./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--ethernet--atheros--alx--alx.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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f7d4c2-1267-4d25-bb52-c667098d2e5c/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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f7d4c2-1267-4d25-bb52-c667098d2e5c/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f7d4c2-1267-4d25-bb52-c667098d2e5c/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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/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 deb1ab2dfee1720097b2641f46d2c4bfdc556bdc54a3c09b9a590ecca720241b --- 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 02:12:59,705 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:12:59,707 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:12:59,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:12:59,735 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:12:59,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:12:59,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:12:59,740 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:12:59,742 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:12:59,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:12:59,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:12:59,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:12:59,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:12:59,748 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:12:59,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:12:59,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:12:59,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:12:59,754 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:12:59,755 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:12:59,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:12:59,759 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:12:59,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:12:59,762 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:12:59,763 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:12:59,767 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:12:59,768 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:12:59,768 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:12:59,769 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:12:59,770 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:12:59,771 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:12:59,772 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:12:59,773 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:12:59,774 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:12:59,775 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:12:59,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:12:59,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:12:59,777 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:12:59,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:12:59,778 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:12:59,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:12:59,780 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:12:59,781 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f7d4c2-1267-4d25-bb52-c667098d2e5c/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:12:59,804 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:12:59,804 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:12:59,804 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:12:59,805 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:12:59,805 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:12:59,806 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:12:59,806 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:12:59,806 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:12:59,806 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:12:59,807 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:12:59,807 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:12:59,807 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:12:59,807 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:12:59,807 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:12:59,808 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:12:59,808 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:12:59,808 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:12:59,808 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:12:59,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:12:59,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:12:59,810 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:12:59,810 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:12:59,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:12:59,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:12:59,810 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:12:59,811 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:12:59,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:12:59,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:12:59,811 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:12:59,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:12:59,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:12:59,812 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:12:59,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:12:59,812 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:12:59,813 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:12:59,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:12:59,813 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:12:59,813 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:12:59,813 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f7d4c2-1267-4d25-bb52-c667098d2e5c/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> deb1ab2dfee1720097b2641f46d2c4bfdc556bdc54a3c09b9a590ecca720241b [2022-11-03 02:13:00,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:13:00,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:13:00,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:13:00,110 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:13:00,110 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:13:00,112 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f7d4c2-1267-4d25-bb52-c667098d2e5c/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i [2022-11-03 02:13:00,216 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f7d4c2-1267-4d25-bb52-c667098d2e5c/bin/utaipan-7li7fVZpFI/data/149ec64e2/7cb0fd8e0ea54f5280bcb0da5580bb17/FLAGac2c42d95 [2022-11-03 02:13:01,371 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:13:01,372 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i [2022-11-03 02:13:01,451 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f7d4c2-1267-4d25-bb52-c667098d2e5c/bin/utaipan-7li7fVZpFI/data/149ec64e2/7cb0fd8e0ea54f5280bcb0da5580bb17/FLAGac2c42d95 [2022-11-03 02:13:01,613 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f7d4c2-1267-4d25-bb52-c667098d2e5c/bin/utaipan-7li7fVZpFI/data/149ec64e2/7cb0fd8e0ea54f5280bcb0da5580bb17 [2022-11-03 02:13:01,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:13:01,617 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:13:01,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:13:01,621 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:13:01,624 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:13:01,626 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:13:01" (1/1) ... [2022-11-03 02:13:01,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17aff09b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:01, skipping insertion in model container [2022-11-03 02:13:01,627 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:13:01" (1/1) ... [2022-11-03 02:13:01,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:13:01,852 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:13:08,396 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524188,524201] [2022-11-03 02:13:08,399 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524333,524346] [2022-11-03 02:13:08,399 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524479,524492] [2022-11-03 02:13:08,400 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524644,524657] [2022-11-03 02:13:08,401 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524802,524815] [2022-11-03 02:13:08,401 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524960,524973] [2022-11-03 02:13:08,402 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525118,525131] [2022-11-03 02:13:08,403 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525278,525291] [2022-11-03 02:13:08,403 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525437,525450] [2022-11-03 02:13:08,404 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525576,525589] [2022-11-03 02:13:08,405 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525718,525731] [2022-11-03 02:13:08,405 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525867,525880] [2022-11-03 02:13:08,406 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526006,526019] [2022-11-03 02:13:08,406 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526161,526174] [2022-11-03 02:13:08,407 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526321,526334] [2022-11-03 02:13:08,407 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526472,526485] [2022-11-03 02:13:08,408 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526623,526636] [2022-11-03 02:13:08,408 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526775,526788] [2022-11-03 02:13:08,409 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526924,526937] [2022-11-03 02:13:08,410 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527072,527085] [2022-11-03 02:13:08,410 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527229,527242] [2022-11-03 02:13:08,411 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527378,527391] [2022-11-03 02:13:08,411 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527534,527547] [2022-11-03 02:13:08,411 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527687,527700] [2022-11-03 02:13:08,412 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527833,527846] [2022-11-03 02:13:08,412 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527976,527989] [2022-11-03 02:13:08,413 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528128,528141] [2022-11-03 02:13:08,413 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528274,528287] [2022-11-03 02:13:08,414 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528419,528432] [2022-11-03 02:13:08,414 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528573,528586] [2022-11-03 02:13:08,415 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528724,528737] [2022-11-03 02:13:08,415 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528879,528892] [2022-11-03 02:13:08,416 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529031,529044] [2022-11-03 02:13:08,416 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529186,529199] [2022-11-03 02:13:08,417 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529350,529363] [2022-11-03 02:13:08,417 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529506,529519] [2022-11-03 02:13:08,418 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529670,529683] [2022-11-03 02:13:08,418 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529812,529825] [2022-11-03 02:13:08,419 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529970,529983] [2022-11-03 02:13:08,419 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530137,530150] [2022-11-03 02:13:08,420 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530296,530309] [2022-11-03 02:13:08,421 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530455,530468] [2022-11-03 02:13:08,421 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530604,530617] [2022-11-03 02:13:08,422 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530751,530764] [2022-11-03 02:13:08,422 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530890,530903] [2022-11-03 02:13:08,423 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531053,531066] [2022-11-03 02:13:08,423 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531219,531232] [2022-11-03 02:13:08,424 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531383,531396] [2022-11-03 02:13:08,424 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531548,531561] [2022-11-03 02:13:08,424 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531713,531726] [2022-11-03 02:13:08,425 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531879,531892] [2022-11-03 02:13:08,426 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532044,532057] [2022-11-03 02:13:08,426 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532211,532224] [2022-11-03 02:13:08,427 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532371,532384] [2022-11-03 02:13:08,427 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532533,532546] [2022-11-03 02:13:08,428 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532692,532705] [2022-11-03 02:13:08,428 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532838,532851] [2022-11-03 02:13:08,429 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532981,532994] [2022-11-03 02:13:08,429 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533125,533138] [2022-11-03 02:13:08,430 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533268,533281] [2022-11-03 02:13:08,430 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533412,533425] [2022-11-03 02:13:08,431 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533553,533566] [2022-11-03 02:13:08,431 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533691,533704] [2022-11-03 02:13:08,432 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533849,533862] [2022-11-03 02:13:08,433 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534008,534021] [2022-11-03 02:13:08,433 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534164,534177] [2022-11-03 02:13:08,434 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534313,534326] [2022-11-03 02:13:08,435 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534465,534478] [2022-11-03 02:13:08,435 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534616,534629] [2022-11-03 02:13:08,436 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534765,534778] [2022-11-03 02:13:08,436 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534917,534930] [2022-11-03 02:13:08,437 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535065,535078] [2022-11-03 02:13:08,438 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535218,535231] [2022-11-03 02:13:08,438 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535369,535382] [2022-11-03 02:13:08,439 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535519,535532] [2022-11-03 02:13:08,439 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535666,535679] [2022-11-03 02:13:08,440 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535817,535830] [2022-11-03 02:13:08,440 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535968,535981] [2022-11-03 02:13:08,441 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536116,536129] [2022-11-03 02:13:08,441 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536282,536295] [2022-11-03 02:13:08,442 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536451,536464] [2022-11-03 02:13:08,443 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536618,536631] [2022-11-03 02:13:08,443 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536786,536799] [2022-11-03 02:13:08,444 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536936,536949] [2022-11-03 02:13:08,444 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537083,537096] [2022-11-03 02:13:08,444 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537244,537257] [2022-11-03 02:13:08,445 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537414,537427] [2022-11-03 02:13:08,446 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537576,537589] [2022-11-03 02:13:08,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:13:08,565 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:13:09,161 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524188,524201] [2022-11-03 02:13:09,162 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524333,524346] [2022-11-03 02:13:09,163 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524479,524492] [2022-11-03 02:13:09,163 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524644,524657] [2022-11-03 02:13:09,163 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524802,524815] [2022-11-03 02:13:09,164 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524960,524973] [2022-11-03 02:13:09,164 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525118,525131] [2022-11-03 02:13:09,165 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525278,525291] [2022-11-03 02:13:09,191 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525437,525450] [2022-11-03 02:13:09,191 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525576,525589] [2022-11-03 02:13:09,191 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525718,525731] [2022-11-03 02:13:09,192 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525867,525880] [2022-11-03 02:13:09,192 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526006,526019] [2022-11-03 02:13:09,193 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526161,526174] [2022-11-03 02:13:09,193 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526321,526334] [2022-11-03 02:13:09,193 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526472,526485] [2022-11-03 02:13:09,194 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526623,526636] [2022-11-03 02:13:09,194 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526775,526788] [2022-11-03 02:13:09,194 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526924,526937] [2022-11-03 02:13:09,195 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527072,527085] [2022-11-03 02:13:09,195 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527229,527242] [2022-11-03 02:13:09,195 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527378,527391] [2022-11-03 02:13:09,196 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527534,527547] [2022-11-03 02:13:09,196 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527687,527700] [2022-11-03 02:13:09,196 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527833,527846] [2022-11-03 02:13:09,197 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527976,527989] [2022-11-03 02:13:09,197 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528128,528141] [2022-11-03 02:13:09,197 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528274,528287] [2022-11-03 02:13:09,198 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528419,528432] [2022-11-03 02:13:09,198 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528573,528586] [2022-11-03 02:13:09,198 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528724,528737] [2022-11-03 02:13:09,199 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528879,528892] [2022-11-03 02:13:09,199 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529031,529044] [2022-11-03 02:13:09,199 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529186,529199] [2022-11-03 02:13:09,200 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529350,529363] [2022-11-03 02:13:09,200 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529506,529519] [2022-11-03 02:13:09,203 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529670,529683] [2022-11-03 02:13:09,204 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529812,529825] [2022-11-03 02:13:09,204 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529970,529983] [2022-11-03 02:13:09,205 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530137,530150] [2022-11-03 02:13:09,206 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530296,530309] [2022-11-03 02:13:09,207 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530455,530468] [2022-11-03 02:13:09,207 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530604,530617] [2022-11-03 02:13:09,207 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530751,530764] [2022-11-03 02:13:09,208 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530890,530903] [2022-11-03 02:13:09,208 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531053,531066] [2022-11-03 02:13:09,209 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531219,531232] [2022-11-03 02:13:09,209 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531383,531396] [2022-11-03 02:13:09,210 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531548,531561] [2022-11-03 02:13:09,210 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531713,531726] [2022-11-03 02:13:09,212 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531879,531892] [2022-11-03 02:13:09,212 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532044,532057] [2022-11-03 02:13:09,213 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532211,532224] [2022-11-03 02:13:09,213 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532371,532384] [2022-11-03 02:13:09,214 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532533,532546] [2022-11-03 02:13:09,215 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532692,532705] [2022-11-03 02:13:09,219 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532838,532851] [2022-11-03 02:13:09,219 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532981,532994] [2022-11-03 02:13:09,220 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533125,533138] [2022-11-03 02:13:09,221 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533268,533281] [2022-11-03 02:13:09,222 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533412,533425] [2022-11-03 02:13:09,223 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533553,533566] [2022-11-03 02:13:09,224 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533691,533704] [2022-11-03 02:13:09,229 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533849,533862] [2022-11-03 02:13:09,230 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534008,534021] [2022-11-03 02:13:09,235 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534164,534177] [2022-11-03 02:13:09,236 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534313,534326] [2022-11-03 02:13:09,237 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534465,534478] [2022-11-03 02:13:09,238 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534616,534629] [2022-11-03 02:13:09,238 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534765,534778] [2022-11-03 02:13:09,239 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534917,534930] [2022-11-03 02:13:09,239 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535065,535078] [2022-11-03 02:13:09,240 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535218,535231] [2022-11-03 02:13:09,240 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535369,535382] [2022-11-03 02:13:09,240 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535519,535532] [2022-11-03 02:13:09,241 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535666,535679] [2022-11-03 02:13:09,241 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535817,535830] [2022-11-03 02:13:09,242 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535968,535981] [2022-11-03 02:13:09,243 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536116,536129] [2022-11-03 02:13:09,244 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536282,536295] [2022-11-03 02:13:09,245 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536451,536464] [2022-11-03 02:13:09,246 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536618,536631] [2022-11-03 02:13:09,247 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536786,536799] [2022-11-03 02:13:09,247 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536936,536949] [2022-11-03 02:13:09,248 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537083,537096] [2022-11-03 02:13:09,248 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537244,537257] [2022-11-03 02:13:09,248 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537414,537427] [2022-11-03 02:13:09,249 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_77f7d4c2-1267-4d25-bb52-c667098d2e5c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537576,537589] [2022-11-03 02:13:09,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:13:09,937 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:13:09,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:09 WrapperNode [2022-11-03 02:13:09,938 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:13:09,939 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:13:09,939 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:13:09,939 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:13:09,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:09" (1/1) ... [2022-11-03 02:13:10,104 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:09" (1/1) ... [2022-11-03 02:13:10,344 INFO L138 Inliner]: procedures = 877, calls = 4554, calls flagged for inlining = 420, calls inlined = 325, statements flattened = 8143 [2022-11-03 02:13:10,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:13:10,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:13:10,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:13:10,346 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:13:10,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:09" (1/1) ... [2022-11-03 02:13:10,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:09" (1/1) ... [2022-11-03 02:13:10,490 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:09" (1/1) ... [2022-11-03 02:13:10,498 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:09" (1/1) ... [2022-11-03 02:13:10,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:09" (1/1) ... [2022-11-03 02:13:10,711 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:09" (1/1) ... [2022-11-03 02:13:10,762 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:09" (1/1) ... [2022-11-03 02:13:10,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:09" (1/1) ... [2022-11-03 02:13:10,821 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:13:10,822 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:13:10,822 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:13:10,822 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:13:10,823 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:09" (1/1) ... [2022-11-03 02:13:10,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:13:10,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f7d4c2-1267-4d25-bb52-c667098d2e5c/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:13:10,858 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f7d4c2-1267-4d25-bb52-c667098d2e5c/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:13:10,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f7d4c2-1267-4d25-bb52-c667098d2e5c/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:13:10,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_122 [2022-11-03 02:13:10,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_122 [2022-11-03 02:13:10,911 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2022-11-03 02:13:10,911 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2022-11-03 02:13:10,911 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2022-11-03 02:13:10,911 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2022-11-03 02:13:10,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-03 02:13:10,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-03 02:13:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_142 [2022-11-03 02:13:10,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_142 [2022-11-03 02:13:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-03 02:13:10,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-03 02:13:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2022-11-03 02:13:10,915 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2022-11-03 02:13:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 02:13:10,915 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 02:13:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 02:13:10,915 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 02:13:10,916 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_resume [2022-11-03 02:13:10,916 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_resume [2022-11-03 02:13:10,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_net_rtnetlink__double_lock [2022-11-03 02:13:10,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_net_rtnetlink__double_lock [2022-11-03 02:13:10,916 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2022-11-03 02:13:10,916 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2022-11-03 02:13:10,916 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 02:13:10,917 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 02:13:10,917 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2022-11-03 02:13:10,918 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2022-11-03 02:13:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure alx_remove [2022-11-03 02:13:10,918 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_remove [2022-11-03 02:13:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2022-11-03 02:13:10,918 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2022-11-03 02:13:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-03 02:13:10,918 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-03 02:13:10,919 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2022-11-03 02:13:10,919 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2022-11-03 02:13:10,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-03 02:13:10,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-03 02:13:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 02:13:10,920 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 02:13:10,920 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 02:13:10,920 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 02:13:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2022-11-03 02:13:10,921 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2022-11-03 02:13:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2022-11-03 02:13:10,921 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2022-11-03 02:13:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 02:13:10,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 02:13:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-03 02:13:10,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-03 02:13:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:13:10,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-03 02:13:10,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-03 02:13:10,923 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2022-11-03 02:13:10,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2022-11-03 02:13:10,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-03 02:13:10,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-03 02:13:10,923 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2022-11-03 02:13:10,923 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2022-11-03 02:13:10,924 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 02:13:10,924 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 02:13:10,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-03 02:13:10,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-03 02:13:10,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2022-11-03 02:13:10,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2022-11-03 02:13:10,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:13:10,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-03 02:13:10,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-11-03 02:13:10,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-03 02:13:10,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-03 02:13:10,926 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2022-11-03 02:13:10,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2022-11-03 02:13:10,927 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2022-11-03 02:13:10,927 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2022-11-03 02:13:10,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:13:10,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 02:13:10,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 02:13:10,927 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 02:13:10,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 02:13:10,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:13:10,927 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 02:13:10,927 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2022-11-03 02:13:10,927 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2022-11-03 02:13:10,928 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2022-11-03 02:13:10,928 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2022-11-03 02:13:10,928 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2022-11-03 02:13:10,928 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2022-11-03 02:13:10,928 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2022-11-03 02:13:10,928 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2022-11-03 02:13:10,928 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 02:13:10,928 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 02:13:10,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_irq_lock_of_alx_priv [2022-11-03 02:13:10,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_irq_lock_of_alx_priv [2022-11-03 02:13:10,928 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2022-11-03 02:13:10,928 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2022-11-03 02:13:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-03 02:13:10,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-03 02:13:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-11-03 02:13:10,929 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-11-03 02:13:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2022-11-03 02:13:10,929 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2022-11-03 02:13:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 02:13:10,929 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 02:13:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:13:10,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:13:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2022-11-03 02:13:10,929 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2022-11-03 02:13:10,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 02:13:10,930 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-03 02:13:10,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-03 02:13:10,930 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-03 02:13:10,930 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-03 02:13:10,930 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-03 02:13:10,930 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2022-11-03 02:13:10,930 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2022-11-03 02:13:10,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-03 02:13:10,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-03 02:13:10,930 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2022-11-03 02:13:10,930 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2022-11-03 02:13:10,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 02:13:10,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 02:13:10,931 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2022-11-03 02:13:10,931 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2022-11-03 02:13:10,931 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2022-11-03 02:13:10,931 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2022-11-03 02:13:10,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-03 02:13:10,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-03 02:13:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-03 02:13:10,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-03 02:13:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_128 [2022-11-03 02:13:10,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_128 [2022-11-03 02:13:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-03 02:13:10,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-03 02:13:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-03 02:13:10,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-03 02:13:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-03 02:13:10,933 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-03 02:13:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:13:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 02:13:10,933 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 02:13:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-03 02:13:10,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-03 02:13:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2022-11-03 02:13:10,933 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2022-11-03 02:13:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:13:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2022-11-03 02:13:10,934 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2022-11-03 02:13:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-03 02:13:10,934 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-03 02:13:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 02:13:10,934 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 02:13:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-03 02:13:10,934 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-03 02:13:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 02:13:10,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 02:13:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-03 02:13:10,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-03 02:13:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-03 02:13:10,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-03 02:13:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2022-11-03 02:13:10,935 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2022-11-03 02:13:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 02:13:10,935 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 02:13:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2022-11-03 02:13:10,935 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2022-11-03 02:13:10,936 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2022-11-03 02:13:10,936 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2022-11-03 02:13:10,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:13:10,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:13:10,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:13:10,936 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2022-11-03 02:13:10,936 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2022-11-03 02:13:10,936 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2022-11-03 02:13:10,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2022-11-03 02:13:10,936 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2022-11-03 02:13:10,936 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2022-11-03 02:13:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-03 02:13:10,937 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-03 02:13:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_121 [2022-11-03 02:13:10,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_121 [2022-11-03 02:13:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2022-11-03 02:13:10,937 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2022-11-03 02:13:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_past_rtnl_unlock [2022-11-03 02:13:10,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_past_rtnl_unlock [2022-11-03 02:13:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-03 02:13:10,938 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-03 02:13:10,938 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2022-11-03 02:13:10,938 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2022-11-03 02:13:10,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_141 [2022-11-03 02:13:10,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_141 [2022-11-03 02:13:10,938 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-11-03 02:13:10,938 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-11-03 02:13:10,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-03 02:13:10,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-03 02:13:10,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 02:13:10,939 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 02:13:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:13:10,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:13:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2022-11-03 02:13:10,939 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2022-11-03 02:13:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2022-11-03 02:13:10,939 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2022-11-03 02:13:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2022-11-03 02:13:10,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2022-11-03 02:13:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-03 02:13:10,940 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-03 02:13:10,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-03 02:13:10,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-03 02:13:10,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-03 02:13:10,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-03 02:13:10,940 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2022-11-03 02:13:10,940 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2022-11-03 02:13:10,940 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2022-11-03 02:13:10,940 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2022-11-03 02:13:10,940 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 02:13:10,941 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 02:13:10,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_past_rtnl_lock [2022-11-03 02:13:10,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_past_rtnl_lock [2022-11-03 02:13:10,941 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2022-11-03 02:13:10,941 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2022-11-03 02:13:10,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 02:13:10,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 02:13:10,941 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-03 02:13:10,941 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-03 02:13:10,941 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-03 02:13:10,942 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-03 02:13:10,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 02:13:10,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 02:13:10,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-03 02:13:10,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-03 02:13:10,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_irq_lock_of_alx_priv [2022-11-03 02:13:10,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_irq_lock_of_alx_priv [2022-11-03 02:13:10,942 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-03 02:13:10,942 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-03 02:13:10,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:13:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2022-11-03 02:13:10,943 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2022-11-03 02:13:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-03 02:13:10,943 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-03 02:13:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2022-11-03 02:13:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2022-11-03 02:13:10,943 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2022-11-03 02:13:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 02:13:10,943 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 02:13:10,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 02:13:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_rtnl_is_locked [2022-11-03 02:13:10,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_rtnl_is_locked [2022-11-03 02:13:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2022-11-03 02:13:10,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2022-11-03 02:13:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure alx_stop [2022-11-03 02:13:10,944 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_stop [2022-11-03 02:13:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 02:13:10,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 02:13:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 02:13:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-03 02:13:10,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-03 02:13:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 02:13:10,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 02:13:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-03 02:13:10,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-03 02:13:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 02:13:10,945 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 02:13:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-03 02:13:10,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-03 02:13:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-03 02:13:10,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-03 02:13:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2022-11-03 02:13:10,946 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2022-11-03 02:13:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 02:13:10,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 02:13:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2022-11-03 02:13:10,946 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2022-11-03 02:13:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2022-11-03 02:13:10,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2022-11-03 02:13:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-03 02:13:10,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-03 02:13:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2022-11-03 02:13:10,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2022-11-03 02:13:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2022-11-03 02:13:10,947 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2022-11-03 02:13:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-03 02:13:10,947 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-03 02:13:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-03 02:13:10,947 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-03 02:13:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2022-11-03 02:13:10,948 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2022-11-03 02:13:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2022-11-03 02:13:10,948 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2022-11-03 02:13:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:13:10,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:13:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 02:13:11,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 02:13:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2022-11-03 02:13:11,011 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2022-11-03 02:13:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-03 02:13:11,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-03 02:13:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-03 02:13:11,012 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-03 02:13:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-03 02:13:11,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-03 02:13:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2022-11-03 02:13:11,012 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2022-11-03 02:13:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-03 02:13:11,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-03 02:13:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 02:13:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 02:13:11,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 02:13:11,013 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-11-03 02:13:11,013 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-11-03 02:13:11,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-03 02:13:11,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-03 02:13:11,013 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-03 02:13:11,013 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-03 02:13:11,013 INFO L130 BoogieDeclarations]: Found specification of procedure alx_open [2022-11-03 02:13:11,013 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_open [2022-11-03 02:13:11,013 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-03 02:13:11,013 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-03 02:13:11,013 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-03 02:13:11,013 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-03 02:13:11,013 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-11-03 02:13:11,014 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-11-03 02:13:11,014 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-03 02:13:11,014 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-03 02:13:11,014 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-03 02:13:11,014 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-03 02:13:11,014 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-03 02:13:11,014 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-03 02:13:11,014 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2022-11-03 02:13:11,014 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2022-11-03 02:13:11,014 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2022-11-03 02:13:11,014 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2022-11-03 02:13:11,014 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-03 02:13:11,014 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-03 02:13:11,015 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-03 02:13:11,015 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-03 02:13:11,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:13:11,015 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2022-11-03 02:13:11,015 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2022-11-03 02:13:11,015 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-03 02:13:11,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-03 02:13:11,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-03 02:13:11,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-03 02:13:11,015 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-03 02:13:11,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-03 02:13:11,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-03 02:13:11,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-03 02:13:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-03 02:13:11,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-03 02:13:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 02:13:11,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 02:13:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 02:13:11,016 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 02:13:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-03 02:13:11,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-03 02:13:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-03 02:13:11,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-03 02:13:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 02:13:11,016 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 02:13:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-03 02:13:11,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-03 02:13:11,017 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2022-11-03 02:13:11,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2022-11-03 02:13:11,017 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-03 02:13:11,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-03 02:13:11,017 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2022-11-03 02:13:11,017 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2022-11-03 02:13:11,017 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2022-11-03 02:13:11,017 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2022-11-03 02:13:11,017 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2022-11-03 02:13:11,017 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2022-11-03 02:13:11,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-03 02:13:11,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-03 02:13:11,017 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-03 02:13:11,018 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-03 02:13:11,018 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-03 02:13:11,018 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-03 02:13:11,018 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-03 02:13:11,018 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-03 02:13:11,018 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2022-11-03 02:13:11,018 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2022-11-03 02:13:11,018 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2022-11-03 02:13:11,018 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2022-11-03 02:13:11,018 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2022-11-03 02:13:11,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2022-11-03 02:13:11,018 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2022-11-03 02:13:11,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2022-11-03 02:13:11,019 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-03 02:13:11,019 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-03 02:13:11,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 02:13:11,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 02:13:11,019 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-03 02:13:11,019 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-03 02:13:11,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-03 02:13:11,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-03 02:13:11,019 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-03 02:13:11,019 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-03 02:13:11,019 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2022-11-03 02:13:11,019 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2022-11-03 02:13:11,019 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 02:13:11,020 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 02:13:11,020 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-03 02:13:11,020 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-03 02:13:11,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:13:11,020 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2022-11-03 02:13:11,020 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2022-11-03 02:13:12,159 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:13:12,164 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:13:12,248 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 02:13:24,615 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:13:27,226 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:13:27,226 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-11-03 02:13:27,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:13:27 BoogieIcfgContainer [2022-11-03 02:13:27,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:13:27,239 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:13:27,239 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:13:27,243 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:13:27,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:13:01" (1/3) ... [2022-11-03 02:13:27,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c3f23bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:13:27, skipping insertion in model container [2022-11-03 02:13:27,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:13:09" (2/3) ... [2022-11-03 02:13:27,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c3f23bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:13:27, skipping insertion in model container [2022-11-03 02:13:27,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:13:27" (3/3) ... [2022-11-03 02:13:27,248 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i [2022-11-03 02:13:27,270 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:13:27,271 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-11-03 02:13:27,425 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:13:27,436 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;@c0c5ddf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:13:27,436 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2022-11-03 02:13:27,468 INFO L276 IsEmpty]: Start isEmpty. Operand has 2368 states, 1301 states have (on average 1.2521137586471944) internal successors, (1629), 1389 states have internal predecessors, (1629), 847 states have call successors, (847), 193 states have call predecessors, (847), 192 states have return successors, (840), 824 states have call predecessors, (840), 840 states have call successors, (840) [2022-11-03 02:13:27,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-03 02:13:27,479 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:13:27,479 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 02:13:27,480 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_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-03 02:13:27,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:13:27,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1290487985, now seen corresponding path program 1 times [2022-11-03 02:13:27,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:13:27,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694198471] [2022-11-03 02:13:27,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:13:27,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:13:28,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:13:29,242 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 02:13:29,243 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:13:29,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694198471] [2022-11-03 02:13:29,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694198471] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:13:29,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:13:29,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:13:29,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359529917] [2022-11-03 02:13:29,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:13:29,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:13:29,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:13:29,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:13:29,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:13:29,300 INFO L87 Difference]: Start difference. First operand has 2368 states, 1301 states have (on average 1.2521137586471944) internal successors, (1629), 1389 states have internal predecessors, (1629), 847 states have call successors, (847), 193 states have call predecessors, (847), 192 states have return successors, (840), 824 states have call predecessors, (840), 840 states have call successors, (840) 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 02:13:32,311 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 02:13:36,480 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 02:13:36,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:13:36,755 INFO L93 Difference]: Finished difference Result 6466 states and 9409 transitions. [2022-11-03 02:13:36,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:13:36,758 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 02:13:36,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:13:36,801 INFO L225 Difference]: With dead ends: 6466 [2022-11-03 02:13:36,801 INFO L226 Difference]: Without dead ends: 4094 [2022-11-03 02:13:36,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:13:36,824 INFO L413 NwaCegarLoop]: 3527 mSDtfsCounter, 2407 mSDsluCounter, 7114 mSDsCounter, 0 mSdLazyCounter, 1132 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2409 SdHoareTripleChecker+Valid, 9898 SdHoareTripleChecker+Invalid, 1135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1132 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:13:36,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2409 Valid, 9898 Invalid, 1135 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1132 Invalid, 2 Unknown, 0 Unchecked, 6.9s Time] [2022-11-03 02:13:36,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4094 states. [2022-11-03 02:13:37,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4094 to 3916. [2022-11-03 02:13:37,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3916 states, 2142 states have (on average 1.2189542483660132) internal successors, (2611), 2260 states have internal predecessors, (2611), 1403 states have call successors, (1403), 343 states have call predecessors, (1403), 341 states have return successors, (1403), 1374 states have call predecessors, (1403), 1401 states have call successors, (1403) [2022-11-03 02:13:37,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3916 states to 3916 states and 5417 transitions. [2022-11-03 02:13:37,163 INFO L78 Accepts]: Start accepts. Automaton has 3916 states and 5417 transitions. Word has length 47 [2022-11-03 02:13:37,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:13:37,164 INFO L495 AbstractCegarLoop]: Abstraction has 3916 states and 5417 transitions. [2022-11-03 02:13:37,164 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 02:13:37,165 INFO L276 IsEmpty]: Start isEmpty. Operand 3916 states and 5417 transitions. [2022-11-03 02:13:37,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-03 02:13:37,174 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:13:37,174 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 02:13:37,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:13:37,175 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_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-03 02:13:37,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:13:37,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1470152580, now seen corresponding path program 1 times [2022-11-03 02:13:37,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:13:37,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986079654] [2022-11-03 02:13:37,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:13:37,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:13:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:13:38,338 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 02:13:38,338 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:13:38,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986079654] [2022-11-03 02:13:38,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986079654] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:13:38,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:13:38,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:13:38,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196231142] [2022-11-03 02:13:38,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:13:38,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:13:38,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:13:38,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:13:38,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:13:38,342 INFO L87 Difference]: Start difference. First operand 3916 states and 5417 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 02:13:41,093 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 02:13:44,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:13:46,787 WARN L539 Checker$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 02:13:47,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:13:47,290 INFO L93 Difference]: Finished difference Result 5697 states and 7819 transitions. [2022-11-03 02:13:47,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:13:47,291 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 02:13:47,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:13:47,330 INFO L225 Difference]: With dead ends: 5697 [2022-11-03 02:13:47,330 INFO L226 Difference]: Without dead ends: 5695 [2022-11-03 02:13:47,335 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 02:13:47,336 INFO L413 NwaCegarLoop]: 3511 mSDtfsCounter, 2407 mSDsluCounter, 7076 mSDsCounter, 0 mSdLazyCounter, 1127 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2409 SdHoareTripleChecker+Valid, 9842 SdHoareTripleChecker+Invalid, 1130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1127 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:13:47,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2409 Valid, 9842 Invalid, 1130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1127 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time] [2022-11-03 02:13:47,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5695 states. [2022-11-03 02:13:47,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5695 to 5528. [2022-11-03 02:13:47,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5528 states, 3018 states have (on average 1.2173624917163686) internal successors, (3674), 3175 states have internal predecessors, (3674), 1985 states have call successors, (1985), 497 states have call predecessors, (1985), 495 states have return successors, (1985), 1943 states have call predecessors, (1985), 1983 states have call successors, (1985) [2022-11-03 02:13:47,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5528 states to 5528 states and 7644 transitions. [2022-11-03 02:13:47,702 INFO L78 Accepts]: Start accepts. Automaton has 5528 states and 7644 transitions. Word has length 52 [2022-11-03 02:13:47,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:13:47,703 INFO L495 AbstractCegarLoop]: Abstraction has 5528 states and 7644 transitions. [2022-11-03 02:13:47,704 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 02:13:47,704 INFO L276 IsEmpty]: Start isEmpty. Operand 5528 states and 7644 transitions. [2022-11-03 02:13:47,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-03 02:13:47,711 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:13:47,712 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 02:13:47,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:13:47,712 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_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-03 02:13:47,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:13:47,713 INFO L85 PathProgramCache]: Analyzing trace with hash 306637433, now seen corresponding path program 1 times [2022-11-03 02:13:47,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:13:47,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793903354] [2022-11-03 02:13:47,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:13:47,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:13:47,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:13:48,647 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 02:13:48,648 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:13:48,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793903354] [2022-11-03 02:13:48,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793903354] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:13:48,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:13:48,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:13:48,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924522210] [2022-11-03 02:13:48,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:13:48,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:13:48,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:13:48,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:13:48,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:13:48,651 INFO L87 Difference]: Start difference. First operand 5528 states and 7644 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 02:13:51,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:13:56,777 WARN L539 Checker$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 02:13:57,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:13:57,059 INFO L93 Difference]: Finished difference Result 5695 states and 7817 transitions. [2022-11-03 02:13:57,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:13:57,060 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 02:13:57,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:13:57,096 INFO L225 Difference]: With dead ends: 5695 [2022-11-03 02:13:57,096 INFO L226 Difference]: Without dead ends: 5693 [2022-11-03 02:13:57,101 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 02:13:57,104 INFO L413 NwaCegarLoop]: 3511 mSDtfsCounter, 2404 mSDsluCounter, 7076 mSDsCounter, 0 mSdLazyCounter, 1127 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2406 SdHoareTripleChecker+Valid, 9842 SdHoareTripleChecker+Invalid, 1130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1127 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:13:57,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2406 Valid, 9842 Invalid, 1130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1127 Invalid, 2 Unknown, 0 Unchecked, 8.1s Time] [2022-11-03 02:13:57,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5693 states. [2022-11-03 02:13:57,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5693 to 5534. [2022-11-03 02:13:57,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5534 states, 3021 states have (on average 1.217146640185369) internal successors, (3677), 3178 states have internal predecessors, (3677), 1987 states have call successors, (1987), 498 states have call predecessors, (1987), 496 states have return successors, (1987), 1945 states have call predecessors, (1987), 1985 states have call successors, (1987) [2022-11-03 02:13:57,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5534 states to 5534 states and 7651 transitions. [2022-11-03 02:13:57,601 INFO L78 Accepts]: Start accepts. Automaton has 5534 states and 7651 transitions. Word has length 57 [2022-11-03 02:13:57,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:13:57,603 INFO L495 AbstractCegarLoop]: Abstraction has 5534 states and 7651 transitions. [2022-11-03 02:13:57,604 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 02:13:57,605 INFO L276 IsEmpty]: Start isEmpty. Operand 5534 states and 7651 transitions. [2022-11-03 02:13:57,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-03 02:13:57,608 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:13:57,608 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 02:13:57,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:13:57,609 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_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-03 02:13:57,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:13:57,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1634717069, now seen corresponding path program 1 times [2022-11-03 02:13:57,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:13:57,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478042178] [2022-11-03 02:13:57,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:13:57,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:13:57,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:13:58,569 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 02:13:58,569 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:13:58,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478042178] [2022-11-03 02:13:58,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478042178] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:13:58,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:13:58,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:13:58,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508926809] [2022-11-03 02:13:58,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:13:58,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:13:58,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:13:58,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:13:58,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:13:58,572 INFO L87 Difference]: Start difference. First operand 5534 states and 7651 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 02:14:01,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:14:06,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:14:07,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:14:08,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:14:08,172 INFO L93 Difference]: Finished difference Result 5693 states and 7815 transitions. [2022-11-03 02:14:08,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:14:08,173 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 02:14:08,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:14:08,210 INFO L225 Difference]: With dead ends: 5693 [2022-11-03 02:14:08,211 INFO L226 Difference]: Without dead ends: 5691 [2022-11-03 02:14:08,216 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 02:14:08,217 INFO L413 NwaCegarLoop]: 3511 mSDtfsCounter, 2401 mSDsluCounter, 7076 mSDsCounter, 0 mSdLazyCounter, 1128 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2403 SdHoareTripleChecker+Valid, 9842 SdHoareTripleChecker+Invalid, 1130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1128 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:14:08,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2403 Valid, 9842 Invalid, 1130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1128 Invalid, 1 Unknown, 0 Unchecked, 9.2s Time] [2022-11-03 02:14:08,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5691 states. [2022-11-03 02:14:08,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5691 to 5540. [2022-11-03 02:14:08,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5540 states, 3024 states have (on average 1.216931216931217) internal successors, (3680), 3181 states have internal predecessors, (3680), 1989 states have call successors, (1989), 499 states have call predecessors, (1989), 497 states have return successors, (1989), 1947 states have call predecessors, (1989), 1987 states have call successors, (1989) [2022-11-03 02:14:08,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5540 states to 5540 states and 7658 transitions. [2022-11-03 02:14:08,619 INFO L78 Accepts]: Start accepts. Automaton has 5540 states and 7658 transitions. Word has length 62 [2022-11-03 02:14:08,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:14:08,620 INFO L495 AbstractCegarLoop]: Abstraction has 5540 states and 7658 transitions. [2022-11-03 02:14:08,620 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 02:14:08,620 INFO L276 IsEmpty]: Start isEmpty. Operand 5540 states and 7658 transitions. [2022-11-03 02:14:08,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-03 02:14:08,622 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:14:08,623 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 02:14:08,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:14:08,623 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_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-03 02:14:08,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:14:08,624 INFO L85 PathProgramCache]: Analyzing trace with hash -369807573, now seen corresponding path program 1 times [2022-11-03 02:14:08,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:14:08,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808692676] [2022-11-03 02:14:08,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:14:08,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:14:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:14:09,368 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 02:14:09,368 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:14:09,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808692676] [2022-11-03 02:14:09,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808692676] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:14:09,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:14:09,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:14:09,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194643606] [2022-11-03 02:14:09,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:14:09,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:14:09,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:14:09,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:14:09,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:14:09,372 INFO L87 Difference]: Start difference. First operand 5540 states and 7658 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 02:14:12,002 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 02:14:15,928 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 02:14:16,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:14:16,893 INFO L93 Difference]: Finished difference Result 5691 states and 7813 transitions. [2022-11-03 02:14:16,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:14:16,894 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 02:14:16,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:14:16,928 INFO L225 Difference]: With dead ends: 5691 [2022-11-03 02:14:16,928 INFO L226 Difference]: Without dead ends: 5689 [2022-11-03 02:14:16,933 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 02:14:16,934 INFO L413 NwaCegarLoop]: 3511 mSDtfsCounter, 2398 mSDsluCounter, 7076 mSDsCounter, 0 mSdLazyCounter, 1128 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2400 SdHoareTripleChecker+Valid, 9842 SdHoareTripleChecker+Invalid, 1130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1128 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:14:16,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2400 Valid, 9842 Invalid, 1130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1128 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2022-11-03 02:14:16,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5689 states. [2022-11-03 02:14:17,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5689 to 5546. [2022-11-03 02:14:17,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5546 states, 3027 states have (on average 1.2167162206805417) internal successors, (3683), 3184 states have internal predecessors, (3683), 1991 states have call successors, (1991), 500 states have call predecessors, (1991), 498 states have return successors, (1991), 1949 states have call predecessors, (1991), 1989 states have call successors, (1991) [2022-11-03 02:14:17,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5546 states to 5546 states and 7665 transitions. [2022-11-03 02:14:17,326 INFO L78 Accepts]: Start accepts. Automaton has 5546 states and 7665 transitions. Word has length 67 [2022-11-03 02:14:17,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:14:17,326 INFO L495 AbstractCegarLoop]: Abstraction has 5546 states and 7665 transitions. [2022-11-03 02:14:17,327 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 02:14:17,327 INFO L276 IsEmpty]: Start isEmpty. Operand 5546 states and 7665 transitions. [2022-11-03 02:14:17,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-03 02:14:17,328 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:14:17,328 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 02:14:17,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 02:14:17,329 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_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-03 02:14:17,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:14:17,329 INFO L85 PathProgramCache]: Analyzing trace with hash 580662307, now seen corresponding path program 1 times [2022-11-03 02:14:17,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:14:17,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333736668] [2022-11-03 02:14:17,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:14:17,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:14:17,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:14:18,066 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 02:14:18,066 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:14:18,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333736668] [2022-11-03 02:14:18,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333736668] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:14:18,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:14:18,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:14:18,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120726895] [2022-11-03 02:14:18,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:14:18,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:14:18,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:14:18,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:14:18,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:14:18,068 INFO L87 Difference]: Start difference. First operand 5546 states and 7665 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 02:14:20,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:14:24,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:14:26,068 WARN L539 Checker$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 02:14:28,093 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 02:14:28,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:14:28,405 INFO L93 Difference]: Finished difference Result 5689 states and 7811 transitions. [2022-11-03 02:14:28,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:14:28,406 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 02:14:28,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:14:28,439 INFO L225 Difference]: With dead ends: 5689 [2022-11-03 02:14:28,440 INFO L226 Difference]: Without dead ends: 5687 [2022-11-03 02:14:28,445 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 02:14:28,446 INFO L413 NwaCegarLoop]: 3511 mSDtfsCounter, 2395 mSDsluCounter, 7076 mSDsCounter, 0 mSdLazyCounter, 1126 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2397 SdHoareTripleChecker+Valid, 9842 SdHoareTripleChecker+Invalid, 1130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1126 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:14:28,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2397 Valid, 9842 Invalid, 1130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1126 Invalid, 3 Unknown, 0 Unchecked, 10.0s Time] [2022-11-03 02:14:28,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5687 states. [2022-11-03 02:14:28,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5687 to 5552. [2022-11-03 02:14:28,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5552 states, 3030 states have (on average 1.2165016501650165) internal successors, (3686), 3187 states have internal predecessors, (3686), 1993 states have call successors, (1993), 501 states have call predecessors, (1993), 499 states have return successors, (1993), 1951 states have call predecessors, (1993), 1991 states have call successors, (1993) [2022-11-03 02:14:28,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5552 states to 5552 states and 7672 transitions. [2022-11-03 02:14:28,871 INFO L78 Accepts]: Start accepts. Automaton has 5552 states and 7672 transitions. Word has length 72 [2022-11-03 02:14:28,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:14:28,874 INFO L495 AbstractCegarLoop]: Abstraction has 5552 states and 7672 transitions. [2022-11-03 02:14:28,874 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 02:14:28,874 INFO L276 IsEmpty]: Start isEmpty. Operand 5552 states and 7672 transitions. [2022-11-03 02:14:28,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-03 02:14:28,875 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:14:28,876 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, 1] [2022-11-03 02:14:28,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 02:14:28,877 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_net_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-03 02:14:28,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:14:28,878 INFO L85 PathProgramCache]: Analyzing trace with hash -218234462, now seen corresponding path program 1 times [2022-11-03 02:14:28,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:14:28,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627009819] [2022-11-03 02:14:28,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:14:28,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:14:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:14:29,797 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 02:14:29,798 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:14:29,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627009819] [2022-11-03 02:14:29,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627009819] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:14:29,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:14:29,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:14:29,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734066218] [2022-11-03 02:14:29,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:14:29,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:14:29,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:14:29,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:14:29,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:14:29,801 INFO L87 Difference]: Start difference. First operand 5552 states and 7672 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, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-03 02:14:32,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:14:35,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:14:37,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:14:37,050 INFO L93 Difference]: Finished difference Result 12099 states and 16661 transitions. [2022-11-03 02:14:37,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:14:37,051 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, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 90 [2022-11-03 02:14:37,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:14:37,097 INFO L225 Difference]: With dead ends: 12099 [2022-11-03 02:14:37,097 INFO L226 Difference]: Without dead ends: 6565 [2022-11-03 02:14:37,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 02:14:37,134 INFO L413 NwaCegarLoop]: 3249 mSDtfsCounter, 2416 mSDsluCounter, 2132 mSDsCounter, 0 mSdLazyCounter, 617 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2416 SdHoareTripleChecker+Valid, 5142 SdHoareTripleChecker+Invalid, 619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 617 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:14:37,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2416 Valid, 5142 Invalid, 619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 617 Invalid, 1 Unknown, 0 Unchecked, 6.8s Time] [2022-11-03 02:14:37,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6565 states. [2022-11-03 02:14:37,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6565 to 6553. [2022-11-03 02:14:37,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6553 states, 3553 states have (on average 1.207993245144948) internal successors, (4292), 3731 states have internal predecessors, (4292), 2354 states have call successors, (2354), 619 states have call predecessors, (2354), 616 states have return successors, (2354), 2306 states have call predecessors, (2354), 2352 states have call successors, (2354) [2022-11-03 02:14:37,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6553 states to 6553 states and 9000 transitions. [2022-11-03 02:14:37,682 INFO L78 Accepts]: Start accepts. Automaton has 6553 states and 9000 transitions. Word has length 90 [2022-11-03 02:14:37,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:14:37,682 INFO L495 AbstractCegarLoop]: Abstraction has 6553 states and 9000 transitions. [2022-11-03 02:14:37,683 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, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-03 02:14:37,683 INFO L276 IsEmpty]: Start isEmpty. Operand 6553 states and 9000 transitions. [2022-11-03 02:14:37,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-03 02:14:37,684 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:14:37,685 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 02:14:37,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 02:14:37,685 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_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-03 02:14:37,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:14:37,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1489171333, now seen corresponding path program 1 times [2022-11-03 02:14:37,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:14:37,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932713659] [2022-11-03 02:14:37,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:14:37,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:14:37,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:14:38,701 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 02:14:38,702 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:14:38,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932713659] [2022-11-03 02:14:38,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932713659] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:14:38,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:14:38,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:14:38,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513082843] [2022-11-03 02:14:38,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:14:38,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:14:38,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:14:38,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:14:38,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:14:38,706 INFO L87 Difference]: Start difference. First operand 6553 states and 9000 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 02:14:41,669 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 02:14:45,602 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 02:14:45,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:14:45,887 INFO L93 Difference]: Finished difference Result 6686 states and 9136 transitions. [2022-11-03 02:14:45,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:14:45,888 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 02:14:45,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:14:45,921 INFO L225 Difference]: With dead ends: 6686 [2022-11-03 02:14:45,922 INFO L226 Difference]: Without dead ends: 6684 [2022-11-03 02:14:45,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:14:45,928 INFO L413 NwaCegarLoop]: 3532 mSDtfsCounter, 2387 mSDsluCounter, 7102 mSDsCounter, 0 mSdLazyCounter, 1139 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2389 SdHoareTripleChecker+Valid, 9884 SdHoareTripleChecker+Invalid, 1142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1139 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:14:45,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2389 Valid, 9884 Invalid, 1142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1139 Invalid, 2 Unknown, 0 Unchecked, 6.8s Time] [2022-11-03 02:14:45,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6684 states. [2022-11-03 02:14:46,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6684 to 6559. [2022-11-03 02:14:46,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6559 states, 3556 states have (on average 1.2078177727784027) internal successors, (4295), 3734 states have internal predecessors, (4295), 2356 states have call successors, (2356), 620 states have call predecessors, (2356), 617 states have return successors, (2356), 2308 states have call predecessors, (2356), 2354 states have call successors, (2356) [2022-11-03 02:14:46,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6559 states to 6559 states and 9007 transitions. [2022-11-03 02:14:46,465 INFO L78 Accepts]: Start accepts. Automaton has 6559 states and 9007 transitions. Word has length 77 [2022-11-03 02:14:46,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:14:46,465 INFO L495 AbstractCegarLoop]: Abstraction has 6559 states and 9007 transitions. [2022-11-03 02:14:46,466 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 02:14:46,466 INFO L276 IsEmpty]: Start isEmpty. Operand 6559 states and 9007 transitions. [2022-11-03 02:14:46,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-03 02:14:46,471 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:14:46,471 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 02:14:46,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 02:14:46,472 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-03 02:14:46,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:14:46,472 INFO L85 PathProgramCache]: Analyzing trace with hash -997919326, now seen corresponding path program 1 times [2022-11-03 02:14:46,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:14:46,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937653780] [2022-11-03 02:14:46,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:14:46,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:14:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:14:47,219 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 02:14:47,219 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:14:47,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937653780] [2022-11-03 02:14:47,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937653780] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:14:47,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:14:47,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:14:47,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14462141] [2022-11-03 02:14:47,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:14:47,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:14:47,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:14:47,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:14:47,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:14:47,223 INFO L87 Difference]: Start difference. First operand 6559 states and 9007 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 02:14:50,009 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 02:14:53,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:14:54,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:14:54,149 INFO L93 Difference]: Finished difference Result 6684 states and 9134 transitions. [2022-11-03 02:14:54,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:14:54,149 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 02:14:54,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:14:54,182 INFO L225 Difference]: With dead ends: 6684 [2022-11-03 02:14:54,182 INFO L226 Difference]: Without dead ends: 6682 [2022-11-03 02:14:54,187 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 02:14:54,188 INFO L413 NwaCegarLoop]: 3532 mSDtfsCounter, 2392 mSDsluCounter, 7098 mSDsCounter, 0 mSdLazyCounter, 1139 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2394 SdHoareTripleChecker+Valid, 9880 SdHoareTripleChecker+Invalid, 1142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1139 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:14:54,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2394 Valid, 9880 Invalid, 1142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1139 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2022-11-03 02:14:54,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6682 states. [2022-11-03 02:14:54,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6682 to 6567. [2022-11-03 02:14:54,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6567 states, 3561 states have (on average 1.207806795843864) internal successors, (4301), 3739 states have internal predecessors, (4301), 2358 states have call successors, (2358), 621 states have call predecessors, (2358), 618 states have return successors, (2358), 2310 states have call predecessors, (2358), 2356 states have call successors, (2358) [2022-11-03 02:14:54,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6567 states to 6567 states and 9017 transitions. [2022-11-03 02:14:54,710 INFO L78 Accepts]: Start accepts. Automaton has 6567 states and 9017 transitions. Word has length 82 [2022-11-03 02:14:54,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:14:54,711 INFO L495 AbstractCegarLoop]: Abstraction has 6567 states and 9017 transitions. [2022-11-03 02:14:54,711 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 02:14:54,711 INFO L276 IsEmpty]: Start isEmpty. Operand 6567 states and 9017 transitions. [2022-11-03 02:14:54,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-03 02:14:54,714 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:14:54,714 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, 1, 1, 1, 1] [2022-11-03 02:14:54,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-03 02:14:54,715 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_usb_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-03 02:14:54,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:14:54,724 INFO L85 PathProgramCache]: Analyzing trace with hash 969234186, now seen corresponding path program 1 times [2022-11-03 02:14:54,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:14:54,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089663050] [2022-11-03 02:14:54,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:14:54,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:14:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:14:55,511 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 02:14:55,512 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:14:55,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089663050] [2022-11-03 02:14:55,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089663050] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:14:55,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863032558] [2022-11-03 02:14:55,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:14:55,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:14:55,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f7d4c2-1267-4d25-bb52-c667098d2e5c/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:14:55,518 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f7d4c2-1267-4d25-bb52-c667098d2e5c/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:14:55,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f7d4c2-1267-4d25-bb52-c667098d2e5c/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:14:57,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:14:57,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 5235 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:14:57,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:14:57,373 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 02:14:57,373 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:14:57,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863032558] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:14:57,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:14:57,373 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2022-11-03 02:14:57,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479932558] [2022-11-03 02:14:57,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:14:57,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:14:57,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:14:57,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:14:57,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:14:57,376 INFO L87 Difference]: Start difference. First operand 6567 states and 9017 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-03 02:14:59,965 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 02:15:03,973 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 02:15:04,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:15:04,270 INFO L93 Difference]: Finished difference Result 13132 states and 18023 transitions. [2022-11-03 02:15:04,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:15:04,271 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 98 [2022-11-03 02:15:04,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:15:04,298 INFO L225 Difference]: With dead ends: 13132 [2022-11-03 02:15:04,298 INFO L226 Difference]: Without dead ends: 6583 [2022-11-03 02:15:04,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:15:04,331 INFO L413 NwaCegarLoop]: 3251 mSDtfsCounter, 2402 mSDsluCounter, 2146 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2402 SdHoareTripleChecker+Valid, 5156 SdHoareTripleChecker+Invalid, 620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:15:04,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2402 Valid, 5156 Invalid, 620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 618 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2022-11-03 02:15:04,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6583 states. [2022-11-03 02:15:04,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6583 to 6571. [2022-11-03 02:15:04,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6571 states, 3561 states have (on average 1.2066835158663296) internal successors, (4297), 3739 states have internal predecessors, (4297), 2360 states have call successors, (2360), 623 states have call predecessors, (2360), 620 states have return successors, (2360), 2312 states have call predecessors, (2360), 2358 states have call successors, (2360) [2022-11-03 02:15:04,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6571 states to 6571 states and 9017 transitions. [2022-11-03 02:15:04,800 INFO L78 Accepts]: Start accepts. Automaton has 6571 states and 9017 transitions. Word has length 98 [2022-11-03 02:15:04,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:15:04,801 INFO L495 AbstractCegarLoop]: Abstraction has 6571 states and 9017 transitions. [2022-11-03 02:15:04,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-03 02:15:04,801 INFO L276 IsEmpty]: Start isEmpty. Operand 6571 states and 9017 transitions. [2022-11-03 02:15:04,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-03 02:15:04,803 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:15:04,803 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 02:15:04,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f7d4c2-1267-4d25-bb52-c667098d2e5c/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:15:05,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f7d4c2-1267-4d25-bb52-c667098d2e5c/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-03 02:15:05,020 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_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-03 02:15:05,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:15:05,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1222593435, now seen corresponding path program 1 times [2022-11-03 02:15:05,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:15:05,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516227524] [2022-11-03 02:15:05,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:15:05,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:15:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:15:05,692 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 02:15:05,693 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:15:05,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516227524] [2022-11-03 02:15:05,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516227524] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:15:05,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:15:05,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:15:05,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395409029] [2022-11-03 02:15:05,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:15:05,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:15:05,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:15:05,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:15:05,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:15:05,696 INFO L87 Difference]: Start difference. First operand 6571 states and 9017 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 02:15:08,572 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 02:15:12,490 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 02:15:12,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:15:12,718 INFO L93 Difference]: Finished difference Result 6684 states and 9131 transitions. [2022-11-03 02:15:12,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:15:12,718 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 02:15:12,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:15:12,748 INFO L225 Difference]: With dead ends: 6684 [2022-11-03 02:15:12,748 INFO L226 Difference]: Without dead ends: 6682 [2022-11-03 02:15:12,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:15:12,754 INFO L413 NwaCegarLoop]: 3532 mSDtfsCounter, 2375 mSDsluCounter, 7102 mSDsCounter, 0 mSdLazyCounter, 1139 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2377 SdHoareTripleChecker+Valid, 9884 SdHoareTripleChecker+Invalid, 1142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1139 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:15:12,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2377 Valid, 9884 Invalid, 1142 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1139 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2022-11-03 02:15:12,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6682 states. [2022-11-03 02:15:13,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6682 to 6571. [2022-11-03 02:15:13,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6571 states, 3561 states have (on average 1.206402695871946) internal successors, (4296), 3739 states have internal predecessors, (4296), 2360 states have call successors, (2360), 623 states have call predecessors, (2360), 620 states have return successors, (2360), 2312 states have call predecessors, (2360), 2358 states have call successors, (2360) [2022-11-03 02:15:13,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6571 states to 6571 states and 9016 transitions. [2022-11-03 02:15:13,277 INFO L78 Accepts]: Start accepts. Automaton has 6571 states and 9016 transitions. Word has length 84 [2022-11-03 02:15:13,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:15:13,279 INFO L495 AbstractCegarLoop]: Abstraction has 6571 states and 9016 transitions. [2022-11-03 02:15:13,279 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 02:15:13,279 INFO L276 IsEmpty]: Start isEmpty. Operand 6571 states and 9016 transitions. [2022-11-03 02:15:13,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-03 02:15:13,281 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:15:13,281 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 02:15:13,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-03 02:15:13,281 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_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-03 02:15:13,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:15:13,282 INFO L85 PathProgramCache]: Analyzing trace with hash 748539769, now seen corresponding path program 1 times [2022-11-03 02:15:13,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:15:13,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300607472] [2022-11-03 02:15:13,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:15:13,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:15:13,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:15:14,038 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 02:15:14,038 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:15:14,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300607472] [2022-11-03 02:15:14,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300607472] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:15:14,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:15:14,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:15:14,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716745608] [2022-11-03 02:15:14,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:15:14,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:15:14,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:15:14,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:15:14,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:15:14,040 INFO L87 Difference]: Start difference. First operand 6571 states and 9016 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 02:15:16,831 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 02:15:20,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:15:22,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:15:23,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:15:23,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:15:23,444 INFO L93 Difference]: Finished difference Result 6682 states and 9129 transitions. [2022-11-03 02:15:23,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:15:23,444 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 02:15:23,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:15:23,475 INFO L225 Difference]: With dead ends: 6682 [2022-11-03 02:15:23,475 INFO L226 Difference]: Without dead ends: 6680 [2022-11-03 02:15:23,481 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 02:15:23,482 INFO L413 NwaCegarLoop]: 3532 mSDtfsCounter, 2374 mSDsluCounter, 7104 mSDsCounter, 0 mSdLazyCounter, 1141 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2376 SdHoareTripleChecker+Valid, 9884 SdHoareTripleChecker+Invalid, 1144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1141 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:15:23,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2376 Valid, 9884 Invalid, 1144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1141 Invalid, 2 Unknown, 0 Unchecked, 9.0s Time] [2022-11-03 02:15:23,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6680 states. [2022-11-03 02:15:24,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6680 to 6577. [2022-11-03 02:15:24,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6577 states, 3564 states have (on average 1.2062289562289563) internal successors, (4299), 3742 states have internal predecessors, (4299), 2362 states have call successors, (2362), 624 states have call predecessors, (2362), 621 states have return successors, (2362), 2314 states have call predecessors, (2362), 2360 states have call successors, (2362) [2022-11-03 02:15:24,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6577 states to 6577 states and 9023 transitions. [2022-11-03 02:15:24,072 INFO L78 Accepts]: Start accepts. Automaton has 6577 states and 9023 transitions. Word has length 89 [2022-11-03 02:15:24,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:15:24,072 INFO L495 AbstractCegarLoop]: Abstraction has 6577 states and 9023 transitions. [2022-11-03 02:15:24,073 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 02:15:24,073 INFO L276 IsEmpty]: Start isEmpty. Operand 6577 states and 9023 transitions. [2022-11-03 02:15:24,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-03 02:15:24,074 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:15:24,075 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 02:15:24,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-03 02:15:24,075 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_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-03 02:15:24,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:15:24,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1886003622, now seen corresponding path program 1 times [2022-11-03 02:15:24,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:15:24,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290569806] [2022-11-03 02:15:24,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:15:24,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:15:24,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:15:24,774 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 02:15:24,774 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:15:24,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290569806] [2022-11-03 02:15:24,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290569806] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:15:24,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:15:24,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:15:24,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680431916] [2022-11-03 02:15:24,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:15:24,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:15:24,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:15:24,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:15:24,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:15:24,777 INFO L87 Difference]: Start difference. First operand 6577 states and 9023 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 02:15:27,556 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 02:15:31,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:15:31,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:15:31,750 INFO L93 Difference]: Finished difference Result 6680 states and 9127 transitions. [2022-11-03 02:15:31,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:15:31,750 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 02:15:31,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:15:31,773 INFO L225 Difference]: With dead ends: 6680 [2022-11-03 02:15:31,773 INFO L226 Difference]: Without dead ends: 6678 [2022-11-03 02:15:31,778 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 02:15:31,779 INFO L413 NwaCegarLoop]: 3532 mSDtfsCounter, 2371 mSDsluCounter, 7102 mSDsCounter, 0 mSdLazyCounter, 1139 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2373 SdHoareTripleChecker+Valid, 9884 SdHoareTripleChecker+Invalid, 1142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1139 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:15:31,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2373 Valid, 9884 Invalid, 1142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1139 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2022-11-03 02:15:31,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6678 states. [2022-11-03 02:15:32,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6678 to 6583. [2022-11-03 02:15:32,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6583 states, 3567 states have (on average 1.2060555088309504) internal successors, (4302), 3745 states have internal predecessors, (4302), 2364 states have call successors, (2364), 625 states have call predecessors, (2364), 622 states have return successors, (2364), 2316 states have call predecessors, (2364), 2362 states have call successors, (2364) [2022-11-03 02:15:32,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6583 states to 6583 states and 9030 transitions. [2022-11-03 02:15:32,403 INFO L78 Accepts]: Start accepts. Automaton has 6583 states and 9030 transitions. Word has length 94 [2022-11-03 02:15:32,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:15:32,404 INFO L495 AbstractCegarLoop]: Abstraction has 6583 states and 9030 transitions. [2022-11-03 02:15:32,404 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 02:15:32,404 INFO L276 IsEmpty]: Start isEmpty. Operand 6583 states and 9030 transitions. [2022-11-03 02:15:32,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-03 02:15:32,406 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:15:32,406 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 02:15:32,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-03 02:15:32,407 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_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-03 02:15:32,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:15:32,407 INFO L85 PathProgramCache]: Analyzing trace with hash 390590525, now seen corresponding path program 1 times [2022-11-03 02:15:32,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:15:32,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768906032] [2022-11-03 02:15:32,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:15:32,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:15:32,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:15:33,089 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 02:15:33,090 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:15:33,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768906032] [2022-11-03 02:15:33,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768906032] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:15:33,090 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:15:33,090 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:15:33,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627391005] [2022-11-03 02:15:33,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:15:33,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:15:33,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:15:33,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:15:33,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:15:33,093 INFO L87 Difference]: Start difference. First operand 6583 states and 9030 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 02:15:35,832 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 02:15:39,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:15:41,639 WARN L539 Checker$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 02:15:43,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:15:43,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:15:43,923 INFO L93 Difference]: Finished difference Result 6678 states and 9125 transitions. [2022-11-03 02:15:43,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:15:43,924 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 02:15:43,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:15:43,944 INFO L225 Difference]: With dead ends: 6678 [2022-11-03 02:15:43,944 INFO L226 Difference]: Without dead ends: 6676 [2022-11-03 02:15:43,947 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 02:15:43,948 INFO L413 NwaCegarLoop]: 3532 mSDtfsCounter, 2368 mSDsluCounter, 7104 mSDsCounter, 0 mSdLazyCounter, 1141 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2370 SdHoareTripleChecker+Valid, 9884 SdHoareTripleChecker+Invalid, 1144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1141 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:15:43,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2370 Valid, 9884 Invalid, 1144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1141 Invalid, 2 Unknown, 0 Unchecked, 10.3s Time] [2022-11-03 02:15:43,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6676 states. [2022-11-03 02:15:44,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6676 to 6589. [2022-11-03 02:15:44,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6589 states, 3570 states have (on average 1.2058823529411764) internal successors, (4305), 3748 states have internal predecessors, (4305), 2366 states have call successors, (2366), 626 states have call predecessors, (2366), 623 states have return successors, (2366), 2318 states have call predecessors, (2366), 2364 states have call successors, (2366) [2022-11-03 02:15:44,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6589 states to 6589 states and 9037 transitions. [2022-11-03 02:15:44,420 INFO L78 Accepts]: Start accepts. Automaton has 6589 states and 9037 transitions. Word has length 99 [2022-11-03 02:15:44,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:15:44,421 INFO L495 AbstractCegarLoop]: Abstraction has 6589 states and 9037 transitions. [2022-11-03 02:15:44,421 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 02:15:44,421 INFO L276 IsEmpty]: Start isEmpty. Operand 6589 states and 9037 transitions. [2022-11-03 02:15:44,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-03 02:15:44,423 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:15:44,423 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 02:15:44,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-03 02:15:44,424 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_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-03 02:15:44,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:15:44,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1794728202, now seen corresponding path program 1 times [2022-11-03 02:15:44,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:15:44,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519962705] [2022-11-03 02:15:44,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:15:44,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:15:44,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:15:45,151 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 02:15:45,151 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:15:45,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519962705] [2022-11-03 02:15:45,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519962705] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:15:45,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:15:45,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:15:45,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015263165] [2022-11-03 02:15:45,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:15:45,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:15:45,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:15:45,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:15:45,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:15:45,156 INFO L87 Difference]: Start difference. First operand 6589 states and 9037 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 02:15:47,842 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 02:15:51,858 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 02:15:52,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:15:52,096 INFO L93 Difference]: Finished difference Result 6676 states and 9123 transitions. [2022-11-03 02:15:52,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:15:52,097 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 02:15:52,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:15:52,115 INFO L225 Difference]: With dead ends: 6676 [2022-11-03 02:15:52,115 INFO L226 Difference]: Without dead ends: 6674 [2022-11-03 02:15:52,120 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 02:15:52,120 INFO L413 NwaCegarLoop]: 3532 mSDtfsCounter, 2365 mSDsluCounter, 7102 mSDsCounter, 0 mSdLazyCounter, 1139 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2367 SdHoareTripleChecker+Valid, 9884 SdHoareTripleChecker+Invalid, 1142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1139 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:15:52,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2367 Valid, 9884 Invalid, 1142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1139 Invalid, 2 Unknown, 0 Unchecked, 6.4s Time] [2022-11-03 02:15:52,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6674 states. [2022-11-03 02:15:52,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6674 to 6595. [2022-11-03 02:15:52,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6595 states, 3573 states have (on average 1.205709487825357) internal successors, (4308), 3751 states have internal predecessors, (4308), 2368 states have call successors, (2368), 627 states have call predecessors, (2368), 624 states have return successors, (2368), 2320 states have call predecessors, (2368), 2366 states have call successors, (2368) [2022-11-03 02:15:52,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6595 states to 6595 states and 9044 transitions. [2022-11-03 02:15:52,644 INFO L78 Accepts]: Start accepts. Automaton has 6595 states and 9044 transitions. Word has length 104 [2022-11-03 02:15:52,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:15:52,644 INFO L495 AbstractCegarLoop]: Abstraction has 6595 states and 9044 transitions. [2022-11-03 02:15:52,644 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 02:15:52,645 INFO L276 IsEmpty]: Start isEmpty. Operand 6595 states and 9044 transitions. [2022-11-03 02:15:52,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-03 02:15:52,647 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:15:52,647 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:15:52,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-03 02:15:52,648 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-03 02:15:52,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:15:52,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1965674856, now seen corresponding path program 1 times [2022-11-03 02:15:52,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:15:52,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620069341] [2022-11-03 02:15:52,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:15:52,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:15:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:15:53,527 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-11-03 02:15:53,527 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:15:53,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620069341] [2022-11-03 02:15:53,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620069341] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:15:53,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:15:53,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:15:53,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778580699] [2022-11-03 02:15:53,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:15:53,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:15:53,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:15:53,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:15:53,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:15:53,530 INFO L87 Difference]: Start difference. First operand 6595 states and 9044 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-03 02:15:56,386 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 02:15:59,903 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 02:16:00,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:16:00,690 INFO L93 Difference]: Finished difference Result 13268 states and 18284 transitions. [2022-11-03 02:16:00,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:16:00,691 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 123 [2022-11-03 02:16:00,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:16:00,718 INFO L225 Difference]: With dead ends: 13268 [2022-11-03 02:16:00,718 INFO L226 Difference]: Without dead ends: 6793 [2022-11-03 02:16:00,745 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 02:16:00,746 INFO L413 NwaCegarLoop]: 2869 mSDtfsCounter, 99 mSDsluCounter, 6424 mSDsCounter, 0 mSdLazyCounter, 1120 mSolverCounterSat, 51 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 8555 SdHoareTripleChecker+Invalid, 1173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1120 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:16:00,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 8555 Invalid, 1173 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [51 Valid, 1120 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2022-11-03 02:16:00,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6793 states. [2022-11-03 02:16:01,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6793 to 6793. [2022-11-03 02:16:01,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6793 states, 3693 states have (on average 1.206607094503114) internal successors, (4456), 3871 states have internal predecessors, (4456), 2443 states have call successors, (2443), 630 states have call predecessors, (2443), 627 states have return successors, (2443), 2395 states have call predecessors, (2443), 2441 states have call successors, (2443) [2022-11-03 02:16:01,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6793 states to 6793 states and 9342 transitions. [2022-11-03 02:16:01,194 INFO L78 Accepts]: Start accepts. Automaton has 6793 states and 9342 transitions. Word has length 123 [2022-11-03 02:16:01,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:16:01,195 INFO L495 AbstractCegarLoop]: Abstraction has 6793 states and 9342 transitions. [2022-11-03 02:16:01,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-03 02:16:01,195 INFO L276 IsEmpty]: Start isEmpty. Operand 6793 states and 9342 transitions. [2022-11-03 02:16:01,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-11-03 02:16:01,198 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:16:01,198 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:16:01,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-03 02:16:01,199 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-03 02:16:01,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:16:01,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1098989513, now seen corresponding path program 1 times [2022-11-03 02:16:01,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:16:01,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564693808] [2022-11-03 02:16:01,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:16:01,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:16:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:16:03,086 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-11-03 02:16:03,087 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:16:03,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564693808] [2022-11-03 02:16:03,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564693808] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:16:03,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:16:03,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:16:03,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889644609] [2022-11-03 02:16:03,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:16:03,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:16:03,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:16:03,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:16:03,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:16:03,089 INFO L87 Difference]: Start difference. First operand 6793 states and 9342 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-03 02:16:07,256 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 02:16:15,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:16:18,001 WARN L539 Checker$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 02:16:20,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:16:22,959 WARN L539 Checker$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 02:16:23,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:16:23,899 INFO L93 Difference]: Finished difference Result 9940 states and 13619 transitions. [2022-11-03 02:16:23,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 02:16:23,899 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) Word has length 127 [2022-11-03 02:16:23,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:16:23,938 INFO L225 Difference]: With dead ends: 9940 [2022-11-03 02:16:23,939 INFO L226 Difference]: Without dead ends: 9938 [2022-11-03 02:16:23,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:16:23,947 INFO L413 NwaCegarLoop]: 4103 mSDtfsCounter, 2995 mSDsluCounter, 15227 mSDsCounter, 0 mSdLazyCounter, 3784 mSolverCounterSat, 3 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2999 SdHoareTripleChecker+Valid, 17605 SdHoareTripleChecker+Invalid, 3792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3784 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:16:23,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2999 Valid, 17605 Invalid, 3792 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 3784 Invalid, 5 Unknown, 0 Unchecked, 19.9s Time] [2022-11-03 02:16:23,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9938 states. [2022-11-03 02:16:24,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9938 to 9749. [2022-11-03 02:16:24,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9749 states, 5300 states have (on average 1.2045283018867925) internal successors, (6384), 5542 states have internal predecessors, (6384), 3496 states have call successors, (3496), 929 states have call predecessors, (3496), 923 states have return successors, (3531), 3424 states have call predecessors, (3531), 3494 states have call successors, (3531) [2022-11-03 02:16:24,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9749 states to 9749 states and 13411 transitions. [2022-11-03 02:16:24,660 INFO L78 Accepts]: Start accepts. Automaton has 9749 states and 13411 transitions. Word has length 127 [2022-11-03 02:16:24,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:16:24,660 INFO L495 AbstractCegarLoop]: Abstraction has 9749 states and 13411 transitions. [2022-11-03 02:16:24,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-03 02:16:24,661 INFO L276 IsEmpty]: Start isEmpty. Operand 9749 states and 13411 transitions. [2022-11-03 02:16:24,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-03 02:16:24,662 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:16:24,663 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 02:16:24,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-03 02:16:24,663 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-03 02:16:24,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:16:24,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1788669281, now seen corresponding path program 1 times [2022-11-03 02:16:24,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:16:24,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550403842] [2022-11-03 02:16:24,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:16:24,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:16:24,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:16:25,289 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 02:16:25,289 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:16:25,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550403842] [2022-11-03 02:16:25,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550403842] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:16:25,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:16:25,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:16:25,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123109059] [2022-11-03 02:16:25,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:16:25,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:16:25,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:16:25,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:16:25,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:16:25,292 INFO L87 Difference]: Start difference. First operand 9749 states and 13411 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 02:16:27,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:16:31,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:16:33,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:16:33,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:16:33,937 INFO L93 Difference]: Finished difference Result 9826 states and 13487 transitions. [2022-11-03 02:16:33,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:16:33,937 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 02:16:33,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:16:33,965 INFO L225 Difference]: With dead ends: 9826 [2022-11-03 02:16:33,965 INFO L226 Difference]: Without dead ends: 9824 [2022-11-03 02:16:33,970 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 02:16:33,970 INFO L413 NwaCegarLoop]: 3532 mSDtfsCounter, 2360 mSDsluCounter, 7104 mSDsCounter, 0 mSdLazyCounter, 1142 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2362 SdHoareTripleChecker+Valid, 9884 SdHoareTripleChecker+Invalid, 1144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1142 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:16:33,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2362 Valid, 9884 Invalid, 1144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1142 Invalid, 1 Unknown, 0 Unchecked, 7.8s Time] [2022-11-03 02:16:33,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9824 states. [2022-11-03 02:16:34,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9824 to 9755. [2022-11-03 02:16:34,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9755 states, 5303 states have (on average 1.2044125966434094) internal successors, (6387), 5545 states have internal predecessors, (6387), 3498 states have call successors, (3498), 930 states have call predecessors, (3498), 924 states have return successors, (3533), 3426 states have call predecessors, (3533), 3496 states have call successors, (3533) [2022-11-03 02:16:34,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9755 states to 9755 states and 13418 transitions. [2022-11-03 02:16:34,718 INFO L78 Accepts]: Start accepts. Automaton has 9755 states and 13418 transitions. Word has length 109 [2022-11-03 02:16:34,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:16:34,719 INFO L495 AbstractCegarLoop]: Abstraction has 9755 states and 13418 transitions. [2022-11-03 02:16:34,719 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 02:16:34,719 INFO L276 IsEmpty]: Start isEmpty. Operand 9755 states and 13418 transitions. [2022-11-03 02:16:34,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-03 02:16:34,721 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:16:34,722 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:16:34,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-03 02:16:34,722 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-03 02:16:34,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:16:34,723 INFO L85 PathProgramCache]: Analyzing trace with hash 718844778, now seen corresponding path program 1 times [2022-11-03 02:16:34,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:16:34,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213185571] [2022-11-03 02:16:34,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:16:34,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:16:34,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:16:35,110 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-11-03 02:16:35,110 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:16:35,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213185571] [2022-11-03 02:16:35,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213185571] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:16:35,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:16:35,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:16:35,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282306155] [2022-11-03 02:16:35,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:16:35,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:16:35,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:16:35,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:16:35,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:16:35,113 INFO L87 Difference]: Start difference. First operand 9755 states and 13418 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-03 02:16:37,609 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 02:16:41,667 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 02:16:42,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:16:42,083 INFO L93 Difference]: Finished difference Result 19453 states and 26812 transitions. [2022-11-03 02:16:42,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:16:42,084 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 130 [2022-11-03 02:16:42,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:16:42,114 INFO L225 Difference]: With dead ends: 19453 [2022-11-03 02:16:42,115 INFO L226 Difference]: Without dead ends: 9818 [2022-11-03 02:16:42,143 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 02:16:42,144 INFO L413 NwaCegarLoop]: 3533 mSDtfsCounter, 2329 mSDsluCounter, 3187 mSDsCounter, 0 mSdLazyCounter, 754 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2329 SdHoareTripleChecker+Valid, 6353 SdHoareTripleChecker+Invalid, 756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 754 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:16:42,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2329 Valid, 6353 Invalid, 756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 754 Invalid, 2 Unknown, 0 Unchecked, 6.1s Time] [2022-11-03 02:16:42,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9818 states. [2022-11-03 02:16:42,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9818 to 9751. [2022-11-03 02:16:42,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9751 states, 5299 states have (on average 1.2038120400075485) internal successors, (6379), 5541 states have internal predecessors, (6379), 3498 states have call successors, (3498), 930 states have call predecessors, (3498), 924 states have return successors, (3533), 3426 states have call predecessors, (3533), 3496 states have call successors, (3533) [2022-11-03 02:16:42,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9751 states to 9751 states and 13410 transitions. [2022-11-03 02:16:42,880 INFO L78 Accepts]: Start accepts. Automaton has 9751 states and 13410 transitions. Word has length 130 [2022-11-03 02:16:42,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:16:42,880 INFO L495 AbstractCegarLoop]: Abstraction has 9751 states and 13410 transitions. [2022-11-03 02:16:42,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-03 02:16:42,881 INFO L276 IsEmpty]: Start isEmpty. Operand 9751 states and 13410 transitions. [2022-11-03 02:16:42,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-11-03 02:16:42,882 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:16:42,882 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 4, 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] [2022-11-03 02:16:42,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-03 02:16:42,883 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-03 02:16:42,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:16:42,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1473775735, now seen corresponding path program 1 times [2022-11-03 02:16:42,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:16:42,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128220091] [2022-11-03 02:16:42,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:16:42,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:16:42,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:16:43,234 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2022-11-03 02:16:43,234 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:16:43,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128220091] [2022-11-03 02:16:43,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128220091] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:16:43,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:16:43,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:16:43,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302295941] [2022-11-03 02:16:43,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:16:43,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:16:43,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:16:43,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:16:43,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:16:43,237 INFO L87 Difference]: Start difference. First operand 9751 states and 13410 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-11-03 02:16:45,972 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 02:16:50,547 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 02:16:51,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:16:51,121 INFO L93 Difference]: Finished difference Result 19397 states and 26792 transitions. [2022-11-03 02:16:51,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:16:51,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 135 [2022-11-03 02:16:51,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:16:51,168 INFO L225 Difference]: With dead ends: 19397 [2022-11-03 02:16:51,169 INFO L226 Difference]: Without dead ends: 9766 [2022-11-03 02:16:51,203 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 02:16:51,203 INFO L413 NwaCegarLoop]: 2847 mSDtfsCounter, 1 mSDsluCounter, 3213 mSDsCounter, 0 mSdLazyCounter, 745 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 5690 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 745 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:16:51,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 5690 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 745 Invalid, 2 Unknown, 0 Unchecked, 7.0s Time] [2022-11-03 02:16:51,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9766 states. [2022-11-03 02:16:51,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9766 to 9756. [2022-11-03 02:16:51,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9756 states, 5304 states have (on average 1.2036199095022624) internal successors, (6384), 5546 states have internal predecessors, (6384), 3498 states have call successors, (3498), 930 states have call predecessors, (3498), 924 states have return successors, (3533), 3426 states have call predecessors, (3533), 3496 states have call successors, (3533) [2022-11-03 02:16:51,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9756 states to 9756 states and 13415 transitions. [2022-11-03 02:16:51,798 INFO L78 Accepts]: Start accepts. Automaton has 9756 states and 13415 transitions. Word has length 135 [2022-11-03 02:16:51,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:16:51,798 INFO L495 AbstractCegarLoop]: Abstraction has 9756 states and 13415 transitions. [2022-11-03 02:16:51,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-11-03 02:16:51,799 INFO L276 IsEmpty]: Start isEmpty. Operand 9756 states and 13415 transitions. [2022-11-03 02:16:51,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-03 02:16:51,800 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:16:51,800 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 02:16:51,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-03 02:16:51,801 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-03 02:16:51,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:16:51,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1896628475, now seen corresponding path program 1 times [2022-11-03 02:16:51,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:16:51,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215393148] [2022-11-03 02:16:51,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:16:51,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:16:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:16:52,520 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 02:16:52,521 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:16:52,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215393148] [2022-11-03 02:16:52,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215393148] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:16:52,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:16:52,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:16:52,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307731020] [2022-11-03 02:16:52,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:16:52,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:16:52,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:16:52,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:16:52,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:16:52,526 INFO L87 Difference]: Start difference. First operand 9756 states and 13415 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 02:16:55,314 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 02:17:00,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:17:00,369 INFO L93 Difference]: Finished difference Result 9823 states and 13481 transitions. [2022-11-03 02:17:00,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:17:00,370 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 02:17:00,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:17:00,407 INFO L225 Difference]: With dead ends: 9823 [2022-11-03 02:17:00,407 INFO L226 Difference]: Without dead ends: 9821 [2022-11-03 02:17:00,411 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 02:17:00,412 INFO L413 NwaCegarLoop]: 3532 mSDtfsCounter, 2352 mSDsluCounter, 7104 mSDsCounter, 0 mSdLazyCounter, 1142 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2354 SdHoareTripleChecker+Valid, 9884 SdHoareTripleChecker+Invalid, 1144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1142 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:17:00,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2354 Valid, 9884 Invalid, 1144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1142 Invalid, 1 Unknown, 0 Unchecked, 7.0s Time] [2022-11-03 02:17:00,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9821 states. [2022-11-03 02:17:01,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9821 to 9762. [2022-11-03 02:17:01,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9762 states, 5307 states have (on average 1.2035048049745618) internal successors, (6387), 5549 states have internal predecessors, (6387), 3500 states have call successors, (3500), 931 states have call predecessors, (3500), 925 states have return successors, (3535), 3428 states have call predecessors, (3535), 3498 states have call successors, (3535) [2022-11-03 02:17:01,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9762 states to 9762 states and 13422 transitions. [2022-11-03 02:17:01,217 INFO L78 Accepts]: Start accepts. Automaton has 9762 states and 13422 transitions. Word has length 114 [2022-11-03 02:17:01,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:17:01,218 INFO L495 AbstractCegarLoop]: Abstraction has 9762 states and 13422 transitions. [2022-11-03 02:17:01,218 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 02:17:01,218 INFO L276 IsEmpty]: Start isEmpty. Operand 9762 states and 13422 transitions. [2022-11-03 02:17:01,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-03 02:17:01,220 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:17:01,221 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 4, 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] [2022-11-03 02:17:01,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-03 02:17:01,221 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-03 02:17:01,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:17:01,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1907854655, now seen corresponding path program 1 times [2022-11-03 02:17:01,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:17:01,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732300334] [2022-11-03 02:17:01,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:17:01,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:17:01,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:17:01,771 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-03 02:17:01,771 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:17:01,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732300334] [2022-11-03 02:17:01,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732300334] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:17:01,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1432333629] [2022-11-03 02:17:01,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:17:01,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:17:01,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f7d4c2-1267-4d25-bb52-c667098d2e5c/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:17:01,778 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f7d4c2-1267-4d25-bb52-c667098d2e5c/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:17:01,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f7d4c2-1267-4d25-bb52-c667098d2e5c/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 02:17:03,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:17:03,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 5324 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:17:03,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:17:03,495 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-03 02:17:03,496 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:17:03,653 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-03 02:17:03,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1432333629] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:17:03,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [406749639] [2022-11-03 02:17:03,692 INFO L159 IcfgInterpreter]: Started Sifa with 96 locations of interest [2022-11-03 02:17:03,693 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:17:03,696 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:17:03,702 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:17:03,702 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:17:26,964 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-03 02:17:30,719 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-03 02:17:31,836 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-03 02:17:32,701 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-03 02:17:35,488 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-03 02:17:36,282 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-03 02:17:40,506 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-03 02:19:03,533 WARN L234 SmtUtils]: Spent 5.13s on a formula simplification. DAG size of input: 8208 DAG size of output: 8041 (called from [L 211] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-11-03 02:26:46,601 WARN L234 SmtUtils]: Spent 5.03s on a formula simplification. DAG size of input: 8441 DAG size of output: 8264 (called from [L 211] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm)