./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--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/bin/utaipan-eEHZpOm5b7 --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 dc9e8bb6b40f5555d57e381f2a097a5016cb2e1f56429745ab057291759776aa --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:20:55,599 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:20:55,601 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:20:55,657 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:20:55,658 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:20:55,661 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:20:55,663 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:20:55,666 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:20:55,668 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:20:55,673 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:20:55,674 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:20:55,676 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:20:55,676 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:20:55,679 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:20:55,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:20:55,686 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:20:55,688 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:20:55,688 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:20:55,691 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:20:55,700 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:20:55,702 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:20:55,703 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:20:55,706 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:20:55,707 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:20:55,715 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:20:55,716 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:20:55,716 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:20:55,718 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:20:55,718 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:20:55,719 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:20:55,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:20:55,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:20:55,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:20:55,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:20:55,725 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:20:55,725 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:20:55,726 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:20:55,726 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:20:55,726 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:20:55,727 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:20:55,728 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:20:55,728 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 18:20:55,765 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:20:55,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:20:55,766 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:20:55,766 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:20:55,767 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:20:55,767 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:20:55,767 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:20:55,767 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:20:55,767 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:20:55,768 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:20:55,768 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:20:55,768 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:20:55,768 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:20:55,768 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:20:55,769 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:20:55,769 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:20:55,769 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:20:55,769 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:20:55,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:20:55,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:20:55,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:20:55,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:20:55,775 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:20:55,775 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:20:55,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:20:55,776 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:20:55,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:20:55,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:20:55,778 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:20:55,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:20:55,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:20:55,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:20:55,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:20:55,779 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:20:55,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:20:55,779 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:20:55,780 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:20:55,780 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:20:55,781 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_b493d530-0745-47d2-88e4-82c6ac6a9d1b/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc9e8bb6b40f5555d57e381f2a097a5016cb2e1f56429745ab057291759776aa [2021-11-25 18:20:56,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:20:56,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:20:56,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:20:56,057 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:20:56,057 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:20:56,058 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i [2021-11-25 18:20:56,124 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/bin/utaipan-eEHZpOm5b7/data/cafb474ce/cb3f4e9c540440019c6be2137e8f3689/FLAG0d6322510 [2021-11-25 18:20:57,150 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:20:57,151 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i [2021-11-25 18:20:57,220 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/bin/utaipan-eEHZpOm5b7/data/cafb474ce/cb3f4e9c540440019c6be2137e8f3689/FLAG0d6322510 [2021-11-25 18:20:57,492 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/bin/utaipan-eEHZpOm5b7/data/cafb474ce/cb3f4e9c540440019c6be2137e8f3689 [2021-11-25 18:20:57,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:20:57,498 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:20:57,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:20:57,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:20:57,503 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:20:57,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:20:57" (1/1) ... [2021-11-25 18:20:57,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23b699c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:57, skipping insertion in model container [2021-11-25 18:20:57,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:20:57" (1/1) ... [2021-11-25 18:20:57,511 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:20:57,711 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:21:02,415 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_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[558734,558747] [2021-11-25 18:21:02,419 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_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[558879,558892] [2021-11-25 18:21:02,420 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_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[559025,559038] [2021-11-25 18:21:02,420 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_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[559190,559203] [2021-11-25 18:21:02,421 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_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[559348,559361] [2021-11-25 18:21:02,421 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_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[559506,559519] [2021-11-25 18:21:02,423 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_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[559664,559677] [2021-11-25 18:21:02,423 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_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[559824,559837] [2021-11-25 18:21:02,428 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_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[559983,559996] [2021-11-25 18:21:02,428 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_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[560122,560135] [2021-11-25 18:21:02,429 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_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[560264,560277] [2021-11-25 18:21:02,429 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_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[560413,560426] [2021-11-25 18:21:02,430 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_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[560552,560565] [2021-11-25 18:21:02,430 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_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[560707,560720] [2021-11-25 18:21:02,431 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_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[560867,560880] [2021-11-25 18:21:02,431 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_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[561018,561031] [2021-11-25 18:21:02,432 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_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[561169,561182] [2021-11-25 18:21:02,432 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_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[561321,561334] [2021-11-25 18:21:02,434 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_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[561470,561483] [2021-11-25 18:21:02,435 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_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[561618,561631] [2021-11-25 18:21:02,436 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_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[561775,561788] [2021-11-25 18:21:02,436 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_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[561924,561937] [2021-11-25 18:21:02,437 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_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[562080,562093] [2021-11-25 18:21:02,438 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_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[562233,562246] [2021-11-25 18:21:02,439 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_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[562379,562392] [2021-11-25 18:21:02,439 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_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[562522,562535] [2021-11-25 18:21:02,440 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_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[562674,562687] [2021-11-25 18:21:02,441 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_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[562820,562833] [2021-11-25 18:21:02,441 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_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[562965,562978] [2021-11-25 18:21:02,442 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_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[563119,563132] [2021-11-25 18:21:02,443 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_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[563270,563283] [2021-11-25 18:21:02,443 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_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[563425,563438] [2021-11-25 18:21:02,444 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_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[563577,563590] [2021-11-25 18:21:02,444 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_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[563732,563745] [2021-11-25 18:21:02,445 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_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[563896,563909] [2021-11-25 18:21:02,445 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_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[564052,564065] [2021-11-25 18:21:02,446 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_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[564216,564229] [2021-11-25 18:21:02,446 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_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[564358,564371] [2021-11-25 18:21:02,447 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[564516,564529] [2021-11-25 18:21:02,447 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[564683,564696] [2021-11-25 18:21:02,448 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[564842,564855] [2021-11-25 18:21:02,448 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[565001,565014] [2021-11-25 18:21:02,449 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[565150,565163] [2021-11-25 18:21:02,449 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[565297,565310] [2021-11-25 18:21:02,449 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[565436,565449] [2021-11-25 18:21:02,450 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[565599,565612] [2021-11-25 18:21:02,450 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[565765,565778] [2021-11-25 18:21:02,452 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[565929,565942] [2021-11-25 18:21:02,452 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[566094,566107] [2021-11-25 18:21:02,453 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[566259,566272] [2021-11-25 18:21:02,453 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[566425,566438] [2021-11-25 18:21:02,453 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[566590,566603] [2021-11-25 18:21:02,454 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[566757,566770] [2021-11-25 18:21:02,454 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[566917,566930] [2021-11-25 18:21:02,455 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[567079,567092] [2021-11-25 18:21:02,455 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[567238,567251] [2021-11-25 18:21:02,456 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[567384,567397] [2021-11-25 18:21:02,456 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[567527,567540] [2021-11-25 18:21:02,457 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[567671,567684] [2021-11-25 18:21:02,457 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[567814,567827] [2021-11-25 18:21:02,458 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[567958,567971] [2021-11-25 18:21:02,458 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[568099,568112] [2021-11-25 18:21:02,462 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[568237,568250] [2021-11-25 18:21:02,463 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[568395,568408] [2021-11-25 18:21:02,463 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[568554,568567] [2021-11-25 18:21:02,464 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[568710,568723] [2021-11-25 18:21:02,464 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[568859,568872] [2021-11-25 18:21:02,465 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[569011,569024] [2021-11-25 18:21:02,465 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[569162,569175] [2021-11-25 18:21:02,466 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[569311,569324] [2021-11-25 18:21:02,466 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[569463,569476] [2021-11-25 18:21:02,467 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[569611,569624] [2021-11-25 18:21:02,467 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[569764,569777] [2021-11-25 18:21:02,468 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[569915,569928] [2021-11-25 18:21:02,468 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[570065,570078] [2021-11-25 18:21:02,468 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[570212,570225] [2021-11-25 18:21:02,469 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[570363,570376] [2021-11-25 18:21:02,469 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[570514,570527] [2021-11-25 18:21:02,470 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[570662,570675] [2021-11-25 18:21:02,470 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[570828,570841] [2021-11-25 18:21:02,471 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[570997,571010] [2021-11-25 18:21:02,471 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[571164,571177] [2021-11-25 18:21:02,472 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[571332,571345] [2021-11-25 18:21:02,472 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[571482,571495] [2021-11-25 18:21:02,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[571629,571642] [2021-11-25 18:21:02,474 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[571790,571803] [2021-11-25 18:21:02,474 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[571960,571973] [2021-11-25 18:21:02,475 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[572122,572135] [2021-11-25 18:21:02,484 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:21:02,555 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:21:03,079 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[558734,558747] [2021-11-25 18:21:03,080 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[558879,558892] [2021-11-25 18:21:03,080 