44,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_5 [2022-11-03 02:24:44,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_5 [2022-11-03 02:24:44,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_6 [2022-11-03 02:24:44,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_6 [2022-11-03 02:24:44,506 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-11-03 02:24:44,507 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-11-03 02:24:44,507 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2022-11-03 02:24:44,507 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2022-11-03 02:24:44,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-03 02:24:44,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-03 02:24:44,507 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2022-11-03 02:24:44,508 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2022-11-03 02:24:44,508 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-03 02:24:44,508 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-03 02:24:44,508 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-11-03 02:24:44,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-11-03 02:24:44,508 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2022-11-03 02:24:44,509 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2022-11-03 02:24:44,509 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:24:44,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:24:44,509 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 02:24:44,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 02:24:44,509 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_init [2022-11-03 02:24:44,567 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_init [2022-11-03 02:24:44,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-03 02:24:44,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-03 02:24:44,567 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam2 [2022-11-03 02:24:44,567 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam2 [2022-11-03 02:24:44,567 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2022-11-03 02:24:44,567 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2022-11-03 02:24:44,568 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2022-11-03 02:24:44,568 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2022-11-03 02:24:44,568 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_conf_basic_rates [2022-11-03 02:24:44,568 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_conf_basic_rates [2022-11-03 02:24:44,568 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2022-11-03 02:24:44,568 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2022-11-03 02:24:44,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 02:24:44,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 02:24:44,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 02:24:44,568 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2022-11-03 02:24:44,568 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2022-11-03 02:24:44,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-03 02:24:44,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-03 02:24:44,569 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-03 02:24:44,569 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-03 02:24:44,569 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2022-11-03 02:24:44,569 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2022-11-03 02:24:44,569 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2022-11-03 02:24:44,569 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2022-11-03 02:24:44,569 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-03 02:24:44,569 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-03 02:24:44,569 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_set_channel [2022-11-03 02:24:44,569 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_set_channel [2022-11-03 02:24:44,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_rtl8180_priv [2022-11-03 02:24:44,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_rtl8180_priv [2022-11-03 02:24:44,570 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_int_disable [2022-11-03 02:24:44,570 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_int_disable [2022-11-03 02:24:44,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_rtl8180_priv [2022-11-03 02:24:44,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_rtl8180_priv [2022-11-03 02:24:44,570 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2022-11-03 02:24:44,570 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2022-11-03 02:24:44,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:24:44,570 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-03 02:24:44,570 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-03 02:24:44,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-03 02:24:44,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-03 02:24:44,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-03 02:24:44,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-03 02:24:44,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 02:24:44,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 02:24:44,571 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2022-11-03 02:24:44,573 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2022-11-03 02:24:44,574 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-03 02:24:44,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-03 02:24:44,574 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-03 02:24:44,574 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-03 02:24:44,574 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2022-11-03 02:24:44,574 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2022-11-03 02:24:44,574 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_rx [2022-11-03 02:24:44,574 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_rx [2022-11-03 02:24:44,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-03 02:24:44,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-03 02:24:44,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-03 02:24:44,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-03 02:24:44,575 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2022-11-03 02:24:44,575 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2022-11-03 02:24:44,575 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-11-03 02:24:44,575 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-11-03 02:24:44,575 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2022-11-03 02:24:44,575 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2022-11-03 02:24:44,575 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-03 02:24:44,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-03 02:24:44,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-03 02:24:44,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-03 02:24:44,575 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-11-03 02:24:44,575 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-11-03 02:24:44,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 02:24:44,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 02:24:44,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-03 02:24:44,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-03 02:24:44,576 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-03 02:24:44,576 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-03 02:24:44,576 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2022-11-03 02:24:44,576 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2022-11-03 02:24:44,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:24:44,576 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2022-11-03 02:24:44,576 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2022-11-03 02:24:44,577 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_three_wire_io [2022-11-03 02:24:44,577 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_three_wire_io [2022-11-03 02:24:44,577 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2022-11-03 02:24:44,577 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2022-11-03 02:24:46,168 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:24:46,173 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:24:46,841 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 02:25:02,108 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:25:04,718 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:25:04,718 INFO L300 CfgBuilder]: Removed 78 assume(true) statements. [2022-11-03 02:25:04,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:25:04 BoogieIcfgContainer [2022-11-03 02:25:04,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:25:04,729 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:25:04,730 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:25:04,734 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:25:04,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:24:33" (1/3) ... [2022-11-03 02:25:04,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12fa7218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:25:04, skipping insertion in model container [2022-11-03 02:25:04,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:24:43" (2/3) ... [2022-11-03 02:25:04,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12fa7218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:25:04, skipping insertion in model container [2022-11-03 02:25:04,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:25:04" (3/3) ... [2022-11-03 02:25:04,748 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i [2022-11-03 02:25:04,772 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:25:04,773 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2022-11-03 02:25:04,943 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:25:04,953 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@34d5d3ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:25:04,953 INFO L358 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2022-11-03 02:25:04,974 INFO L276 IsEmpty]: Start isEmpty. Operand has 3499 states, 1710 states have (on average 1.2719298245614035) internal successors, (2175), 1910 states have internal predecessors, (2175), 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) [2022-11-03 02:25:04,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-03 02:25:04,988 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:25:04,989 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:25:04,989 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)] === [2022-11-03 02:25:04,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:25:04,996 INFO L85 PathProgramCache]: Analyzing trace with hash 2017626908, now seen corresponding path program 1 times [2022-11-03 02:25:05,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:25:05,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329104158] [2022-11-03 02:25:05,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:05,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:25:05,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:25:07,050 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:25:07,051 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:25:07,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329104158] [2022-11-03 02:25:07,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329104158] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:25:07,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:25:07,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:25:07,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645726702] [2022-11-03 02:25:07,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:25:07,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:25:07,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:25:07,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:25:07,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:25:07,119 INFO L87 Difference]: Start difference. First operand has 3499 states, 1710 states have (on average 1.2719298245614035) internal successors, (2175), 1910 states have internal predecessors, (2175), 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 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-03 02:25:10,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:25:13,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:25:14,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:25:14,833 INFO L93 Difference]: Finished difference Result 6762 states and 10782 transitions. [2022-11-03 02:25:14,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:25:14,836 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 47 [2022-11-03 02:25:14,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:25:14,912 INFO L225 Difference]: With dead ends: 6762 [2022-11-03 02:25:14,912 INFO L226 Difference]: Without dead ends: 3267 [2022-11-03 02:25:14,962 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:25:14,966 INFO L413 NwaCegarLoop]: 4670 mSDtfsCounter, 4995 mSDsluCounter, 5075 mSDsCounter, 0 mSdLazyCounter, 749 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5003 SdHoareTripleChecker+Valid, 9369 SdHoareTripleChecker+Invalid, 750 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 749 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:25:14,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5003 Valid, 9369 Invalid, 750 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 749 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2022-11-03 02:25:14,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3267 states. [2022-11-03 02:25:15,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3267 to 3263. [2022-11-03 02:25:15,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3263 states, 1478 states have (on average 1.2354533152909337) internal successors, (1826), 1599 states have internal predecessors, (1826), 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) [2022-11-03 02:25:15,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3263 states to 3263 states and 5020 transitions. [2022-11-03 02:25:15,694 INFO L78 Accepts]: Start accepts. Automaton has 3263 states and 5020 transitions. Word has length 47 [2022-11-03 02:25:15,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:25:15,695 INFO L495 AbstractCegarLoop]: Abstraction has 3263 states and 5020 transitions. [2022-11-03 02:25:15,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-03 02:25:15,696 INFO L276 IsEmpty]: Start isEmpty. Operand 3263 states and 5020 transitions. [2022-11-03 02:25:15,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-03 02:25:15,699 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:25:15,699 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:25:15,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:25:15,700 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)] === [2022-11-03 02:25:15,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:25:15,701 INFO L85 PathProgramCache]: Analyzing trace with hash -790522132, now seen corresponding path program 1 times [2022-11-03 02:25:15,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:25:15,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869826623] [2022-11-03 02:25:15,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:15,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:25:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:25:16,896 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:25:16,896 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:25:16,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869826623] [2022-11-03 02:25:16,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869826623] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:25:16,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:25:16,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:25:16,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804785275] [2022-11-03 02:25:16,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:25:16,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:25:16,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:25:16,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:25:16,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:25:16,901 INFO L87 Difference]: Start difference. First operand 3263 states and 5020 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-03 02:25:19,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:25:21,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:25:24,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:25:25,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:25:25,684 INFO L93 Difference]: Finished difference Result 3271 states and 5029 transitions. [2022-11-03 02:25:25,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:25:25,685 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 52 [2022-11-03 02:25:25,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:25:25,730 INFO L225 Difference]: With dead ends: 3271 [2022-11-03 02:25:25,730 INFO L226 Difference]: Without dead ends: 3269 [2022-11-03 02:25:25,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:25:25,737 INFO L413 NwaCegarLoop]: 4630 mSDtfsCounter, 4967 mSDsluCounter, 5013 mSDsCounter, 0 mSdLazyCounter, 739 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4974 SdHoareTripleChecker+Valid, 9273 SdHoareTripleChecker+Invalid, 741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 739 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:25:25,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4974 Valid, 9273 Invalid, 741 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 739 Invalid, 2 Unknown, 0 Unchecked, 8.3s Time] [2022-11-03 02:25:25,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3269 states. [2022-11-03 02:25:26,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3269 to 3267. [2022-11-03 02:25:26,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3267 states, 1480 states have (on average 1.2344594594594596) internal successors, (1827), 1600 states have internal predecessors, (1827), 1598 states have call successors, (1598), 163 states have call predecessors, (1598), 162 states have return successors, (1596), 1552 states have call predecessors, (1596), 1596 states have call successors, (1596) [2022-11-03 02:25:26,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3267 states to 3267 states and 5021 transitions. [2022-11-03 02:25:26,290 INFO L78 Accepts]: Start accepts. Automaton has 3267 states and 5021 transitions. Word has length 52 [2022-11-03 02:25:26,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:25:26,291 INFO L495 AbstractCegarLoop]: Abstraction has 3267 states and 5021 transitions. [2022-11-03 02:25:26,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-03 02:25:26,293 INFO L276 IsEmpty]: Start isEmpty. Operand 3267 states and 5021 transitions. [2022-11-03 02:25:26,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-03 02:25:26,305 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:25:26,306 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:25:26,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:25:26,307 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)] === [2022-11-03 02:25:26,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:25:26,319 INFO L85 PathProgramCache]: Analyzing trace with hash -1699844791, now seen corresponding path program 1 times [2022-11-03 02:25:26,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:25:26,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070385267] [2022-11-03 02:25:26,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:26,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:25:26,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:25:27,261 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:25:27,261 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:25:27,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070385267] [2022-11-03 02:25:27,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070385267] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:25:27,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:25:27,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:25:27,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713350028] [2022-11-03 02:25:27,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:25:27,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:25:27,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:25:27,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:25:27,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:25:27,265 INFO L87 Difference]: Start difference. First operand 3267 states and 5021 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-03 02:25:30,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:25:32,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:25:34,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:25:34,548 INFO L93 Difference]: Finished difference Result 3271 states and 5029 transitions. [2022-11-03 02:25:34,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:25:34,549 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 57 [2022-11-03 02:25:34,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:25:34,582 INFO L225 Difference]: With dead ends: 3271 [2022-11-03 02:25:34,582 INFO L226 Difference]: Without dead ends: 3269 [2022-11-03 02:25:34,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:25:34,588 INFO L413 NwaCegarLoop]: 4640 mSDtfsCounter, 4962 mSDsluCounter, 5042 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4970 SdHoareTripleChecker+Valid, 9307 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:25:34,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4970 Valid, 9307 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 747 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2022-11-03 02:25:34,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3269 states. [2022-11-03 02:25:34,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3269 to 3265. [2022-11-03 02:25:34,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3265 states, 1479 states have (on average 1.2339418526031103) internal successors, (1825), 1598 states have internal predecessors, (1825), 1598 states have call successors, (1598), 163 states have call predecessors, (1598), 162 states have return successors, (1596), 1552 states have call predecessors, (1596), 1596 states have call successors, (1596) [2022-11-03 02:25:34,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3265 states to 3265 states and 5019 transitions. [2022-11-03 02:25:34,937 INFO L78 Accepts]: Start accepts. Automaton has 3265 states and 5019 transitions. Word has length 57 [2022-11-03 02:25:34,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:25:34,940 INFO L495 AbstractCegarLoop]: Abstraction has 3265 states and 5019 transitions. [2022-11-03 02:25:34,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-03 02:25:34,941 INFO L276 IsEmpty]: Start isEmpty. Operand 3265 states and 5019 transitions. [2022-11-03 02:25:34,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-03 02:25:34,945 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:25:34,945 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:25:34,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:25:34,945 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)] === [2022-11-03 02:25:34,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:25:34,949 INFO L85 PathProgramCache]: Analyzing trace with hash -499271093, now seen corresponding path program 1 times [2022-11-03 02:25:34,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:25:34,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369538607] [2022-11-03 02:25:34,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:34,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:25:35,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:25:35,826 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:25:35,826 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:25:35,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369538607] [2022-11-03 02:25:35,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369538607] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:25:35,827 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:25:35,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:25:35,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298309293] [2022-11-03 02:25:35,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:25:35,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:25:35,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:25:35,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:25:35,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:25:35,829 INFO L87 Difference]: Start difference. First operand 3265 states and 5019 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-03 02:25:39,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:25:41,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:25:42,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:25:42,901 INFO L93 Difference]: Finished difference Result 3271 states and 5033 transitions. [2022-11-03 02:25:42,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:25:42,902 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 62 [2022-11-03 02:25:42,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:25:42,930 INFO L225 Difference]: With dead ends: 3271 [2022-11-03 02:25:42,930 INFO L226 Difference]: Without dead ends: 3269 [2022-11-03 02:25:42,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:25:42,935 INFO L413 NwaCegarLoop]: 4638 mSDtfsCounter, 4946 mSDsluCounter, 5054 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4959 SdHoareTripleChecker+Valid, 9316 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:25:42,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4959 Valid, 9316 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 747 Invalid, 2 Unknown, 0 Unchecked, 6.7s Time] [2022-11-03 02:25:42,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3269 states. [2022-11-03 02:25:43,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3269 to 3263. [2022-11-03 02:25:43,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3263 states, 1478 states have (on average 1.2334235453315292) internal successors, (1823), 1596 states have internal predecessors, (1823), 1598 states have call successors, (1598), 163 states have call predecessors, (1598), 162 states have return successors, (1596), 1552 states have call predecessors, (1596), 1596 states have call successors, (1596) [2022-11-03 02:25:43,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3263 states to 3263 states and 5017 transitions. [2022-11-03 02:25:43,310 INFO L78 Accepts]: Start accepts. Automaton has 3263 states and 5017 transitions. Word has length 62 [2022-11-03 02:25:43,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:25:43,311 INFO L495 AbstractCegarLoop]: Abstraction has 3263 states and 5017 transitions. [2022-11-03 02:25:43,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-03 02:25:43,311 INFO L276 IsEmpty]: Start isEmpty. Operand 3263 states and 5017 transitions. [2022-11-03 02:25:43,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-03 02:25:43,314 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:25:43,314 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:25:43,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:25:43,316 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)] === [2022-11-03 02:25:43,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:25:43,316 INFO L85 PathProgramCache]: Analyzing trace with hash 348144841, now seen corresponding path program 1 times [2022-11-03 02:25:43,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:25:43,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226414049] [2022-11-03 02:25:43,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:43,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:25:43,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:25:44,235 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:25:44,235 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:25:44,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226414049] [2022-11-03 02:25:44,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226414049] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:25:44,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:25:44,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:25:44,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621393171] [2022-11-03 02:25:44,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:25:44,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:25:44,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:25:44,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:25:44,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:25:44,239 INFO L87 Difference]: Start difference. First operand 3263 states and 5017 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-03 02:25:47,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:25:49,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:25:51,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:25:53,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:25:53,118 INFO L93 Difference]: Finished difference Result 3267 states and 5025 transitions. [2022-11-03 02:25:53,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:25:53,119 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 67 [2022-11-03 02:25:53,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:25:53,148 INFO L225 Difference]: With dead ends: 3267 [2022-11-03 02:25:53,148 INFO L226 Difference]: Without dead ends: 3265 [2022-11-03 02:25:53,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:25:53,152 INFO L413 NwaCegarLoop]: 4636 mSDtfsCounter, 4956 mSDsluCounter, 5038 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4964 SdHoareTripleChecker+Valid, 9299 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:25:53,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4964 Valid, 9299 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 746 Invalid, 2 Unknown, 0 Unchecked, 8.5s Time] [2022-11-03 02:25:53,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3265 states. [2022-11-03 02:25:53,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3265 to 3261. [2022-11-03 02:25:53,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3261 states, 1477 states have (on average 1.2329045362220719) internal successors, (1821), 1594 states have internal predecessors, (1821), 1598 states have call successors, (1598), 163 states have call predecessors, (1598), 162 states have return successors, (1596), 1552 states have call predecessors, (1596), 1596 states have call successors, (1596) [2022-11-03 02:25:53,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3261 states to 3261 states and 5015 transitions. [2022-11-03 02:25:53,553 INFO L78 Accepts]: Start accepts. Automaton has 3261 states and 5015 transitions. Word has length 67 [2022-11-03 02:25:53,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:25:53,553 INFO L495 AbstractCegarLoop]: Abstraction has 3261 states and 5015 transitions. [2022-11-03 02:25:53,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-03 02:25:53,554 INFO L276 IsEmpty]: Start isEmpty. Operand 3261 states and 5015 transitions. [2022-11-03 02:25:53,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-03 02:25:53,555 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:25:53,556 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:25:53,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 02:25:53,556 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)] === [2022-11-03 02:25:53,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:25:53,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1246343198, now seen corresponding path program 1 times [2022-11-03 02:25:53,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:25:53,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042513074] [2022-11-03 02:25:53,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:53,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:25:53,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:25:54,488 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:25:54,489 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:25:54,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042513074] [2022-11-03 02:25:54,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042513074] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:25:54,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:25:54,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:25:54,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479522928] [2022-11-03 02:25:54,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:25:54,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:25:54,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:25:54,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:25:54,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:25:54,492 INFO L87 Difference]: Start difference. First operand 3261 states and 5015 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-03 02:25:57,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:26:00,301 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 [] [2022-11-03 02:26:02,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:26:02,172 INFO L93 Difference]: Finished difference Result 3267 states and 5029 transitions. [2022-11-03 02:26:02,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:26:02,173 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 72 [2022-11-03 02:26:02,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:26:02,205 INFO L225 Difference]: With dead ends: 3267 [2022-11-03 02:26:02,206 INFO L226 Difference]: Without dead ends: 3265 [2022-11-03 02:26:02,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:26:02,211 INFO L413 NwaCegarLoop]: 4634 mSDtfsCounter, 4940 mSDsluCounter, 5050 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4953 SdHoareTripleChecker+Valid, 9308 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:26:02,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4953 Valid, 9308 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 747 Invalid, 2 Unknown, 0 Unchecked, 7.3s Time] [2022-11-03 02:26:02,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3265 states. [2022-11-03 02:26:02,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3265 to 3259. [2022-11-03 02:26:02,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3259 states, 1476 states have (on average 1.2323848238482384) internal successors, (1819), 1592 states have internal predecessors, (1819), 1598 states have call successors, (1598), 163 states have call predecessors, (1598), 162 states have return successors, (1596), 1552 states have call predecessors, (1596), 1596 states have call successors, (1596) [2022-11-03 02:26:02,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3259 states to 3259 states and 5013 transitions. [2022-11-03 02:26:02,731 INFO L78 Accepts]: Start accepts. Automaton has 3259 states and 5013 transitions. Word has length 72 [2022-11-03 02:26:02,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:26:02,731 INFO L495 AbstractCegarLoop]: Abstraction has 3259 states and 5013 transitions. [2022-11-03 02:26:02,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-03 02:26:02,732 INFO L276 IsEmpty]: Start isEmpty. Operand 3259 states and 5013 transitions. [2022-11-03 02:26:02,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-03 02:26:02,734 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:26:02,734 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:26:02,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 02:26:02,735 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)] === [2022-11-03 02:26:02,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:26:02,735 INFO L85 PathProgramCache]: Analyzing trace with hash -2092771624, now seen corresponding path program 1 times [2022-11-03 02:26:02,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:26:02,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500693686] [2022-11-03 02:26:02,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:26:02,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:26:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:26:03,418 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-03 02:26:03,419 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:26:03,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500693686] [2022-11-03 02:26:03,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500693686] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:26:03,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:26:03,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:26:03,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129099804] [2022-11-03 02:26:03,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:26:03,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:26:03,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:26:03,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:26:03,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:26:03,422 INFO L87 Difference]: Start difference. First operand 3259 states and 5013 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-03 02:26:06,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:26:08,754 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 [] [2022-11-03 02:26:09,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:26:09,637 INFO L93 Difference]: Finished difference Result 6502 states and 10008 transitions. [2022-11-03 02:26:09,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:26:09,638 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (13), 1 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 89 [2022-11-03 02:26:09,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:26:09,667 INFO L225 Difference]: With dead ends: 6502 [2022-11-03 02:26:09,667 INFO L226 Difference]: Without dead ends: 3261 [2022-11-03 02:26:09,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:26:09,697 INFO L413 NwaCegarLoop]: 4630 mSDtfsCounter, 4951 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4962 SdHoareTripleChecker+Valid, 4670 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:26:09,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4962 Valid, 4670 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 378 Invalid, 2 Unknown, 0 Unchecked, 5.8s Time] [2022-11-03 02:26:09,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3261 states. [2022-11-03 02:26:10,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3261 to 3255. [2022-11-03 02:26:10,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3255 states, 1473 states have (on average 1.231500339443313) internal successors, (1814), 1588 states have internal predecessors, (1814), 1598 states have call successors, (1598), 163 states have call predecessors, (1598), 162 states have return successors, (1596), 1552 states have call predecessors, (1596), 1596 states have call successors, (1596) [2022-11-03 02:26:10,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3255 states to 3255 states and 5008 transitions. [2022-11-03 02:26:10,337 INFO L78 Accepts]: Start accepts. Automaton has 3255 states and 5008 transitions. Word has length 89 [2022-11-03 02:26:10,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:26:10,338 INFO L495 AbstractCegarLoop]: Abstraction has 3255 states and 5008 transitions. [2022-11-03 02:26:10,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-03 02:26:10,339 INFO L276 IsEmpty]: Start isEmpty. Operand 3255 states and 5008 transitions. [2022-11-03 02:26:10,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-03 02:26:10,349 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:26:10,350 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:26:10,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 02:26:10,351 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)] === [2022-11-03 02:26:10,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:26:10,352 INFO L85 PathProgramCache]: Analyzing trace with hash -504718071, now seen corresponding path program 1 times [2022-11-03 02:26:10,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:26:10,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835669115] [2022-11-03 02:26:10,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:26:10,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:26:10,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:26:11,380 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:26:11,380 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:26:11,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835669115] [2022-11-03 02:26:11,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835669115] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:26:11,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:26:11,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:26:11,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618745674] [2022-11-03 02:26:11,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:26:11,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:26:11,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:26:11,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:26:11,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:26:11,384 INFO L87 Difference]: Start difference. First operand 3255 states and 5008 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-03 02:26:15,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:26:18,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:26:19,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:26:19,462 INFO L93 Difference]: Finished difference Result 3259 states and 5016 transitions. [2022-11-03 02:26:19,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:26:19,463 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 77 [2022-11-03 02:26:19,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:26:19,488 INFO L225 Difference]: With dead ends: 3259 [2022-11-03 02:26:19,489 INFO L226 Difference]: Without dead ends: 3257 [2022-11-03 02:26:19,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:26:19,493 INFO L413 NwaCegarLoop]: 4627 mSDtfsCounter, 4945 mSDsluCounter, 5029 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4953 SdHoareTripleChecker+Valid, 9281 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:26:19,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4953 Valid, 9281 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 747 Invalid, 1 Unknown, 0 Unchecked, 7.7s Time] [2022-11-03 02:26:19,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3257 states. [2022-11-03 02:26:19,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3257 to 3253. [2022-11-03 02:26:19,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3253 states, 1472 states have (on average 1.2309782608695652) internal successors, (1812), 1586 states have internal predecessors, (1812), 1598 states have call successors, (1598), 163 states have call predecessors, (1598), 162 states have return successors, (1596), 1552 states have call predecessors, (1596), 1596 states have call successors, (1596) [2022-11-03 02:26:19,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3253 states to 3253 states and 5006 transitions. [2022-11-03 02:26:19,933 INFO L78 Accepts]: Start accepts. Automaton has 3253 states and 5006 transitions. Word has length 77 [2022-11-03 02:26:19,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:26:19,934 INFO L495 AbstractCegarLoop]: Abstraction has 3253 states and 5006 transitions. [2022-11-03 02:26:19,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-03 02:26:19,934 INFO L276 IsEmpty]: Start isEmpty. Operand 3253 states and 5006 transitions. [2022-11-03 02:26:19,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-03 02:26:19,936 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:26:19,936 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 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] [2022-11-03 02:26:19,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 02:26:19,936 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)] === [2022-11-03 02:26:19,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:26:19,937 INFO L85 PathProgramCache]: Analyzing trace with hash 163880276, now seen corresponding path program 1 times [2022-11-03 02:26:19,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:26:19,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672699789] [2022-11-03 02:26:19,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:26:19,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:26:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:26:20,603 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-11-03 02:26:20,604 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:26:20,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672699789] [2022-11-03 02:26:20,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672699789] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:26:20,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [126902603] [2022-11-03 02:26:20,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:26:20,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:26:20,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:26:20,611 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:26:20,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:26:22,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:26:22,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 4581 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:26:22,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:26:22,625 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-03 02:26:22,626 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:26:22,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [126902603] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:26:22,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:26:22,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-11-03 02:26:22,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551608400] [2022-11-03 02:26:22,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:26:22,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:26:22,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:26:22,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:26:22,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:26:22,629 INFO L87 Difference]: Start difference. First operand 3253 states and 5006 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2022-11-03 02:26:25,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:26:27,818 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 [] [2022-11-03 02:26:29,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:26:29,159 INFO L93 Difference]: Finished difference Result 6490 states and 9994 transitions. [2022-11-03 02:26:29,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:26:29,159 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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 94 [2022-11-03 02:26:29,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:26:29,182 INFO L225 Difference]: With dead ends: 6490 [2022-11-03 02:26:29,182 INFO L226 Difference]: Without dead ends: 3255 [2022-11-03 02:26:29,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:26:29,206 INFO L413 NwaCegarLoop]: 4623 mSDtfsCounter, 4938 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4949 SdHoareTripleChecker+Valid, 4663 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:26:29,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4949 Valid, 4663 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 378 Invalid, 2 Unknown, 0 Unchecked, 6.2s Time] [2022-11-03 02:26:29,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3255 states. [2022-11-03 02:26:29,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3255 to 3249. [2022-11-03 02:26:29,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3249 states, 1469 states have (on average 1.2300884955752212) internal successors, (1807), 1582 states have internal predecessors, (1807), 1598 states have call successors, (1598), 163 states have call predecessors, (1598), 162 states have return successors, (1596), 1552 states have call predecessors, (1596), 1596 states have call successors, (1596) [2022-11-03 02:26:29,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3249 states to 3249 states and 5001 transitions. [2022-11-03 02:26:29,656 INFO L78 Accepts]: Start accepts. Automaton has 3249 states and 5001 transitions. Word has length 94 [2022-11-03 02:26:29,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:26:29,657 INFO L495 AbstractCegarLoop]: Abstraction has 3249 states and 5001 transitions. [2022-11-03 02:26:29,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2022-11-03 02:26:29,657 INFO L276 IsEmpty]: Start isEmpty. Operand 3249 states and 5001 transitions. [2022-11-03 02:26:29,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-03 02:26:29,661 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:26:29,661 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:26:29,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-03 02:26:29,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-03 02:26:29,875 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)] === [2022-11-03 02:26:29,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:26:29,876 INFO L85 PathProgramCache]: Analyzing trace with hash -2059130957, now seen corresponding path program 1 times [2022-11-03 02:26:29,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:26:29,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210736614] [2022-11-03 02:26:29,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:26:29,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:26:30,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:26:30,726 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:26:30,727 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:26:30,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210736614] [2022-11-03 02:26:30,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210736614] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:26:30,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:26:30,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:26:30,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982906742] [2022-11-03 02:26:30,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:26:30,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:26:30,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:26:30,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:26:30,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:26:30,729 INFO L87 Difference]: Start difference. First operand 3249 states and 5001 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 02:26:33,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:26:36,471 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 [] [2022-11-03 02:26:37,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:26:37,736 INFO L93 Difference]: Finished difference Result 3255 states and 5015 transitions. [2022-11-03 02:26:37,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:26:37,736 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 82 [2022-11-03 02:26:37,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:26:37,758 INFO L225 Difference]: With dead ends: 3255 [2022-11-03 02:26:37,758 INFO L226 Difference]: Without dead ends: 3253 [2022-11-03 02:26:37,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:26:37,763 INFO L413 NwaCegarLoop]: 4620 mSDtfsCounter, 4928 mSDsluCounter, 5032 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4941 SdHoareTripleChecker+Valid, 9276 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:26:37,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4941 Valid, 9276 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 747 Invalid, 2 Unknown, 0 Unchecked, 6.6s Time] [2022-11-03 02:26:37,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3253 states. [2022-11-03 02:26:38,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3253 to 3247. [2022-11-03 02:26:38,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3247 states, 1468 states have (on average 1.2295640326975477) internal successors, (1805), 1580 states have internal predecessors, (1805), 1598 states have call successors, (1598), 163 states have call predecessors, (1598), 162 states have return successors, (1596), 1552 states have call predecessors, (1596), 1596 states have call successors, (1596) [2022-11-03 02:26:38,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3247 states to 3247 states and 4999 transitions. [2022-11-03 02:26:38,251 INFO L78 Accepts]: Start accepts. Automaton has 3247 states and 4999 transitions. Word has length 82 [2022-11-03 02:26:38,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:26:38,252 INFO L495 AbstractCegarLoop]: Abstraction has 3247 states and 4999 transitions. [2022-11-03 02:26:38,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 02:26:38,252 INFO L276 IsEmpty]: Start isEmpty. Operand 3247 states and 4999 transitions. [2022-11-03 02:26:38,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-03 02:26:38,254 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:26:38,254 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:26:38,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-03 02:26:38,254 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)] === [2022-11-03 02:26:38,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:26:38,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1155240470, now seen corresponding path program 1 times [2022-11-03 02:26:38,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:26:38,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325822116] [2022-11-03 02:26:38,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:26:38,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:26:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:26:38,958 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:26:38,958 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:26:38,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325822116] [2022-11-03 02:26:38,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325822116] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:26:38,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:26:38,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:26:38,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501397884] [2022-11-03 02:26:38,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:26:38,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:26:38,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:26:38,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:26:38,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:26:38,962 INFO L87 Difference]: Start difference. First operand 3247 states and 4999 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 02:26:42,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:26:43,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:26:45,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:26:47,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:26:47,372 INFO L93 Difference]: Finished difference Result 3251 states and 5007 transitions. [2022-11-03 02:26:47,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:26:47,373 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 84 [2022-11-03 02:26:47,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:26:47,395 INFO L225 Difference]: With dead ends: 3251 [2022-11-03 02:26:47,395 INFO L226 Difference]: Without dead ends: 3249 [2022-11-03 02:26:47,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:26:47,399 INFO L413 NwaCegarLoop]: 4618 mSDtfsCounter, 4933 mSDsluCounter, 5020 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4941 SdHoareTripleChecker+Valid, 9263 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:26:47,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4941 Valid, 9263 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 747 Invalid, 1 Unknown, 0 Unchecked, 7.9s Time] [2022-11-03 02:26:47,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3249 states. [2022-11-03 02:26:47,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3249 to 3245. [2022-11-03 02:26:47,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3245 states, 1467 states have (on average 1.229038854805726) internal successors, (1803), 1578 states have internal predecessors, (1803), 1598 states have call successors, (1598), 163 states have call predecessors, (1598), 162 states have return successors, (1596), 1552 states have call predecessors, (1596), 1596 states have call successors, (1596) [2022-11-03 02:26:47,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3245 states to 3245 states and 4997 transitions. [2022-11-03 02:26:47,907 INFO L78 Accepts]: Start accepts. Automaton has 3245 states and 4997 transitions. Word has length 84 [2022-11-03 02:26:47,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:26:47,908 INFO L495 AbstractCegarLoop]: Abstraction has 3245 states and 4997 transitions. [2022-11-03 02:26:47,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 02:26:47,908 INFO L276 IsEmpty]: Start isEmpty. Operand 3245 states and 4997 transitions. [2022-11-03 02:26:47,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-03 02:26:47,910 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:26:47,910 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:26:47,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-03 02:26:47,911 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)] === [2022-11-03 02:26:47,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:26:47,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1196819850, now seen corresponding path program 1 times [2022-11-03 02:26:47,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:26:47,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415033687] [2022-11-03 02:26:47,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:26:47,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:26:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:26:48,580 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:26:48,580 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:26:48,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415033687] [2022-11-03 02:26:48,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415033687] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:26:48,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:26:48,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:26:48,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934209553] [2022-11-03 02:26:48,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:26:48,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:26:48,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:26:48,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:26:48,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:26:48,583 INFO L87 Difference]: Start difference. First operand 3245 states and 4997 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 02:26:51,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:26:54,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:26:55,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:26:55,463 INFO L93 Difference]: Finished difference Result 3251 states and 5011 transitions. [2022-11-03 02:26:55,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:26:55,463 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 89 [2022-11-03 02:26:55,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:26:55,483 INFO L225 Difference]: With dead ends: 3251 [2022-11-03 02:26:55,483 INFO L226 Difference]: Without dead ends: 3249 [2022-11-03 02:26:55,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:26:55,487 INFO L413 NwaCegarLoop]: 4616 mSDtfsCounter, 4919 mSDsluCounter, 5032 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4932 SdHoareTripleChecker+Valid, 9272 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:26:55,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4932 Valid, 9272 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 747 Invalid, 2 Unknown, 0 Unchecked, 6.4s Time] [2022-11-03 02:26:55,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3249 states. [2022-11-03 02:26:55,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3249 to 3243. [2022-11-03 02:26:55,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3243 states, 1466 states have (on average 1.228512960436562) internal successors, (1801), 1576 states have internal predecessors, (1801), 1598 states have call successors, (1598), 163 states have call predecessors, (1598), 162 states have return successors, (1596), 1552 states have call predecessors, (1596), 1596 states have call successors, (1596) [2022-11-03 02:26:55,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3243 states to 3243 states and 4995 transitions. [2022-11-03 02:26:55,991 INFO L78 Accepts]: Start accepts. Automaton has 3243 states and 4995 transitions. Word has length 89 [2022-11-03 02:26:55,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:26:55,992 INFO L495 AbstractCegarLoop]: Abstraction has 3243 states and 4995 transitions. [2022-11-03 02:26:55,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 02:26:55,992 INFO L276 IsEmpty]: Start isEmpty. Operand 3243 states and 4995 transitions. [2022-11-03 02:26:55,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-03 02:26:55,994 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:26:55,995 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:26:55,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-03 02:26:55,995 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)] === [2022-11-03 02:26:55,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:26:55,996 INFO L85 PathProgramCache]: Analyzing trace with hash -395774035, now seen corresponding path program 1 times [2022-11-03 02:26:55,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:26:55,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110941218] [2022-11-03 02:26:55,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:26:55,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:26:56,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:26:56,654 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:26:56,654 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:26:56,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110941218] [2022-11-03 02:26:56,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110941218] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:26:56,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:26:56,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:26:56,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607299538] [2022-11-03 02:26:56,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:26:56,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:26:56,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:26:56,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:26:56,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:26:56,657 INFO L87 Difference]: Start difference. First operand 3243 states and 4995 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-03 02:26:59,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:27:02,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:27:04,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:27:04,981 INFO L93 Difference]: Finished difference Result 3249 states and 5009 transitions. [2022-11-03 02:27:04,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:27:04,981 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 94 [2022-11-03 02:27:04,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:27:04,997 INFO L225 Difference]: With dead ends: 3249 [2022-11-03 02:27:04,997 INFO L226 Difference]: Without dead ends: 3247 [2022-11-03 02:27:05,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:27:05,001 INFO L413 NwaCegarLoop]: 4614 mSDtfsCounter, 4916 mSDsluCounter, 5030 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4929 SdHoareTripleChecker+Valid, 9268 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:27:05,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4929 Valid, 9268 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 747 Invalid, 2 Unknown, 0 Unchecked, 7.8s Time] [2022-11-03 02:27:05,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3247 states. [2022-11-03 02:27:05,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3247 to 3241. [2022-11-03 02:27:05,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3241 states, 1465 states have (on average 1.227986348122867) internal successors, (1799), 1574 states have internal predecessors, (1799), 1598 states have call successors, (1598), 163 states have call predecessors, (1598), 162 states have return successors, (1596), 1552 states have call predecessors, (1596), 1596 states have call successors, (1596) [2022-11-03 02:27:05,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3241 states to 3241 states and 4993 transitions. [2022-11-03 02:27:05,530 INFO L78 Accepts]: Start accepts. Automaton has 3241 states and 4993 transitions. Word has length 94 [2022-11-03 02:27:05,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:27:05,530 INFO L495 AbstractCegarLoop]: Abstraction has 3241 states and 4993 transitions. [2022-11-03 02:27:05,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-03 02:27:05,531 INFO L276 IsEmpty]: Start isEmpty. Operand 3241 states and 4993 transitions. [2022-11-03 02:27:05,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-03 02:27:05,533 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:27:05,533 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:27:05,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-03 02:27:05,533 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)] === [2022-11-03 02:27:05,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:27:05,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1471103178, now seen corresponding path program 1 times [2022-11-03 02:27:05,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:27:05,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742054937] [2022-11-03 02:27:05,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:27:05,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:27:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:27:06,237 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:27:06,237 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:27:06,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742054937] [2022-11-03 02:27:06,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742054937] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:27:06,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:27:06,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:27:06,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195697643] [2022-11-03 02:27:06,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:27:06,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:27:06,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:27:06,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:27:06,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:27:06,240 INFO L87 Difference]: Start difference. First operand 3241 states and 4993 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-03 02:27:09,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:27:12,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:27:13,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:27:13,560 INFO L93 Difference]: Finished difference Result 3247 states and 5007 transitions. [2022-11-03 02:27:13,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:27:13,560 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 99 [2022-11-03 02:27:13,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:27:13,573 INFO L225 Difference]: With dead ends: 3247 [2022-11-03 02:27:13,573 INFO L226 Difference]: Without dead ends: 3245 [2022-11-03 02:27:13,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:27:13,576 INFO L413 NwaCegarLoop]: 4612 mSDtfsCounter, 4913 mSDsluCounter, 5028 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4926 SdHoareTripleChecker+Valid, 9264 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:27:13,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4926 Valid, 9264 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 747 Invalid, 2 Unknown, 0 Unchecked, 6.8s Time] [2022-11-03 02:27:13,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3245 states. [2022-11-03 02:27:14,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3245 to 3239. [2022-11-03 02:27:14,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3239 states, 1464 states have (on average 1.2274590163934427) internal successors, (1797), 1572 states have internal predecessors, (1797), 1598 states have call successors, (1598), 163 states have call predecessors, (1598), 162 states have return successors, (1596), 1552 states have call predecessors, (1596), 1596 states have call successors, (1596) [2022-11-03 02:27:14,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3239 states to 3239 states and 4991 transitions. [2022-11-03 02:27:14,087 INFO L78 Accepts]: Start accepts. Automaton has 3239 states and 4991 transitions. Word has length 99 [2022-11-03 02:27:14,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:27:14,087 INFO L495 AbstractCegarLoop]: Abstraction has 3239 states and 4991 transitions. [2022-11-03 02:27:14,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-03 02:27:14,088 INFO L276 IsEmpty]: Start isEmpty. Operand 3239 states and 4991 transitions. [2022-11-03 02:27:14,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-03 02:27:14,090 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:27:14,090 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:27:14,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-03 02:27:14,091 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)] === [2022-11-03 02:27:14,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:27:14,091 INFO L85 PathProgramCache]: Analyzing trace with hash -473610336, now seen corresponding path program 1 times [2022-11-03 02:27:14,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:27:14,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998735885] [2022-11-03 02:27:14,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:27:14,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:27:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:27:14,779 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:27:14,779 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:27:14,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998735885] [2022-11-03 02:27:14,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998735885] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:27:14,780 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:27:14,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:27:14,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507497846] [2022-11-03 02:27:14,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:27:14,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:27:14,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:27:14,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:27:14,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:27:14,785 INFO L87 Difference]: Start difference. First operand 3239 states and 4991 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-03 02:27:18,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:27:20,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:27:22,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:27:22,307 INFO L93 Difference]: Finished difference Result 3245 states and 5005 transitions. [2022-11-03 02:27:22,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:27:22,308 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 104 [2022-11-03 02:27:22,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:27:22,323 INFO L225 Difference]: With dead ends: 3245 [2022-11-03 02:27:22,323 INFO L226 Difference]: Without dead ends: 3243 [2022-11-03 02:27:22,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:27:22,327 INFO L413 NwaCegarLoop]: 4610 mSDtfsCounter, 4910 mSDsluCounter, 5026 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4923 SdHoareTripleChecker+Valid, 9260 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:27:22,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4923 Valid, 9260 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 747 Invalid, 2 Unknown, 0 Unchecked, 7.0s Time] [2022-11-03 02:27:22,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3243 states. [2022-11-03 02:27:22,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3243 to 3237. [2022-11-03 02:27:22,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3237 states, 1463 states have (on average 1.226930963773069) internal successors, (1795), 1570 states have internal predecessors, (1795), 1598 states have call successors, (1598), 163 states have call predecessors, (1598), 162 states have return successors, (1596), 1552 states have call predecessors, (1596), 1596 states have call successors, (1596) [2022-11-03 02:27:22,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3237 states to 3237 states and 4989 transitions. [2022-11-03 02:27:22,736 INFO L78 Accepts]: Start accepts. Automaton has 3237 states and 4989 transitions. Word has length 104 [2022-11-03 02:27:22,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:27:22,736 INFO L495 AbstractCegarLoop]: Abstraction has 3237 states and 4989 transitions. [2022-11-03 02:27:22,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-03 02:27:22,737 INFO L276 IsEmpty]: Start isEmpty. Operand 3237 states and 4989 transitions. [2022-11-03 02:27:22,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-03 02:27:22,739 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:27:22,739 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:27:22,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-03 02:27:22,740 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)] === [2022-11-03 02:27:22,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:27:22,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1454225211, now seen corresponding path program 1 times [2022-11-03 02:27:22,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:27:22,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277911016] [2022-11-03 02:27:22,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:27:22,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:27:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:27:23,414 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:27:23,414 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:27:23,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277911016] [2022-11-03 02:27:23,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277911016] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:27:23,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:27:23,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:27:23,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828903901] [2022-11-03 02:27:23,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:27:23,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:27:23,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:27:23,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:27:23,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:27:23,417 INFO L87 Difference]: Start difference. First operand 3237 states and 4989 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-03 02:27:26,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:27:29,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:27:30,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:27:30,833 INFO L93 Difference]: Finished difference Result 3243 states and 5003 transitions. [2022-11-03 02:27:30,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:27:30,835 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 109 [2022-11-03 02:27:30,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:27:30,853 INFO L225 Difference]: With dead ends: 3243 [2022-11-03 02:27:30,853 INFO L226 Difference]: Without dead ends: 3241 [2022-11-03 02:27:30,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:27:30,857 INFO L413 NwaCegarLoop]: 4608 mSDtfsCounter, 4907 mSDsluCounter, 5024 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4920 SdHoareTripleChecker+Valid, 9256 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:27:30,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4920 Valid, 9256 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 747 Invalid, 2 Unknown, 0 Unchecked, 6.9s Time] [2022-11-03 02:27:30,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3241 states. [2022-11-03 02:27:31,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3241 to 3235. [2022-11-03 02:27:31,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3235 states, 1462 states have (on average 1.2264021887824896) internal successors, (1793), 1568 states have internal predecessors, (1793), 1598 states have call successors, (1598), 163 states have call predecessors, (1598), 162 states have return successors, (1596), 1552 states have call predecessors, (1596), 1596 states have call successors, (1596) [2022-11-03 02:27:31,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3235 states to 3235 states and 4987 transitions. [2022-11-03 02:27:31,422 INFO L78 Accepts]: Start accepts. Automaton has 3235 states and 4987 transitions. Word has length 109 [2022-11-03 02:27:31,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:27:31,422 INFO L495 AbstractCegarLoop]: Abstraction has 3235 states and 4987 transitions. [2022-11-03 02:27:31,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-03 02:27:31,423 INFO L276 IsEmpty]: Start isEmpty. Operand 3235 states and 4987 transitions. [2022-11-03 02:27:31,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-03 02:27:31,426 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:27:31,426 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:27:31,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-03 02:27:31,426 INFO L420 AbstractCegarLoop]: === Iteration 17 === 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)] === [2022-11-03 02:27:31,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:27:31,427 INFO L85 PathProgramCache]: Analyzing trace with hash 440053965, now seen corresponding path program 1 times [2022-11-03 02:27:31,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:27:31,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293911541] [2022-11-03 02:27:31,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:27:31,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:27:31,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:27:32,612 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2022-11-03 02:27:32,612 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:27:32,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293911541] [2022-11-03 02:27:32,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293911541] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:27:32,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:27:32,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:27:32,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053259885] [2022-11-03 02:27:32,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:27:32,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:27:32,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:27:32,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:27:32,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:27:32,616 INFO L87 Difference]: Start difference. First operand 3235 states and 4987 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-03 02:27:36,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:27:39,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:27:41,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:27:41,385 INFO L93 Difference]: Finished difference Result 5459 states and 8504 transitions. [2022-11-03 02:27:41,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:27:41,386 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (23), 3 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 131 [2022-11-03 02:27:41,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:27:41,421 INFO L225 Difference]: With dead ends: 5459 [2022-11-03 02:27:41,421 INFO L226 Difference]: Without dead ends: 5457 [2022-11-03 02:27:41,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:27:41,425 INFO L413 NwaCegarLoop]: 5862 mSDtfsCounter, 4850 mSDsluCounter, 16042 mSDsCounter, 0 mSdLazyCounter, 1310 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4862 SdHoareTripleChecker+Valid, 20986 SdHoareTripleChecker+Invalid, 1314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1310 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:27:41,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4862 Valid, 20986 Invalid, 1314 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1310 Invalid, 2 Unknown, 0 Unchecked, 7.6s Time] [2022-11-03 02:27:41,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5457 states. [2022-11-03 02:27:42,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5457 to 5434. [2022-11-03 02:27:42,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5434 states, 2341 states have (on average 1.2093122597180692) internal successors, (2831), 2508 states have internal predecessors, (2831), 2814 states have call successors, (2814), 268 states have call predecessors, (2814), 266 states have return successors, (2828), 2738 states have call predecessors, (2828), 2812 states have call successors, (2828) [2022-11-03 02:27:42,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5434 states to 5434 states and 8473 transitions. [2022-11-03 02:27:42,614 INFO L78 Accepts]: Start accepts. Automaton has 5434 states and 8473 transitions. Word has length 131 [2022-11-03 02:27:42,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:27:42,614 INFO L495 AbstractCegarLoop]: Abstraction has 5434 states and 8473 transitions. [2022-11-03 02:27:42,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-03 02:27:42,615 INFO L276 IsEmpty]: Start isEmpty. Operand 5434 states and 8473 transitions. [2022-11-03 02:27:42,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-03 02:27:42,617 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:27:42,617 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:27:42,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-03 02:27:42,618 INFO L420 AbstractCegarLoop]: === Iteration 18 === 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)] === [2022-11-03 02:27:42,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:27:42,618 INFO L85 PathProgramCache]: Analyzing trace with hash 327756540, now seen corresponding path program 1 times [2022-11-03 02:27:42,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:27:42,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041876123] [2022-11-03 02:27:42,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:27:42,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:27:42,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:27:43,532 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:27:43,533 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:27:43,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041876123] [2022-11-03 02:27:43,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041876123] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:27:43,533 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:27:43,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:27:43,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766485430] [2022-11-03 02:27:43,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:27:43,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:27:43,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:27:43,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:27:43,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:27:43,537 INFO L87 Difference]: Start difference. First operand 5434 states and 8473 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-03 02:27:46,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:27:48,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:27:50,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:27:52,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:27:52,145 INFO L93 Difference]: Finished difference Result 5438 states and 8476 transitions. [2022-11-03 02:27:52,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:27:52,145 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 114 [2022-11-03 02:27:52,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:27:52,181 INFO L225 Difference]: With dead ends: 5438 [2022-11-03 02:27:52,181 INFO L226 Difference]: Without dead ends: 5436 [2022-11-03 02:27:52,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:27:52,189 INFO L413 NwaCegarLoop]: 4606 mSDtfsCounter, 4917 mSDsluCounter, 5008 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4925 SdHoareTripleChecker+Valid, 9239 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:27:52,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4925 Valid, 9239 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 747 Invalid, 1 Unknown, 0 Unchecked, 7.7s Time] [2022-11-03 02:27:52,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5436 states. [2022-11-03 02:27:53,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5436 to 5434. [2022-11-03 02:27:53,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5434 states, 2341 states have (on average 1.2088850918410936) internal successors, (2830), 2508 states have internal predecessors, (2830), 2814 states have call successors, (2814), 268 states have call predecessors, (2814), 267 states have return successors, (2829), 2738 states have call predecessors, (2829), 2812 states have call successors, (2829) [2022-11-03 02:27:53,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5434 states to 5434 states and 8473 transitions. [2022-11-03 02:27:53,057 INFO L78 Accepts]: Start accepts. Automaton has 5434 states and 8473 transitions. Word has length 114 [2022-11-03 02:27:53,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:27:53,057 INFO L495 AbstractCegarLoop]: Abstraction has 5434 states and 8473 transitions. [2022-11-03 02:27:53,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-03 02:27:53,058 INFO L276 IsEmpty]: Start isEmpty. Operand 5434 states and 8473 transitions. [2022-11-03 02:27:53,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-03 02:27:53,061 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:27:53,061 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:27:53,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-03 02:27:53,061 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)] === [2022-11-03 02:27:53,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:27:53,062 INFO L85 PathProgramCache]: Analyzing trace with hash -948211892, now seen corresponding path program 1 times [2022-11-03 02:27:53,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:27:53,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860806738] [2022-11-03 02:27:53,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:27:53,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:27:53,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:27:54,177 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:27:54,177 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:27:54,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860806738] [2022-11-03 02:27:54,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860806738] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:27:54,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:27:54,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:27:54,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496565136] [2022-11-03 02:27:54,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:27:54,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:27:54,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:27:54,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:27:54,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:27:54,181 INFO L87 Difference]: Start difference. First operand 5434 states and 8473 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-03 02:27:57,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:27:59,906 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 [] [2022-11-03 02:28:01,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:28:01,843 INFO L93 Difference]: Finished difference Result 5438 states and 8480 transitions. [2022-11-03 02:28:01,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:28:01,844 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 119 [2022-11-03 02:28:01,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:28:01,859 INFO L225 Difference]: With dead ends: 5438 [2022-11-03 02:28:01,859 INFO L226 Difference]: Without dead ends: 5436 [2022-11-03 02:28:01,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:28:01,863 INFO L413 NwaCegarLoop]: 4604 mSDtfsCounter, 4901 mSDsluCounter, 5020 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4914 SdHoareTripleChecker+Valid, 9248 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:28:01,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4914 Valid, 9248 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 747 Invalid, 2 Unknown, 0 Unchecked, 6.7s Time] [2022-11-03 02:28:01,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5436 states. [2022-11-03 02:28:02,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5436 to 5432. [2022-11-03 02:28:02,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5432 states, 2340 states have (on average 1.2085470085470085) internal successors, (2828), 2506 states have internal predecessors, (2828), 2814 states have call successors, (2814), 268 states have call predecessors, (2814), 267 states have return successors, (2829), 2738 states have call predecessors, (2829), 2812 states have call successors, (2829) [2022-11-03 02:28:02,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5432 states to 5432 states and 8471 transitions. [2022-11-03 02:28:02,842 INFO L78 Accepts]: Start accepts. Automaton has 5432 states and 8471 transitions. Word has length 119 [2022-11-03 02:28:02,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:28:02,843 INFO L495 AbstractCegarLoop]: Abstraction has 5432 states and 8471 transitions. [2022-11-03 02:28:02,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-03 02:28:02,844 INFO L276 IsEmpty]: Start isEmpty. Operand 5432 states and 8471 transitions. [2022-11-03 02:28:02,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-11-03 02:28:02,846 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:28:02,846 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:28:02,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-03 02:28:02,847 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)] === [2022-11-03 02:28:02,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:28:02,848 INFO L85 PathProgramCache]: Analyzing trace with hash 410155134, now seen corresponding path program 1 times [2022-11-03 02:28:02,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:28:02,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751406145] [2022-11-03 02:28:02,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:28:02,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:28:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:28:03,768 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2022-11-03 02:28:03,769 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:28:03,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751406145] [2022-11-03 02:28:03,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751406145] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:28:03,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:28:03,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:28:03,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863834167] [2022-11-03 02:28:03,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:28:03,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:28:03,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:28:03,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:28:03,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:28:03,772 INFO L87 Difference]: Start difference. First operand 5432 states and 8471 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-03 02:28:07,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:28:10,107 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 [] [2022-11-03 02:28:14,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:28:14,162 INFO L93 Difference]: Finished difference Result 5453 states and 8494 transitions. [2022-11-03 02:28:14,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:28:14,163 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 138 [2022-11-03 02:28:14,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:28:14,187 INFO L225 Difference]: With dead ends: 5453 [2022-11-03 02:28:14,187 INFO L226 Difference]: Without dead ends: 5451 [2022-11-03 02:28:14,190 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:28:14,191 INFO L413 NwaCegarLoop]: 7887 mSDtfsCounter, 3542 mSDsluCounter, 13327 mSDsCounter, 0 mSdLazyCounter, 1431 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3543 SdHoareTripleChecker+Valid, 20321 SdHoareTripleChecker+Invalid, 1434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1431 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:28:14,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3543 Valid, 20321 Invalid, 1434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1431 Invalid, 2 Unknown, 0 Unchecked, 9.3s Time] [2022-11-03 02:28:14,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5451 states. [2022-11-03 02:28:15,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5451 to 5440. [2022-11-03 02:28:15,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5440 states, 2342 states have (on average 1.2083689154568744) internal successors, (2830), 2507 states have internal predecessors, (2830), 2820 states have call successors, (2820), 269 states have call predecessors, (2820), 267 states have return successors, (2835), 2744 states have call predecessors, (2835), 2818 states have call successors, (2835) [2022-11-03 02:28:15,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5440 states to 5440 states and 8485 transitions. [2022-11-03 02:28:15,144 INFO L78 Accepts]: Start accepts. Automaton has 5440 states and 8485 transitions. Word has length 138 [2022-11-03 02:28:15,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:28:15,144 INFO L495 AbstractCegarLoop]: Abstraction has 5440 states and 8485 transitions. [2022-11-03 02:28:15,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-03 02:28:15,144 INFO L276 IsEmpty]: Start isEmpty. Operand 5440 states and 8485 transitions. [2022-11-03 02:28:15,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-03 02:28:15,146 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:28:15,146 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:28:15,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-03 02:28:15,146 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)] === [2022-11-03 02:28:15,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:28:15,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1885007451, now seen corresponding path program 1 times [2022-11-03 02:28:15,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:28:15,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533699549] [2022-11-03 02:28:15,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:28:15,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:28:15,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:28:15,800 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:28:15,800 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:28:15,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533699549] [2022-11-03 02:28:15,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533699549] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:28:15,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:28:15,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:28:15,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871689190] [2022-11-03 02:28:15,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:28:15,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:28:15,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:28:15,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:28:15,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:28:15,805 INFO L87 Difference]: Start difference. First operand 5440 states and 8485 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-03 02:28:18,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:28:20,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:28:23,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:28:27,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:28:29,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:28:30,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:28:30,290 INFO L93 Difference]: Finished difference Result 5481 states and 8524 transitions. [2022-11-03 02:28:30,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:28:30,291 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 124 [2022-11-03 02:28:30,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:28:30,313 INFO L225 Difference]: With dead ends: 5481 [2022-11-03 02:28:30,314 INFO L226 Difference]: Without dead ends: 5479 [2022-11-03 02:28:30,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:28:30,318 INFO L413 NwaCegarLoop]: 5851 mSDtfsCounter, 4880 mSDsluCounter, 9782 mSDsCounter, 0 mSdLazyCounter, 922 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4882 SdHoareTripleChecker+Valid, 15089 SdHoareTripleChecker+Invalid, 926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 922 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:28:30,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4882 Valid, 15089 Invalid, 926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 922 Invalid, 3 Unknown, 0 Unchecked, 13.4s Time] [2022-11-03 02:28:30,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5479 states. [2022-11-03 02:28:31,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5479 to 5465. [2022-11-03 02:28:31,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5465 states, 2356 states have (on average 1.2075551782682512) internal successors, (2845), 2518 states have internal predecessors, (2845), 2827 states have call successors, (2827), 275 states have call predecessors, (2827), 272 states have return successors, (2835), 2752 states have call predecessors, (2835), 2825 states have call successors, (2835) [2022-11-03 02:28:31,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5465 states to 5465 states and 8507 transitions. [2022-11-03 02:28:31,170 INFO L78 Accepts]: Start accepts. Automaton has 5465 states and 8507 transitions. Word has length 124 [2022-11-03 02:28:31,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:28:31,170 INFO L495 AbstractCegarLoop]: Abstraction has 5465 states and 8507 transitions. [2022-11-03 02:28:31,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-03 02:28:31,170 INFO L276 IsEmpty]: Start isEmpty. Operand 5465 states and 8507 transitions. [2022-11-03 02:28:31,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-03 02:28:31,172 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:28:31,172 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:28:31,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-03 02:28:31,173 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)] === [2022-11-03 02:28:31,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:28:31,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1651400156, now seen corresponding path program 1 times [2022-11-03 02:28:31,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:28:31,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314290431] [2022-11-03 02:28:31,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:28:31,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:28:31,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:28:31,767 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:28:31,768 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:28:31,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314290431] [2022-11-03 02:28:31,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314290431] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:28:31,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:28:31,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:28:31,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926883471] [2022-11-03 02:28:31,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:28:31,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:28:31,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:28:31,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:28:31,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:28:31,771 INFO L87 Difference]: Start difference. First operand 5465 states and 8507 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-03 02:28:35,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:28:37,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:28:39,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:28:39,964 INFO L93 Difference]: Finished difference Result 5471 states and 8517 transitions. [2022-11-03 02:28:39,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:28:39,966 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 129 [2022-11-03 02:28:39,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:28:39,996 INFO L225 Difference]: With dead ends: 5471 [2022-11-03 02:28:39,996 INFO L226 Difference]: Without dead ends: 5469 [2022-11-03 02:28:40,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:28:40,000 INFO L413 NwaCegarLoop]: 4600 mSDtfsCounter, 4908 mSDsluCounter, 5002 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4916 SdHoareTripleChecker+Valid, 9227 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:28:40,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4916 Valid, 9227 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 746 Invalid, 2 Unknown, 0 Unchecked, 7.2s Time] [2022-11-03 02:28:40,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5469 states. [2022-11-03 02:28:40,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5469 to 5463. [2022-11-03 02:28:40,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5463 states, 2355 states have (on average 1.2072186836518046) internal successors, (2843), 2516 states have internal predecessors, (2843), 2827 states have call successors, (2827), 275 states have call predecessors, (2827), 272 states have return successors, (2835), 2752 states have call predecessors, (2835), 2825 states have call successors, (2835) [2022-11-03 02:28:40,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5463 states to 5463 states and 8505 transitions. [2022-11-03 02:28:40,887 INFO L78 Accepts]: Start accepts. Automaton has 5463 states and 8505 transitions. Word has length 129 [2022-11-03 02:28:40,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:28:40,888 INFO L495 AbstractCegarLoop]: Abstraction has 5463 states and 8505 transitions. [2022-11-03 02:28:40,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-03 02:28:40,888 INFO L276 IsEmpty]: Start isEmpty. Operand 5463 states and 8505 transitions. [2022-11-03 02:28:40,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-03 02:28:40,890 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:28:40,891 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:28:40,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-03 02:28:40,891 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)] === [2022-11-03 02:28:40,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:28:40,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1683594942, now seen corresponding path program 1 times [2022-11-03 02:28:40,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:28:40,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895581391] [2022-11-03 02:28:40,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:28:40,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:28:41,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:28:41,478 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:28:41,479 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:28:41,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895581391] [2022-11-03 02:28:41,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895581391] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:28:41,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:28:41,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:28:41,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186804585] [2022-11-03 02:28:41,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:28:41,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:28:41,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:28:41,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:28:41,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:28:41,481 INFO L87 Difference]: Start difference. First operand 5463 states and 8505 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-03 02:28:44,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:28:47,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:28:49,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:28:49,637 INFO L93 Difference]: Finished difference Result 5469 states and 8515 transitions. [2022-11-03 02:28:49,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:28:49,637 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 134 [2022-11-03 02:28:49,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:28:49,657 INFO L225 Difference]: With dead ends: 5469 [2022-11-03 02:28:49,657 INFO L226 Difference]: Without dead ends: 5467 [2022-11-03 02:28:49,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:28:49,661 INFO L413 NwaCegarLoop]: 4598 mSDtfsCounter, 4905 mSDsluCounter, 5000 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4913 SdHoareTripleChecker+Valid, 9223 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:28:49,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4913 Valid, 9223 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 746 Invalid, 2 Unknown, 0 Unchecked, 7.2s Time] [2022-11-03 02:28:49,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5467 states. [2022-11-03 02:28:50,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5467 to 5461. [2022-11-03 02:28:50,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5461 states, 2354 states have (on average 1.2068819031435853) internal successors, (2841), 2514 states have internal predecessors, (2841), 2827 states have call successors, (2827), 275 states have call predecessors, (2827), 272 states have return successors, (2835), 2752 states have call predecessors, (2835), 2825 states have call successors, (2835) [2022-11-03 02:28:50,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5461 states to 5461 states and 8503 transitions. [2022-11-03 02:28:50,466 INFO L78 Accepts]: Start accepts. Automaton has 5461 states and 8503 transitions. Word has length 134 [2022-11-03 02:28:50,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:28:50,467 INFO L495 AbstractCegarLoop]: Abstraction has 5461 states and 8503 transitions. [2022-11-03 02:28:50,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-03 02:28:50,467 INFO L276 IsEmpty]: Start isEmpty. Operand 5461 states and 8503 transitions. [2022-11-03 02:28:50,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-11-03 02:28:50,470 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:28:50,471 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-03 02:28:50,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-03 02:28:50,471 INFO L420 AbstractCegarLoop]: === Iteration 24 === 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)] === [2022-11-03 02:28:50,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:28:50,472 INFO L85 PathProgramCache]: Analyzing trace with hash 2073384266, now seen corresponding path program 1 times [2022-11-03 02:28:50,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:28:50,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679965465] [2022-11-03 02:28:50,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:28:50,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:28:50,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:28:52,566 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2022-11-03 02:28:52,566 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:28:52,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679965465] [2022-11-03 02:28:52,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679965465] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:28:52,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1635188160] [2022-11-03 02:28:52,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:28:52,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:28:52,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:28:52,569 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:28:52,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 02:28:54,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:28:54,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 5099 conjuncts, 42 conjunts are in the unsatisfiable core [2022-11-03 02:28:54,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:28:54,799 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-11-03 02:28:54,801 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:28:54,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1635188160] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:28:54,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:28:54,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [8] total 18 [2022-11-03 02:28:54,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655620510] [2022-11-03 02:28:54,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:28:54,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-03 02:28:54,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:28:54,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-03 02:28:54,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=271, Unknown=0, NotChecked=0, Total=306 [2022-11-03 02:28:54,804 INFO L87 Difference]: Start difference. First operand 5461 states and 8503 transitions. Second operand has 12 states, 9 states have (on average 6.666666666666667) internal successors, (60), 11 states have internal predecessors, (60), 7 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (26), 7 states have call predecessors, (26), 7 states have call successors, (26) [2022-11-03 02:29:02,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:29:05,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:29:16,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:29:16,170 INFO L93 Difference]: Finished difference Result 12236 states and 19175 transitions. [2022-11-03 02:29:16,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-03 02:29:16,171 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 6.666666666666667) internal successors, (60), 11 states have internal predecessors, (60), 7 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (26), 7 states have call predecessors, (26), 7 states have call successors, (26) Word has length 166 [2022-11-03 02:29:16,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:29:16,199 INFO L225 Difference]: With dead ends: 12236 [2022-11-03 02:29:16,199 INFO L226 Difference]: Without dead ends: 6792 [2022-11-03 02:29:16,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=108, Invalid=648, Unknown=0, NotChecked=0, Total=756 [2022-11-03 02:29:16,234 INFO L413 NwaCegarLoop]: 5752 mSDtfsCounter, 1500 mSDsluCounter, 59773 mSDsCounter, 0 mSdLazyCounter, 6117 mSolverCounterSat, 1044 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1784 SdHoareTripleChecker+Valid, 60873 SdHoareTripleChecker+Invalid, 7163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1044 IncrementalHoareTripleChecker+Valid, 6117 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:29:16,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1784 Valid, 60873 Invalid, 7163 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1044 Valid, 6117 Invalid, 2 Unknown, 0 Unchecked, 19.5s Time] [2022-11-03 02:29:16,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6792 states. [2022-11-03 02:29:17,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6792 to 5473. [2022-11-03 02:29:17,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5473 states, 2362 states have (on average 1.2061812023708722) internal successors, (2849), 2522 states have internal predecessors, (2849), 2831 states have call successors, (2831), 275 states have call predecessors, (2831), 272 states have return successors, (2839), 2756 states have call predecessors, (2839), 2829 states have call successors, (2839) [2022-11-03 02:29:17,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5473 states to 5473 states and 8519 transitions. [2022-11-03 02:29:17,260 INFO L78 Accepts]: Start accepts. Automaton has 5473 states and 8519 transitions. Word has length 166 [2022-11-03 02:29:17,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:29:17,260 INFO L495 AbstractCegarLoop]: Abstraction has 5473 states and 8519 transitions. [2022-11-03 02:29:17,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 6.666666666666667) internal successors, (60), 11 states have internal predecessors, (60), 7 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (26), 7 states have call predecessors, (26), 7 states have call successors, (26) [2022-11-03 02:29:17,260 INFO L276 IsEmpty]: Start isEmpty. Operand 5473 states and 8519 transitions. [2022-11-03 02:29:17,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-03 02:29:17,262 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:29:17,263 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:29:17,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 02:29:17,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:29:17,479 INFO L420 AbstractCegarLoop]: === Iteration 25 === 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)] === [2022-11-03 02:29:17,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:29:17,480 INFO L85 PathProgramCache]: Analyzing trace with hash 348421454, now seen corresponding path program 1 times [2022-11-03 02:29:17,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:29:17,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052338905] [2022-11-03 02:29:17,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:29:17,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:29:17,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:29:17,976 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:29:17,976 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:29:17,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052338905] [2022-11-03 02:29:17,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052338905] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:29:17,977 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:29:17,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:29:17,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881575267] [2022-11-03 02:29:17,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:29:17,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:29:17,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:29:17,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:29:17,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:29:17,979 INFO L87 Difference]: Start difference. First operand 5473 states and 8519 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-03 02:29:21,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:29:22,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:29:24,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:29:24,786 INFO L93 Difference]: Finished difference Result 5479 states and 8529 transitions. [2022-11-03 02:29:24,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:29:24,786 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 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 139 [2022-11-03 02:29:24,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:29:24,805 INFO L225 Difference]: With dead ends: 5479 [2022-11-03 02:29:24,805 INFO L226 Difference]: Without dead ends: 5477 [2022-11-03 02:29:24,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:29:24,809 INFO L413 NwaCegarLoop]: 4596 mSDtfsCounter, 4902 mSDsluCounter, 4998 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4910 SdHoareTripleChecker+Valid, 9219 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:29:24,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4910 Valid, 9219 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 747 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2022-11-03 02:29:24,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5477 states. [2022-11-03 02:29:25,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5477 to 5471. [2022-11-03 02:29:25,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5471 states, 2361 states have (on average 1.2058449809402796) internal successors, (2847), 2520 states have internal predecessors, (2847), 2831 states have call successors, (2831), 275 states have call predecessors, (2831), 272 states have return successors, (2839), 2756 states have call predecessors, (2839), 2829 states have call successors, (2839) [2022-11-03 02:29:25,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5471 states to 5471 states and 8517 transitions. [2022-11-03 02:29:25,874 INFO L78 Accepts]: Start accepts. Automaton has 5471 states and 8517 transitions. Word has length 139 [2022-11-03 02:29:25,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:29:25,875 INFO L495 AbstractCegarLoop]: Abstraction has 5471 states and 8517 transitions. [2022-11-03 02:29:25,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-03 02:29:25,875 INFO L276 IsEmpty]: Start isEmpty. Operand 5471 states and 8517 transitions. [2022-11-03 02:29:25,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-03 02:29:25,877 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:29:25,877 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:29:25,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-03 02:29:25,878 INFO L420 AbstractCegarLoop]: === Iteration 26 === 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)] === [2022-11-03 02:29:25,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:29:25,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1635650907, now seen corresponding path program 1 times [2022-11-03 02:29:25,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:29:25,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905209447] [2022-11-03 02:29:25,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:29:25,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:29:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:29:26,334 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:29:26,334 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:29:26,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905209447] [2022-11-03 02:29:26,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905209447] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:29:26,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:29:26,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:29:26,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126512333] [2022-11-03 02:29:26,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:29:26,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:29:26,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:29:26,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:29:26,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:29:26,337 INFO L87 Difference]: Start difference. First operand 5471 states and 8517 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-03 02:29:29,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:29:31,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:29:33,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:29:34,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:29:34,508 INFO L93 Difference]: Finished difference Result 5477 states and 8527 transitions. [2022-11-03 02:29:34,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:29:34,509 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 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 144 [2022-11-03 02:29:34,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:29:34,525 INFO L225 Difference]: With dead ends: 5477 [2022-11-03 02:29:34,525 INFO L226 Difference]: Without dead ends: 5323 [2022-11-03 02:29:34,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:29:34,527 INFO L413 NwaCegarLoop]: 4595 mSDtfsCounter, 4899 mSDsluCounter, 4998 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4905 SdHoareTripleChecker+Valid, 9217 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:29:34,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4905 Valid, 9217 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 747 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2022-11-03 02:29:34,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5323 states. [2022-11-03 02:29:35,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5323 to 5317. [2022-11-03 02:29:35,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5317 states, 2282 states have (on average 1.2107800175284837) internal successors, (2763), 2438 states have internal predecessors, (2763), 2776 states have call successors, (2776), 255 states have call predecessors, (2776), 253 states have return successors, (2786), 2703 states have call predecessors, (2786), 2776 states have call successors, (2786) [2022-11-03 02:29:35,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5317 states to 5317 states and 8325 transitions. [2022-11-03 02:29:35,629 INFO L78 Accepts]: Start accepts. Automaton has 5317 states and 8325 transitions. Word has length 144 [2022-11-03 02:29:35,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:29:35,629 INFO L495 AbstractCegarLoop]: Abstraction has 5317 states and 8325 transitions. [2022-11-03 02:29:35,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-03 02:29:35,629 INFO L276 IsEmpty]: Start isEmpty. Operand 5317 states and 8325 transitions. [2022-11-03 02:29:35,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2022-11-03 02:29:35,632 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:29:35,632 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:29:35,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-03 02:29:35,632 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)] === [2022-11-03 02:29:35,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:29:35,633 INFO L85 PathProgramCache]: Analyzing trace with hash 619010087, now seen corresponding path program 1 times [2022-11-03 02:29:35,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:29:35,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259605393] [2022-11-03 02:29:35,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:29:35,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:29:35,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:29:37,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1599 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1599 trivial. 0 not checked. [2022-11-03 02:29:37,543 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:29:37,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259605393] [2022-11-03 02:29:37,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259605393] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:29:37,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:29:37,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 02:29:37,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650508592] [2022-11-03 02:29:37,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:29:37,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 02:29:37,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:29:37,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 02:29:37,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:29:37,546 INFO L87 Difference]: Start difference. First operand 5317 states and 8325 transitions. Second operand has 7 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (30), 3 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-03 02:29:42,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:29:46,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:29:50,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:29:52,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:29:54,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:30:05,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:30:05,514 INFO L93 Difference]: Finished difference Result 5740 states and 8860 transitions. [2022-11-03 02:30:05,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 02:30:05,514 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (30), 3 states have call predecessors, (30), 2 states have call successors, (30) Word has length 289 [2022-11-03 02:30:05,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:30:05,543 INFO L225 Difference]: With dead ends: 5740 [2022-11-03 02:30:05,543 INFO L226 Difference]: Without dead ends: 5738 [2022-11-03 02:30:05,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:30:05,548 INFO L413 NwaCegarLoop]: 4499 mSDtfsCounter, 4400 mSDsluCounter, 13545 mSDsCounter, 0 mSdLazyCounter, 8540 mSolverCounterSat, 143 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4608 SdHoareTripleChecker+Valid, 16594 SdHoareTripleChecker+Invalid, 8687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 8540 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:30:05,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4608 Valid, 16594 Invalid, 8687 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [143 Valid, 8540 Invalid, 4 Unknown, 0 Unchecked, 26.1s Time] [2022-11-03 02:30:05,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5738 states. [2022-11-03 02:30:06,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5738 to 5521. [2022-11-03 02:30:06,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5521 states, 2392 states have (on average 1.205267558528428) internal successors, (2883), 2548 states have internal predecessors, (2883), 2814 states have call successors, (2814), 311 states have call predecessors, (2814), 309 states have return successors, (2824), 2741 states have call predecessors, (2824), 2814 states have call successors, (2824) [2022-11-03 02:30:06,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5521 states to 5521 states and 8521 transitions. [2022-11-03 02:30:06,826 INFO L78 Accepts]: Start accepts. Automaton has 5521 states and 8521 transitions. Word has length 289 [2022-11-03 02:30:06,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:30:06,827 INFO L495 AbstractCegarLoop]: Abstraction has 5521 states and 8521 transitions. [2022-11-03 02:30:06,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (30), 3 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-03 02:30:06,827 INFO L276 IsEmpty]: Start isEmpty. Operand 5521 states and 8521 transitions. [2022-11-03 02:30:06,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-11-03 02:30:06,830 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:30:06,830 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:30:06,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-03 02:30:06,831 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)] === [2022-11-03 02:30:06,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:30:06,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1359756990, now seen corresponding path program 1 times [2022-11-03 02:30:06,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:30:06,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014193005] [2022-11-03 02:30:06,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:30:06,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:30:06,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:30:07,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1599 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1599 trivial. 0 not checked. [2022-11-03 02:30:07,381 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:30:07,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014193005] [2022-11-03 02:30:07,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014193005] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:30:07,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:30:07,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:30:07,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806946229] [2022-11-03 02:30:07,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:30:07,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:30:07,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:30:07,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:30:07,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:30:07,384 INFO L87 Difference]: Start difference. First operand 5521 states and 8521 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-03 02:30:10,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:30:12,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:30:12,463 INFO L93 Difference]: Finished difference Result 11022 states and 17058 transitions. [2022-11-03 02:30:12,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:30:12,463 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 292 [2022-11-03 02:30:12,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:30:12,487 INFO L225 Difference]: With dead ends: 11022 [2022-11-03 02:30:12,487 INFO L226 Difference]: Without dead ends: 5517 [2022-11-03 02:30:12,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:30:12,515 INFO L413 NwaCegarLoop]: 4425 mSDtfsCounter, 4673 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4679 SdHoareTripleChecker+Valid, 4452 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:30:12,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4679 Valid, 4452 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 352 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2022-11-03 02:30:12,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5517 states. [2022-11-03 02:30:13,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5517 to 5511. [2022-11-03 02:30:13,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5511 states, 2383 states have (on average 1.2026856903063365) internal successors, (2866), 2538 states have internal predecessors, (2866), 2814 states have call successors, (2814), 311 states have call predecessors, (2814), 309 states have return successors, (2824), 2741 states have call predecessors, (2824), 2814 states have call successors, (2824) [2022-11-03 02:30:13,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5511 states to 5511 states and 8504 transitions. [2022-11-03 02:30:13,672 INFO L78 Accepts]: Start accepts. Automaton has 5511 states and 8504 transitions. Word has length 292 [2022-11-03 02:30:13,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:30:13,673 INFO L495 AbstractCegarLoop]: Abstraction has 5511 states and 8504 transitions. [2022-11-03 02:30:13,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-03 02:30:13,673 INFO L276 IsEmpty]: Start isEmpty. Operand 5511 states and 8504 transitions. [2022-11-03 02:30:13,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2022-11-03 02:30:13,687 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:30:13,687 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:30:13,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-03 02:30:13,687 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)] === [2022-11-03 02:30:13,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:30:13,688 INFO L85 PathProgramCache]: Analyzing trace with hash -204680426, now seen corresponding path program 1 times [2022-11-03 02:30:13,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:30:13,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069941580] [2022-11-03 02:30:13,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:30:13,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:30:13,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:30:14,331 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2022-11-03 02:30:14,331 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:30:14,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069941580] [2022-11-03 02:30:14,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069941580] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:30:14,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:30:14,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:30:14,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945166557] [2022-11-03 02:30:14,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:30:14,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:30:14,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:30:14,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:30:14,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:30:14,334 INFO L87 Difference]: Start difference. First operand 5511 states and 8504 transitions. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-11-03 02:30:18,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:30:20,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:30:24,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:30:24,879 INFO L93 Difference]: Finished difference Result 11014 states and 17015 transitions. [2022-11-03 02:30:24,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:30:24,880 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 411 [2022-11-03 02:30:24,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:30:24,907 INFO L225 Difference]: With dead ends: 11014 [2022-11-03 02:30:24,907 INFO L226 Difference]: Without dead ends: 5519 [2022-11-03 02:30:24,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:30:24,939 INFO L413 NwaCegarLoop]: 4412 mSDtfsCounter, 5 mSDsluCounter, 9493 mSDsCounter, 0 mSdLazyCounter, 1045 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 13223 SdHoareTripleChecker+Invalid, 1048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1045 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:30:24,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 13223 Invalid, 1048 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1045 Invalid, 1 Unknown, 0 Unchecked, 9.4s Time] [2022-11-03 02:30:24,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5519 states. [2022-11-03 02:30:26,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5519 to 5517. [2022-11-03 02:30:26,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5517 states, 2388 states have (on average 1.2022613065326633) internal successors, (2871), 2544 states have internal predecessors, (2871), 2814 states have call successors, (2814), 311 states have call predecessors, (2814), 310 states have return successors, (2825), 2741 states have call predecessors, (2825), 2814 states have call successors, (2825) [2022-11-03 02:30:26,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5517 states to 5517 states and 8510 transitions. [2022-11-03 02:30:26,055 INFO L78 Accepts]: Start accepts. Automaton has 5517 states and 8510 transitions. Word has length 411 [2022-11-03 02:30:26,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:30:26,056 INFO L495 AbstractCegarLoop]: Abstraction has 5517 states and 8510 transitions. [2022-11-03 02:30:26,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-11-03 02:30:26,056 INFO L276 IsEmpty]: Start isEmpty. Operand 5517 states and 8510 transitions. [2022-11-03 02:30:26,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2022-11-03 02:30:26,068 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:30:26,069 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:30:26,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-03 02:30:26,069 INFO L420 AbstractCegarLoop]: === Iteration 30 === 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)] === [2022-11-03 02:30:26,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:30:26,070 INFO L85 PathProgramCache]: Analyzing trace with hash -157094669, now seen corresponding path program 1 times [2022-11-03 02:30:26,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:30:26,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958165686] [2022-11-03 02:30:26,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:30:26,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:30:26,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:30:26,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2022-11-03 02:30:26,720 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:30:26,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958165686] [2022-11-03 02:30:26,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958165686] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:30:26,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:30:26,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:30:26,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783682584] [2022-11-03 02:30:26,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:30:26,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:30:26,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:30:26,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:30:26,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:30:26,728 INFO L87 Difference]: Start difference. First operand 5517 states and 8510 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-11-03 02:30:29,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:30:32,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:30:32,985 INFO L93 Difference]: Finished difference Result 11052 states and 17067 transitions. [2022-11-03 02:30:32,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:30:32,986 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 410 [2022-11-03 02:30:32,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:30:33,023 INFO L225 Difference]: With dead ends: 11052 [2022-11-03 02:30:33,024 INFO L226 Difference]: Without dead ends: 5551 [2022-11-03 02:30:33,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:30:33,057 INFO L413 NwaCegarLoop]: 4424 mSDtfsCounter, 12 mSDsluCounter, 4756 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 8838 SdHoareTripleChecker+Invalid, 696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:30:33,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 8838 Invalid, 696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 695 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2022-11-03 02:30:33,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5551 states. [2022-11-03 02:30:34,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5551 to 5519. [2022-11-03 02:30:34,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5519 states, 2390 states have (on average 1.202092050209205) internal successors, (2873), 2546 states have internal predecessors, (2873), 2814 states have call successors, (2814), 311 states have call predecessors, (2814), 310 states have return successors, (2825), 2741 states have call predecessors, (2825), 2814 states have call successors, (2825) [2022-11-03 02:30:34,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5519 states to 5519 states and 8512 transitions. [2022-11-03 02:30:34,275 INFO L78 Accepts]: Start accepts. Automaton has 5519 states and 8512 transitions. Word has length 410 [2022-11-03 02:30:34,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:30:34,276 INFO L495 AbstractCegarLoop]: Abstraction has 5519 states and 8512 transitions. [2022-11-03 02:30:34,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-11-03 02:30:34,276 INFO L276 IsEmpty]: Start isEmpty. Operand 5519 states and 8512 transitions. [2022-11-03 02:30:34,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2022-11-03 02:30:34,286 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:30:34,286 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:30:34,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-03 02:30:34,287 INFO L420 AbstractCegarLoop]: === Iteration 31 === 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)] === [2022-11-03 02:30:34,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:30:34,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1984374509, now seen corresponding path program 1 times [2022-11-03 02:30:34,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:30:34,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737541647] [2022-11-03 02:30:34,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:30:34,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:30:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:30:39,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1815 backedges. 10 proven. 116 refuted. 0 times theorem prover too weak. 1689 trivial. 0 not checked. [2022-11-03 02:30:39,969 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:30:39,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737541647] [2022-11-03 02:30:39,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737541647] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:30:39,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1249075959] [2022-11-03 02:30:39,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:30:39,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:30:39,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:30:39,972 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:30:39,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 02:30:42,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:30:42,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 6263 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-03 02:30:42,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:30:42,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1815 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 1733 trivial. 0 not checked. [2022-11-03 02:30:42,823 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:30:42,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1249075959] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:30:42,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:30:42,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [9] total 20 [2022-11-03 02:30:42,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445491007] [2022-11-03 02:30:42,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:30:42,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-03 02:30:42,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:30:42,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-03 02:30:42,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=342, Unknown=0, NotChecked=0, Total=380 [2022-11-03 02:30:42,826 INFO L87 Difference]: Start difference. First operand 5519 states and 8512 transitions. Second operand has 15 states, 11 states have (on average 12.636363636363637) internal successors, (139), 12 states have internal predecessors, (139), 5 states have call successors, (54), 2 states have call predecessors, (54), 6 states have return successors, (50), 7 states have call predecessors, (50), 5 states have call successors, (50) [2022-11-03 02:30:49,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:30:54,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:30:56,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:30:58,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:00,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:02,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:04,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:06,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:08,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:09,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:11,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:14,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:16,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:27,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:27,059 INFO L93 Difference]: Finished difference Result 11594 states and 17932 transitions. [2022-11-03 02:31:27,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-03 02:31:27,060 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 11 states have (on average 12.636363636363637) internal successors, (139), 12 states have internal predecessors, (139), 5 states have call successors, (54), 2 states have call predecessors, (54), 6 states have return successors, (50), 7 states have call predecessors, (50), 5 states have call successors, (50) Word has length 414 [2022-11-03 02:31:27,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:27,095 INFO L225 Difference]: With dead ends: 11594 [2022-11-03 02:31:27,096 INFO L226 Difference]: Without dead ends: 6090 [2022-11-03 02:31:27,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 430 GetRequests, 404 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=72, Invalid=684, Unknown=0, NotChecked=0, Total=756 [2022-11-03 02:31:27,122 INFO L413 NwaCegarLoop]: 5077 mSDtfsCounter, 425 mSDsluCounter, 71182 mSDsCounter, 0 mSdLazyCounter, 7496 mSolverCounterSat, 4 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 647 SdHoareTripleChecker+Valid, 70368 SdHoareTripleChecker+Invalid, 7509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7496 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:27,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [647 Valid, 70368 Invalid, 7509 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 7496 Invalid, 9 Unknown, 0 Unchecked, 42.3s Time] [2022-11-03 02:31:27,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6090 states. [2022-11-03 02:31:28,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6090 to 5530. [2022-11-03 02:31:28,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5530 states, 2396 states have (on average 1.2015859766277128) internal successors, (2879), 2552 states have internal predecessors, (2879), 2818 states have call successors, (2818), 311 states have call predecessors, (2818), 311 states have return successors, (2834), 2746 states have call predecessors, (2834), 2818 states have call successors, (2834) [2022-11-03 02:31:28,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5530 states to 5530 states and 8531 transitions. [2022-11-03 02:31:28,350 INFO L78 Accepts]: Start accepts. Automaton has 5530 states and 8531 transitions. Word has length 414 [2022-11-03 02:31:28,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:28,350 INFO L495 AbstractCegarLoop]: Abstraction has 5530 states and 8531 transitions. [2022-11-03 02:31:28,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 11 states have (on average 12.636363636363637) internal successors, (139), 12 states have internal predecessors, (139), 5 states have call successors, (54), 2 states have call predecessors, (54), 6 states have return successors, (50), 7 states have call predecessors, (50), 5 states have call successors, (50) [2022-11-03 02:31:28,351 INFO L276 IsEmpty]: Start isEmpty. Operand 5530 states and 8531 transitions. [2022-11-03 02:31:28,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2022-11-03 02:31:28,357 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:28,357 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:31:28,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-03 02:31:28,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:31:28,558 INFO L420 AbstractCegarLoop]: === Iteration 32 === 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)] === [2022-11-03 02:31:28,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:28,559 INFO L85 PathProgramCache]: Analyzing trace with hash 194350390, now seen corresponding path program 1 times [2022-11-03 02:31:28,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:28,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201596511] [2022-11-03 02:31:28,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:28,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:28,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:30,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1826 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1826 trivial. 0 not checked. [2022-11-03 02:31:30,464 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:30,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201596511] [2022-11-03 02:31:30,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201596511] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:30,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:31:30,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:31:30,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162821028] [2022-11-03 02:31:30,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:30,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:31:30,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:30,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:31:30,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:31:30,467 INFO L87 Difference]: Start difference. First operand 5530 states and 8531 transitions. Second operand has 6 states, 6 states have (on average 20.333333333333332) internal successors, (122), 5 states have internal predecessors, (122), 3 states have call successors, (59), 4 states have call predecessors, (59), 2 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2022-11-03 02:31:36,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:31:41,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:43,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:49,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:50,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:31:52,039 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 [] [2022-11-03 02:32:01,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:32:01,568 INFO L93 Difference]: Finished difference Result 5544 states and 8546 transitions. [2022-11-03 02:32:01,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:32:01,569 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.333333333333332) internal successors, (122), 5 states have internal predecessors, (122), 3 states have call successors, (59), 4 states have call predecessors, (59), 2 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) Word has length 418 [2022-11-03 02:32:01,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:32:01,590 INFO L225 Difference]: With dead ends: 5544 [2022-11-03 02:32:01,591 INFO L226 Difference]: Without dead ends: 5542 [2022-11-03 02:32:01,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:32:01,595 INFO L413 NwaCegarLoop]: 2902 mSDtfsCounter, 2976 mSDsluCounter, 3524 mSDsCounter, 0 mSdLazyCounter, 9530 mSolverCounterSat, 5260 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3225 SdHoareTripleChecker+Valid, 5894 SdHoareTripleChecker+Invalid, 14792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5260 IncrementalHoareTripleChecker+Valid, 9530 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:32:01,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3225 Valid, 5894 Invalid, 14792 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5260 Valid, 9530 Invalid, 2 Unknown, 0 Unchecked, 28.9s Time] [2022-11-03 02:32:01,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5542 states. [2022-11-03 02:32:02,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5542 to 5538. [2022-11-03 02:32:02,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5538 states, 2401 states have (on average 1.199500208246564) internal successors, (2880), 2556 states have internal predecessors, (2880), 2818 states have call successors, (2818), 315 states have call predecessors, (2818), 315 states have return successors, (2834), 2746 states have call predecessors, (2834), 2818 states have call successors, (2834) [2022-11-03 02:32:02,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5538 states to 5538 states and 8532 transitions. [2022-11-03 02:32:02,750 INFO L78 Accepts]: Start accepts. Automaton has 5538 states and 8532 transitions. Word has length 418 [2022-11-03 02:32:02,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:32:02,751 INFO L495 AbstractCegarLoop]: Abstraction has 5538 states and 8532 transitions. [2022-11-03 02:32:02,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.333333333333332) internal successors, (122), 5 states have internal predecessors, (122), 3 states have call successors, (59), 4 states have call predecessors, (59), 2 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2022-11-03 02:32:02,751 INFO L276 IsEmpty]: Start isEmpty. Operand 5538 states and 8532 transitions. [2022-11-03 02:32:02,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2022-11-03 02:32:02,760 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:32:02,760 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:32:02,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-03 02:32:02,761 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-03 02:32:02,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:32:02,761 INFO L85 PathProgramCache]: Analyzing trace with hash 480359603, now seen corresponding path program 1 times [2022-11-03 02:32:02,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:32:02,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792614901] [2022-11-03 02:32:02,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:32:02,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:32:02,991 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:32:02,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [713198480] [2022-11-03 02:32:02,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:32:02,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:32:02,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:32:02,993 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:32:03,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 02:32:05,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:32:05,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 6966 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-03 02:32:05,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:32:05,291 INFO L134 CoverageAnalysis]: Checked inductivity of 1912 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1912 trivial. 0 not checked. [2022-11-03 02:32:05,291 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:32:05,291 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:32:05,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792614901] [2022-11-03 02:32:05,291 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:32:05,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [713198480] [2022-11-03 02:32:05,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [713198480] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:32:05,292 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:32:05,292 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:32:05,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706215213] [2022-11-03 02:32:05,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:32:05,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:32:05,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:32:05,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:32:05,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:32:05,293 INFO L87 Difference]: Start difference. First operand 5538 states and 8532 transitions. Second operand has 5 states, 5 states have (on average 27.0) internal successors, (135), 4 states have internal predecessors, (135), 2 states have call successors, (66), 3 states have call predecessors, (66), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2022-11-03 02:32:09,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:32:11,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:32:13,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:32:15,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:32:18,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:32:18,224 INFO L93 Difference]: Finished difference Result 5538 states and 8532 transitions. [2022-11-03 02:32:18,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:32:18,225 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 4 states have internal predecessors, (135), 2 states have call successors, (66), 3 states have call predecessors, (66), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) Word has length 447 [2022-11-03 02:32:18,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:32:18,252 INFO L225 Difference]: With dead ends: 5538 [2022-11-03 02:32:18,252 INFO L226 Difference]: Without dead ends: 5536 [2022-11-03 02:32:18,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 443 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:32:18,256 INFO L413 NwaCegarLoop]: 4462 mSDtfsCounter, 261 mSDsluCounter, 14238 mSDsCounter, 0 mSdLazyCounter, 1451 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 17630 SdHoareTripleChecker+Invalid, 1453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1451 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:32:18,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 17630 Invalid, 1453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1451 Invalid, 2 Unknown, 0 Unchecked, 11.6s Time] [2022-11-03 02:32:18,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5536 states. [2022-11-03 02:32:19,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5536 to 5536. [2022-11-03 02:32:19,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5536 states, 2400 states have (on average 1.1979166666666667) internal successors, (2875), 2554 states have internal predecessors, (2875), 2818 states have call successors, (2818), 315 states have call predecessors, (2818), 315 states have return successors, (2834), 2746 states have call predecessors, (2834), 2818 states have call successors, (2834) [2022-11-03 02:32:19,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5536 states to 5536 states and 8527 transitions. [2022-11-03 02:32:19,506 INFO L78 Accepts]: Start accepts. Automaton has 5536 states and 8527 transitions. Word has length 447 [2022-11-03 02:32:19,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:32:19,507 INFO L495 AbstractCegarLoop]: Abstraction has 5536 states and 8527 transitions. [2022-11-03 02:32:19,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 4 states have internal predecessors, (135), 2 states have call successors, (66), 3 states have call predecessors, (66), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2022-11-03 02:32:19,507 INFO L276 IsEmpty]: Start isEmpty. Operand 5536 states and 8527 transitions. [2022-11-03 02:32:19,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2022-11-03 02:32:19,516 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:32:19,517 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:32:19,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-03 02:32:19,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:32:19,718 INFO L420 AbstractCegarLoop]: === Iteration 34 === 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)] === [2022-11-03 02:32:19,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:32:19,719 INFO L85 PathProgramCache]: Analyzing trace with hash -2074805959, now seen corresponding path program 1 times [2022-11-03 02:32:19,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:32:19,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545158375] [2022-11-03 02:32:19,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:32:19,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:32:19,878 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:32:19,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2024897766] [2022-11-03 02:32:19,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:32:19,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:32:19,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:32:19,880 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:32:19,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_714ccdb9-9a97-460f-b82c-7810e511f726/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-03 02:32:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:32:22,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 6872 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:32:22,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:32:22,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1862 backedges. 200 proven. 1 refuted. 0 times theorem prover too weak. 1661 trivial. 0 not checked. [2022-11-03 02:32:22,188 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:32:22,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1862 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1855 trivial. 0 not checked. [2022-11-03 02:32:22,756 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:32:22,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545158375] [2022-11-03 02:32:22,756 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:32:22,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024897766] [2022-11-03 02:32:22,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2024897766] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:32:22,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1226334967] [2022-11-03 02:32:22,804 INFO L159 IcfgInterpreter]: Started Sifa with 251 locations of interest [2022-11-03 02:32:22,804 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:32:22,809 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:32:22,817 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:32:22,817 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:32:38,677 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 55 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 56 [2022-11-03 02:32:40,866 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 55 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 56 [2022-11-03 02:32:41,520 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 55 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 56 [2022-11-03 02:32:42,631 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 55 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 56 [2022-11-03 02:32:44,935 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 55 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 56 [2022-11-03 02:32:46,325 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 55 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 56 [2022-11-03 02:32:47,412 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 55 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 56