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[559025,559038] [2021-11-25 18:21:03,081 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[559190,559203] [2021-11-25 18:21:03,081 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[559348,559361] [2021-11-25 18:21:03,081 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[559506,559519] [2021-11-25 18:21:03,082 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[559664,559677] [2021-11-25 18:21:03,082 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[559824,559837] [2021-11-25 18:21:03,083 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[559983,559996] [2021-11-25 18:21:03,083 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[560122,560135] [2021-11-25 18:21:03,083 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[560264,560277] [2021-11-25 18:21:03,084 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[560413,560426] [2021-11-25 18:21:03,084 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[560552,560565] [2021-11-25 18:21:03,085 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[560707,560720] [2021-11-25 18:21:03,085 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[560867,560880] [2021-11-25 18:21:03,085 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[561018,561031] [2021-11-25 18:21:03,086 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[561169,561182] [2021-11-25 18:21:03,086 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[561321,561334] [2021-11-25 18:21:03,086 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[561470,561483] [2021-11-25 18:21:03,087 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[561618,561631] [2021-11-25 18:21:03,087 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[561775,561788] [2021-11-25 18:21:03,088 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[561924,561937] [2021-11-25 18:21:03,088 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[562080,562093] [2021-11-25 18:21:03,088 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[562233,562246] [2021-11-25 18:21:03,089 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[562379,562392] [2021-11-25 18:21:03,089 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[562522,562535] [2021-11-25 18:21:03,090 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[562674,562687] [2021-11-25 18:21:03,090 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[562820,562833] [2021-11-25 18:21:03,090 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[562965,562978] [2021-11-25 18:21:03,091 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[563119,563132] [2021-11-25 18:21:03,091 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[563270,563283] [2021-11-25 18:21:03,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[563425,563438] [2021-11-25 18:21:03,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[563577,563590] [2021-11-25 18:21:03,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[563732,563745] [2021-11-25 18:21:03,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[563896,563909] [2021-11-25 18:21:03,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[564052,564065] [2021-11-25 18:21:03,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[564216,564229] [2021-11-25 18:21:03,094 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[564358,564371] [2021-11-25 18:21:03,094 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[564516,564529] [2021-11-25 18:21:03,095 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[564683,564696] [2021-11-25 18:21:03,095 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[564842,564855] [2021-11-25 18:21:03,095 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[565001,565014] [2021-11-25 18:21:03,096 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[565150,565163] [2021-11-25 18:21:03,096 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[565297,565310] [2021-11-25 18:21:03,097 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[565436,565449] [2021-11-25 18:21:03,097 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[565599,565612] [2021-11-25 18:21:03,097 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[565765,565778] [2021-11-25 18:21:03,098 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[565929,565942] [2021-11-25 18:21:03,098 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[566094,566107] [2021-11-25 18:21:03,098 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[566259,566272] [2021-11-25 18:21:03,099 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[566425,566438] [2021-11-25 18:21:03,099 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[566590,566603] [2021-11-25 18:21:03,100 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[566757,566770] [2021-11-25 18:21:03,100 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[566917,566930] [2021-11-25 18:21:03,100 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[567079,567092] [2021-11-25 18:21:03,101 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[567238,567251] [2021-11-25 18:21:03,101 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[567384,567397] [2021-11-25 18:21:03,102 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[567527,567540] [2021-11-25 18:21:03,102 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[567671,567684] [2021-11-25 18:21:03,102 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[567814,567827] [2021-11-25 18:21:03,103 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[567958,567971] [2021-11-25 18:21:03,103 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[568099,568112] [2021-11-25 18:21:03,104 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[568237,568250] [2021-11-25 18:21:03,104 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[568395,568408] [2021-11-25 18:21:03,104 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[568554,568567] [2021-11-25 18:21:03,105 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[568710,568723] [2021-11-25 18:21:03,105 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[568859,568872] [2021-11-25 18:21:03,105 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[569011,569024] [2021-11-25 18:21:03,106 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[569162,569175] [2021-11-25 18:21:03,106 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[569311,569324] [2021-11-25 18:21:03,107 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[569463,569476] [2021-11-25 18:21:03,107 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[569611,569624] [2021-11-25 18:21:03,107 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[569764,569777] [2021-11-25 18:21:03,108 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[569915,569928] [2021-11-25 18:21:03,108 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[570065,570078] [2021-11-25 18:21:03,109 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[570212,570225] [2021-11-25 18:21:03,109 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[570363,570376] [2021-11-25 18:21:03,109 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[570514,570527] [2021-11-25 18:21:03,110 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[570662,570675] [2021-11-25 18:21:03,110 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[570828,570841] [2021-11-25 18:21:03,110 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[570997,571010] [2021-11-25 18:21:03,111 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[571164,571177] [2021-11-25 18:21:03,111 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[571332,571345] [2021-11-25 18:21:03,111 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[571482,571495] [2021-11-25 18:21:03,112 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[571629,571642] [2021-11-25 18:21:03,112 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[571790,571803] [2021-11-25 18:21:03,113 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[571960,571973] [2021-11-25 18:21:03,113 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i[572122,572135] [2021-11-25 18:21:03,115 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:21:03,487 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:21:03,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:03 WrapperNode [2021-11-25 18:21:03,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:21:03,489 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:21:03,489 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:21:03,489 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:21:03,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:03" (1/1) ... [2021-11-25 18:21:03,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:03" (1/1) ... [2021-11-25 18:21:04,003 INFO L137 Inliner]: procedures = 593, calls = 4545, calls flagged for inlining = 256, calls inlined = 167, statements flattened = 7468 [2021-11-25 18:21:04,004 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:21:04,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:21:04,005 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:21:04,005 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:21:04,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:03" (1/1) ... [2021-11-25 18:21:04,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:03" (1/1) ... [2021-11-25 18:21:04,063 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:03" (1/1) ... [2021-11-25 18:21:04,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:03" (1/1) ... [2021-11-25 18:21:04,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:03" (1/1) ... [2021-11-25 18:21:04,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:03" (1/1) ... [2021-11-25 18:21:04,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:03" (1/1) ... [2021-11-25 18:21:04,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:21:04,361 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:21:04,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:21:04,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:21:04,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:03" (1/1) ... [2021-11-25 18:21:04,370 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:21:04,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:21:04,395 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:21:04,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:21:04,444 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_read_reg [2021-11-25 18:21:04,444 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_read_reg [2021-11-25 18:21:04,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-25 18:21:04,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-25 18:21:04,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 18:21:04,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 18:21:04,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-25 18:21:04,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-25 18:21:04,445 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2160_frontend_attach [2021-11-25 18:21:04,445 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2160_frontend_attach [2021-11-25 18:21:04,446 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_stop [2021-11-25 18:21:04,446 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_stop [2021-11-25 18:21:04,446 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_config_pin_mux_modes [2021-11-25 18:21:04,446 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_config_pin_mux_modes [2021-11-25 18:21:04,446 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_start [2021-11-25 18:21:04,446 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_start [2021-11-25 18:21:04,447 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_xfer [2021-11-25 18:21:04,447 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_xfer [2021-11-25 18:21:04,447 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2021-11-25 18:21:04,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2021-11-25 18:21:04,447 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_isoc [2021-11-25 18:21:04,447 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_isoc [2021-11-25 18:21:04,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-25 18:21:04,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-25 18:21:04,448 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc [2021-11-25 18:21:04,448 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc [2021-11-25 18:21:04,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-25 18:21:04,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-25 18:21:04,448 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg_mask [2021-11-25 18:21:04,448 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg_mask [2021-11-25 18:21:04,449 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_soft_reset [2021-11-25 18:21:04,449 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_soft_reset [2021-11-25 18:21:04,449 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_bulk [2021-11-25 18:21:04,449 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_bulk [2021-11-25 18:21:04,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-25 18:21:04,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-25 18:21:04,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 18:21:04,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 18:21:04,450 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_tuner_demod [2021-11-25 18:21:04,450 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_tuner_demod [2021-11-25 18:21:04,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-25 18:21:04,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-25 18:21:04,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:21:04,451 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lgdt3305_frontend_attach [2021-11-25 18:21:04,451 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lgdt3305_frontend_attach [2021-11-25 18:21:04,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-25 18:21:04,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-25 18:21:04,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 18:21:04,452 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_msg [2021-11-25 18:21:04,452 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_msg [2021-11-25 18:21:04,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 18:21:04,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-25 18:21:04,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-25 18:21:04,453 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep4_streaming_ctrl [2021-11-25 18:21:04,453 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep4_streaming_ctrl [2021-11-25 18:21:04,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-25 18:21:04,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-25 18:21:04,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:21:04,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-25 18:21:04,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-25 18:21:04,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-25 18:21:04,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-25 18:21:04,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-25 18:21:04,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-25 18:21:04,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-25 18:21:04,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-25 18:21:04,457 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_hw_set_gpio [2021-11-25 18:21:04,458 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_hw_set_gpio [2021-11-25 18:21:04,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:21:04,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:21:04,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 18:21:04,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 18:21:04,459 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_program_regs [2021-11-25 18:21:04,459 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_program_regs [2021-11-25 18:21:04,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:21:04,467 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-25 18:21:04,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-25 18:21:04,468 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_gpio_mode_switch [2021-11-25 18:21:04,469 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_gpio_mode_switch [2021-11-25 18:21:04,469 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_ant_path [2021-11-25 18:21:04,469 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_ant_path [2021-11-25 18:21:04,469 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_disconnect [2021-11-25 18:21:04,469 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_disconnect [2021-11-25 18:21:04,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-25 18:21:04,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-25 18:21:04,470 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc_mh [2021-11-25 18:21:04,470 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc_mh [2021-11-25 18:21:04,470 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_demod [2021-11-25 18:21:04,470 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_demod [2021-11-25 18:21:04,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:21:04,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:21:04,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_fe_lock_of_mxl111sf_state [2021-11-25 18:21:04,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_fe_lock_of_mxl111sf_state [2021-11-25 18:21:04,471 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_mercury_mh [2021-11-25 18:21:04,471 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_mercury_mh [2021-11-25 18:21:04,471 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury [2021-11-25 18:21:04,471 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury [2021-11-25 18:21:04,471 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-25 18:21:04,471 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-25 18:21:04,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 18:21:04,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 18:21:04,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 18:21:04,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 18:21:04,472 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-11-25 18:21:04,472 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-11-25 18:21:04,472 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_adap_fe_sleep [2021-11-25 18:21:04,473 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_adap_fe_sleep [2021-11-25 18:21:04,473 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mh [2021-11-25 18:21:04,473 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mh [2021-11-25 18:21:04,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-25 18:21:04,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-25 18:21:04,473 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep6_streaming_ctrl [2021-11-25 18:21:04,473 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep6_streaming_ctrl [2021-11-25 18:21:04,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-25 18:21:04,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-25 18:21:04,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:21:04,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-25 18:21:04,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-25 18:21:04,474 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init [2021-11-25 18:21:04,475 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init [2021-11-25 18:21:04,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:21:04,475 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_adap_fe_init [2021-11-25 18:21:04,475 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_adap_fe_init [2021-11-25 18:21:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_bitbang_sendbyte [2021-11-25 18:21:04,476 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_bitbang_sendbyte [2021-11-25 18:21:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 18:21:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-25 18:21:04,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-25 18:21:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-25 18:21:04,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-25 18:21:04,477 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_check_status [2021-11-25 18:21:04,477 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_check_status [2021-11-25 18:21:04,477 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep5_streaming_ctrl [2021-11-25 18:21:04,477 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep5_streaming_ctrl [2021-11-25 18:21:04,477 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_dvbt [2021-11-25 18:21:04,477 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_dvbt [2021-11-25 18:21:04,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-25 18:21:04,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-25 18:21:04,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-25 18:21:04,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-25 18:21:04,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-25 18:21:04,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-25 18:21:04,478 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_gpio [2021-11-25 18:21:04,479 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_gpio [2021-11-25 18:21:04,479 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2021-11-25 18:21:04,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2021-11-25 18:21:04,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-25 18:21:04,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-25 18:21:04,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-25 18:21:04,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-25 18:21:04,480 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2161_ep6_frontend_attach [2021-11-25 18:21:04,480 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2161_ep6_frontend_attach [2021-11-25 18:21:04,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:21:04,480 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_get_chip_info [2021-11-25 18:21:04,480 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_get_chip_info [2021-11-25 18:21:04,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-25 18:21:04,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-25 18:21:04,480 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury_mh [2021-11-25 18:21:04,481 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury_mh [2021-11-25 18:21:04,481 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_enable_usb_output [2021-11-25 18:21:04,481 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_enable_usb_output [2021-11-25 18:21:04,481 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2021-11-25 18:21:04,481 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2021-11-25 18:21:04,481 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_tuner [2021-11-25 18:21:04,481 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_tuner [2021-11-25 18:21:04,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 18:21:04,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 18:21:04,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-25 18:21:04,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-25 18:21:04,482 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_set_device_mode [2021-11-25 18:21:04,482 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_set_device_mode [2021-11-25 18:21:04,482 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2021-11-25 18:21:04,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2021-11-25 18:21:04,483 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg [2021-11-25 18:21:04,483 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg [2021-11-25 18:21:04,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-25 18:21:04,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-25 18:21:04,483 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_func [2021-11-25 18:21:04,483 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_func [2021-11-25 18:21:04,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-25 18:21:04,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-25 18:21:04,484 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ant_hunt [2021-11-25 18:21:04,484 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ant_hunt [2021-11-25 18:21:04,484 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_port_expander [2021-11-25 18:21:04,484 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_port_expander [2021-11-25 18:21:04,484 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-25 18:21:04,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-25 18:21:04,484 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_send_data [2021-11-25 18:21:04,485 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_send_data [2021-11-25 18:21:04,485 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_resume [2021-11-25 18:21:04,485 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_resume [2021-11-25 18:21:04,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:21:04,485 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_get_data [2021-11-25 18:21:04,489 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_get_data [2021-11-25 18:21:04,489 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_probe [2021-11-25 18:21:04,489 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_probe [2021-11-25 18:21:04,489 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_top_master_ctrl [2021-11-25 18:21:04,490 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_top_master_ctrl [2021-11-25 18:21:05,567 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:21:05,572 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:21:06,009 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 18:21:24,730 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:21:28,126 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:21:28,126 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 18:21:28,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:21:28 BoogieIcfgContainer [2021-11-25 18:21:28,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:21:28,135 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:21:28,135 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:21:28,138 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:21:28,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:20:57" (1/3) ... [2021-11-25 18:21:28,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cddecfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:21:28, skipping insertion in model container [2021-11-25 18:21:28,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:03" (2/3) ... [2021-11-25 18:21:28,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cddecfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:21:28, skipping insertion in model container [2021-11-25 18:21:28,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:21:28" (3/3) ... [2021-11-25 18:21:28,141 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko.cil.i [2021-11-25 18:21:28,148 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:21:28,148 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 25 error locations. [2021-11-25 18:21:28,226 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:21:28,244 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 18:21:28,248 INFO L340 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2021-11-25 18:21:28,307 INFO L276 IsEmpty]: Start isEmpty. Operand has 1653 states, 1032 states have (on average 1.3846899224806202) internal successors, (1429), 1106 states have internal predecessors, (1429), 505 states have call successors, (505), 91 states have call predecessors, (505), 90 states have return successors, (495), 475 states have call predecessors, (495), 495 states have call successors, (495) [2021-11-25 18:21:28,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-25 18:21:28,314 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:21:28,315 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:21:28,316 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 18:21:28,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:21:28,321 INFO L85 PathProgramCache]: Analyzing trace with hash -621495038, now seen corresponding path program 1 times [2021-11-25 18:21:28,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:21:28,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135686886] [2021-11-25 18:21:28,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:21:28,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:21:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:21:29,792 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-25 18:21:29,792 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:21:29,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135686886] [2021-11-25 18:21:29,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135686886] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:21:29,793 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:21:29,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:21:29,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378800202] [2021-11-25 18:21:29,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:21:29,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:21:29,803 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:21:29,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:21:29,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:21:29,845 INFO L87 Difference]: Start difference. First operand has 1653 states, 1032 states have (on average 1.3846899224806202) internal successors, (1429), 1106 states have internal predecessors, (1429), 505 states have call successors, (505), 91 states have call predecessors, (505), 90 states have return successors, (495), 475 states have call predecessors, (495), 495 states have call successors, (495) Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-11-25 18:21:33,551 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:21:35,978 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:21:37,082 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:21:40,951 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:21:41,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:21:41,693 INFO L93 Difference]: Finished difference Result 3311 states and 4915 transitions. [2021-11-25 18:21:41,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:21:41,695 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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 51 [2021-11-25 18:21:41,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:21:41,733 INFO L225 Difference]: With dead ends: 3311 [2021-11-25 18:21:41,733 INFO L226 Difference]: Without dead ends: 1680 [2021-11-25 18:21:41,753 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:21:41,756 INFO L933 BasicCegarLoop]: 1940 mSDtfsCounter, 2330 mSDsluCounter, 2504 mSDsCounter, 0 mSdLazyCounter, 961 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2340 SdHoareTripleChecker+Valid, 3951 SdHoareTripleChecker+Invalid, 963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 961 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:21:41,756 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2340 Valid, 3951 Invalid, 963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 961 Invalid, 2 Unknown, 0 Unchecked, 11.5s Time] [2021-11-25 18:21:41,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1680 states. [2021-11-25 18:21:41,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1680 to 1678. [2021-11-25 18:21:41,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1678 states, 1055 states have (on average 1.3507109004739337) internal successors, (1425), 1119 states have internal predecessors, (1425), 504 states have call successors, (504), 96 states have call predecessors, (504), 95 states have return successors, (502), 482 states have call predecessors, (502), 502 states have call successors, (502) [2021-11-25 18:21:41,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1678 states to 1678 states and 2431 transitions. [2021-11-25 18:21:41,964 INFO L78 Accepts]: Start accepts. Automaton has 1678 states and 2431 transitions. Word has length 51 [2021-11-25 18:21:41,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:21:41,965 INFO L470 AbstractCegarLoop]: Abstraction has 1678 states and 2431 transitions. [2021-11-25 18:21:41,966 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-11-25 18:21:41,966 INFO L276 IsEmpty]: Start isEmpty. Operand 1678 states and 2431 transitions. [2021-11-25 18:21:41,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-25 18:21:41,969 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:21:41,970 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:21:41,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:21:41,970 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 18:21:41,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:21:41,971 INFO L85 PathProgramCache]: Analyzing trace with hash -624195658, now seen corresponding path program 1 times [2021-11-25 18:21:41,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:21:41,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860924757] [2021-11-25 18:21:41,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:21:41,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:21:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:21:42,637 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-25 18:21:42,637 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:21:42,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860924757] [2021-11-25 18:21:42,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860924757] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:21:42,638 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:21:42,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:21:42,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044326845] [2021-11-25 18:21:42,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:21:42,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:21:42,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:21:42,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:21:42,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:21:42,641 INFO L87 Difference]: Start difference. First operand 1678 states and 2431 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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) [2021-11-25 18:21:46,910 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:21:49,286 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:21:50,348 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:21:52,286 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:21:56,510 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:21:57,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:21:57,326 INFO L93 Difference]: Finished difference Result 1680 states and 2434 transitions. [2021-11-25 18:21:57,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:21:57,327 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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 56 [2021-11-25 18:21:57,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:21:57,346 INFO L225 Difference]: With dead ends: 1680 [2021-11-25 18:21:57,346 INFO L226 Difference]: Without dead ends: 1678 [2021-11-25 18:21:57,348 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:21:57,351 INFO L933 BasicCegarLoop]: 1912 mSDtfsCounter, 2300 mSDsluCounter, 2475 mSDsCounter, 0 mSdLazyCounter, 959 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2310 SdHoareTripleChecker+Valid, 3895 SdHoareTripleChecker+Invalid, 961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 959 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:21:57,351 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2310 Valid, 3895 Invalid, 961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 959 Invalid, 2 Unknown, 0 Unchecked, 14.5s Time] [2021-11-25 18:21:57,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1678 states. [2021-11-25 18:21:57,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1678 to 1676. [2021-11-25 18:21:57,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1676 states, 1054 states have (on average 1.3500948766603416) internal successors, (1423), 1117 states have internal predecessors, (1423), 504 states have call successors, (504), 96 states have call predecessors, (504), 95 states have return successors, (502), 482 states have call predecessors, (502), 502 states have call successors, (502) [2021-11-25 18:21:57,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1676 states to 1676 states and 2429 transitions. [2021-11-25 18:21:57,455 INFO L78 Accepts]: Start accepts. Automaton has 1676 states and 2429 transitions. Word has length 56 [2021-11-25 18:21:57,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:21:57,459 INFO L470 AbstractCegarLoop]: Abstraction has 1676 states and 2429 transitions. [2021-11-25 18:21:57,459 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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) [2021-11-25 18:21:57,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1676 states and 2429 transitions. [2021-11-25 18:21:57,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-25 18:21:57,468 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:21:57,468 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:21:57,468 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 18:21:57,469 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 18:21:57,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:21:57,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1518023959, now seen corresponding path program 1 times [2021-11-25 18:21:57,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:21:57,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513555550] [2021-11-25 18:21:57,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:21:57,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:21:57,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:21:58,280 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-25 18:21:58,280 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:21:58,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513555550] [2021-11-25 18:21:58,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513555550] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:21:58,281 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:21:58,281 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:21:58,281 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631966142] [2021-11-25 18:21:58,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:21:58,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:21:58,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:21:58,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:21:58,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:21:58,282 INFO L87 Difference]: Start difference. First operand 1676 states and 2429 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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) [2021-11-25 18:22:02,596 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:22:04,718 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:22:06,512 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:22:11,716 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:22:12,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:22:12,493 INFO L93 Difference]: Finished difference Result 1678 states and 2432 transitions. [2021-11-25 18:22:12,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:22:12,494 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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 61 [2021-11-25 18:22:12,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:22:12,511 INFO L225 Difference]: With dead ends: 1678 [2021-11-25 18:22:12,511 INFO L226 Difference]: Without dead ends: 1676 [2021-11-25 18:22:12,513 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:22:12,514 INFO L933 BasicCegarLoop]: 1910 mSDtfsCounter, 2297 mSDsluCounter, 2473 mSDsCounter, 0 mSdLazyCounter, 959 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2307 SdHoareTripleChecker+Valid, 3891 SdHoareTripleChecker+Invalid, 961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 959 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:22:12,514 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2307 Valid, 3891 Invalid, 961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 959 Invalid, 2 Unknown, 0 Unchecked, 14.0s Time] [2021-11-25 18:22:12,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1676 states. [2021-11-25 18:22:12,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1676 to 1674. [2021-11-25 18:22:12,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1674 states, 1053 states have (on average 1.3494776828110162) internal successors, (1421), 1115 states have internal predecessors, (1421), 504 states have call successors, (504), 96 states have call predecessors, (504), 95 states have return successors, (502), 482 states have call predecessors, (502), 502 states have call successors, (502) [2021-11-25 18:22:12,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1674 states to 1674 states and 2427 transitions. [2021-11-25 18:22:12,608 INFO L78 Accepts]: Start accepts. Automaton has 1674 states and 2427 transitions. Word has length 61 [2021-11-25 18:22:12,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:22:12,608 INFO L470 AbstractCegarLoop]: Abstraction has 1674 states and 2427 transitions. [2021-11-25 18:22:12,609 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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) [2021-11-25 18:22:12,609 INFO L276 IsEmpty]: Start isEmpty. Operand 1674 states and 2427 transitions. [2021-11-25 18:22:12,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-25 18:22:12,610 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:22:12,611 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:22:12,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 18:22:12,611 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 18:22:12,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:22:12,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1794778696, now seen corresponding path program 1 times [2021-11-25 18:22:12,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:22:12,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702584936] [2021-11-25 18:22:12,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:22:12,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:22:12,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:22:13,177 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-25 18:22:13,177 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:22:13,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702584936] [2021-11-25 18:22:13,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702584936] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:22:13,178 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:22:13,178 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:22:13,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636313743] [2021-11-25 18:22:13,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:22:13,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:22:13,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:22:13,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:22:13,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:22:13,179 INFO L87 Difference]: Start difference. First operand 1674 states and 2427 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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) [2021-11-25 18:22:17,348 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:22:20,148 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:22:22,159 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:22:27,008 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:22:27,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:22:27,823 INFO L93 Difference]: Finished difference Result 1676 states and 2430 transitions. [2021-11-25 18:22:27,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:22:27,824 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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 66 [2021-11-25 18:22:27,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:22:27,840 INFO L225 Difference]: With dead ends: 1676 [2021-11-25 18:22:27,840 INFO L226 Difference]: Without dead ends: 1674 [2021-11-25 18:22:27,841 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:22:27,842 INFO L933 BasicCegarLoop]: 1908 mSDtfsCounter, 2294 mSDsluCounter, 2471 mSDsCounter, 0 mSdLazyCounter, 958 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2304 SdHoareTripleChecker+Valid, 3887 SdHoareTripleChecker+Invalid, 961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 958 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:22:27,843 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2304 Valid, 3887 Invalid, 961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 958 Invalid, 3 Unknown, 0 Unchecked, 14.5s Time] [2021-11-25 18:22:27,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1674 states. [2021-11-25 18:22:27,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1674 to 1672. [2021-11-25 18:22:27,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1672 states, 1052 states have (on average 1.3488593155893536) internal successors, (1419), 1113 states have internal predecessors, (1419), 504 states have call successors, (504), 96 states have call predecessors, (504), 95 states have return successors, (502), 482 states have call predecessors, (502), 502 states have call successors, (502) [2021-11-25 18:22:27,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2425 transitions. [2021-11-25 18:22:27,936 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 2425 transitions. Word has length 66 [2021-11-25 18:22:27,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:22:27,937 INFO L470 AbstractCegarLoop]: Abstraction has 1672 states and 2425 transitions. [2021-11-25 18:22:27,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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) [2021-11-25 18:22:27,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2425 transitions. [2021-11-25 18:22:27,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-25 18:22:27,939 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:22:27,939 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:22:27,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 18:22:27,940 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 18:22:27,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:22:27,940 INFO L85 PathProgramCache]: Analyzing trace with hash -535648780, now seen corresponding path program 1 times [2021-11-25 18:22:27,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:22:27,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093641937] [2021-11-25 18:22:27,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:22:27,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:22:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:22:28,608 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-25 18:22:28,608 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:22:28,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093641937] [2021-11-25 18:22:28,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093641937] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:22:28,608 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:22:28,608 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:22:28,608 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689824313] [2021-11-25 18:22:28,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:22:28,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:22:28,609 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:22:28,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:22:28,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:22:28,610 INFO L87 Difference]: Start difference. First operand 1672 states and 2425 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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) [2021-11-25 18:22:33,094 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:22:36,019 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:22:37,646 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:22:42,527 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:22:43,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:22:43,324 INFO L93 Difference]: Finished difference Result 1674 states and 2428 transitions. [2021-11-25 18:22:43,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:22:43,325 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 71 [2021-11-25 18:22:43,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:22:43,340 INFO L225 Difference]: With dead ends: 1674 [2021-11-25 18:22:43,341 INFO L226 Difference]: Without dead ends: 1672 [2021-11-25 18:22:43,342 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:22:43,343 INFO L933 BasicCegarLoop]: 1906 mSDtfsCounter, 2291 mSDsluCounter, 2469 mSDsCounter, 0 mSdLazyCounter, 959 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2301 SdHoareTripleChecker+Valid, 3883 SdHoareTripleChecker+Invalid, 961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 959 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:22:43,344 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2301 Valid, 3883 Invalid, 961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 959 Invalid, 2 Unknown, 0 Unchecked, 14.6s Time] [2021-11-25 18:22:43,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2021-11-25 18:22:43,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1670. [2021-11-25 18:22:43,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1670 states, 1051 states have (on average 1.3482397716460515) internal successors, (1417), 1111 states have internal predecessors, (1417), 504 states have call successors, (504), 96 states have call predecessors, (504), 95 states have return successors, (502), 482 states have call predecessors, (502), 502 states have call successors, (502) [2021-11-25 18:22:43,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1670 states and 2423 transitions. [2021-11-25 18:22:43,435 INFO L78 Accepts]: Start accepts. Automaton has 1670 states and 2423 transitions. Word has length 71 [2021-11-25 18:22:43,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:22:43,436 INFO L470 AbstractCegarLoop]: Abstraction has 1670 states and 2423 transitions. [2021-11-25 18:22:43,436 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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) [2021-11-25 18:22:43,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1670 states and 2423 transitions. [2021-11-25 18:22:43,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-25 18:22:43,438 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:22:43,438 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:22:43,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 18:22:43,439 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 18:22:43,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:22:43,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1088301351, now seen corresponding path program 1 times [2021-11-25 18:22:43,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:22:43,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617888056] [2021-11-25 18:22:43,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:22:43,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:22:43,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:22:43,952 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-25 18:22:43,953 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:22:43,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617888056] [2021-11-25 18:22:43,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617888056] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:22:43,953 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:22:43,953 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:22:43,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767003440] [2021-11-25 18:22:43,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:22:43,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:22:43,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:22:43,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:22:43,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:22:43,954 INFO L87 Difference]: Start difference. First operand 1670 states and 2423 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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) [2021-11-25 18:22:48,511 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:22:51,470 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:22:53,336 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:22:58,296 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:22:59,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:22:59,102 INFO L93 Difference]: Finished difference Result 1672 states and 2426 transitions. [2021-11-25 18:22:59,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:22:59,102 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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 76 [2021-11-25 18:22:59,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:22:59,117 INFO L225 Difference]: With dead ends: 1672 [2021-11-25 18:22:59,117 INFO L226 Difference]: Without dead ends: 1670 [2021-11-25 18:22:59,118 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:22:59,119 INFO L933 BasicCegarLoop]: 1904 mSDtfsCounter, 2288 mSDsluCounter, 2467 mSDsCounter, 0 mSdLazyCounter, 959 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2298 SdHoareTripleChecker+Valid, 3879 SdHoareTripleChecker+Invalid, 961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 959 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:22:59,119 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2298 Valid, 3879 Invalid, 961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 959 Invalid, 2 Unknown, 0 Unchecked, 15.0s Time] [2021-11-25 18:22:59,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1670 states. [2021-11-25 18:22:59,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1670 to 1668. [2021-11-25 18:22:59,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1668 states, 1050 states have (on average 1.3476190476190477) internal successors, (1415), 1109 states have internal predecessors, (1415), 504 states have call successors, (504), 96 states have call predecessors, (504), 95 states have return successors, (502), 482 states have call predecessors, (502), 502 states have call successors, (502) [2021-11-25 18:22:59,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 1668 states and 2421 transitions. [2021-11-25 18:22:59,214 INFO L78 Accepts]: Start accepts. Automaton has 1668 states and 2421 transitions. Word has length 76 [2021-11-25 18:22:59,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:22:59,214 INFO L470 AbstractCegarLoop]: Abstraction has 1668 states and 2421 transitions. [2021-11-25 18:22:59,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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) [2021-11-25 18:22:59,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1668 states and 2421 transitions. [2021-11-25 18:22:59,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-25 18:22:59,216 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:22:59,216 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:22:59,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 18:22:59,217 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 18:22:59,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:22:59,217 INFO L85 PathProgramCache]: Analyzing trace with hash 346107474, now seen corresponding path program 1 times [2021-11-25 18:22:59,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:22:59,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71487375] [2021-11-25 18:22:59,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:22:59,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:22:59,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:22:59,787 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-25 18:22:59,787 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:22:59,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71487375] [2021-11-25 18:22:59,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71487375] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:22:59,787 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:22:59,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:22:59,788 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214590399] [2021-11-25 18:22:59,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:22:59,788 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:22:59,788 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:22:59,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:22:59,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:22:59,789 INFO L87 Difference]: Start difference. First operand 1668 states and 2421 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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) [2021-11-25 18:23:04,172 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:23:07,293 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:23:12,263 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:23:13,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:23:13,081 INFO L93 Difference]: Finished difference Result 1731 states and 2507 transitions. [2021-11-25 18:23:13,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:23:13,082 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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 81 [2021-11-25 18:23:13,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:23:13,094 INFO L225 Difference]: With dead ends: 1731 [2021-11-25 18:23:13,095 INFO L226 Difference]: Without dead ends: 1729 [2021-11-25 18:23:13,096 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:23:13,097 INFO L933 BasicCegarLoop]: 1906 mSDtfsCounter, 2256 mSDsluCounter, 2519 mSDsCounter, 0 mSdLazyCounter, 973 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2269 SdHoareTripleChecker+Valid, 3918 SdHoareTripleChecker+Invalid, 976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 973 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:23:13,097 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2269 Valid, 3918 Invalid, 976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 973 Invalid, 3 Unknown, 0 Unchecked, 13.1s Time] [2021-11-25 18:23:13,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1729 states. [2021-11-25 18:23:13,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1729 to 1723. [2021-11-25 18:23:13,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1723 states, 1087 states have (on average 1.3468261269549218) internal successors, (1464), 1146 states have internal predecessors, (1464), 517 states have call successors, (517), 102 states have call predecessors, (517), 101 states have return successors, (515), 494 states have call predecessors, (515), 515 states have call successors, (515) [2021-11-25 18:23:13,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1723 states to 1723 states and 2496 transitions. [2021-11-25 18:23:13,199 INFO L78 Accepts]: Start accepts. Automaton has 1723 states and 2496 transitions. Word has length 81 [2021-11-25 18:23:13,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:23:13,200 INFO L470 AbstractCegarLoop]: Abstraction has 1723 states and 2496 transitions. [2021-11-25 18:23:13,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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) [2021-11-25 18:23:13,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1723 states and 2496 transitions. [2021-11-25 18:23:13,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-25 18:23:13,202 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:23:13,202 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:23:13,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 18:23:13,203 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 18:23:13,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:23:13,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1099659981, now seen corresponding path program 1 times [2021-11-25 18:23:13,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:23:13,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531456768] [2021-11-25 18:23:13,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:23:13,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:23:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:23:13,756 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-25 18:23:13,757 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:23:13,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531456768] [2021-11-25 18:23:13,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531456768] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:23:13,757 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:23:13,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:23:13,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586173473] [2021-11-25 18:23:13,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:23:13,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:23:13,758 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:23:13,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:23:13,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:23:13,759 INFO L87 Difference]: Start difference. First operand 1723 states and 2496 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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) [2021-11-25 18:23:18,227 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:23:21,287 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:23:27,053 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:23:27,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:23:27,883 INFO L93 Difference]: Finished difference Result 1729 states and 2505 transitions. [2021-11-25 18:23:27,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:23:27,883 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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 86 [2021-11-25 18:23:27,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:23:27,895 INFO L225 Difference]: With dead ends: 1729 [2021-11-25 18:23:27,895 INFO L226 Difference]: Without dead ends: 1727 [2021-11-25 18:23:27,897 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:23:27,897 INFO L933 BasicCegarLoop]: 1904 mSDtfsCounter, 2257 mSDsluCounter, 2513 mSDsCounter, 0 mSdLazyCounter, 973 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2270 SdHoareTripleChecker+Valid, 3910 SdHoareTripleChecker+Invalid, 976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 973 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:23:27,898 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2270 Valid, 3910 Invalid, 976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 973 Invalid, 3 Unknown, 0 Unchecked, 13.9s Time] [2021-11-25 18:23:27,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1727 states. [2021-11-25 18:23:27,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1727 to 1721. [2021-11-25 18:23:27,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1721 states, 1086 states have (on average 1.3462246777163904) internal successors, (1462), 1144 states have internal predecessors, (1462), 517 states have call successors, (517), 102 states have call predecessors, (517), 101 states have return successors, (515), 494 states have call predecessors, (515), 515 states have call successors, (515) [2021-11-25 18:23:28,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 1721 states and 2494 transitions. [2021-11-25 18:23:28,003 INFO L78 Accepts]: Start accepts. Automaton has 1721 states and 2494 transitions. Word has length 86 [2021-11-25 18:23:28,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:23:28,004 INFO L470 AbstractCegarLoop]: Abstraction has 1721 states and 2494 transitions. [2021-11-25 18:23:28,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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) [2021-11-25 18:23:28,004 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 2494 transitions. [2021-11-25 18:23:28,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-25 18:23:28,006 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:23:28,006 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:23:28,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-25 18:23:28,007 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 18:23:28,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:23:28,007 INFO L85 PathProgramCache]: Analyzing trace with hash 211420848, now seen corresponding path program 1 times [2021-11-25 18:23:28,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:23:28,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417440093] [2021-11-25 18:23:28,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:23:28,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:23:28,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:23:28,532 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-25 18:23:28,532 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:23:28,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417440093] [2021-11-25 18:23:28,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417440093] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:23:28,533 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:23:28,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:23:28,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319389994] [2021-11-25 18:23:28,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:23:28,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:23:28,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:23:28,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:23:28,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:23:28,534 INFO L87 Difference]: Start difference. First operand 1721 states and 2494 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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) [2021-11-25 18:23:32,990 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:23:36,003 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:23:41,581 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:23:42,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:23:42,417 INFO L93 Difference]: Finished difference Result 1727 states and 2503 transitions. [2021-11-25 18:23:42,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:23:42,417 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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 88 [2021-11-25 18:23:42,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:23:42,431 INFO L225 Difference]: With dead ends: 1727 [2021-11-25 18:23:42,432 INFO L226 Difference]: Without dead ends: 1725 [2021-11-25 18:23:42,433 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:23:42,433 INFO L933 BasicCegarLoop]: 1902 mSDtfsCounter, 2249 mSDsluCounter, 2515 mSDsCounter, 0 mSdLazyCounter, 973 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2262 SdHoareTripleChecker+Valid, 3910 SdHoareTripleChecker+Invalid, 976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 973 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2021-11-25 18:23:42,434 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2262 Valid, 3910 Invalid, 976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 973 Invalid, 3 Unknown, 0 Unchecked, 13.7s Time] [2021-11-25 18:23:42,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1725 states. [2021-11-25 18:23:42,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1725 to 1719. [2021-11-25 18:23:42,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1719 states, 1085 states have (on average 1.3456221198156681) internal successors, (1460), 1142 states have internal predecessors, (1460), 517 states have call successors, (517), 102 states have call predecessors, (517), 101 states have return successors, (515), 494 states have call predecessors, (515), 515 states have call successors, (515) [2021-11-25 18:23:42,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1719 states to 1719 states and 2492 transitions. [2021-11-25 18:23:42,545 INFO L78 Accepts]: Start accepts. Automaton has 1719 states and 2492 transitions. Word has length 88 [2021-11-25 18:23:42,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:23:42,546 INFO L470 AbstractCegarLoop]: Abstraction has 1719 states and 2492 transitions. [2021-11-25 18:23:42,546 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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) [2021-11-25 18:23:42,546 INFO L276 IsEmpty]: Start isEmpty. Operand 1719 states and 2492 transitions. [2021-11-25 18:23:42,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-25 18:23:42,548 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:23:42,549 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:23:42,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-25 18:23:42,549 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 18:23:42,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:23:42,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1380885422, now seen corresponding path program 1 times [2021-11-25 18:23:42,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:23:42,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924421103] [2021-11-25 18:23:42,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:23:42,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:23:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:23:43,095 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-25 18:23:43,096 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:23:43,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924421103] [2021-11-25 18:23:43,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924421103] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:23:43,096 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:23:43,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:23:43,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099993204] [2021-11-25 18:23:43,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:23:43,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:23:43,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:23:43,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:23:43,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:23:43,098 INFO L87 Difference]: Start difference. First operand 1719 states and 2492 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2021-11-25 18:23:47,708 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:23:50,285 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:23:52,295 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:23:57,499 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:23:58,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:23:58,289 INFO L93 Difference]: Finished difference Result 1721 states and 2495 transitions. [2021-11-25 18:23:58,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:23:58,290 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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 93 [2021-11-25 18:23:58,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:23:58,302 INFO L225 Difference]: With dead ends: 1721 [2021-11-25 18:23:58,302 INFO L226 Difference]: Without dead ends: 1719 [2021-11-25 18:23:58,303 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:23:58,304 INFO L933 BasicCegarLoop]: 1896 mSDtfsCounter, 2277 mSDsluCounter, 2459 mSDsCounter, 0 mSdLazyCounter, 958 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2287 SdHoareTripleChecker+Valid, 3863 SdHoareTripleChecker+Invalid, 961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 958 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:23:58,304 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2287 Valid, 3863 Invalid, 961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 958 Invalid, 3 Unknown, 0 Unchecked, 15.0s Time] [2021-11-25 18:23:58,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1719 states. [2021-11-25 18:23:58,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1719 to 1717. [2021-11-25 18:23:58,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1717 states, 1084 states have (on average 1.345018450184502) internal successors, (1458), 1140 states have internal predecessors, (1458), 517 states have call successors, (517), 102 states have call predecessors, (517), 101 states have return successors, (515), 494 states have call predecessors, (515), 515 states have call successors, (515) [2021-11-25 18:23:58,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1717 states to 1717 states and 2490 transitions. [2021-11-25 18:23:58,418 INFO L78 Accepts]: Start accepts. Automaton has 1717 states and 2490 transitions. Word has length 93 [2021-11-25 18:23:58,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:23:58,418 INFO L470 AbstractCegarLoop]: Abstraction has 1717 states and 2490 transitions. [2021-11-25 18:23:58,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2021-11-25 18:23:58,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1717 states and 2490 transitions. [2021-11-25 18:23:58,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-25 18:23:58,422 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:23:58,422 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2021-11-25 18:23:58,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-25 18:23:58,423 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 18:23:58,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:23:58,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1089556051, now seen corresponding path program 1 times [2021-11-25 18:23:58,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:23:58,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865211963] [2021-11-25 18:23:58,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:23:58,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:23:58,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:23:59,031 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2021-11-25 18:23:59,031 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:23:59,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865211963] [2021-11-25 18:23:59,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865211963] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:23:59,031 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:23:59,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:23:59,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932238167] [2021-11-25 18:23:59,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:23:59,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:23:59,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:23:59,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:23:59,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:23:59,033 INFO L87 Difference]: Start difference. First operand 1717 states and 2490 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-25 18:24:02,457 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:24:04,524 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:24:08,192 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:24:08,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:24:08,772 INFO L93 Difference]: Finished difference Result 3399 states and 4927 transitions. [2021-11-25 18:24:08,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:24:08,773 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 122 [2021-11-25 18:24:08,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:24:08,784 INFO L225 Difference]: With dead ends: 3399 [2021-11-25 18:24:08,784 INFO L226 Difference]: Without dead ends: 1715 [2021-11-25 18:24:08,793 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:24:08,794 INFO L933 BasicCegarLoop]: 1892 mSDtfsCounter, 2295 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2303 SdHoareTripleChecker+Valid, 1963 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:24:08,794 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2303 Valid, 1963 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 494 Invalid, 2 Unknown, 0 Unchecked, 9.6s Time] [2021-11-25 18:24:08,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2021-11-25 18:24:08,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1713. [2021-11-25 18:24:08,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1713 states, 1081 states have (on average 1.3441258094357076) internal successors, (1453), 1136 states have internal predecessors, (1453), 517 states have call successors, (517), 102 states have call predecessors, (517), 101 states have return successors, (515), 494 states have call predecessors, (515), 515 states have call successors, (515) [2021-11-25 18:24:08,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1713 states and 2485 transitions. [2021-11-25 18:24:08,907 INFO L78 Accepts]: Start accepts. Automaton has 1713 states and 2485 transitions. Word has length 122 [2021-11-25 18:24:08,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:24:08,908 INFO L470 AbstractCegarLoop]: Abstraction has 1713 states and 2485 transitions. [2021-11-25 18:24:08,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-25 18:24:08,909 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 2485 transitions. [2021-11-25 18:24:08,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-25 18:24:08,911 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:24:08,911 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 6, 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] [2021-11-25 18:24:08,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-25 18:24:08,911 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 18:24:08,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:24:08,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1866510331, now seen corresponding path program 1 times [2021-11-25 18:24:08,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:24:08,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042395718] [2021-11-25 18:24:08,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:24:08,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:24:09,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:24:09,541 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2021-11-25 18:24:09,541 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:24:09,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042395718] [2021-11-25 18:24:09,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042395718] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:24:09,541 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:24:09,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:24:09,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778529485] [2021-11-25 18:24:09,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:24:09,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 18:24:09,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:24:09,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 18:24:09,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:24:09,543 INFO L87 Difference]: Start difference. First operand 1713 states and 2485 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-25 18:24:16,021 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:24:19,480 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:24:21,175 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:24:23,189 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:24:26,221 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:24:28,232 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:24:35,672 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:24:37,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:24:37,055 INFO L93 Difference]: Finished difference Result 2859 states and 4129 transitions. [2021-11-25 18:24:37,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 18:24:37,056 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 109 [2021-11-25 18:24:37,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:24:37,083 INFO L225 Difference]: With dead ends: 2859 [2021-11-25 18:24:37,083 INFO L226 Difference]: Without dead ends: 2857 [2021-11-25 18:24:37,085 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-25 18:24:37,086 INFO L933 BasicCegarLoop]: 2239 mSDtfsCounter, 1929 mSDsluCounter, 7378 mSDsCounter, 0 mSdLazyCounter, 1877 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1939 SdHoareTripleChecker+Valid, 8238 SdHoareTripleChecker+Invalid, 1884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1877 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:24:37,086 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1939 Valid, 8238 Invalid, 1884 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1877 Invalid, 5 Unknown, 0 Unchecked, 27.1s Time] [2021-11-25 18:24:37,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2857 states. [2021-11-25 18:24:37,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2857 to 2826. [2021-11-25 18:24:37,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2826 states, 1794 states have (on average 1.3461538461538463) internal successors, (2415), 1887 states have internal predecessors, (2415), 841 states have call successors, (841), 178 states have call predecessors, (841), 177 states have return successors, (853), 795 states have call predecessors, (853), 839 states have call successors, (853) [2021-11-25 18:24:37,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2826 states to 2826 states and 4109 transitions. [2021-11-25 18:24:37,285 INFO L78 Accepts]: Start accepts. Automaton has 2826 states and 4109 transitions. Word has length 109 [2021-11-25 18:24:37,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:24:37,286 INFO L470 AbstractCegarLoop]: Abstraction has 2826 states and 4109 transitions. [2021-11-25 18:24:37,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-25 18:24:37,286 INFO L276 IsEmpty]: Start isEmpty. Operand 2826 states and 4109 transitions. [2021-11-25 18:24:37,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-25 18:24:37,288 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:24:37,289 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:24:37,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-25 18:24:37,289 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 18:24:37,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:24:37,290 INFO L85 PathProgramCache]: Analyzing trace with hash 738453872, now seen corresponding path program 1 times [2021-11-25 18:24:37,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:24:37,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094410467] [2021-11-25 18:24:37,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:24:37,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:24:37,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:24:37,902 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-25 18:24:37,902 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:24:37,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094410467] [2021-11-25 18:24:37,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094410467] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:24:37,903 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:24:37,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:24:37,903 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554471744] [2021-11-25 18:24:37,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:24:37,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:24:37,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:24:37,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:24:37,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:24:37,904 INFO L87 Difference]: Start difference. First operand 2826 states and 4109 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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) [2021-11-25 18:24:42,530 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:24:45,131 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:24:47,141 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:24:52,373 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:24:53,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:24:53,181 INFO L93 Difference]: Finished difference Result 2828 states and 4111 transitions. [2021-11-25 18:24:53,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:24:53,181 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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 98 [2021-11-25 18:24:53,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:24:53,201 INFO L225 Difference]: With dead ends: 2828 [2021-11-25 18:24:53,201 INFO L226 Difference]: Without dead ends: 2826 [2021-11-25 18:24:53,203 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:24:53,203 INFO L933 BasicCegarLoop]: 1889 mSDtfsCounter, 2269 mSDsluCounter, 2452 mSDsCounter, 0 mSdLazyCounter, 958 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2279 SdHoareTripleChecker+Valid, 3849 SdHoareTripleChecker+Invalid, 961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 958 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:24:53,204 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2279 Valid, 3849 Invalid, 961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 958 Invalid, 3 Unknown, 0 Unchecked, 15.1s Time] [2021-11-25 18:24:53,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2826 states. [2021-11-25 18:24:53,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2826 to 2826. [2021-11-25 18:24:53,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2826 states, 1794 states have (on average 1.3450390189520625) internal successors, (2413), 1887 states have internal predecessors, (2413), 841 states have call successors, (841), 178 states have call predecessors, (841), 178 states have return successors, (854), 795 states have call predecessors, (854), 839 states have call successors, (854) [2021-11-25 18:24:53,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2826 states to 2826 states and 4108 transitions. [2021-11-25 18:24:53,406 INFO L78 Accepts]: Start accepts. Automaton has 2826 states and 4108 transitions. Word has length 98 [2021-11-25 18:24:53,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:24:53,407 INFO L470 AbstractCegarLoop]: Abstraction has 2826 states and 4108 transitions. [2021-11-25 18:24:53,407 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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) [2021-11-25 18:24:53,407 INFO L276 IsEmpty]: Start isEmpty. Operand 2826 states and 4108 transitions. [2021-11-25 18:24:53,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-25 18:24:53,410 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:24:53,410 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:24:53,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-25 18:24:53,411 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 18:24:53,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:24:53,411 INFO L85 PathProgramCache]: Analyzing trace with hash 336641505, now seen corresponding path program 1 times [2021-11-25 18:24:53,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:24:53,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024026575] [2021-11-25 18:24:53,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:24:53,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:24:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:24:54,047 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-25 18:24:54,047 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:24:54,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024026575] [2021-11-25 18:24:54,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024026575] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:24:54,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237042695] [2021-11-25 18:24:54,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:24:54,048 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:24:54,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:24:54,054 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:24:54,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:24:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:24:56,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 7930 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 18:24:56,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:24:57,016 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2021-11-25 18:24:57,016 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:24:57,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237042695] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:24:57,016 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 18:24:57,017 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-11-25 18:24:57,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396302322] [2021-11-25 18:24:57,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:24:57,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:24:57,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:24:57,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:24:57,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-25 18:24:57,018 INFO L87 Difference]: Start difference. First operand 2826 states and 4108 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, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 18:25:00,401 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:25:02,488 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:25:06,172 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:25:06,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:25:06,810 INFO L93 Difference]: Finished difference Result 5634 states and 8177 transitions. [2021-11-25 18:25:06,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:25:06,818 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, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 127 [2021-11-25 18:25:06,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:25:06,838 INFO L225 Difference]: With dead ends: 5634 [2021-11-25 18:25:06,839 INFO L226 Difference]: Without dead ends: 2844 [2021-11-25 18:25:06,853 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-25 18:25:06,854 INFO L933 BasicCegarLoop]: 1897 mSDtfsCounter, 2244 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2252 SdHoareTripleChecker+Valid, 2018 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:25:06,855 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2252 Valid, 2018 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 508 Invalid, 2 Unknown, 0 Unchecked, 9.6s Time] [2021-11-25 18:25:06,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2844 states. [2021-11-25 18:25:07,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2844 to 2842. [2021-11-25 18:25:07,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2842 states, 1801 states have (on average 1.34258745141588) internal successors, (2418), 1894 states have internal predecessors, (2418), 845 states have call successors, (845), 184 states have call predecessors, (845), 184 states have return successors, (858), 798 states have call predecessors, (858), 843 states have call successors, (858) [2021-11-25 18:25:07,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2842 states to 2842 states and 4121 transitions. [2021-11-25 18:25:07,032 INFO L78 Accepts]: Start accepts. Automaton has 2842 states and 4121 transitions. Word has length 127 [2021-11-25 18:25:07,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:25:07,033 INFO L470 AbstractCegarLoop]: Abstraction has 2842 states and 4121 transitions. [2021-11-25 18:25:07,033 INFO L471 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, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 18:25:07,033 INFO L276 IsEmpty]: Start isEmpty. Operand 2842 states and 4121 transitions. [2021-11-25 18:25:07,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-25 18:25:07,036 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:25:07,036 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:25:07,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 18:25:07,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-25 18:25:07,250 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 18:25:07,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:25:07,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1425346031, now seen corresponding path program 1 times [2021-11-25 18:25:07,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:25:07,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106087108] [2021-11-25 18:25:07,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:25:07,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:25:07,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:25:07,764 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-25 18:25:07,764 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:25:07,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106087108] [2021-11-25 18:25:07,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106087108] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:25:07,765 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:25:07,765 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:25:07,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810861946] [2021-11-25 18:25:07,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:25:07,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:25:07,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:25:07,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:25:07,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:25:07,766 INFO L87 Difference]: Start difference. First operand 2842 states and 4121 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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) [2021-11-25 18:25:12,759 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:25:15,689 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:25:17,600 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:25:23,008 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:25:23,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:25:23,948 INFO L93 Difference]: Finished difference Result 2842 states and 4121 transitions. [2021-11-25 18:25:23,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:25:23,949 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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 103 [2021-11-25 18:25:23,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:25:23,964 INFO L225 Difference]: With dead ends: 2842 [2021-11-25 18:25:23,964 INFO L226 Difference]: Without dead ends: 2840 [2021-11-25 18:25:23,965 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:25:23,966 INFO L933 BasicCegarLoop]: 1882 mSDtfsCounter, 2261 mSDsluCounter, 2445 mSDsCounter, 0 mSdLazyCounter, 959 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2271 SdHoareTripleChecker+Valid, 3835 SdHoareTripleChecker+Invalid, 961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 959 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:25:23,966 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2271 Valid, 3835 Invalid, 961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 959 Invalid, 2 Unknown, 0 Unchecked, 15.9s Time] [2021-11-25 18:25:23,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2840 states. [2021-11-25 18:25:24,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2840 to 2840. [2021-11-25 18:25:24,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2840 states, 1800 states have (on average 1.3416666666666666) internal successors, (2415), 1892 states have internal predecessors, (2415), 845 states have call successors, (845), 184 states have call predecessors, (845), 184 states have return successors, (858), 798 states have call predecessors, (858), 843 states have call successors, (858) [2021-11-25 18:25:24,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2840 states to 2840 states and 4118 transitions. [2021-11-25 18:25:24,171 INFO L78 Accepts]: Start accepts. Automaton has 2840 states and 4118 transitions. Word has length 103 [2021-11-25 18:25:24,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:25:24,172 INFO L470 AbstractCegarLoop]: Abstraction has 2840 states and 4118 transitions. [2021-11-25 18:25:24,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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) [2021-11-25 18:25:24,173 INFO L276 IsEmpty]: Start isEmpty. Operand 2840 states and 4118 transitions. [2021-11-25 18:25:24,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-25 18:25:24,176 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:25:24,176 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:25:24,176 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-25 18:25:24,176 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 18:25:24,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:25:24,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1584308501, now seen corresponding path program 1 times [2021-11-25 18:25:24,177 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:25:24,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917311600] [2021-11-25 18:25:24,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:25:24,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:25:24,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:25:24,654 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-25 18:25:24,655 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:25:24,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917311600] [2021-11-25 18:25:24,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917311600] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:25:24,655 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:25:24,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:25:24,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611684813] [2021-11-25 18:25:24,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:25:24,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:25:24,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:25:24,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:25:24,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:25:24,657 INFO L87 Difference]: Start difference. First operand 2840 states and 4118 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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) [2021-11-25 18:25:29,185 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:25:32,279 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:25:38,240 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:25:39,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:25:39,104 INFO L93 Difference]: Finished difference Result 2848 states and 4130 transitions. [2021-11-25 18:25:39,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:25:39,105 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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 108 [2021-11-25 18:25:39,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:25:39,119 INFO L225 Difference]: With dead ends: 2848 [2021-11-25 18:25:39,120 INFO L226 Difference]: Without dead ends: 2846 [2021-11-25 18:25:39,122 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:25:39,122 INFO L933 BasicCegarLoop]: 1884 mSDtfsCounter, 2229 mSDsluCounter, 2497 mSDsCounter, 0 mSdLazyCounter, 973 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2242 SdHoareTripleChecker+Valid, 3874 SdHoareTripleChecker+Invalid, 976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 973 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:25:39,123 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2242 Valid, 3874 Invalid, 976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 973 Invalid, 3 Unknown, 0 Unchecked, 14.2s Time] [2021-11-25 18:25:39,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2846 states. [2021-11-25 18:25:39,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2846 to 2838. [2021-11-25 18:25:39,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2838 states, 1799 states have (on average 1.3407448582545858) internal successors, (2412), 1890 states have internal predecessors, (2412), 845 states have call successors, (845), 184 states have call predecessors, (845), 184 states have return successors, (858), 798 states have call predecessors, (858), 843 states have call successors, (858) [2021-11-25 18:25:39,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2838 states to 2838 states and 4115 transitions. [2021-11-25 18:25:39,339 INFO L78 Accepts]: Start accepts. Automaton has 2838 states and 4115 transitions. Word has length 108 [2021-11-25 18:25:39,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:25:39,339 INFO L470 AbstractCegarLoop]: Abstraction has 2838 states and 4115 transitions. [2021-11-25 18:25:39,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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) [2021-11-25 18:25:39,340 INFO L276 IsEmpty]: Start isEmpty. Operand 2838 states and 4115 transitions. [2021-11-25 18:25:39,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-25 18:25:39,342 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:25:39,343 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:25:39,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-25 18:25:39,343 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 18:25:39,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:25:39,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1431088717, now seen corresponding path program 1 times [2021-11-25 18:25:39,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:25:39,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079407571] [2021-11-25 18:25:39,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:25:39,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:25:39,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:25:39,868 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-25 18:25:39,868 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:25:39,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079407571] [2021-11-25 18:25:39,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079407571] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:25:39,869 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:25:39,869 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:25:39,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126611184] [2021-11-25 18:25:39,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:25:39,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:25:39,870 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:25:39,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:25:39,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:25:39,871 INFO L87 Difference]: Start difference. First operand 2838 states and 4115 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2021-11-25 18:25:44,651 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:25:46,817 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:25:48,425 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:25:53,588 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:25:54,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:25:54,451 INFO L93 Difference]: Finished difference Result 2838 states and 4115 transitions. [2021-11-25 18:25:54,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:25:54,452 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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 113 [2021-11-25 18:25:54,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:25:54,463 INFO L225 Difference]: With dead ends: 2838 [2021-11-25 18:25:54,463 INFO L226 Difference]: Without dead ends: 2836 [2021-11-25 18:25:54,465 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:25:54,465 INFO L933 BasicCegarLoop]: 1878 mSDtfsCounter, 2255 mSDsluCounter, 2441 mSDsCounter, 0 mSdLazyCounter, 959 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2265 SdHoareTripleChecker+Valid, 3827 SdHoareTripleChecker+Invalid, 961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 959 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:25:54,465 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2265 Valid, 3827 Invalid, 961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 959 Invalid, 2 Unknown, 0 Unchecked, 14.3s Time] [2021-11-25 18:25:54,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2836 states. [2021-11-25 18:25:54,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2836 to 2836. [2021-11-25 18:25:54,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2836 states, 1798 states have (on average 1.3398220244716352) internal successors, (2409), 1888 states have internal predecessors, (2409), 845 states have call successors, (845), 184 states have call predecessors, (845), 184 states have return successors, (858), 798 states have call predecessors, (858), 843 states have call successors, (858) [2021-11-25 18:25:54,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2836 states to 2836 states and 4112 transitions. [2021-11-25 18:25:54,683 INFO L78 Accepts]: Start accepts. Automaton has 2836 states and 4112 transitions. Word has length 113 [2021-11-25 18:25:54,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:25:54,684 INFO L470 AbstractCegarLoop]: Abstraction has 2836 states and 4112 transitions. [2021-11-25 18:25:54,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2021-11-25 18:25:54,684 INFO L276 IsEmpty]: Start isEmpty. Operand 2836 states and 4112 transitions. [2021-11-25 18:25:54,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-25 18:25:54,687 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:25:54,687 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 7, 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] [2021-11-25 18:25:54,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-25 18:25:54,688 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 18:25:54,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:25:54,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1185321173, now seen corresponding path program 1 times [2021-11-25 18:25:54,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:25:54,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440154172] [2021-11-25 18:25:54,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:25:54,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:25:55,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:25:55,583 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-11-25 18:25:55,584 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:25:55,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440154172] [2021-11-25 18:25:55,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440154172] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:25:55,584 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:25:55,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-25 18:25:55,584 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717930061] [2021-11-25 18:25:55,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:25:55,585 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 18:25:55,585 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:25:55,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 18:25:55,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-25 18:25:55,586 INFO L87 Difference]: Start difference. First operand 2836 states and 4112 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2021-11-25 18:26:02,960 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:06,551 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:08,161 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:10,178 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:11,381 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:20,110 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:21,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:26:21,486 INFO L93 Difference]: Finished difference Result 2863 states and 4144 transitions. [2021-11-25 18:26:21,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 18:26:21,486 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 121 [2021-11-25 18:26:21,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:26:21,511 INFO L225 Difference]: With dead ends: 2863 [2021-11-25 18:26:21,511 INFO L226 Difference]: Without dead ends: 2861 [2021-11-25 18:26:21,514 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-25 18:26:21,514 INFO L933 BasicCegarLoop]: 1886 mSDtfsCounter, 621 mSDsluCounter, 6708 mSDsCounter, 0 mSdLazyCounter, 1826 mSolverCounterSat, 130 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 622 SdHoareTripleChecker+Valid, 7270 SdHoareTripleChecker+Invalid, 1959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 1826 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:26:21,515 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [622 Valid, 7270 Invalid, 1959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 1826 Invalid, 3 Unknown, 0 Unchecked, 25.5s Time] [2021-11-25 18:26:21,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2861 states. [2021-11-25 18:26:21,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2861 to 2861. [2021-11-25 18:26:21,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2861 states, 1814 states have (on average 1.3390297684674752) internal successors, (2429), 1904 states have internal predecessors, (2429), 850 states have call successors, (850), 188 states have call predecessors, (850), 188 states have return successors, (863), 803 states have call predecessors, (863), 848 states have call successors, (863) [2021-11-25 18:26:21,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2861 states to 2861 states and 4142 transitions. [2021-11-25 18:26:21,738 INFO L78 Accepts]: Start accepts. Automaton has 2861 states and 4142 transitions. Word has length 121 [2021-11-25 18:26:21,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:26:21,739 INFO L470 AbstractCegarLoop]: Abstraction has 2861 states and 4142 transitions. [2021-11-25 18:26:21,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2021-11-25 18:26:21,739 INFO L276 IsEmpty]: Start isEmpty. Operand 2861 states and 4142 transitions. [2021-11-25 18:26:21,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-25 18:26:21,743 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:26:21,743 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:26:21,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-25 18:26:21,743 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 18:26:21,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:26:21,744 INFO L85 PathProgramCache]: Analyzing trace with hash -770049845, now seen corresponding path program 1 times [2021-11-25 18:26:21,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:26:21,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808858897] [2021-11-25 18:26:21,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:26:21,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:26:21,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:26:22,316 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-25 18:26:22,316 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:26:22,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808858897] [2021-11-25 18:26:22,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808858897] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:26:22,316 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:26:22,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:26:22,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562067614] [2021-11-25 18:26:22,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:26:22,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:26:22,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:26:22,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:26:22,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:26:22,318 INFO L87 Difference]: Start difference. First operand 2861 states and 4142 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-25 18:26:27,350 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:29,863 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:31,790 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:37,479 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:38,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:26:38,440 INFO L93 Difference]: Finished difference Result 2861 states and 4142 transitions. [2021-11-25 18:26:38,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:26:38,440 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 118 [2021-11-25 18:26:38,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:26:38,455 INFO L225 Difference]: With dead ends: 2861 [2021-11-25 18:26:38,455 INFO L226 Difference]: Without dead ends: 2859 [2021-11-25 18:26:38,457 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:26:38,457 INFO L933 BasicCegarLoop]: 1876 mSDtfsCounter, 2252 mSDsluCounter, 2439 mSDsCounter, 0 mSdLazyCounter, 959 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2262 SdHoareTripleChecker+Valid, 3823 SdHoareTripleChecker+Invalid, 961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 959 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2021-11-25 18:26:38,458 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2262 Valid, 3823 Invalid, 961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 959 Invalid, 2 Unknown, 0 Unchecked, 15.7s Time] [2021-11-25 18:26:38,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2859 states. [2021-11-25 18:26:38,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2859 to 2859. [2021-11-25 18:26:38,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2859 states, 1813 states have (on average 1.3381136238279094) internal successors, (2426), 1902 states have internal predecessors, (2426), 850 states have call successors, (850), 188 states have call predecessors, (850), 188 states have return successors, (863), 803 states have call predecessors, (863), 848 states have call successors, (863) [2021-11-25 18:26:38,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2859 states to 2859 states and 4139 transitions. [2021-11-25 18:26:38,692 INFO L78 Accepts]: Start accepts. Automaton has 2859 states and 4139 transitions. Word has length 118 [2021-11-25 18:26:38,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:26:38,692 INFO L470 AbstractCegarLoop]: Abstraction has 2859 states and 4139 transitions. [2021-11-25 18:26:38,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-25 18:26:38,693 INFO L276 IsEmpty]: Start isEmpty. Operand 2859 states and 4139 transitions. [2021-11-25 18:26:38,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-25 18:26:38,696 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:26:38,696 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:26:38,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-25 18:26:38,697 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 18:26:38,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:26:38,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1447381311, now seen corresponding path program 1 times [2021-11-25 18:26:38,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:26:38,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561948388] [2021-11-25 18:26:38,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:26:38,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:26:38,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:26:39,213 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-25 18:26:39,213 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:26:39,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561948388] [2021-11-25 18:26:39,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561948388] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:26:39,214 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:26:39,214 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:26:39,214 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893720345] [2021-11-25 18:26:39,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:26:39,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:26:39,215 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:26:39,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:26:39,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:26:39,216 INFO L87 Difference]: Start difference. First operand 2859 states and 4139 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-25 18:26:44,128 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:47,329 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:52,672 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:53,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:26:53,541 INFO L93 Difference]: Finished difference Result 2867 states and 4151 transitions. [2021-11-25 18:26:53,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:26:53,542 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 123 [2021-11-25 18:26:53,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:26:53,555 INFO L225 Difference]: With dead ends: 2867 [2021-11-25 18:26:53,555 INFO L226 Difference]: Without dead ends: 2865 [2021-11-25 18:26:53,557 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:26:53,558 INFO L933 BasicCegarLoop]: 1878 mSDtfsCounter, 2220 mSDsluCounter, 2491 mSDsCounter, 0 mSdLazyCounter, 973 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2233 SdHoareTripleChecker+Valid, 3862 SdHoareTripleChecker+Invalid, 976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 973 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:26:53,558 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2233 Valid, 3862 Invalid, 976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 973 Invalid, 3 Unknown, 0 Unchecked, 14.0s Time] [2021-11-25 18:26:53,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2865 states. [2021-11-25 18:26:53,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2865 to 2857. [2021-11-25 18:26:53,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2857 states, 1812 states have (on average 1.3371964679911699) internal successors, (2423), 1900 states have internal predecessors, (2423), 850 states have call successors, (850), 188 states have call predecessors, (850), 188 states have return successors, (863), 803 states have call predecessors, (863), 848 states have call successors, (863) [2021-11-25 18:26:53,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2857 states to 2857 states and 4136 transitions. [2021-11-25 18:26:53,833 INFO L78 Accepts]: Start accepts. Automaton has 2857 states and 4136 transitions. Word has length 123 [2021-11-25 18:26:53,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:26:53,834 INFO L470 AbstractCegarLoop]: Abstraction has 2857 states and 4136 transitions. [2021-11-25 18:26:53,834 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-25 18:26:53,834 INFO L276 IsEmpty]: Start isEmpty. Operand 2857 states and 4136 transitions. [2021-11-25 18:26:53,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-25 18:26:53,838 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:26:53,838 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:26:53,838 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-25 18:26:53,839 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-25 18:26:53,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:26:53,839 INFO L85 PathProgramCache]: Analyzing trace with hash 352540159, now seen corresponding path program 1 times [2021-11-25 18:26:53,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:26:53,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326431148] [2021-11-25 18:26:53,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:26:53,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:26:54,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:26:54,705 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-11-25 18:26:54,705 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:26:54,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326431148] [2021-11-25 18:26:54,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326431148] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:26:54,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [937365866] [2021-11-25 18:26:54,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:26:54,706 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:26:54,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:26:54,711 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:26:54,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b493d530-0745-47d2-88e4-82c6ac6a9d1b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 18:26:57,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:26:57,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 8007 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-25 18:26:57,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:26:58,556 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 33 proven. 1 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2021-11-25 18:26:58,556 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:27:00,251 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2021-11-25 18:27:00,251 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [937365866] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:27:00,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [590883902] [2021-11-25 18:27:00,274 INFO L159 IcfgInterpreter]: Started Sifa with 78 locations of interest [2021-11-25 18:27:00,274 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:27:00,279 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:27:00,284 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:27:00,284 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:27:32,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 595 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 176 [2021-11-25 18:27:35,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 595 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 176 [2021-11-25 18:27:37,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 595 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 176 [2021-11-25 18:27:38,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 595 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 176 [2021-11-25 18:27:40,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 595 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 176 [2021-11-25 18:27:41,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 595 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 176 [2021-11-25 18:27:43,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 595 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 176 [2021-11-25 18:27:43,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 595 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 176 [2021-11-25 18:27:44,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 595 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 176 [2021-11-25 18:27:48,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 595 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 176 [2021-11-25 18:27:50,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 595 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 176 [2021-11-25 18:27:52,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 595 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 176 [2021-11-25 18:27:54,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 595 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 176 [2021-11-25 18:29:57,660 WARN L227 SmtUtils]: Spent 9.30s on a formula simplification that was a NOOP. DAG size: 9215 (called from [L 211] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2021-11-25 18:30:07,004 WARN L227 SmtUtils]: Spent 9.31s on a formula simplification that was a NOOP. DAG size: 9215 (called from [L 211] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2021-11-25 18:30:18,769 WARN L227 SmtUtils]: Spent 11.50s on a formula simplification. DAG size of input: 9580 DAG size of output: 9222 (called from [L 211] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2021-11-25 18:30:28,361 WARN L227 SmtUtils]: Spent 9.47s on a formula simplification that was a NOOP. DAG size: 9215 (called from [L 211] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2021-11-25 18:30:37,853 WARN L227 SmtUtils]: Spent 9.47s on a formula simplification that was a NOOP. DAG size: 9215 (called from [L 211] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2021-11-25 18:30:49,445 WARN L227 SmtUtils]: Spent 11.50s on a formula simplification. DAG size of input: 9580 DAG size of output: 9222 (called from [L 211] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2021-11-25 18:33:23,622 WARN L227 SmtUtils]: Spent 9.72s on a formula simplification that was a NOOP. DAG size: 9330 (called from [L 211] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2021-11-25 18:33:33,355 WARN L227 SmtUtils]: Spent 9.71s on a formula simplification that was a NOOP. DAG size: 9330 (called from [L 211] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2021-11-25 18:33:45,902 WARN L227 SmtUtils]: Spent 12.26s on a formula simplification. DAG size of input: 9763 DAG size of output: 9390 (called from [L 211] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2021-11-25 18:33:55,693 WARN L227 SmtUtils]: Spent 9.73s on a formula simplification that was a NOOP. DAG size: 9330 (called from [L 211] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2021-11-25 18:34:05,427 WARN L227 SmtUtils]: Spent 9.72s on a formula simplification that was a NOOP. DAG size: 9330 (called from [L 211] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm)